diff options
| author | Rémi Verschelde <rverschelde@gmail.com> | 2019-01-07 15:08:41 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2019-01-07 15:08:41 +0100 |
| commit | dab650fcaa3eb37deee5118d678a3763ac78a58a (patch) | |
| tree | 3131df01280f91a61b4721eed132a5b6b21881ba /thirdparty/bullet/Bullet3OpenCL/NarrowphaseCollision/kernels | |
| parent | a3a537c2cf86ff4bf82385bbd17606654f8013c4 (diff) | |
| parent | 22b7c9dfa80d0f7abca40f061865c2ab3c136a74 (diff) | |
Merge pull request #24740 from OBKF/update-bullet-physics
Update Bullet physics to commit 126b676
Diffstat (limited to 'thirdparty/bullet/Bullet3OpenCL/NarrowphaseCollision/kernels')
6 files changed, 8641 insertions, 8647 deletions
diff --git a/thirdparty/bullet/Bullet3OpenCL/NarrowphaseCollision/kernels/bvhTraversal.h b/thirdparty/bullet/Bullet3OpenCL/NarrowphaseCollision/kernels/bvhTraversal.h index 4b3b49eae8..f1df8a6970 100644 --- a/thirdparty/bullet/Bullet3OpenCL/NarrowphaseCollision/kernels/bvhTraversal.h +++ b/thirdparty/bullet/Bullet3OpenCL/NarrowphaseCollision/kernels/bvhTraversal.h @@ -1,258 +1,257 @@ //this file is autogenerated using stringify.bat (premake --stringify) in the build folder of this project -static const char* bvhTraversalKernelCL= \ -"//keep this enum in sync with the CPU version (in btCollidable.h)\n" -"//written by Erwin Coumans\n" -"#define SHAPE_CONVEX_HULL 3\n" -"#define SHAPE_CONCAVE_TRIMESH 5\n" -"#define TRIANGLE_NUM_CONVEX_FACES 5\n" -"#define SHAPE_COMPOUND_OF_CONVEX_HULLS 6\n" -"#define SHAPE_SPHERE 7\n" -"typedef unsigned int u32;\n" -"#define MAX_NUM_PARTS_IN_BITS 10\n" -"///btQuantizedBvhNode is a compressed aabb node, 16 bytes.\n" -"///Node can be used for leafnode or internal node. Leafnodes can point to 32-bit triangle index (non-negative range).\n" -"typedef struct\n" -"{\n" -" //12 bytes\n" -" unsigned short int m_quantizedAabbMin[3];\n" -" unsigned short int m_quantizedAabbMax[3];\n" -" //4 bytes\n" -" int m_escapeIndexOrTriangleIndex;\n" -"} btQuantizedBvhNode;\n" -"typedef struct\n" -"{\n" -" float4 m_aabbMin;\n" -" float4 m_aabbMax;\n" -" float4 m_quantization;\n" -" int m_numNodes;\n" -" int m_numSubTrees;\n" -" int m_nodeOffset;\n" -" int m_subTreeOffset;\n" -"} b3BvhInfo;\n" -"int getTriangleIndex(const btQuantizedBvhNode* rootNode)\n" -"{\n" -" unsigned int x=0;\n" -" unsigned int y = (~(x&0))<<(31-MAX_NUM_PARTS_IN_BITS);\n" -" // Get only the lower bits where the triangle index is stored\n" -" return (rootNode->m_escapeIndexOrTriangleIndex&~(y));\n" -"}\n" -"int isLeaf(const btQuantizedBvhNode* rootNode)\n" -"{\n" -" //skipindex is negative (internal node), triangleindex >=0 (leafnode)\n" -" return (rootNode->m_escapeIndexOrTriangleIndex >= 0)? 1 : 0;\n" -"}\n" -" \n" -"int getEscapeIndex(const btQuantizedBvhNode* rootNode)\n" -"{\n" -" return -rootNode->m_escapeIndexOrTriangleIndex;\n" -"}\n" -"typedef struct\n" -"{\n" -" //12 bytes\n" -" unsigned short int m_quantizedAabbMin[3];\n" -" unsigned short int m_quantizedAabbMax[3];\n" -" //4 bytes, points to the root of the subtree\n" -" int m_rootNodeIndex;\n" -" //4 bytes\n" -" int m_subtreeSize;\n" -" int m_padding[3];\n" -"} btBvhSubtreeInfo;\n" -"///keep this in sync with btCollidable.h\n" -"typedef struct\n" -"{\n" -" int m_numChildShapes;\n" -" int blaat2;\n" -" int m_shapeType;\n" -" int m_shapeIndex;\n" -" \n" -"} btCollidableGpu;\n" -"typedef struct\n" -"{\n" -" float4 m_childPosition;\n" -" float4 m_childOrientation;\n" -" int m_shapeIndex;\n" -" int m_unused0;\n" -" int m_unused1;\n" -" int m_unused2;\n" -"} btGpuChildShape;\n" -"typedef struct\n" -"{\n" -" float4 m_pos;\n" -" float4 m_quat;\n" -" float4 m_linVel;\n" -" float4 m_angVel;\n" -" u32 m_collidableIdx;\n" -" float m_invMass;\n" -" float m_restituitionCoeff;\n" -" float m_frictionCoeff;\n" -"} BodyData;\n" -"typedef struct \n" -"{\n" -" union\n" -" {\n" -" float4 m_min;\n" -" float m_minElems[4];\n" -" int m_minIndices[4];\n" -" };\n" -" union\n" -" {\n" -" float4 m_max;\n" -" float m_maxElems[4];\n" -" int m_maxIndices[4];\n" -" };\n" -"} btAabbCL;\n" -"int testQuantizedAabbAgainstQuantizedAabb(\n" -" const unsigned short int* aabbMin1,\n" -" const unsigned short int* aabbMax1,\n" -" const unsigned short int* aabbMin2,\n" -" const unsigned short int* aabbMax2)\n" -"{\n" -" //int overlap = 1;\n" -" if (aabbMin1[0] > aabbMax2[0])\n" -" return 0;\n" -" if (aabbMax1[0] < aabbMin2[0])\n" -" return 0;\n" -" if (aabbMin1[1] > aabbMax2[1])\n" -" return 0;\n" -" if (aabbMax1[1] < aabbMin2[1])\n" -" return 0;\n" -" if (aabbMin1[2] > aabbMax2[2])\n" -" return 0;\n" -" if (aabbMax1[2] < aabbMin2[2])\n" -" return 0;\n" -" return 1;\n" -" //overlap = ((aabbMin1[0] > aabbMax2[0]) || (aabbMax1[0] < aabbMin2[0])) ? 0 : overlap;\n" -" //overlap = ((aabbMin1[2] > aabbMax2[2]) || (aabbMax1[2] < aabbMin2[2])) ? 0 : overlap;\n" -" //overlap = ((aabbMin1[1] > aabbMax2[1]) || (aabbMax1[1] < aabbMin2[1])) ? 0 : overlap;\n" -" //return overlap;\n" -"}\n" -"void quantizeWithClamp(unsigned short* out, float4 point2,int isMax, float4 bvhAabbMin, float4 bvhAabbMax, float4 bvhQuantization)\n" -"{\n" -" float4 clampedPoint = max(point2,bvhAabbMin);\n" -" clampedPoint = min (clampedPoint, bvhAabbMax);\n" -" float4 v = (clampedPoint - bvhAabbMin) * bvhQuantization;\n" -" if (isMax)\n" -" {\n" -" out[0] = (unsigned short) (((unsigned short)(v.x+1.f) | 1));\n" -" out[1] = (unsigned short) (((unsigned short)(v.y+1.f) | 1));\n" -" out[2] = (unsigned short) (((unsigned short)(v.z+1.f) | 1));\n" -" } else\n" -" {\n" -" out[0] = (unsigned short) (((unsigned short)(v.x) & 0xfffe));\n" -" out[1] = (unsigned short) (((unsigned short)(v.y) & 0xfffe));\n" -" out[2] = (unsigned short) (((unsigned short)(v.z) & 0xfffe));\n" -" }\n" -"}\n" -"// work-in-progress\n" -"__kernel void bvhTraversalKernel( __global const int4* pairs, \n" -" __global const BodyData* rigidBodies, \n" -" __global const btCollidableGpu* collidables,\n" -" __global btAabbCL* aabbs,\n" -" __global int4* concavePairsOut,\n" -" __global volatile int* numConcavePairsOut,\n" -" __global const btBvhSubtreeInfo* subtreeHeadersRoot,\n" -" __global const btQuantizedBvhNode* quantizedNodesRoot,\n" -" __global const b3BvhInfo* bvhInfos,\n" -" int numPairs,\n" -" int maxNumConcavePairsCapacity)\n" -"{\n" -" int id = get_global_id(0);\n" -" if (id>=numPairs)\n" -" return;\n" -" \n" -" int bodyIndexA = pairs[id].x;\n" -" int bodyIndexB = pairs[id].y;\n" -" int collidableIndexA = rigidBodies[bodyIndexA].m_collidableIdx;\n" -" int collidableIndexB = rigidBodies[bodyIndexB].m_collidableIdx;\n" -" \n" -" //once the broadphase avoids static-static pairs, we can remove this test\n" -" if ((rigidBodies[bodyIndexA].m_invMass==0) &&(rigidBodies[bodyIndexB].m_invMass==0))\n" -" {\n" -" return;\n" -" }\n" -" \n" -" if (collidables[collidableIndexA].m_shapeType!=SHAPE_CONCAVE_TRIMESH)\n" -" return;\n" -" int shapeTypeB = collidables[collidableIndexB].m_shapeType;\n" -" \n" -" if (shapeTypeB!=SHAPE_CONVEX_HULL &&\n" -" shapeTypeB!=SHAPE_SPHERE &&\n" -" shapeTypeB!=SHAPE_COMPOUND_OF_CONVEX_HULLS\n" -" )\n" -" return;\n" -" b3BvhInfo bvhInfo = bvhInfos[collidables[collidableIndexA].m_numChildShapes];\n" -" float4 bvhAabbMin = bvhInfo.m_aabbMin;\n" -" float4 bvhAabbMax = bvhInfo.m_aabbMax;\n" -" float4 bvhQuantization = bvhInfo.m_quantization;\n" -" int numSubtreeHeaders = bvhInfo.m_numSubTrees;\n" -" __global const btBvhSubtreeInfo* subtreeHeaders = &subtreeHeadersRoot[bvhInfo.m_subTreeOffset];\n" -" __global const btQuantizedBvhNode* quantizedNodes = &quantizedNodesRoot[bvhInfo.m_nodeOffset];\n" -" \n" -" unsigned short int quantizedQueryAabbMin[3];\n" -" unsigned short int quantizedQueryAabbMax[3];\n" -" quantizeWithClamp(quantizedQueryAabbMin,aabbs[bodyIndexB].m_min,false,bvhAabbMin, bvhAabbMax,bvhQuantization);\n" -" quantizeWithClamp(quantizedQueryAabbMax,aabbs[bodyIndexB].m_max,true ,bvhAabbMin, bvhAabbMax,bvhQuantization);\n" -" \n" -" for (int i=0;i<numSubtreeHeaders;i++)\n" -" {\n" -" btBvhSubtreeInfo subtree = subtreeHeaders[i];\n" -" \n" -" int overlap = testQuantizedAabbAgainstQuantizedAabb(quantizedQueryAabbMin,quantizedQueryAabbMax,subtree.m_quantizedAabbMin,subtree.m_quantizedAabbMax);\n" -" if (overlap != 0)\n" -" {\n" -" int startNodeIndex = subtree.m_rootNodeIndex;\n" -" int endNodeIndex = subtree.m_rootNodeIndex+subtree.m_subtreeSize;\n" -" int curIndex = startNodeIndex;\n" -" int escapeIndex;\n" -" int isLeafNode;\n" -" int aabbOverlap;\n" -" while (curIndex < endNodeIndex)\n" -" {\n" -" btQuantizedBvhNode rootNode = quantizedNodes[curIndex];\n" -" aabbOverlap = testQuantizedAabbAgainstQuantizedAabb(quantizedQueryAabbMin,quantizedQueryAabbMax,rootNode.m_quantizedAabbMin,rootNode.m_quantizedAabbMax);\n" -" isLeafNode = isLeaf(&rootNode);\n" -" if (aabbOverlap)\n" -" {\n" -" if (isLeafNode)\n" -" {\n" -" int triangleIndex = getTriangleIndex(&rootNode);\n" -" if (shapeTypeB==SHAPE_COMPOUND_OF_CONVEX_HULLS)\n" -" {\n" -" int numChildrenB = collidables[collidableIndexB].m_numChildShapes;\n" -" int pairIdx = atomic_add(numConcavePairsOut,numChildrenB);\n" -" for (int b=0;b<numChildrenB;b++)\n" -" {\n" -" if ((pairIdx+b)<maxNumConcavePairsCapacity)\n" -" {\n" -" int childShapeIndexB = collidables[collidableIndexB].m_shapeIndex+b;\n" -" int4 newPair = (int4)(bodyIndexA,bodyIndexB,triangleIndex,childShapeIndexB);\n" -" concavePairsOut[pairIdx+b] = newPair;\n" -" }\n" -" }\n" -" } else\n" -" {\n" -" int pairIdx = atomic_inc(numConcavePairsOut);\n" -" if (pairIdx<maxNumConcavePairsCapacity)\n" -" {\n" -" int4 newPair = (int4)(bodyIndexA,bodyIndexB,triangleIndex,0);\n" -" concavePairsOut[pairIdx] = newPair;\n" -" }\n" -" }\n" -" } \n" -" curIndex++;\n" -" } else\n" -" {\n" -" if (isLeafNode)\n" -" {\n" -" curIndex++;\n" -" } else\n" -" {\n" -" escapeIndex = getEscapeIndex(&rootNode);\n" -" curIndex += escapeIndex;\n" -" }\n" -" }\n" -" }\n" -" }\n" -" }\n" -"}\n" -; +static const char* bvhTraversalKernelCL = + "//keep this enum in sync with the CPU version (in btCollidable.h)\n" + "//written by Erwin Coumans\n" + "#define SHAPE_CONVEX_HULL 3\n" + "#define SHAPE_CONCAVE_TRIMESH 5\n" + "#define TRIANGLE_NUM_CONVEX_FACES 5\n" + "#define SHAPE_COMPOUND_OF_CONVEX_HULLS 6\n" + "#define SHAPE_SPHERE 7\n" + "typedef unsigned int u32;\n" + "#define MAX_NUM_PARTS_IN_BITS 10\n" + "///btQuantizedBvhNode is a compressed aabb node, 16 bytes.\n" + "///Node can be used for leafnode or internal node. Leafnodes can point to 32-bit triangle index (non-negative range).\n" + "typedef struct\n" + "{\n" + " //12 bytes\n" + " unsigned short int m_quantizedAabbMin[3];\n" + " unsigned short int m_quantizedAabbMax[3];\n" + " //4 bytes\n" + " int m_escapeIndexOrTriangleIndex;\n" + "} btQuantizedBvhNode;\n" + "typedef struct\n" + "{\n" + " float4 m_aabbMin;\n" + " float4 m_aabbMax;\n" + " float4 m_quantization;\n" + " int m_numNodes;\n" + " int m_numSubTrees;\n" + " int m_nodeOffset;\n" + " int m_subTreeOffset;\n" + "} b3BvhInfo;\n" + "int getTriangleIndex(const btQuantizedBvhNode* rootNode)\n" + "{\n" + " unsigned int x=0;\n" + " unsigned int y = (~(x&0))<<(31-MAX_NUM_PARTS_IN_BITS);\n" + " // Get only the lower bits where the triangle index is stored\n" + " return (rootNode->m_escapeIndexOrTriangleIndex&~(y));\n" + "}\n" + "int isLeaf(const btQuantizedBvhNode* rootNode)\n" + "{\n" + " //skipindex is negative (internal node), triangleindex >=0 (leafnode)\n" + " return (rootNode->m_escapeIndexOrTriangleIndex >= 0)? 1 : 0;\n" + "}\n" + " \n" + "int getEscapeIndex(const btQuantizedBvhNode* rootNode)\n" + "{\n" + " return -rootNode->m_escapeIndexOrTriangleIndex;\n" + "}\n" + "typedef struct\n" + "{\n" + " //12 bytes\n" + " unsigned short int m_quantizedAabbMin[3];\n" + " unsigned short int m_quantizedAabbMax[3];\n" + " //4 bytes, points to the root of the subtree\n" + " int m_rootNodeIndex;\n" + " //4 bytes\n" + " int m_subtreeSize;\n" + " int m_padding[3];\n" + "} btBvhSubtreeInfo;\n" + "///keep this in sync with btCollidable.h\n" + "typedef struct\n" + "{\n" + " int m_numChildShapes;\n" + " int blaat2;\n" + " int m_shapeType;\n" + " int m_shapeIndex;\n" + " \n" + "} btCollidableGpu;\n" + "typedef struct\n" + "{\n" + " float4 m_childPosition;\n" + " float4 m_childOrientation;\n" + " int m_shapeIndex;\n" + " int m_unused0;\n" + " int m_unused1;\n" + " int m_unused2;\n" + "} btGpuChildShape;\n" + "typedef struct\n" + "{\n" + " float4 m_pos;\n" + " float4 m_quat;\n" + " float4 m_linVel;\n" + " float4 m_angVel;\n" + " u32 m_collidableIdx;\n" + " float m_invMass;\n" + " float m_restituitionCoeff;\n" + " float m_frictionCoeff;\n" + "} BodyData;\n" + "typedef struct \n" + "{\n" + " union\n" + " {\n" + " float4 m_min;\n" + " float m_minElems[4];\n" + " int m_minIndices[4];\n" + " };\n" + " union\n" + " {\n" + " float4 m_max;\n" + " float m_maxElems[4];\n" + " int m_maxIndices[4];\n" + " };\n" + "} btAabbCL;\n" + "int testQuantizedAabbAgainstQuantizedAabb(\n" + " const unsigned short int* aabbMin1,\n" + " const unsigned short int* aabbMax1,\n" + " const unsigned short int* aabbMin2,\n" + " const unsigned short int* aabbMax2)\n" + "{\n" + " //int overlap = 1;\n" + " if (aabbMin1[0] > aabbMax2[0])\n" + " return 0;\n" + " if (aabbMax1[0] < aabbMin2[0])\n" + " return 0;\n" + " if (aabbMin1[1] > aabbMax2[1])\n" + " return 0;\n" + " if (aabbMax1[1] < aabbMin2[1])\n" + " return 0;\n" + " if (aabbMin1[2] > aabbMax2[2])\n" + " return 0;\n" + " if (aabbMax1[2] < aabbMin2[2])\n" + " return 0;\n" + " return 1;\n" + " //overlap = ((aabbMin1[0] > aabbMax2[0]) || (aabbMax1[0] < aabbMin2[0])) ? 0 : overlap;\n" + " //overlap = ((aabbMin1[2] > aabbMax2[2]) || (aabbMax1[2] < aabbMin2[2])) ? 0 : overlap;\n" + " //overlap = ((aabbMin1[1] > aabbMax2[1]) || (aabbMax1[1] < aabbMin2[1])) ? 0 : overlap;\n" + " //return overlap;\n" + "}\n" + "void quantizeWithClamp(unsigned short* out, float4 point2,int isMax, float4 bvhAabbMin, float4 bvhAabbMax, float4 bvhQuantization)\n" + "{\n" + " float4 clampedPoint = max(point2,bvhAabbMin);\n" + " clampedPoint = min (clampedPoint, bvhAabbMax);\n" + " float4 v = (clampedPoint - bvhAabbMin) * bvhQuantization;\n" + " if (isMax)\n" + " {\n" + " out[0] = (unsigned short) (((unsigned short)(v.x+1.f) | 1));\n" + " out[1] = (unsigned short) (((unsigned short)(v.y+1.f) | 1));\n" + " out[2] = (unsigned short) (((unsigned short)(v.z+1.f) | 1));\n" + " } else\n" + " {\n" + " out[0] = (unsigned short) (((unsigned short)(v.x) & 0xfffe));\n" + " out[1] = (unsigned short) (((unsigned short)(v.y) & 0xfffe));\n" + " out[2] = (unsigned short) (((unsigned short)(v.z) & 0xfffe));\n" + " }\n" + "}\n" + "// work-in-progress\n" + "__kernel void bvhTraversalKernel( __global const int4* pairs, \n" + " __global const BodyData* rigidBodies, \n" + " __global const btCollidableGpu* collidables,\n" + " __global btAabbCL* aabbs,\n" + " __global int4* concavePairsOut,\n" + " __global volatile int* numConcavePairsOut,\n" + " __global const btBvhSubtreeInfo* subtreeHeadersRoot,\n" + " __global const btQuantizedBvhNode* quantizedNodesRoot,\n" + " __global const b3BvhInfo* bvhInfos,\n" + " int numPairs,\n" + " int maxNumConcavePairsCapacity)\n" + "{\n" + " int id = get_global_id(0);\n" + " if (id>=numPairs)\n" + " return;\n" + " \n" + " int bodyIndexA = pairs[id].x;\n" + " int bodyIndexB = pairs[id].y;\n" + " int collidableIndexA = rigidBodies[bodyIndexA].m_collidableIdx;\n" + " int collidableIndexB = rigidBodies[bodyIndexB].m_collidableIdx;\n" + " \n" + " //once the broadphase avoids static-static pairs, we can remove this test\n" + " if ((rigidBodies[bodyIndexA].m_invMass==0) &&(rigidBodies[bodyIndexB].m_invMass==0))\n" + " {\n" + " return;\n" + " }\n" + " \n" + " if (collidables[collidableIndexA].m_shapeType!=SHAPE_CONCAVE_TRIMESH)\n" + " return;\n" + " int shapeTypeB = collidables[collidableIndexB].m_shapeType;\n" + " \n" + " if (shapeTypeB!=SHAPE_CONVEX_HULL &&\n" + " shapeTypeB!=SHAPE_SPHERE &&\n" + " shapeTypeB!=SHAPE_COMPOUND_OF_CONVEX_HULLS\n" + " )\n" + " return;\n" + " b3BvhInfo bvhInfo = bvhInfos[collidables[collidableIndexA].m_numChildShapes];\n" + " float4 bvhAabbMin = bvhInfo.m_aabbMin;\n" + " float4 bvhAabbMax = bvhInfo.m_aabbMax;\n" + " float4 bvhQuantization = bvhInfo.m_quantization;\n" + " int numSubtreeHeaders = bvhInfo.m_numSubTrees;\n" + " __global const btBvhSubtreeInfo* subtreeHeaders = &subtreeHeadersRoot[bvhInfo.m_subTreeOffset];\n" + " __global const btQuantizedBvhNode* quantizedNodes = &quantizedNodesRoot[bvhInfo.m_nodeOffset];\n" + " \n" + " unsigned short int quantizedQueryAabbMin[3];\n" + " unsigned short int quantizedQueryAabbMax[3];\n" + " quantizeWithClamp(quantizedQueryAabbMin,aabbs[bodyIndexB].m_min,false,bvhAabbMin, bvhAabbMax,bvhQuantization);\n" + " quantizeWithClamp(quantizedQueryAabbMax,aabbs[bodyIndexB].m_max,true ,bvhAabbMin, bvhAabbMax,bvhQuantization);\n" + " \n" + " for (int i=0;i<numSubtreeHeaders;i++)\n" + " {\n" + " btBvhSubtreeInfo subtree = subtreeHeaders[i];\n" + " \n" + " int overlap = testQuantizedAabbAgainstQuantizedAabb(quantizedQueryAabbMin,quantizedQueryAabbMax,subtree.m_quantizedAabbMin,subtree.m_quantizedAabbMax);\n" + " if (overlap != 0)\n" + " {\n" + " int startNodeIndex = subtree.m_rootNodeIndex;\n" + " int endNodeIndex = subtree.m_rootNodeIndex+subtree.m_subtreeSize;\n" + " int curIndex = startNodeIndex;\n" + " int escapeIndex;\n" + " int isLeafNode;\n" + " int aabbOverlap;\n" + " while (curIndex < endNodeIndex)\n" + " {\n" + " btQuantizedBvhNode rootNode = quantizedNodes[curIndex];\n" + " aabbOverlap = testQuantizedAabbAgainstQuantizedAabb(quantizedQueryAabbMin,quantizedQueryAabbMax,rootNode.m_quantizedAabbMin,rootNode.m_quantizedAabbMax);\n" + " isLeafNode = isLeaf(&rootNode);\n" + " if (aabbOverlap)\n" + " {\n" + " if (isLeafNode)\n" + " {\n" + " int triangleIndex = getTriangleIndex(&rootNode);\n" + " if (shapeTypeB==SHAPE_COMPOUND_OF_CONVEX_HULLS)\n" + " {\n" + " int numChildrenB = collidables[collidableIndexB].m_numChildShapes;\n" + " int pairIdx = atomic_add(numConcavePairsOut,numChildrenB);\n" + " for (int b=0;b<numChildrenB;b++)\n" + " {\n" + " if ((pairIdx+b)<maxNumConcavePairsCapacity)\n" + " {\n" + " int childShapeIndexB = collidables[collidableIndexB].m_shapeIndex+b;\n" + " int4 newPair = (int4)(bodyIndexA,bodyIndexB,triangleIndex,childShapeIndexB);\n" + " concavePairsOut[pairIdx+b] = newPair;\n" + " }\n" + " }\n" + " } else\n" + " {\n" + " int pairIdx = atomic_inc(numConcavePairsOut);\n" + " if (pairIdx<maxNumConcavePairsCapacity)\n" + " {\n" + " int4 newPair = (int4)(bodyIndexA,bodyIndexB,triangleIndex,0);\n" + " concavePairsOut[pairIdx] = newPair;\n" + " }\n" + " }\n" + " } \n" + " curIndex++;\n" + " } else\n" + " {\n" + " if (isLeafNode)\n" + " {\n" + " curIndex++;\n" + " } else\n" + " {\n" + " escapeIndex = getEscapeIndex(&rootNode);\n" + " curIndex += escapeIndex;\n" + " }\n" + " }\n" + " }\n" + " }\n" + " }\n" + "}\n"; diff --git a/thirdparty/bullet/Bullet3OpenCL/NarrowphaseCollision/kernels/mprKernels.h b/thirdparty/bullet/Bullet3OpenCL/NarrowphaseCollision/kernels/mprKernels.h index 7ed4b382c3..74959a931c 100644 --- a/thirdparty/bullet/Bullet3OpenCL/NarrowphaseCollision/kernels/mprKernels.h +++ b/thirdparty/bullet/Bullet3OpenCL/NarrowphaseCollision/kernels/mprKernels.h @@ -1,1446 +1,1445 @@ //this file is autogenerated using stringify.bat (premake --stringify) in the build folder of this project -static const char* mprKernelsCL= \ -"/***\n" -" * ---------------------------------\n" -" * Copyright (c)2012 Daniel Fiser <danfis@danfis.cz>\n" -" *\n" -" * This file was ported from mpr.c file, part of libccd.\n" -" * The Minkoski Portal Refinement implementation was ported \n" -" * to OpenCL by Erwin Coumans for the Bullet 3 Physics library.\n" -" * at http://github.com/erwincoumans/bullet3\n" -" *\n" -" * Distributed under the OSI-approved BSD License (the \"License\");\n" -" * see <http://www.opensource.org/licenses/bsd-license.php>.\n" -" * This software is distributed WITHOUT ANY WARRANTY; without even the\n" -" * implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n" -" * See the License for more information.\n" -" */\n" -"#ifndef B3_MPR_PENETRATION_H\n" -"#define B3_MPR_PENETRATION_H\n" -"#ifndef B3_PLATFORM_DEFINITIONS_H\n" -"#define B3_PLATFORM_DEFINITIONS_H\n" -"struct MyTest\n" -"{\n" -" int bla;\n" -"};\n" -"#ifdef __cplusplus\n" -"#else\n" -"//keep B3_LARGE_FLOAT*B3_LARGE_FLOAT < FLT_MAX\n" -"#define B3_LARGE_FLOAT 1e18f\n" -"#define B3_INFINITY 1e18f\n" -"#define b3Assert(a)\n" -"#define b3ConstArray(a) __global const a*\n" -"#define b3AtomicInc atomic_inc\n" -"#define b3AtomicAdd atomic_add\n" -"#define b3Fabs fabs\n" -"#define b3Sqrt native_sqrt\n" -"#define b3Sin native_sin\n" -"#define b3Cos native_cos\n" -"#define B3_STATIC\n" -"#endif\n" -"#endif\n" -"#ifndef B3_FLOAT4_H\n" -"#define B3_FLOAT4_H\n" -"#ifndef B3_PLATFORM_DEFINITIONS_H\n" -"#ifdef __cplusplus\n" -"#else\n" -"#endif\n" -"#endif\n" -"#ifdef __cplusplus\n" -"#else\n" -" typedef float4 b3Float4;\n" -" #define b3Float4ConstArg const b3Float4\n" -" #define b3MakeFloat4 (float4)\n" -" float b3Dot3F4(b3Float4ConstArg v0,b3Float4ConstArg v1)\n" -" {\n" -" float4 a1 = b3MakeFloat4(v0.xyz,0.f);\n" -" float4 b1 = b3MakeFloat4(v1.xyz,0.f);\n" -" return dot(a1, b1);\n" -" }\n" -" b3Float4 b3Cross3(b3Float4ConstArg v0,b3Float4ConstArg v1)\n" -" {\n" -" float4 a1 = b3MakeFloat4(v0.xyz,0.f);\n" -" float4 b1 = b3MakeFloat4(v1.xyz,0.f);\n" -" return cross(a1, b1);\n" -" }\n" -" #define b3MinFloat4 min\n" -" #define b3MaxFloat4 max\n" -" #define b3Normalized(a) normalize(a)\n" -"#endif \n" -" \n" -"inline bool b3IsAlmostZero(b3Float4ConstArg v)\n" -"{\n" -" if(b3Fabs(v.x)>1e-6 || b3Fabs(v.y)>1e-6 || b3Fabs(v.z)>1e-6) \n" -" return false;\n" -" return true;\n" -"}\n" -"inline int b3MaxDot( b3Float4ConstArg vec, __global const b3Float4* vecArray, int vecLen, float* dotOut )\n" -"{\n" -" float maxDot = -B3_INFINITY;\n" -" int i = 0;\n" -" int ptIndex = -1;\n" -" for( i = 0; i < vecLen; i++ )\n" -" {\n" -" float dot = b3Dot3F4(vecArray[i],vec);\n" -" \n" -" if( dot > maxDot )\n" -" {\n" -" maxDot = dot;\n" -" ptIndex = i;\n" -" }\n" -" }\n" -" b3Assert(ptIndex>=0);\n" -" if (ptIndex<0)\n" -" {\n" -" ptIndex = 0;\n" -" }\n" -" *dotOut = maxDot;\n" -" return ptIndex;\n" -"}\n" -"#endif //B3_FLOAT4_H\n" -"#ifndef B3_RIGIDBODY_DATA_H\n" -"#define B3_RIGIDBODY_DATA_H\n" -"#ifndef B3_FLOAT4_H\n" -"#ifdef __cplusplus\n" -"#else\n" -"#endif \n" -"#endif //B3_FLOAT4_H\n" -"#ifndef B3_QUAT_H\n" -"#define B3_QUAT_H\n" -"#ifndef B3_PLATFORM_DEFINITIONS_H\n" -"#ifdef __cplusplus\n" -"#else\n" -"#endif\n" -"#endif\n" -"#ifndef B3_FLOAT4_H\n" -"#ifdef __cplusplus\n" -"#else\n" -"#endif \n" -"#endif //B3_FLOAT4_H\n" -"#ifdef __cplusplus\n" -"#else\n" -" typedef float4 b3Quat;\n" -" #define b3QuatConstArg const b3Quat\n" -" \n" -" \n" -"inline float4 b3FastNormalize4(float4 v)\n" -"{\n" -" v = (float4)(v.xyz,0.f);\n" -" return fast_normalize(v);\n" -"}\n" -" \n" -"inline b3Quat b3QuatMul(b3Quat a, b3Quat b);\n" -"inline b3Quat b3QuatNormalized(b3QuatConstArg in);\n" -"inline b3Quat b3QuatRotate(b3QuatConstArg q, b3QuatConstArg vec);\n" -"inline b3Quat b3QuatInvert(b3QuatConstArg q);\n" -"inline b3Quat b3QuatInverse(b3QuatConstArg q);\n" -"inline b3Quat b3QuatMul(b3QuatConstArg a, b3QuatConstArg b)\n" -"{\n" -" b3Quat ans;\n" -" ans = b3Cross3( a, b );\n" -" ans += a.w*b+b.w*a;\n" -"// ans.w = a.w*b.w - (a.x*b.x+a.y*b.y+a.z*b.z);\n" -" ans.w = a.w*b.w - b3Dot3F4(a, b);\n" -" return ans;\n" -"}\n" -"inline b3Quat b3QuatNormalized(b3QuatConstArg in)\n" -"{\n" -" b3Quat q;\n" -" q=in;\n" -" //return b3FastNormalize4(in);\n" -" float len = native_sqrt(dot(q, q));\n" -" if(len > 0.f)\n" -" {\n" -" q *= 1.f / len;\n" -" }\n" -" else\n" -" {\n" -" q.x = q.y = q.z = 0.f;\n" -" q.w = 1.f;\n" -" }\n" -" return q;\n" -"}\n" -"inline float4 b3QuatRotate(b3QuatConstArg q, b3QuatConstArg vec)\n" -"{\n" -" b3Quat qInv = b3QuatInvert( q );\n" -" float4 vcpy = vec;\n" -" vcpy.w = 0.f;\n" -" float4 out = b3QuatMul(b3QuatMul(q,vcpy),qInv);\n" -" return out;\n" -"}\n" -"inline b3Quat b3QuatInverse(b3QuatConstArg q)\n" -"{\n" -" return (b3Quat)(-q.xyz, q.w);\n" -"}\n" -"inline b3Quat b3QuatInvert(b3QuatConstArg q)\n" -"{\n" -" return (b3Quat)(-q.xyz, q.w);\n" -"}\n" -"inline float4 b3QuatInvRotate(b3QuatConstArg q, b3QuatConstArg vec)\n" -"{\n" -" return b3QuatRotate( b3QuatInvert( q ), vec );\n" -"}\n" -"inline b3Float4 b3TransformPoint(b3Float4ConstArg point, b3Float4ConstArg translation, b3QuatConstArg orientation)\n" -"{\n" -" return b3QuatRotate( orientation, point ) + (translation);\n" -"}\n" -" \n" -"#endif \n" -"#endif //B3_QUAT_H\n" -"#ifndef B3_MAT3x3_H\n" -"#define B3_MAT3x3_H\n" -"#ifndef B3_QUAT_H\n" -"#ifdef __cplusplus\n" -"#else\n" -"#endif \n" -"#endif //B3_QUAT_H\n" -"#ifdef __cplusplus\n" -"#else\n" -"typedef struct\n" -"{\n" -" b3Float4 m_row[3];\n" -"}b3Mat3x3;\n" -"#define b3Mat3x3ConstArg const b3Mat3x3\n" -"#define b3GetRow(m,row) (m.m_row[row])\n" -"inline b3Mat3x3 b3QuatGetRotationMatrix(b3Quat quat)\n" -"{\n" -" b3Float4 quat2 = (b3Float4)(quat.x*quat.x, quat.y*quat.y, quat.z*quat.z, 0.f);\n" -" b3Mat3x3 out;\n" -" out.m_row[0].x=1-2*quat2.y-2*quat2.z;\n" -" out.m_row[0].y=2*quat.x*quat.y-2*quat.w*quat.z;\n" -" out.m_row[0].z=2*quat.x*quat.z+2*quat.w*quat.y;\n" -" out.m_row[0].w = 0.f;\n" -" out.m_row[1].x=2*quat.x*quat.y+2*quat.w*quat.z;\n" -" out.m_row[1].y=1-2*quat2.x-2*quat2.z;\n" -" out.m_row[1].z=2*quat.y*quat.z-2*quat.w*quat.x;\n" -" out.m_row[1].w = 0.f;\n" -" out.m_row[2].x=2*quat.x*quat.z-2*quat.w*quat.y;\n" -" out.m_row[2].y=2*quat.y*quat.z+2*quat.w*quat.x;\n" -" out.m_row[2].z=1-2*quat2.x-2*quat2.y;\n" -" out.m_row[2].w = 0.f;\n" -" return out;\n" -"}\n" -"inline b3Mat3x3 b3AbsoluteMat3x3(b3Mat3x3ConstArg matIn)\n" -"{\n" -" b3Mat3x3 out;\n" -" out.m_row[0] = fabs(matIn.m_row[0]);\n" -" out.m_row[1] = fabs(matIn.m_row[1]);\n" -" out.m_row[2] = fabs(matIn.m_row[2]);\n" -" return out;\n" -"}\n" -"__inline\n" -"b3Mat3x3 mtZero();\n" -"__inline\n" -"b3Mat3x3 mtIdentity();\n" -"__inline\n" -"b3Mat3x3 mtTranspose(b3Mat3x3 m);\n" -"__inline\n" -"b3Mat3x3 mtMul(b3Mat3x3 a, b3Mat3x3 b);\n" -"__inline\n" -"b3Float4 mtMul1(b3Mat3x3 a, b3Float4 b);\n" -"__inline\n" -"b3Float4 mtMul3(b3Float4 a, b3Mat3x3 b);\n" -"__inline\n" -"b3Mat3x3 mtZero()\n" -"{\n" -" b3Mat3x3 m;\n" -" m.m_row[0] = (b3Float4)(0.f);\n" -" m.m_row[1] = (b3Float4)(0.f);\n" -" m.m_row[2] = (b3Float4)(0.f);\n" -" return m;\n" -"}\n" -"__inline\n" -"b3Mat3x3 mtIdentity()\n" -"{\n" -" b3Mat3x3 m;\n" -" m.m_row[0] = (b3Float4)(1,0,0,0);\n" -" m.m_row[1] = (b3Float4)(0,1,0,0);\n" -" m.m_row[2] = (b3Float4)(0,0,1,0);\n" -" return m;\n" -"}\n" -"__inline\n" -"b3Mat3x3 mtTranspose(b3Mat3x3 m)\n" -"{\n" -" b3Mat3x3 out;\n" -" out.m_row[0] = (b3Float4)(m.m_row[0].x, m.m_row[1].x, m.m_row[2].x, 0.f);\n" -" out.m_row[1] = (b3Float4)(m.m_row[0].y, m.m_row[1].y, m.m_row[2].y, 0.f);\n" -" out.m_row[2] = (b3Float4)(m.m_row[0].z, m.m_row[1].z, m.m_row[2].z, 0.f);\n" -" return out;\n" -"}\n" -"__inline\n" -"b3Mat3x3 mtMul(b3Mat3x3 a, b3Mat3x3 b)\n" -"{\n" -" b3Mat3x3 transB;\n" -" transB = mtTranspose( b );\n" -" b3Mat3x3 ans;\n" -" // why this doesn't run when 0ing in the for{}\n" -" a.m_row[0].w = 0.f;\n" -" a.m_row[1].w = 0.f;\n" -" a.m_row[2].w = 0.f;\n" -" for(int i=0; i<3; i++)\n" -" {\n" -"// a.m_row[i].w = 0.f;\n" -" ans.m_row[i].x = b3Dot3F4(a.m_row[i],transB.m_row[0]);\n" -" ans.m_row[i].y = b3Dot3F4(a.m_row[i],transB.m_row[1]);\n" -" ans.m_row[i].z = b3Dot3F4(a.m_row[i],transB.m_row[2]);\n" -" ans.m_row[i].w = 0.f;\n" -" }\n" -" return ans;\n" -"}\n" -"__inline\n" -"b3Float4 mtMul1(b3Mat3x3 a, b3Float4 b)\n" -"{\n" -" b3Float4 ans;\n" -" ans.x = b3Dot3F4( a.m_row[0], b );\n" -" ans.y = b3Dot3F4( a.m_row[1], b );\n" -" ans.z = b3Dot3F4( a.m_row[2], b );\n" -" ans.w = 0.f;\n" -" return ans;\n" -"}\n" -"__inline\n" -"b3Float4 mtMul3(b3Float4 a, b3Mat3x3 b)\n" -"{\n" -" b3Float4 colx = b3MakeFloat4(b.m_row[0].x, b.m_row[1].x, b.m_row[2].x, 0);\n" -" b3Float4 coly = b3MakeFloat4(b.m_row[0].y, b.m_row[1].y, b.m_row[2].y, 0);\n" -" b3Float4 colz = b3MakeFloat4(b.m_row[0].z, b.m_row[1].z, b.m_row[2].z, 0);\n" -" b3Float4 ans;\n" -" ans.x = b3Dot3F4( a, colx );\n" -" ans.y = b3Dot3F4( a, coly );\n" -" ans.z = b3Dot3F4( a, colz );\n" -" return ans;\n" -"}\n" -"#endif\n" -"#endif //B3_MAT3x3_H\n" -"typedef struct b3RigidBodyData b3RigidBodyData_t;\n" -"struct b3RigidBodyData\n" -"{\n" -" b3Float4 m_pos;\n" -" b3Quat m_quat;\n" -" b3Float4 m_linVel;\n" -" b3Float4 m_angVel;\n" -" int m_collidableIdx;\n" -" float m_invMass;\n" -" float m_restituitionCoeff;\n" -" float m_frictionCoeff;\n" -"};\n" -"typedef struct b3InertiaData b3InertiaData_t;\n" -"struct b3InertiaData\n" -"{\n" -" b3Mat3x3 m_invInertiaWorld;\n" -" b3Mat3x3 m_initInvInertia;\n" -"};\n" -"#endif //B3_RIGIDBODY_DATA_H\n" -" \n" -"#ifndef B3_CONVEX_POLYHEDRON_DATA_H\n" -"#define B3_CONVEX_POLYHEDRON_DATA_H\n" -"#ifndef B3_FLOAT4_H\n" -"#ifdef __cplusplus\n" -"#else\n" -"#endif \n" -"#endif //B3_FLOAT4_H\n" -"#ifndef B3_QUAT_H\n" -"#ifdef __cplusplus\n" -"#else\n" -"#endif \n" -"#endif //B3_QUAT_H\n" -"typedef struct b3GpuFace b3GpuFace_t;\n" -"struct b3GpuFace\n" -"{\n" -" b3Float4 m_plane;\n" -" int m_indexOffset;\n" -" int m_numIndices;\n" -" int m_unusedPadding1;\n" -" int m_unusedPadding2;\n" -"};\n" -"typedef struct b3ConvexPolyhedronData b3ConvexPolyhedronData_t;\n" -"struct b3ConvexPolyhedronData\n" -"{\n" -" b3Float4 m_localCenter;\n" -" b3Float4 m_extents;\n" -" b3Float4 mC;\n" -" b3Float4 mE;\n" -" float m_radius;\n" -" int m_faceOffset;\n" -" int m_numFaces;\n" -" int m_numVertices;\n" -" int m_vertexOffset;\n" -" int m_uniqueEdgesOffset;\n" -" int m_numUniqueEdges;\n" -" int m_unused;\n" -"};\n" -"#endif //B3_CONVEX_POLYHEDRON_DATA_H\n" -"#ifndef B3_COLLIDABLE_H\n" -"#define B3_COLLIDABLE_H\n" -"#ifndef B3_FLOAT4_H\n" -"#ifdef __cplusplus\n" -"#else\n" -"#endif \n" -"#endif //B3_FLOAT4_H\n" -"#ifndef B3_QUAT_H\n" -"#ifdef __cplusplus\n" -"#else\n" -"#endif \n" -"#endif //B3_QUAT_H\n" -"enum b3ShapeTypes\n" -"{\n" -" SHAPE_HEIGHT_FIELD=1,\n" -" SHAPE_CONVEX_HULL=3,\n" -" SHAPE_PLANE=4,\n" -" SHAPE_CONCAVE_TRIMESH=5,\n" -" SHAPE_COMPOUND_OF_CONVEX_HULLS=6,\n" -" SHAPE_SPHERE=7,\n" -" MAX_NUM_SHAPE_TYPES,\n" -"};\n" -"typedef struct b3Collidable b3Collidable_t;\n" -"struct b3Collidable\n" -"{\n" -" union {\n" -" int m_numChildShapes;\n" -" int m_bvhIndex;\n" -" };\n" -" union\n" -" {\n" -" float m_radius;\n" -" int m_compoundBvhIndex;\n" -" };\n" -" int m_shapeType;\n" -" int m_shapeIndex;\n" -"};\n" -"typedef struct b3GpuChildShape b3GpuChildShape_t;\n" -"struct b3GpuChildShape\n" -"{\n" -" b3Float4 m_childPosition;\n" -" b3Quat m_childOrientation;\n" -" int m_shapeIndex;\n" -" int m_unused0;\n" -" int m_unused1;\n" -" int m_unused2;\n" -"};\n" -"struct b3CompoundOverlappingPair\n" -"{\n" -" int m_bodyIndexA;\n" -" int m_bodyIndexB;\n" -"// int m_pairType;\n" -" int m_childShapeIndexA;\n" -" int m_childShapeIndexB;\n" -"};\n" -"#endif //B3_COLLIDABLE_H\n" -"#ifdef __cplusplus\n" -"#else\n" -"#define B3_MPR_SQRT sqrt\n" -"#endif\n" -"#define B3_MPR_FMIN(x, y) ((x) < (y) ? (x) : (y))\n" -"#define B3_MPR_FABS fabs\n" -"#define B3_MPR_TOLERANCE 1E-6f\n" -"#define B3_MPR_MAX_ITERATIONS 1000\n" -"struct _b3MprSupport_t \n" -"{\n" -" b3Float4 v; //!< Support point in minkowski sum\n" -" b3Float4 v1; //!< Support point in obj1\n" -" b3Float4 v2; //!< Support point in obj2\n" -"};\n" -"typedef struct _b3MprSupport_t b3MprSupport_t;\n" -"struct _b3MprSimplex_t \n" -"{\n" -" b3MprSupport_t ps[4];\n" -" int last; //!< index of last added point\n" -"};\n" -"typedef struct _b3MprSimplex_t b3MprSimplex_t;\n" -"inline b3MprSupport_t* b3MprSimplexPointW(b3MprSimplex_t *s, int idx)\n" -"{\n" -" return &s->ps[idx];\n" -"}\n" -"inline void b3MprSimplexSetSize(b3MprSimplex_t *s, int size)\n" -"{\n" -" s->last = size - 1;\n" -"}\n" -"inline int b3MprSimplexSize(const b3MprSimplex_t *s)\n" -"{\n" -" return s->last + 1;\n" -"}\n" -"inline const b3MprSupport_t* b3MprSimplexPoint(const b3MprSimplex_t* s, int idx)\n" -"{\n" -" // here is no check on boundaries\n" -" return &s->ps[idx];\n" -"}\n" -"inline void b3MprSupportCopy(b3MprSupport_t *d, const b3MprSupport_t *s)\n" -"{\n" -" *d = *s;\n" -"}\n" -"inline void b3MprSimplexSet(b3MprSimplex_t *s, size_t pos, const b3MprSupport_t *a)\n" -"{\n" -" b3MprSupportCopy(s->ps + pos, a);\n" -"}\n" -"inline void b3MprSimplexSwap(b3MprSimplex_t *s, size_t pos1, size_t pos2)\n" -"{\n" -" b3MprSupport_t supp;\n" -" b3MprSupportCopy(&supp, &s->ps[pos1]);\n" -" b3MprSupportCopy(&s->ps[pos1], &s->ps[pos2]);\n" -" b3MprSupportCopy(&s->ps[pos2], &supp);\n" -"}\n" -"inline int b3MprIsZero(float val)\n" -"{\n" -" return B3_MPR_FABS(val) < FLT_EPSILON;\n" -"}\n" -"inline int b3MprEq(float _a, float _b)\n" -"{\n" -" float ab;\n" -" float a, b;\n" -" ab = B3_MPR_FABS(_a - _b);\n" -" if (B3_MPR_FABS(ab) < FLT_EPSILON)\n" -" return 1;\n" -" a = B3_MPR_FABS(_a);\n" -" b = B3_MPR_FABS(_b);\n" -" if (b > a){\n" -" return ab < FLT_EPSILON * b;\n" -" }else{\n" -" return ab < FLT_EPSILON * a;\n" -" }\n" -"}\n" -"inline int b3MprVec3Eq(const b3Float4* a, const b3Float4 *b)\n" -"{\n" -" return b3MprEq((*a).x, (*b).x)\n" -" && b3MprEq((*a).y, (*b).y)\n" -" && b3MprEq((*a).z, (*b).z);\n" -"}\n" -"inline b3Float4 b3LocalGetSupportVertex(b3Float4ConstArg supportVec,__global const b3ConvexPolyhedronData_t* hull, b3ConstArray(b3Float4) verticesA)\n" -"{\n" -" b3Float4 supVec = b3MakeFloat4(0,0,0,0);\n" -" float maxDot = -B3_LARGE_FLOAT;\n" -" if( 0 < hull->m_numVertices )\n" -" {\n" -" const b3Float4 scaled = supportVec;\n" -" int index = b3MaxDot(scaled, &verticesA[hull->m_vertexOffset], hull->m_numVertices, &maxDot);\n" -" return verticesA[hull->m_vertexOffset+index];\n" -" }\n" -" return supVec;\n" -"}\n" -"B3_STATIC void b3MprConvexSupport(int pairIndex,int bodyIndex, b3ConstArray(b3RigidBodyData_t) cpuBodyBuf, \n" -" b3ConstArray(b3ConvexPolyhedronData_t) cpuConvexData, \n" -" b3ConstArray(b3Collidable_t) cpuCollidables,\n" -" b3ConstArray(b3Float4) cpuVertices,\n" -" __global b3Float4* sepAxis,\n" -" const b3Float4* _dir, b3Float4* outp, int logme)\n" -"{\n" -" //dir is in worldspace, move to local space\n" -" \n" -" b3Float4 pos = cpuBodyBuf[bodyIndex].m_pos;\n" -" b3Quat orn = cpuBodyBuf[bodyIndex].m_quat;\n" -" \n" -" b3Float4 dir = b3MakeFloat4((*_dir).x,(*_dir).y,(*_dir).z,0.f);\n" -" \n" -" const b3Float4 localDir = b3QuatRotate(b3QuatInverse(orn),dir);\n" -" \n" -" //find local support vertex\n" -" int colIndex = cpuBodyBuf[bodyIndex].m_collidableIdx;\n" -" \n" -" b3Assert(cpuCollidables[colIndex].m_shapeType==SHAPE_CONVEX_HULL);\n" -" __global const b3ConvexPolyhedronData_t* hull = &cpuConvexData[cpuCollidables[colIndex].m_shapeIndex];\n" -" \n" -" b3Float4 pInA;\n" -" if (logme)\n" -" {\n" -" b3Float4 supVec = b3MakeFloat4(0,0,0,0);\n" -" float maxDot = -B3_LARGE_FLOAT;\n" -" if( 0 < hull->m_numVertices )\n" -" {\n" -" const b3Float4 scaled = localDir;\n" -" int index = b3MaxDot(scaled, &cpuVertices[hull->m_vertexOffset], hull->m_numVertices, &maxDot);\n" -" pInA = cpuVertices[hull->m_vertexOffset+index];\n" -" \n" -" }\n" -" } else\n" -" {\n" -" pInA = b3LocalGetSupportVertex(localDir,hull,cpuVertices);\n" -" }\n" -" //move vertex to world space\n" -" *outp = b3TransformPoint(pInA,pos,orn);\n" -" \n" -"}\n" -"inline void b3MprSupport(int pairIndex,int bodyIndexA, int bodyIndexB, b3ConstArray(b3RigidBodyData_t) cpuBodyBuf, \n" -" b3ConstArray(b3ConvexPolyhedronData_t) cpuConvexData, \n" -" b3ConstArray(b3Collidable_t) cpuCollidables,\n" -" b3ConstArray(b3Float4) cpuVertices,\n" -" __global b3Float4* sepAxis,\n" -" const b3Float4* _dir, b3MprSupport_t *supp)\n" -"{\n" -" b3Float4 dir;\n" -" dir = *_dir;\n" -" b3MprConvexSupport(pairIndex,bodyIndexA,cpuBodyBuf,cpuConvexData,cpuCollidables,cpuVertices,sepAxis,&dir, &supp->v1,0);\n" -" dir = *_dir*-1.f;\n" -" b3MprConvexSupport(pairIndex,bodyIndexB,cpuBodyBuf,cpuConvexData,cpuCollidables,cpuVertices,sepAxis,&dir, &supp->v2,0);\n" -" supp->v = supp->v1 - supp->v2;\n" -"}\n" -"inline void b3FindOrigin(int bodyIndexA, int bodyIndexB, b3ConstArray(b3RigidBodyData_t) cpuBodyBuf, b3MprSupport_t *center)\n" -"{\n" -" center->v1 = cpuBodyBuf[bodyIndexA].m_pos;\n" -" center->v2 = cpuBodyBuf[bodyIndexB].m_pos;\n" -" center->v = center->v1 - center->v2;\n" -"}\n" -"inline void b3MprVec3Set(b3Float4 *v, float x, float y, float z)\n" -"{\n" -" (*v).x = x;\n" -" (*v).y = y;\n" -" (*v).z = z;\n" -" (*v).w = 0.f;\n" -"}\n" -"inline void b3MprVec3Add(b3Float4 *v, const b3Float4 *w)\n" -"{\n" -" (*v).x += (*w).x;\n" -" (*v).y += (*w).y;\n" -" (*v).z += (*w).z;\n" -"}\n" -"inline void b3MprVec3Copy(b3Float4 *v, const b3Float4 *w)\n" -"{\n" -" *v = *w;\n" -"}\n" -"inline void b3MprVec3Scale(b3Float4 *d, float k)\n" -"{\n" -" *d *= k;\n" -"}\n" -"inline float b3MprVec3Dot(const b3Float4 *a, const b3Float4 *b)\n" -"{\n" -" float dot;\n" -" dot = b3Dot3F4(*a,*b);\n" -" return dot;\n" -"}\n" -"inline float b3MprVec3Len2(const b3Float4 *v)\n" -"{\n" -" return b3MprVec3Dot(v, v);\n" -"}\n" -"inline void b3MprVec3Normalize(b3Float4 *d)\n" -"{\n" -" float k = 1.f / B3_MPR_SQRT(b3MprVec3Len2(d));\n" -" b3MprVec3Scale(d, k);\n" -"}\n" -"inline void b3MprVec3Cross(b3Float4 *d, const b3Float4 *a, const b3Float4 *b)\n" -"{\n" -" *d = b3Cross3(*a,*b);\n" -" \n" -"}\n" -"inline void b3MprVec3Sub2(b3Float4 *d, const b3Float4 *v, const b3Float4 *w)\n" -"{\n" -" *d = *v - *w;\n" -"}\n" -"inline void b3PortalDir(const b3MprSimplex_t *portal, b3Float4 *dir)\n" -"{\n" -" b3Float4 v2v1, v3v1;\n" -" b3MprVec3Sub2(&v2v1, &b3MprSimplexPoint(portal, 2)->v,\n" -" &b3MprSimplexPoint(portal, 1)->v);\n" -" b3MprVec3Sub2(&v3v1, &b3MprSimplexPoint(portal, 3)->v,\n" -" &b3MprSimplexPoint(portal, 1)->v);\n" -" b3MprVec3Cross(dir, &v2v1, &v3v1);\n" -" b3MprVec3Normalize(dir);\n" -"}\n" -"inline int portalEncapsulesOrigin(const b3MprSimplex_t *portal,\n" -" const b3Float4 *dir)\n" -"{\n" -" float dot;\n" -" dot = b3MprVec3Dot(dir, &b3MprSimplexPoint(portal, 1)->v);\n" -" return b3MprIsZero(dot) || dot > 0.f;\n" -"}\n" -"inline int portalReachTolerance(const b3MprSimplex_t *portal,\n" -" const b3MprSupport_t *v4,\n" -" const b3Float4 *dir)\n" -"{\n" -" float dv1, dv2, dv3, dv4;\n" -" float dot1, dot2, dot3;\n" -" // find the smallest dot product of dir and {v1-v4, v2-v4, v3-v4}\n" -" dv1 = b3MprVec3Dot(&b3MprSimplexPoint(portal, 1)->v, dir);\n" -" dv2 = b3MprVec3Dot(&b3MprSimplexPoint(portal, 2)->v, dir);\n" -" dv3 = b3MprVec3Dot(&b3MprSimplexPoint(portal, 3)->v, dir);\n" -" dv4 = b3MprVec3Dot(&v4->v, dir);\n" -" dot1 = dv4 - dv1;\n" -" dot2 = dv4 - dv2;\n" -" dot3 = dv4 - dv3;\n" -" dot1 = B3_MPR_FMIN(dot1, dot2);\n" -" dot1 = B3_MPR_FMIN(dot1, dot3);\n" -" return b3MprEq(dot1, B3_MPR_TOLERANCE) || dot1 < B3_MPR_TOLERANCE;\n" -"}\n" -"inline int portalCanEncapsuleOrigin(const b3MprSimplex_t *portal, \n" -" const b3MprSupport_t *v4,\n" -" const b3Float4 *dir)\n" -"{\n" -" float dot;\n" -" dot = b3MprVec3Dot(&v4->v, dir);\n" -" return b3MprIsZero(dot) || dot > 0.f;\n" -"}\n" -"inline void b3ExpandPortal(b3MprSimplex_t *portal,\n" -" const b3MprSupport_t *v4)\n" -"{\n" -" float dot;\n" -" b3Float4 v4v0;\n" -" b3MprVec3Cross(&v4v0, &v4->v, &b3MprSimplexPoint(portal, 0)->v);\n" -" dot = b3MprVec3Dot(&b3MprSimplexPoint(portal, 1)->v, &v4v0);\n" -" if (dot > 0.f){\n" -" dot = b3MprVec3Dot(&b3MprSimplexPoint(portal, 2)->v, &v4v0);\n" -" if (dot > 0.f){\n" -" b3MprSimplexSet(portal, 1, v4);\n" -" }else{\n" -" b3MprSimplexSet(portal, 3, v4);\n" -" }\n" -" }else{\n" -" dot = b3MprVec3Dot(&b3MprSimplexPoint(portal, 3)->v, &v4v0);\n" -" if (dot > 0.f){\n" -" b3MprSimplexSet(portal, 2, v4);\n" -" }else{\n" -" b3MprSimplexSet(portal, 1, v4);\n" -" }\n" -" }\n" -"}\n" -"B3_STATIC int b3DiscoverPortal(int pairIndex, int bodyIndexA, int bodyIndexB, b3ConstArray(b3RigidBodyData_t) cpuBodyBuf, \n" -" b3ConstArray(b3ConvexPolyhedronData_t) cpuConvexData, \n" -" b3ConstArray(b3Collidable_t) cpuCollidables,\n" -" b3ConstArray(b3Float4) cpuVertices,\n" -" __global b3Float4* sepAxis,\n" -" __global int* hasSepAxis,\n" -" b3MprSimplex_t *portal)\n" -"{\n" -" b3Float4 dir, va, vb;\n" -" float dot;\n" -" int cont;\n" -" \n" -" \n" -" // vertex 0 is center of portal\n" -" b3FindOrigin(bodyIndexA,bodyIndexB,cpuBodyBuf, b3MprSimplexPointW(portal, 0));\n" -" // vertex 0 is center of portal\n" -" b3MprSimplexSetSize(portal, 1);\n" -" \n" -" b3Float4 zero = b3MakeFloat4(0,0,0,0);\n" -" b3Float4* b3mpr_vec3_origin = &zero;\n" -" if (b3MprVec3Eq(&b3MprSimplexPoint(portal, 0)->v, b3mpr_vec3_origin)){\n" -" // Portal's center lies on origin (0,0,0) => we know that objects\n" -" // intersect but we would need to know penetration info.\n" -" // So move center little bit...\n" -" b3MprVec3Set(&va, FLT_EPSILON * 10.f, 0.f, 0.f);\n" -" b3MprVec3Add(&b3MprSimplexPointW(portal, 0)->v, &va);\n" -" }\n" -" // vertex 1 = support in direction of origin\n" -" b3MprVec3Copy(&dir, &b3MprSimplexPoint(portal, 0)->v);\n" -" b3MprVec3Scale(&dir, -1.f);\n" -" b3MprVec3Normalize(&dir);\n" -" b3MprSupport(pairIndex,bodyIndexA,bodyIndexB,cpuBodyBuf,cpuConvexData,cpuCollidables,cpuVertices, sepAxis,&dir, b3MprSimplexPointW(portal, 1));\n" -" b3MprSimplexSetSize(portal, 2);\n" -" // test if origin isn't outside of v1\n" -" dot = b3MprVec3Dot(&b3MprSimplexPoint(portal, 1)->v, &dir);\n" -" \n" -" if (b3MprIsZero(dot) || dot < 0.f)\n" -" return -1;\n" -" // vertex 2\n" -" b3MprVec3Cross(&dir, &b3MprSimplexPoint(portal, 0)->v,\n" -" &b3MprSimplexPoint(portal, 1)->v);\n" -" if (b3MprIsZero(b3MprVec3Len2(&dir))){\n" -" if (b3MprVec3Eq(&b3MprSimplexPoint(portal, 1)->v, b3mpr_vec3_origin)){\n" -" // origin lies on v1\n" -" return 1;\n" -" }else{\n" -" // origin lies on v0-v1 segment\n" -" return 2;\n" -" }\n" -" }\n" -" b3MprVec3Normalize(&dir);\n" -" b3MprSupport(pairIndex,bodyIndexA,bodyIndexB,cpuBodyBuf,cpuConvexData,cpuCollidables,cpuVertices, sepAxis,&dir, b3MprSimplexPointW(portal, 2));\n" -" \n" -" dot = b3MprVec3Dot(&b3MprSimplexPoint(portal, 2)->v, &dir);\n" -" if (b3MprIsZero(dot) || dot < 0.f)\n" -" return -1;\n" -" b3MprSimplexSetSize(portal, 3);\n" -" // vertex 3 direction\n" -" b3MprVec3Sub2(&va, &b3MprSimplexPoint(portal, 1)->v,\n" -" &b3MprSimplexPoint(portal, 0)->v);\n" -" b3MprVec3Sub2(&vb, &b3MprSimplexPoint(portal, 2)->v,\n" -" &b3MprSimplexPoint(portal, 0)->v);\n" -" b3MprVec3Cross(&dir, &va, &vb);\n" -" b3MprVec3Normalize(&dir);\n" -" // it is better to form portal faces to be oriented \"outside\" origin\n" -" dot = b3MprVec3Dot(&dir, &b3MprSimplexPoint(portal, 0)->v);\n" -" if (dot > 0.f){\n" -" b3MprSimplexSwap(portal, 1, 2);\n" -" b3MprVec3Scale(&dir, -1.f);\n" -" }\n" -" while (b3MprSimplexSize(portal) < 4){\n" -" b3MprSupport(pairIndex,bodyIndexA,bodyIndexB,cpuBodyBuf,cpuConvexData,cpuCollidables,cpuVertices, sepAxis,&dir, b3MprSimplexPointW(portal, 3));\n" -" \n" -" dot = b3MprVec3Dot(&b3MprSimplexPoint(portal, 3)->v, &dir);\n" -" if (b3MprIsZero(dot) || dot < 0.f)\n" -" return -1;\n" -" cont = 0;\n" -" // test if origin is outside (v1, v0, v3) - set v2 as v3 and\n" -" // continue\n" -" b3MprVec3Cross(&va, &b3MprSimplexPoint(portal, 1)->v,\n" -" &b3MprSimplexPoint(portal, 3)->v);\n" -" dot = b3MprVec3Dot(&va, &b3MprSimplexPoint(portal, 0)->v);\n" -" if (dot < 0.f && !b3MprIsZero(dot)){\n" -" b3MprSimplexSet(portal, 2, b3MprSimplexPoint(portal, 3));\n" -" cont = 1;\n" -" }\n" -" if (!cont){\n" -" // test if origin is outside (v3, v0, v2) - set v1 as v3 and\n" -" // continue\n" -" b3MprVec3Cross(&va, &b3MprSimplexPoint(portal, 3)->v,\n" -" &b3MprSimplexPoint(portal, 2)->v);\n" -" dot = b3MprVec3Dot(&va, &b3MprSimplexPoint(portal, 0)->v);\n" -" if (dot < 0.f && !b3MprIsZero(dot)){\n" -" b3MprSimplexSet(portal, 1, b3MprSimplexPoint(portal, 3));\n" -" cont = 1;\n" -" }\n" -" }\n" -" if (cont){\n" -" b3MprVec3Sub2(&va, &b3MprSimplexPoint(portal, 1)->v,\n" -" &b3MprSimplexPoint(portal, 0)->v);\n" -" b3MprVec3Sub2(&vb, &b3MprSimplexPoint(portal, 2)->v,\n" -" &b3MprSimplexPoint(portal, 0)->v);\n" -" b3MprVec3Cross(&dir, &va, &vb);\n" -" b3MprVec3Normalize(&dir);\n" -" }else{\n" -" b3MprSimplexSetSize(portal, 4);\n" -" }\n" -" }\n" -" return 0;\n" -"}\n" -"B3_STATIC int b3RefinePortal(int pairIndex,int bodyIndexA, int bodyIndexB, b3ConstArray(b3RigidBodyData_t) cpuBodyBuf, \n" -" b3ConstArray(b3ConvexPolyhedronData_t) cpuConvexData, \n" -" b3ConstArray(b3Collidable_t) cpuCollidables,\n" -" b3ConstArray(b3Float4) cpuVertices,\n" -" __global b3Float4* sepAxis,\n" -" b3MprSimplex_t *portal)\n" -"{\n" -" b3Float4 dir;\n" -" b3MprSupport_t v4;\n" -" for (int i=0;i<B3_MPR_MAX_ITERATIONS;i++)\n" -" //while (1)\n" -" {\n" -" // compute direction outside the portal (from v0 throught v1,v2,v3\n" -" // face)\n" -" b3PortalDir(portal, &dir);\n" -" // test if origin is inside the portal\n" -" if (portalEncapsulesOrigin(portal, &dir))\n" -" return 0;\n" -" // get next support point\n" -" \n" -" b3MprSupport(pairIndex,bodyIndexA,bodyIndexB,cpuBodyBuf,cpuConvexData,cpuCollidables,cpuVertices, sepAxis,&dir, &v4);\n" -" // test if v4 can expand portal to contain origin and if portal\n" -" // expanding doesn't reach given tolerance\n" -" if (!portalCanEncapsuleOrigin(portal, &v4, &dir)\n" -" || portalReachTolerance(portal, &v4, &dir))\n" -" {\n" -" return -1;\n" -" }\n" -" // v1-v2-v3 triangle must be rearranged to face outside Minkowski\n" -" // difference (direction from v0).\n" -" b3ExpandPortal(portal, &v4);\n" -" }\n" -" return -1;\n" -"}\n" -"B3_STATIC void b3FindPos(const b3MprSimplex_t *portal, b3Float4 *pos)\n" -"{\n" -" b3Float4 zero = b3MakeFloat4(0,0,0,0);\n" -" b3Float4* b3mpr_vec3_origin = &zero;\n" -" b3Float4 dir;\n" -" size_t i;\n" -" float b[4], sum, inv;\n" -" b3Float4 vec, p1, p2;\n" -" b3PortalDir(portal, &dir);\n" -" // use barycentric coordinates of tetrahedron to find origin\n" -" b3MprVec3Cross(&vec, &b3MprSimplexPoint(portal, 1)->v,\n" -" &b3MprSimplexPoint(portal, 2)->v);\n" -" b[0] = b3MprVec3Dot(&vec, &b3MprSimplexPoint(portal, 3)->v);\n" -" b3MprVec3Cross(&vec, &b3MprSimplexPoint(portal, 3)->v,\n" -" &b3MprSimplexPoint(portal, 2)->v);\n" -" b[1] = b3MprVec3Dot(&vec, &b3MprSimplexPoint(portal, 0)->v);\n" -" b3MprVec3Cross(&vec, &b3MprSimplexPoint(portal, 0)->v,\n" -" &b3MprSimplexPoint(portal, 1)->v);\n" -" b[2] = b3MprVec3Dot(&vec, &b3MprSimplexPoint(portal, 3)->v);\n" -" b3MprVec3Cross(&vec, &b3MprSimplexPoint(portal, 2)->v,\n" -" &b3MprSimplexPoint(portal, 1)->v);\n" -" b[3] = b3MprVec3Dot(&vec, &b3MprSimplexPoint(portal, 0)->v);\n" -" sum = b[0] + b[1] + b[2] + b[3];\n" -" if (b3MprIsZero(sum) || sum < 0.f){\n" -" b[0] = 0.f;\n" -" b3MprVec3Cross(&vec, &b3MprSimplexPoint(portal, 2)->v,\n" -" &b3MprSimplexPoint(portal, 3)->v);\n" -" b[1] = b3MprVec3Dot(&vec, &dir);\n" -" b3MprVec3Cross(&vec, &b3MprSimplexPoint(portal, 3)->v,\n" -" &b3MprSimplexPoint(portal, 1)->v);\n" -" b[2] = b3MprVec3Dot(&vec, &dir);\n" -" b3MprVec3Cross(&vec, &b3MprSimplexPoint(portal, 1)->v,\n" -" &b3MprSimplexPoint(portal, 2)->v);\n" -" b[3] = b3MprVec3Dot(&vec, &dir);\n" -" sum = b[1] + b[2] + b[3];\n" -" }\n" -" inv = 1.f / sum;\n" -" b3MprVec3Copy(&p1, b3mpr_vec3_origin);\n" -" b3MprVec3Copy(&p2, b3mpr_vec3_origin);\n" -" for (i = 0; i < 4; i++){\n" -" b3MprVec3Copy(&vec, &b3MprSimplexPoint(portal, i)->v1);\n" -" b3MprVec3Scale(&vec, b[i]);\n" -" b3MprVec3Add(&p1, &vec);\n" -" b3MprVec3Copy(&vec, &b3MprSimplexPoint(portal, i)->v2);\n" -" b3MprVec3Scale(&vec, b[i]);\n" -" b3MprVec3Add(&p2, &vec);\n" -" }\n" -" b3MprVec3Scale(&p1, inv);\n" -" b3MprVec3Scale(&p2, inv);\n" -" b3MprVec3Copy(pos, &p1);\n" -" b3MprVec3Add(pos, &p2);\n" -" b3MprVec3Scale(pos, 0.5);\n" -"}\n" -"inline float b3MprVec3Dist2(const b3Float4 *a, const b3Float4 *b)\n" -"{\n" -" b3Float4 ab;\n" -" b3MprVec3Sub2(&ab, a, b);\n" -" return b3MprVec3Len2(&ab);\n" -"}\n" -"inline float _b3MprVec3PointSegmentDist2(const b3Float4 *P,\n" -" const b3Float4 *x0,\n" -" const b3Float4 *b,\n" -" b3Float4 *witness)\n" -"{\n" -" // The computation comes from solving equation of segment:\n" -" // S(t) = x0 + t.d\n" -" // where - x0 is initial point of segment\n" -" // - d is direction of segment from x0 (|d| > 0)\n" -" // - t belongs to <0, 1> interval\n" -" // \n" -" // Than, distance from a segment to some point P can be expressed:\n" -" // D(t) = |x0 + t.d - P|^2\n" -" // which is distance from any point on segment. Minimization\n" -" // of this function brings distance from P to segment.\n" -" // Minimization of D(t) leads to simple quadratic equation that's\n" -" // solving is straightforward.\n" -" //\n" -" // Bonus of this method is witness point for free.\n" -" float dist, t;\n" -" b3Float4 d, a;\n" -" // direction of segment\n" -" b3MprVec3Sub2(&d, b, x0);\n" -" // precompute vector from P to x0\n" -" b3MprVec3Sub2(&a, x0, P);\n" -" t = -1.f * b3MprVec3Dot(&a, &d);\n" -" t /= b3MprVec3Len2(&d);\n" -" if (t < 0.f || b3MprIsZero(t)){\n" -" dist = b3MprVec3Dist2(x0, P);\n" -" if (witness)\n" -" b3MprVec3Copy(witness, x0);\n" -" }else if (t > 1.f || b3MprEq(t, 1.f)){\n" -" dist = b3MprVec3Dist2(b, P);\n" -" if (witness)\n" -" b3MprVec3Copy(witness, b);\n" -" }else{\n" -" if (witness){\n" -" b3MprVec3Copy(witness, &d);\n" -" b3MprVec3Scale(witness, t);\n" -" b3MprVec3Add(witness, x0);\n" -" dist = b3MprVec3Dist2(witness, P);\n" -" }else{\n" -" // recycling variables\n" -" b3MprVec3Scale(&d, t);\n" -" b3MprVec3Add(&d, &a);\n" -" dist = b3MprVec3Len2(&d);\n" -" }\n" -" }\n" -" return dist;\n" -"}\n" -"inline float b3MprVec3PointTriDist2(const b3Float4 *P,\n" -" const b3Float4 *x0, const b3Float4 *B,\n" -" const b3Float4 *C,\n" -" b3Float4 *witness)\n" -"{\n" -" // Computation comes from analytic expression for triangle (x0, B, C)\n" -" // T(s, t) = x0 + s.d1 + t.d2, where d1 = B - x0 and d2 = C - x0 and\n" -" // Then equation for distance is:\n" -" // D(s, t) = | T(s, t) - P |^2\n" -" // This leads to minimization of quadratic function of two variables.\n" -" // The solution from is taken only if s is between 0 and 1, t is\n" -" // between 0 and 1 and t + s < 1, otherwise distance from segment is\n" -" // computed.\n" -" b3Float4 d1, d2, a;\n" -" float u, v, w, p, q, r;\n" -" float s, t, dist, dist2;\n" -" b3Float4 witness2;\n" -" b3MprVec3Sub2(&d1, B, x0);\n" -" b3MprVec3Sub2(&d2, C, x0);\n" -" b3MprVec3Sub2(&a, x0, P);\n" -" u = b3MprVec3Dot(&a, &a);\n" -" v = b3MprVec3Dot(&d1, &d1);\n" -" w = b3MprVec3Dot(&d2, &d2);\n" -" p = b3MprVec3Dot(&a, &d1);\n" -" q = b3MprVec3Dot(&a, &d2);\n" -" r = b3MprVec3Dot(&d1, &d2);\n" -" s = (q * r - w * p) / (w * v - r * r);\n" -" t = (-s * r - q) / w;\n" -" if ((b3MprIsZero(s) || s > 0.f)\n" -" && (b3MprEq(s, 1.f) || s < 1.f)\n" -" && (b3MprIsZero(t) || t > 0.f)\n" -" && (b3MprEq(t, 1.f) || t < 1.f)\n" -" && (b3MprEq(t + s, 1.f) || t + s < 1.f)){\n" -" if (witness){\n" -" b3MprVec3Scale(&d1, s);\n" -" b3MprVec3Scale(&d2, t);\n" -" b3MprVec3Copy(witness, x0);\n" -" b3MprVec3Add(witness, &d1);\n" -" b3MprVec3Add(witness, &d2);\n" -" dist = b3MprVec3Dist2(witness, P);\n" -" }else{\n" -" dist = s * s * v;\n" -" dist += t * t * w;\n" -" dist += 2.f * s * t * r;\n" -" dist += 2.f * s * p;\n" -" dist += 2.f * t * q;\n" -" dist += u;\n" -" }\n" -" }else{\n" -" dist = _b3MprVec3PointSegmentDist2(P, x0, B, witness);\n" -" dist2 = _b3MprVec3PointSegmentDist2(P, x0, C, &witness2);\n" -" if (dist2 < dist){\n" -" dist = dist2;\n" -" if (witness)\n" -" b3MprVec3Copy(witness, &witness2);\n" -" }\n" -" dist2 = _b3MprVec3PointSegmentDist2(P, B, C, &witness2);\n" -" if (dist2 < dist){\n" -" dist = dist2;\n" -" if (witness)\n" -" b3MprVec3Copy(witness, &witness2);\n" -" }\n" -" }\n" -" return dist;\n" -"}\n" -"B3_STATIC void b3FindPenetr(int pairIndex,int bodyIndexA, int bodyIndexB, b3ConstArray(b3RigidBodyData_t) cpuBodyBuf, \n" -" b3ConstArray(b3ConvexPolyhedronData_t) cpuConvexData, \n" -" b3ConstArray(b3Collidable_t) cpuCollidables,\n" -" b3ConstArray(b3Float4) cpuVertices,\n" -" __global b3Float4* sepAxis,\n" -" b3MprSimplex_t *portal,\n" -" float *depth, b3Float4 *pdir, b3Float4 *pos)\n" -"{\n" -" b3Float4 dir;\n" -" b3MprSupport_t v4;\n" -" unsigned long iterations;\n" -" b3Float4 zero = b3MakeFloat4(0,0,0,0);\n" -" b3Float4* b3mpr_vec3_origin = &zero;\n" -" iterations = 1UL;\n" -" for (int i=0;i<B3_MPR_MAX_ITERATIONS;i++)\n" -" //while (1)\n" -" {\n" -" // compute portal direction and obtain next support point\n" -" b3PortalDir(portal, &dir);\n" -" \n" -" b3MprSupport(pairIndex,bodyIndexA,bodyIndexB,cpuBodyBuf,cpuConvexData,cpuCollidables,cpuVertices, sepAxis,&dir, &v4);\n" -" // reached tolerance -> find penetration info\n" -" if (portalReachTolerance(portal, &v4, &dir)\n" -" || iterations ==B3_MPR_MAX_ITERATIONS)\n" -" {\n" -" *depth = b3MprVec3PointTriDist2(b3mpr_vec3_origin,&b3MprSimplexPoint(portal, 1)->v,&b3MprSimplexPoint(portal, 2)->v,&b3MprSimplexPoint(portal, 3)->v,pdir);\n" -" *depth = B3_MPR_SQRT(*depth);\n" -" \n" -" if (b3MprIsZero((*pdir).x) && b3MprIsZero((*pdir).y) && b3MprIsZero((*pdir).z))\n" -" {\n" -" \n" -" *pdir = dir;\n" -" } \n" -" b3MprVec3Normalize(pdir);\n" -" \n" -" // barycentric coordinates:\n" -" b3FindPos(portal, pos);\n" -" return;\n" -" }\n" -" b3ExpandPortal(portal, &v4);\n" -" iterations++;\n" -" }\n" -"}\n" -"B3_STATIC void b3FindPenetrTouch(b3MprSimplex_t *portal,float *depth, b3Float4 *dir, b3Float4 *pos)\n" -"{\n" -" // Touching contact on portal's v1 - so depth is zero and direction\n" -" // is unimportant and pos can be guessed\n" -" *depth = 0.f;\n" -" b3Float4 zero = b3MakeFloat4(0,0,0,0);\n" -" b3Float4* b3mpr_vec3_origin = &zero;\n" -" b3MprVec3Copy(dir, b3mpr_vec3_origin);\n" -" b3MprVec3Copy(pos, &b3MprSimplexPoint(portal, 1)->v1);\n" -" b3MprVec3Add(pos, &b3MprSimplexPoint(portal, 1)->v2);\n" -" b3MprVec3Scale(pos, 0.5);\n" -"}\n" -"B3_STATIC void b3FindPenetrSegment(b3MprSimplex_t *portal,\n" -" float *depth, b3Float4 *dir, b3Float4 *pos)\n" -"{\n" -" \n" -" // Origin lies on v0-v1 segment.\n" -" // Depth is distance to v1, direction also and position must be\n" -" // computed\n" -" b3MprVec3Copy(pos, &b3MprSimplexPoint(portal, 1)->v1);\n" -" b3MprVec3Add(pos, &b3MprSimplexPoint(portal, 1)->v2);\n" -" b3MprVec3Scale(pos, 0.5f);\n" -" \n" -" b3MprVec3Copy(dir, &b3MprSimplexPoint(portal, 1)->v);\n" -" *depth = B3_MPR_SQRT(b3MprVec3Len2(dir));\n" -" b3MprVec3Normalize(dir);\n" -"}\n" -"inline int b3MprPenetration(int pairIndex, int bodyIndexA, int bodyIndexB,\n" -" b3ConstArray(b3RigidBodyData_t) cpuBodyBuf,\n" -" b3ConstArray(b3ConvexPolyhedronData_t) cpuConvexData, \n" -" b3ConstArray(b3Collidable_t) cpuCollidables,\n" -" b3ConstArray(b3Float4) cpuVertices,\n" -" __global b3Float4* sepAxis,\n" -" __global int* hasSepAxis,\n" -" float *depthOut, b3Float4* dirOut, b3Float4* posOut)\n" -"{\n" -" \n" -" b3MprSimplex_t portal;\n" -" \n" -"// if (!hasSepAxis[pairIndex])\n" -" // return -1;\n" -" \n" -" hasSepAxis[pairIndex] = 0;\n" -" int res;\n" -" // Phase 1: Portal discovery\n" -" res = b3DiscoverPortal(pairIndex,bodyIndexA,bodyIndexB,cpuBodyBuf,cpuConvexData,cpuCollidables,cpuVertices,sepAxis,hasSepAxis, &portal);\n" -" \n" -" \n" -" //sepAxis[pairIndex] = *pdir;//or -dir?\n" -" switch (res)\n" -" {\n" -" case 0:\n" -" {\n" -" // Phase 2: Portal refinement\n" -" \n" -" res = b3RefinePortal(pairIndex,bodyIndexA,bodyIndexB,cpuBodyBuf,cpuConvexData,cpuCollidables,cpuVertices, sepAxis,&portal);\n" -" if (res < 0)\n" -" return -1;\n" -" // Phase 3. Penetration info\n" -" b3FindPenetr(pairIndex,bodyIndexA,bodyIndexB,cpuBodyBuf,cpuConvexData,cpuCollidables,cpuVertices, sepAxis,&portal, depthOut, dirOut, posOut);\n" -" hasSepAxis[pairIndex] = 1;\n" -" sepAxis[pairIndex] = -*dirOut;\n" -" break;\n" -" }\n" -" case 1:\n" -" {\n" -" // Touching contact on portal's v1.\n" -" b3FindPenetrTouch(&portal, depthOut, dirOut, posOut);\n" -" break;\n" -" }\n" -" case 2:\n" -" {\n" -" \n" -" b3FindPenetrSegment( &portal, depthOut, dirOut, posOut);\n" -" break;\n" -" }\n" -" default:\n" -" {\n" -" hasSepAxis[pairIndex]=0;\n" -" //if (res < 0)\n" -" //{\n" -" // Origin isn't inside portal - no collision.\n" -" return -1;\n" -" //}\n" -" }\n" -" };\n" -" \n" -" return 0;\n" -"};\n" -"#endif //B3_MPR_PENETRATION_H\n" -"#ifndef B3_CONTACT4DATA_H\n" -"#define B3_CONTACT4DATA_H\n" -"#ifndef B3_FLOAT4_H\n" -"#ifdef __cplusplus\n" -"#else\n" -"#endif \n" -"#endif //B3_FLOAT4_H\n" -"typedef struct b3Contact4Data b3Contact4Data_t;\n" -"struct b3Contact4Data\n" -"{\n" -" b3Float4 m_worldPosB[4];\n" -"// b3Float4 m_localPosA[4];\n" -"// b3Float4 m_localPosB[4];\n" -" b3Float4 m_worldNormalOnB; // w: m_nPoints\n" -" unsigned short m_restituitionCoeffCmp;\n" -" unsigned short m_frictionCoeffCmp;\n" -" int m_batchIdx;\n" -" int m_bodyAPtrAndSignBit;//x:m_bodyAPtr, y:m_bodyBPtr\n" -" int m_bodyBPtrAndSignBit;\n" -" int m_childIndexA;\n" -" int m_childIndexB;\n" -" int m_unused1;\n" -" int m_unused2;\n" -"};\n" -"inline int b3Contact4Data_getNumPoints(const struct b3Contact4Data* contact)\n" -"{\n" -" return (int)contact->m_worldNormalOnB.w;\n" -"};\n" -"inline void b3Contact4Data_setNumPoints(struct b3Contact4Data* contact, int numPoints)\n" -"{\n" -" contact->m_worldNormalOnB.w = (float)numPoints;\n" -"};\n" -"#endif //B3_CONTACT4DATA_H\n" -"#define AppendInc(x, out) out = atomic_inc(x)\n" -"#define GET_NPOINTS(x) (x).m_worldNormalOnB.w\n" -"#ifdef cl_ext_atomic_counters_32\n" -" #pragma OPENCL EXTENSION cl_ext_atomic_counters_32 : enable\n" -"#else\n" -" #define counter32_t volatile __global int*\n" -"#endif\n" -"__kernel void mprPenetrationKernel( __global int4* pairs,\n" -" __global const b3RigidBodyData_t* rigidBodies, \n" -" __global const b3Collidable_t* collidables,\n" -" __global const b3ConvexPolyhedronData_t* convexShapes, \n" -" __global const float4* vertices,\n" -" __global float4* separatingNormals,\n" -" __global int* hasSeparatingAxis,\n" -" __global struct b3Contact4Data* restrict globalContactsOut,\n" -" counter32_t nGlobalContactsOut,\n" -" int contactCapacity,\n" -" int numPairs)\n" -"{\n" -" int i = get_global_id(0);\n" -" int pairIndex = i;\n" -" if (i<numPairs)\n" -" {\n" -" int bodyIndexA = pairs[i].x;\n" -" int bodyIndexB = pairs[i].y;\n" -" int collidableIndexA = rigidBodies[bodyIndexA].m_collidableIdx;\n" -" int collidableIndexB = rigidBodies[bodyIndexB].m_collidableIdx;\n" -" \n" -" int shapeIndexA = collidables[collidableIndexA].m_shapeIndex;\n" -" int shapeIndexB = collidables[collidableIndexB].m_shapeIndex;\n" -" \n" -" \n" -" //once the broadphase avoids static-static pairs, we can remove this test\n" -" if ((rigidBodies[bodyIndexA].m_invMass==0) &&(rigidBodies[bodyIndexB].m_invMass==0))\n" -" {\n" -" return;\n" -" }\n" -" \n" -" if ((collidables[collidableIndexA].m_shapeType!=SHAPE_CONVEX_HULL) ||(collidables[collidableIndexB].m_shapeType!=SHAPE_CONVEX_HULL))\n" -" {\n" -" return;\n" -" }\n" -" float depthOut;\n" -" b3Float4 dirOut;\n" -" b3Float4 posOut;\n" -" int res = b3MprPenetration(pairIndex, bodyIndexA, bodyIndexB,rigidBodies,convexShapes,collidables,vertices,separatingNormals,hasSeparatingAxis,&depthOut, &dirOut, &posOut);\n" -" \n" -" \n" -" \n" -" \n" -" if (res==0)\n" -" {\n" -" //add a contact\n" -" int dstIdx;\n" -" AppendInc( nGlobalContactsOut, dstIdx );\n" -" if (dstIdx<contactCapacity)\n" -" {\n" -" pairs[pairIndex].z = dstIdx;\n" -" __global struct b3Contact4Data* c = globalContactsOut + dstIdx;\n" -" c->m_worldNormalOnB = -dirOut;//normal;\n" -" c->m_restituitionCoeffCmp = (0.f*0xffff);c->m_frictionCoeffCmp = (0.7f*0xffff);\n" -" c->m_batchIdx = pairIndex;\n" -" int bodyA = pairs[pairIndex].x;\n" -" int bodyB = pairs[pairIndex].y;\n" -" c->m_bodyAPtrAndSignBit = rigidBodies[bodyA].m_invMass==0 ? -bodyA:bodyA;\n" -" c->m_bodyBPtrAndSignBit = rigidBodies[bodyB].m_invMass==0 ? -bodyB:bodyB;\n" -" c->m_childIndexA = -1;\n" -" c->m_childIndexB = -1;\n" -" //for (int i=0;i<nContacts;i++)\n" -" posOut.w = -depthOut;\n" -" c->m_worldPosB[0] = posOut;//localPoints[contactIdx[i]];\n" -" GET_NPOINTS(*c) = 1;//nContacts;\n" -" }\n" -" }\n" -" }\n" -"}\n" -"typedef float4 Quaternion;\n" -"#define make_float4 (float4)\n" -"__inline\n" -"float dot3F4(float4 a, float4 b)\n" -"{\n" -" float4 a1 = make_float4(a.xyz,0.f);\n" -" float4 b1 = make_float4(b.xyz,0.f);\n" -" return dot(a1, b1);\n" -"}\n" -"__inline\n" -"float4 cross3(float4 a, float4 b)\n" -"{\n" -" return cross(a,b);\n" -"}\n" -"__inline\n" -"Quaternion qtMul(Quaternion a, Quaternion b)\n" -"{\n" -" Quaternion ans;\n" -" ans = cross3( a, b );\n" -" ans += a.w*b+b.w*a;\n" -"// ans.w = a.w*b.w - (a.x*b.x+a.y*b.y+a.z*b.z);\n" -" ans.w = a.w*b.w - dot3F4(a, b);\n" -" return ans;\n" -"}\n" -"__inline\n" -"Quaternion qtInvert(Quaternion q)\n" -"{\n" -" return (Quaternion)(-q.xyz, q.w);\n" -"}\n" -"__inline\n" -"float4 qtRotate(Quaternion q, float4 vec)\n" -"{\n" -" Quaternion qInv = qtInvert( q );\n" -" float4 vcpy = vec;\n" -" vcpy.w = 0.f;\n" -" float4 out = qtMul(qtMul(q,vcpy),qInv);\n" -" return out;\n" -"}\n" -"__inline\n" -"float4 transform(const float4* p, const float4* translation, const Quaternion* orientation)\n" -"{\n" -" return qtRotate( *orientation, *p ) + (*translation);\n" -"}\n" -"__inline\n" -"float4 qtInvRotate(const Quaternion q, float4 vec)\n" -"{\n" -" return qtRotate( qtInvert( q ), vec );\n" -"}\n" -"inline void project(__global const b3ConvexPolyhedronData_t* hull, const float4 pos, const float4 orn, \n" -"const float4* dir, __global const float4* vertices, float* min, float* max)\n" -"{\n" -" min[0] = FLT_MAX;\n" -" max[0] = -FLT_MAX;\n" -" int numVerts = hull->m_numVertices;\n" -" const float4 localDir = qtInvRotate(orn,*dir);\n" -" float offset = dot(pos,*dir);\n" -" for(int i=0;i<numVerts;i++)\n" -" {\n" -" float dp = dot(vertices[hull->m_vertexOffset+i],localDir);\n" -" if(dp < min[0]) \n" -" min[0] = dp;\n" -" if(dp > max[0]) \n" -" max[0] = dp;\n" -" }\n" -" if(min[0]>max[0])\n" -" {\n" -" float tmp = min[0];\n" -" min[0] = max[0];\n" -" max[0] = tmp;\n" -" }\n" -" min[0] += offset;\n" -" max[0] += offset;\n" -"}\n" -"bool findSeparatingAxisUnitSphere( __global const b3ConvexPolyhedronData_t* hullA, __global const b3ConvexPolyhedronData_t* hullB, \n" -" const float4 posA1,\n" -" const float4 ornA,\n" -" const float4 posB1,\n" -" const float4 ornB,\n" -" const float4 DeltaC2,\n" -" __global const float4* vertices,\n" -" __global const float4* unitSphereDirections,\n" -" int numUnitSphereDirections,\n" -" float4* sep,\n" -" float* dmin)\n" -"{\n" -" \n" -" float4 posA = posA1;\n" -" posA.w = 0.f;\n" -" float4 posB = posB1;\n" -" posB.w = 0.f;\n" -" int curPlaneTests=0;\n" -" int curEdgeEdge = 0;\n" -" // Test unit sphere directions\n" -" for (int i=0;i<numUnitSphereDirections;i++)\n" -" {\n" -" float4 crossje;\n" -" crossje = unitSphereDirections[i]; \n" -" if (dot3F4(DeltaC2,crossje)>0)\n" -" crossje *= -1.f;\n" -" {\n" -" float dist;\n" -" bool result = true;\n" -" float Min0,Max0;\n" -" float Min1,Max1;\n" -" project(hullA,posA,ornA,&crossje,vertices, &Min0, &Max0);\n" -" project(hullB,posB,ornB,&crossje,vertices, &Min1, &Max1);\n" -" \n" -" if(Max0<Min1 || Max1<Min0)\n" -" return false;\n" -" \n" -" float d0 = Max0 - Min1;\n" -" float d1 = Max1 - Min0;\n" -" dist = d0<d1 ? d0:d1;\n" -" result = true;\n" -" \n" -" if(dist<*dmin)\n" -" {\n" -" *dmin = dist;\n" -" *sep = crossje;\n" -" }\n" -" }\n" -" }\n" -" \n" -" if((dot3F4(-DeltaC2,*sep))>0.0f)\n" -" {\n" -" *sep = -(*sep);\n" -" }\n" -" return true;\n" -"}\n" -"__kernel void findSeparatingAxisUnitSphereKernel( __global const int4* pairs, \n" -" __global const b3RigidBodyData_t* rigidBodies, \n" -" __global const b3Collidable_t* collidables,\n" -" __global const b3ConvexPolyhedronData_t* convexShapes, \n" -" __global const float4* vertices,\n" -" __global const float4* unitSphereDirections,\n" -" __global float4* separatingNormals,\n" -" __global int* hasSeparatingAxis,\n" -" __global float* dmins,\n" -" int numUnitSphereDirections,\n" -" int numPairs\n" -" )\n" -"{\n" -" int i = get_global_id(0);\n" -" \n" -" if (i<numPairs)\n" -" {\n" -" if (hasSeparatingAxis[i])\n" -" {\n" -" \n" -" int bodyIndexA = pairs[i].x;\n" -" int bodyIndexB = pairs[i].y;\n" -" \n" -" int collidableIndexA = rigidBodies[bodyIndexA].m_collidableIdx;\n" -" int collidableIndexB = rigidBodies[bodyIndexB].m_collidableIdx;\n" -" \n" -" int shapeIndexA = collidables[collidableIndexA].m_shapeIndex;\n" -" int shapeIndexB = collidables[collidableIndexB].m_shapeIndex;\n" -" \n" -" \n" -" int numFacesA = convexShapes[shapeIndexA].m_numFaces;\n" -" \n" -" float dmin = dmins[i];\n" -" \n" -" float4 posA = rigidBodies[bodyIndexA].m_pos;\n" -" posA.w = 0.f;\n" -" float4 posB = rigidBodies[bodyIndexB].m_pos;\n" -" posB.w = 0.f;\n" -" float4 c0local = convexShapes[shapeIndexA].m_localCenter;\n" -" float4 ornA = rigidBodies[bodyIndexA].m_quat;\n" -" float4 c0 = transform(&c0local, &posA, &ornA);\n" -" float4 c1local = convexShapes[shapeIndexB].m_localCenter;\n" -" float4 ornB =rigidBodies[bodyIndexB].m_quat;\n" -" float4 c1 = transform(&c1local,&posB,&ornB);\n" -" const float4 DeltaC2 = c0 - c1;\n" -" float4 sepNormal = separatingNormals[i];\n" -" \n" -" int numEdgeEdgeDirections = convexShapes[shapeIndexA].m_numUniqueEdges*convexShapes[shapeIndexB].m_numUniqueEdges;\n" -" if (numEdgeEdgeDirections>numUnitSphereDirections)\n" -" {\n" -" bool sepEE = findSeparatingAxisUnitSphere( &convexShapes[shapeIndexA], &convexShapes[shapeIndexB],posA,ornA,\n" -" posB,ornB,\n" -" DeltaC2,\n" -" vertices,unitSphereDirections,numUnitSphereDirections,&sepNormal,&dmin);\n" -" if (!sepEE)\n" -" {\n" -" hasSeparatingAxis[i] = 0;\n" -" } else\n" -" {\n" -" hasSeparatingAxis[i] = 1;\n" -" separatingNormals[i] = sepNormal;\n" -" }\n" -" }\n" -" } //if (hasSeparatingAxis[i])\n" -" }//(i<numPairs)\n" -"}\n" -; +static const char* mprKernelsCL = + "/***\n" + " * ---------------------------------\n" + " * Copyright (c)2012 Daniel Fiser <danfis@danfis.cz>\n" + " *\n" + " * This file was ported from mpr.c file, part of libccd.\n" + " * The Minkoski Portal Refinement implementation was ported \n" + " * to OpenCL by Erwin Coumans for the Bullet 3 Physics library.\n" + " * at http://github.com/erwincoumans/bullet3\n" + " *\n" + " * Distributed under the OSI-approved BSD License (the \"License\");\n" + " * see <http://www.opensource.org/licenses/bsd-license.php>.\n" + " * This software is distributed WITHOUT ANY WARRANTY; without even the\n" + " * implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n" + " * See the License for more information.\n" + " */\n" + "#ifndef B3_MPR_PENETRATION_H\n" + "#define B3_MPR_PENETRATION_H\n" + "#ifndef B3_PLATFORM_DEFINITIONS_H\n" + "#define B3_PLATFORM_DEFINITIONS_H\n" + "struct MyTest\n" + "{\n" + " int bla;\n" + "};\n" + "#ifdef __cplusplus\n" + "#else\n" + "//keep B3_LARGE_FLOAT*B3_LARGE_FLOAT < FLT_MAX\n" + "#define B3_LARGE_FLOAT 1e18f\n" + "#define B3_INFINITY 1e18f\n" + "#define b3Assert(a)\n" + "#define b3ConstArray(a) __global const a*\n" + "#define b3AtomicInc atomic_inc\n" + "#define b3AtomicAdd atomic_add\n" + "#define b3Fabs fabs\n" + "#define b3Sqrt native_sqrt\n" + "#define b3Sin native_sin\n" + "#define b3Cos native_cos\n" + "#define B3_STATIC\n" + "#endif\n" + "#endif\n" + "#ifndef B3_FLOAT4_H\n" + "#define B3_FLOAT4_H\n" + "#ifndef B3_PLATFORM_DEFINITIONS_H\n" + "#ifdef __cplusplus\n" + "#else\n" + "#endif\n" + "#endif\n" + "#ifdef __cplusplus\n" + "#else\n" + " typedef float4 b3Float4;\n" + " #define b3Float4ConstArg const b3Float4\n" + " #define b3MakeFloat4 (float4)\n" + " float b3Dot3F4(b3Float4ConstArg v0,b3Float4ConstArg v1)\n" + " {\n" + " float4 a1 = b3MakeFloat4(v0.xyz,0.f);\n" + " float4 b1 = b3MakeFloat4(v1.xyz,0.f);\n" + " return dot(a1, b1);\n" + " }\n" + " b3Float4 b3Cross3(b3Float4ConstArg v0,b3Float4ConstArg v1)\n" + " {\n" + " float4 a1 = b3MakeFloat4(v0.xyz,0.f);\n" + " float4 b1 = b3MakeFloat4(v1.xyz,0.f);\n" + " return cross(a1, b1);\n" + " }\n" + " #define b3MinFloat4 min\n" + " #define b3MaxFloat4 max\n" + " #define b3Normalized(a) normalize(a)\n" + "#endif \n" + " \n" + "inline bool b3IsAlmostZero(b3Float4ConstArg v)\n" + "{\n" + " if(b3Fabs(v.x)>1e-6 || b3Fabs(v.y)>1e-6 || b3Fabs(v.z)>1e-6) \n" + " return false;\n" + " return true;\n" + "}\n" + "inline int b3MaxDot( b3Float4ConstArg vec, __global const b3Float4* vecArray, int vecLen, float* dotOut )\n" + "{\n" + " float maxDot = -B3_INFINITY;\n" + " int i = 0;\n" + " int ptIndex = -1;\n" + " for( i = 0; i < vecLen; i++ )\n" + " {\n" + " float dot = b3Dot3F4(vecArray[i],vec);\n" + " \n" + " if( dot > maxDot )\n" + " {\n" + " maxDot = dot;\n" + " ptIndex = i;\n" + " }\n" + " }\n" + " b3Assert(ptIndex>=0);\n" + " if (ptIndex<0)\n" + " {\n" + " ptIndex = 0;\n" + " }\n" + " *dotOut = maxDot;\n" + " return ptIndex;\n" + "}\n" + "#endif //B3_FLOAT4_H\n" + "#ifndef B3_RIGIDBODY_DATA_H\n" + "#define B3_RIGIDBODY_DATA_H\n" + "#ifndef B3_FLOAT4_H\n" + "#ifdef __cplusplus\n" + "#else\n" + "#endif \n" + "#endif //B3_FLOAT4_H\n" + "#ifndef B3_QUAT_H\n" + "#define B3_QUAT_H\n" + "#ifndef B3_PLATFORM_DEFINITIONS_H\n" + "#ifdef __cplusplus\n" + "#else\n" + "#endif\n" + "#endif\n" + "#ifndef B3_FLOAT4_H\n" + "#ifdef __cplusplus\n" + "#else\n" + "#endif \n" + "#endif //B3_FLOAT4_H\n" + "#ifdef __cplusplus\n" + "#else\n" + " typedef float4 b3Quat;\n" + " #define b3QuatConstArg const b3Quat\n" + " \n" + " \n" + "inline float4 b3FastNormalize4(float4 v)\n" + "{\n" + " v = (float4)(v.xyz,0.f);\n" + " return fast_normalize(v);\n" + "}\n" + " \n" + "inline b3Quat b3QuatMul(b3Quat a, b3Quat b);\n" + "inline b3Quat b3QuatNormalized(b3QuatConstArg in);\n" + "inline b3Quat b3QuatRotate(b3QuatConstArg q, b3QuatConstArg vec);\n" + "inline b3Quat b3QuatInvert(b3QuatConstArg q);\n" + "inline b3Quat b3QuatInverse(b3QuatConstArg q);\n" + "inline b3Quat b3QuatMul(b3QuatConstArg a, b3QuatConstArg b)\n" + "{\n" + " b3Quat ans;\n" + " ans = b3Cross3( a, b );\n" + " ans += a.w*b+b.w*a;\n" + "// ans.w = a.w*b.w - (a.x*b.x+a.y*b.y+a.z*b.z);\n" + " ans.w = a.w*b.w - b3Dot3F4(a, b);\n" + " return ans;\n" + "}\n" + "inline b3Quat b3QuatNormalized(b3QuatConstArg in)\n" + "{\n" + " b3Quat q;\n" + " q=in;\n" + " //return b3FastNormalize4(in);\n" + " float len = native_sqrt(dot(q, q));\n" + " if(len > 0.f)\n" + " {\n" + " q *= 1.f / len;\n" + " }\n" + " else\n" + " {\n" + " q.x = q.y = q.z = 0.f;\n" + " q.w = 1.f;\n" + " }\n" + " return q;\n" + "}\n" + "inline float4 b3QuatRotate(b3QuatConstArg q, b3QuatConstArg vec)\n" + "{\n" + " b3Quat qInv = b3QuatInvert( q );\n" + " float4 vcpy = vec;\n" + " vcpy.w = 0.f;\n" + " float4 out = b3QuatMul(b3QuatMul(q,vcpy),qInv);\n" + " return out;\n" + "}\n" + "inline b3Quat b3QuatInverse(b3QuatConstArg q)\n" + "{\n" + " return (b3Quat)(-q.xyz, q.w);\n" + "}\n" + "inline b3Quat b3QuatInvert(b3QuatConstArg q)\n" + "{\n" + " return (b3Quat)(-q.xyz, q.w);\n" + "}\n" + "inline float4 b3QuatInvRotate(b3QuatConstArg q, b3QuatConstArg vec)\n" + "{\n" + " return b3QuatRotate( b3QuatInvert( q ), vec );\n" + "}\n" + "inline b3Float4 b3TransformPoint(b3Float4ConstArg point, b3Float4ConstArg translation, b3QuatConstArg orientation)\n" + "{\n" + " return b3QuatRotate( orientation, point ) + (translation);\n" + "}\n" + " \n" + "#endif \n" + "#endif //B3_QUAT_H\n" + "#ifndef B3_MAT3x3_H\n" + "#define B3_MAT3x3_H\n" + "#ifndef B3_QUAT_H\n" + "#ifdef __cplusplus\n" + "#else\n" + "#endif \n" + "#endif //B3_QUAT_H\n" + "#ifdef __cplusplus\n" + "#else\n" + "typedef struct\n" + "{\n" + " b3Float4 m_row[3];\n" + "}b3Mat3x3;\n" + "#define b3Mat3x3ConstArg const b3Mat3x3\n" + "#define b3GetRow(m,row) (m.m_row[row])\n" + "inline b3Mat3x3 b3QuatGetRotationMatrix(b3Quat quat)\n" + "{\n" + " b3Float4 quat2 = (b3Float4)(quat.x*quat.x, quat.y*quat.y, quat.z*quat.z, 0.f);\n" + " b3Mat3x3 out;\n" + " out.m_row[0].x=1-2*quat2.y-2*quat2.z;\n" + " out.m_row[0].y=2*quat.x*quat.y-2*quat.w*quat.z;\n" + " out.m_row[0].z=2*quat.x*quat.z+2*quat.w*quat.y;\n" + " out.m_row[0].w = 0.f;\n" + " out.m_row[1].x=2*quat.x*quat.y+2*quat.w*quat.z;\n" + " out.m_row[1].y=1-2*quat2.x-2*quat2.z;\n" + " out.m_row[1].z=2*quat.y*quat.z-2*quat.w*quat.x;\n" + " out.m_row[1].w = 0.f;\n" + " out.m_row[2].x=2*quat.x*quat.z-2*quat.w*quat.y;\n" + " out.m_row[2].y=2*quat.y*quat.z+2*quat.w*quat.x;\n" + " out.m_row[2].z=1-2*quat2.x-2*quat2.y;\n" + " out.m_row[2].w = 0.f;\n" + " return out;\n" + "}\n" + "inline b3Mat3x3 b3AbsoluteMat3x3(b3Mat3x3ConstArg matIn)\n" + "{\n" + " b3Mat3x3 out;\n" + " out.m_row[0] = fabs(matIn.m_row[0]);\n" + " out.m_row[1] = fabs(matIn.m_row[1]);\n" + " out.m_row[2] = fabs(matIn.m_row[2]);\n" + " return out;\n" + "}\n" + "__inline\n" + "b3Mat3x3 mtZero();\n" + "__inline\n" + "b3Mat3x3 mtIdentity();\n" + "__inline\n" + "b3Mat3x3 mtTranspose(b3Mat3x3 m);\n" + "__inline\n" + "b3Mat3x3 mtMul(b3Mat3x3 a, b3Mat3x3 b);\n" + "__inline\n" + "b3Float4 mtMul1(b3Mat3x3 a, b3Float4 b);\n" + "__inline\n" + "b3Float4 mtMul3(b3Float4 a, b3Mat3x3 b);\n" + "__inline\n" + "b3Mat3x3 mtZero()\n" + "{\n" + " b3Mat3x3 m;\n" + " m.m_row[0] = (b3Float4)(0.f);\n" + " m.m_row[1] = (b3Float4)(0.f);\n" + " m.m_row[2] = (b3Float4)(0.f);\n" + " return m;\n" + "}\n" + "__inline\n" + "b3Mat3x3 mtIdentity()\n" + "{\n" + " b3Mat3x3 m;\n" + " m.m_row[0] = (b3Float4)(1,0,0,0);\n" + " m.m_row[1] = (b3Float4)(0,1,0,0);\n" + " m.m_row[2] = (b3Float4)(0,0,1,0);\n" + " return m;\n" + "}\n" + "__inline\n" + "b3Mat3x3 mtTranspose(b3Mat3x3 m)\n" + "{\n" + " b3Mat3x3 out;\n" + " out.m_row[0] = (b3Float4)(m.m_row[0].x, m.m_row[1].x, m.m_row[2].x, 0.f);\n" + " out.m_row[1] = (b3Float4)(m.m_row[0].y, m.m_row[1].y, m.m_row[2].y, 0.f);\n" + " out.m_row[2] = (b3Float4)(m.m_row[0].z, m.m_row[1].z, m.m_row[2].z, 0.f);\n" + " return out;\n" + "}\n" + "__inline\n" + "b3Mat3x3 mtMul(b3Mat3x3 a, b3Mat3x3 b)\n" + "{\n" + " b3Mat3x3 transB;\n" + " transB = mtTranspose( b );\n" + " b3Mat3x3 ans;\n" + " // why this doesn't run when 0ing in the for{}\n" + " a.m_row[0].w = 0.f;\n" + " a.m_row[1].w = 0.f;\n" + " a.m_row[2].w = 0.f;\n" + " for(int i=0; i<3; i++)\n" + " {\n" + "// a.m_row[i].w = 0.f;\n" + " ans.m_row[i].x = b3Dot3F4(a.m_row[i],transB.m_row[0]);\n" + " ans.m_row[i].y = b3Dot3F4(a.m_row[i],transB.m_row[1]);\n" + " ans.m_row[i].z = b3Dot3F4(a.m_row[i],transB.m_row[2]);\n" + " ans.m_row[i].w = 0.f;\n" + " }\n" + " return ans;\n" + "}\n" + "__inline\n" + "b3Float4 mtMul1(b3Mat3x3 a, b3Float4 b)\n" + "{\n" + " b3Float4 ans;\n" + " ans.x = b3Dot3F4( a.m_row[0], b );\n" + " ans.y = b3Dot3F4( a.m_row[1], b );\n" + " ans.z = b3Dot3F4( a.m_row[2], b );\n" + " ans.w = 0.f;\n" + " return ans;\n" + "}\n" + "__inline\n" + "b3Float4 mtMul3(b3Float4 a, b3Mat3x3 b)\n" + "{\n" + " b3Float4 colx = b3MakeFloat4(b.m_row[0].x, b.m_row[1].x, b.m_row[2].x, 0);\n" + " b3Float4 coly = b3MakeFloat4(b.m_row[0].y, b.m_row[1].y, b.m_row[2].y, 0);\n" + " b3Float4 colz = b3MakeFloat4(b.m_row[0].z, b.m_row[1].z, b.m_row[2].z, 0);\n" + " b3Float4 ans;\n" + " ans.x = b3Dot3F4( a, colx );\n" + " ans.y = b3Dot3F4( a, coly );\n" + " ans.z = b3Dot3F4( a, colz );\n" + " return ans;\n" + "}\n" + "#endif\n" + "#endif //B3_MAT3x3_H\n" + "typedef struct b3RigidBodyData b3RigidBodyData_t;\n" + "struct b3RigidBodyData\n" + "{\n" + " b3Float4 m_pos;\n" + " b3Quat m_quat;\n" + " b3Float4 m_linVel;\n" + " b3Float4 m_angVel;\n" + " int m_collidableIdx;\n" + " float m_invMass;\n" + " float m_restituitionCoeff;\n" + " float m_frictionCoeff;\n" + "};\n" + "typedef struct b3InertiaData b3InertiaData_t;\n" + "struct b3InertiaData\n" + "{\n" + " b3Mat3x3 m_invInertiaWorld;\n" + " b3Mat3x3 m_initInvInertia;\n" + "};\n" + "#endif //B3_RIGIDBODY_DATA_H\n" + " \n" + "#ifndef B3_CONVEX_POLYHEDRON_DATA_H\n" + "#define B3_CONVEX_POLYHEDRON_DATA_H\n" + "#ifndef B3_FLOAT4_H\n" + "#ifdef __cplusplus\n" + "#else\n" + "#endif \n" + "#endif //B3_FLOAT4_H\n" + "#ifndef B3_QUAT_H\n" + "#ifdef __cplusplus\n" + "#else\n" + "#endif \n" + "#endif //B3_QUAT_H\n" + "typedef struct b3GpuFace b3GpuFace_t;\n" + "struct b3GpuFace\n" + "{\n" + " b3Float4 m_plane;\n" + " int m_indexOffset;\n" + " int m_numIndices;\n" + " int m_unusedPadding1;\n" + " int m_unusedPadding2;\n" + "};\n" + "typedef struct b3ConvexPolyhedronData b3ConvexPolyhedronData_t;\n" + "struct b3ConvexPolyhedronData\n" + "{\n" + " b3Float4 m_localCenter;\n" + " b3Float4 m_extents;\n" + " b3Float4 mC;\n" + " b3Float4 mE;\n" + " float m_radius;\n" + " int m_faceOffset;\n" + " int m_numFaces;\n" + " int m_numVertices;\n" + " int m_vertexOffset;\n" + " int m_uniqueEdgesOffset;\n" + " int m_numUniqueEdges;\n" + " int m_unused;\n" + "};\n" + "#endif //B3_CONVEX_POLYHEDRON_DATA_H\n" + "#ifndef B3_COLLIDABLE_H\n" + "#define B3_COLLIDABLE_H\n" + "#ifndef B3_FLOAT4_H\n" + "#ifdef __cplusplus\n" + "#else\n" + "#endif \n" + "#endif //B3_FLOAT4_H\n" + "#ifndef B3_QUAT_H\n" + "#ifdef __cplusplus\n" + "#else\n" + "#endif \n" + "#endif //B3_QUAT_H\n" + "enum b3ShapeTypes\n" + "{\n" + " SHAPE_HEIGHT_FIELD=1,\n" + " SHAPE_CONVEX_HULL=3,\n" + " SHAPE_PLANE=4,\n" + " SHAPE_CONCAVE_TRIMESH=5,\n" + " SHAPE_COMPOUND_OF_CONVEX_HULLS=6,\n" + " SHAPE_SPHERE=7,\n" + " MAX_NUM_SHAPE_TYPES,\n" + "};\n" + "typedef struct b3Collidable b3Collidable_t;\n" + "struct b3Collidable\n" + "{\n" + " union {\n" + " int m_numChildShapes;\n" + " int m_bvhIndex;\n" + " };\n" + " union\n" + " {\n" + " float m_radius;\n" + " int m_compoundBvhIndex;\n" + " };\n" + " int m_shapeType;\n" + " int m_shapeIndex;\n" + "};\n" + "typedef struct b3GpuChildShape b3GpuChildShape_t;\n" + "struct b3GpuChildShape\n" + "{\n" + " b3Float4 m_childPosition;\n" + " b3Quat m_childOrientation;\n" + " int m_shapeIndex;\n" + " int m_unused0;\n" + " int m_unused1;\n" + " int m_unused2;\n" + "};\n" + "struct b3CompoundOverlappingPair\n" + "{\n" + " int m_bodyIndexA;\n" + " int m_bodyIndexB;\n" + "// int m_pairType;\n" + " int m_childShapeIndexA;\n" + " int m_childShapeIndexB;\n" + "};\n" + "#endif //B3_COLLIDABLE_H\n" + "#ifdef __cplusplus\n" + "#else\n" + "#define B3_MPR_SQRT sqrt\n" + "#endif\n" + "#define B3_MPR_FMIN(x, y) ((x) < (y) ? (x) : (y))\n" + "#define B3_MPR_FABS fabs\n" + "#define B3_MPR_TOLERANCE 1E-6f\n" + "#define B3_MPR_MAX_ITERATIONS 1000\n" + "struct _b3MprSupport_t \n" + "{\n" + " b3Float4 v; //!< Support point in minkowski sum\n" + " b3Float4 v1; //!< Support point in obj1\n" + " b3Float4 v2; //!< Support point in obj2\n" + "};\n" + "typedef struct _b3MprSupport_t b3MprSupport_t;\n" + "struct _b3MprSimplex_t \n" + "{\n" + " b3MprSupport_t ps[4];\n" + " int last; //!< index of last added point\n" + "};\n" + "typedef struct _b3MprSimplex_t b3MprSimplex_t;\n" + "inline b3MprSupport_t* b3MprSimplexPointW(b3MprSimplex_t *s, int idx)\n" + "{\n" + " return &s->ps[idx];\n" + "}\n" + "inline void b3MprSimplexSetSize(b3MprSimplex_t *s, int size)\n" + "{\n" + " s->last = size - 1;\n" + "}\n" + "inline int b3MprSimplexSize(const b3MprSimplex_t *s)\n" + "{\n" + " return s->last + 1;\n" + "}\n" + "inline const b3MprSupport_t* b3MprSimplexPoint(const b3MprSimplex_t* s, int idx)\n" + "{\n" + " // here is no check on boundaries\n" + " return &s->ps[idx];\n" + "}\n" + "inline void b3MprSupportCopy(b3MprSupport_t *d, const b3MprSupport_t *s)\n" + "{\n" + " *d = *s;\n" + "}\n" + "inline void b3MprSimplexSet(b3MprSimplex_t *s, size_t pos, const b3MprSupport_t *a)\n" + "{\n" + " b3MprSupportCopy(s->ps + pos, a);\n" + "}\n" + "inline void b3MprSimplexSwap(b3MprSimplex_t *s, size_t pos1, size_t pos2)\n" + "{\n" + " b3MprSupport_t supp;\n" + " b3MprSupportCopy(&supp, &s->ps[pos1]);\n" + " b3MprSupportCopy(&s->ps[pos1], &s->ps[pos2]);\n" + " b3MprSupportCopy(&s->ps[pos2], &supp);\n" + "}\n" + "inline int b3MprIsZero(float val)\n" + "{\n" + " return B3_MPR_FABS(val) < FLT_EPSILON;\n" + "}\n" + "inline int b3MprEq(float _a, float _b)\n" + "{\n" + " float ab;\n" + " float a, b;\n" + " ab = B3_MPR_FABS(_a - _b);\n" + " if (B3_MPR_FABS(ab) < FLT_EPSILON)\n" + " return 1;\n" + " a = B3_MPR_FABS(_a);\n" + " b = B3_MPR_FABS(_b);\n" + " if (b > a){\n" + " return ab < FLT_EPSILON * b;\n" + " }else{\n" + " return ab < FLT_EPSILON * a;\n" + " }\n" + "}\n" + "inline int b3MprVec3Eq(const b3Float4* a, const b3Float4 *b)\n" + "{\n" + " return b3MprEq((*a).x, (*b).x)\n" + " && b3MprEq((*a).y, (*b).y)\n" + " && b3MprEq((*a).z, (*b).z);\n" + "}\n" + "inline b3Float4 b3LocalGetSupportVertex(b3Float4ConstArg supportVec,__global const b3ConvexPolyhedronData_t* hull, b3ConstArray(b3Float4) verticesA)\n" + "{\n" + " b3Float4 supVec = b3MakeFloat4(0,0,0,0);\n" + " float maxDot = -B3_LARGE_FLOAT;\n" + " if( 0 < hull->m_numVertices )\n" + " {\n" + " const b3Float4 scaled = supportVec;\n" + " int index = b3MaxDot(scaled, &verticesA[hull->m_vertexOffset], hull->m_numVertices, &maxDot);\n" + " return verticesA[hull->m_vertexOffset+index];\n" + " }\n" + " return supVec;\n" + "}\n" + "B3_STATIC void b3MprConvexSupport(int pairIndex,int bodyIndex, b3ConstArray(b3RigidBodyData_t) cpuBodyBuf, \n" + " b3ConstArray(b3ConvexPolyhedronData_t) cpuConvexData, \n" + " b3ConstArray(b3Collidable_t) cpuCollidables,\n" + " b3ConstArray(b3Float4) cpuVertices,\n" + " __global b3Float4* sepAxis,\n" + " const b3Float4* _dir, b3Float4* outp, int logme)\n" + "{\n" + " //dir is in worldspace, move to local space\n" + " \n" + " b3Float4 pos = cpuBodyBuf[bodyIndex].m_pos;\n" + " b3Quat orn = cpuBodyBuf[bodyIndex].m_quat;\n" + " \n" + " b3Float4 dir = b3MakeFloat4((*_dir).x,(*_dir).y,(*_dir).z,0.f);\n" + " \n" + " const b3Float4 localDir = b3QuatRotate(b3QuatInverse(orn),dir);\n" + " \n" + " //find local support vertex\n" + " int colIndex = cpuBodyBuf[bodyIndex].m_collidableIdx;\n" + " \n" + " b3Assert(cpuCollidables[colIndex].m_shapeType==SHAPE_CONVEX_HULL);\n" + " __global const b3ConvexPolyhedronData_t* hull = &cpuConvexData[cpuCollidables[colIndex].m_shapeIndex];\n" + " \n" + " b3Float4 pInA;\n" + " if (logme)\n" + " {\n" + " b3Float4 supVec = b3MakeFloat4(0,0,0,0);\n" + " float maxDot = -B3_LARGE_FLOAT;\n" + " if( 0 < hull->m_numVertices )\n" + " {\n" + " const b3Float4 scaled = localDir;\n" + " int index = b3MaxDot(scaled, &cpuVertices[hull->m_vertexOffset], hull->m_numVertices, &maxDot);\n" + " pInA = cpuVertices[hull->m_vertexOffset+index];\n" + " \n" + " }\n" + " } else\n" + " {\n" + " pInA = b3LocalGetSupportVertex(localDir,hull,cpuVertices);\n" + " }\n" + " //move vertex to world space\n" + " *outp = b3TransformPoint(pInA,pos,orn);\n" + " \n" + "}\n" + "inline void b3MprSupport(int pairIndex,int bodyIndexA, int bodyIndexB, b3ConstArray(b3RigidBodyData_t) cpuBodyBuf, \n" + " b3ConstArray(b3ConvexPolyhedronData_t) cpuConvexData, \n" + " b3ConstArray(b3Collidable_t) cpuCollidables,\n" + " b3ConstArray(b3Float4) cpuVertices,\n" + " __global b3Float4* sepAxis,\n" + " const b3Float4* _dir, b3MprSupport_t *supp)\n" + "{\n" + " b3Float4 dir;\n" + " dir = *_dir;\n" + " b3MprConvexSupport(pairIndex,bodyIndexA,cpuBodyBuf,cpuConvexData,cpuCollidables,cpuVertices,sepAxis,&dir, &supp->v1,0);\n" + " dir = *_dir*-1.f;\n" + " b3MprConvexSupport(pairIndex,bodyIndexB,cpuBodyBuf,cpuConvexData,cpuCollidables,cpuVertices,sepAxis,&dir, &supp->v2,0);\n" + " supp->v = supp->v1 - supp->v2;\n" + "}\n" + "inline void b3FindOrigin(int bodyIndexA, int bodyIndexB, b3ConstArray(b3RigidBodyData_t) cpuBodyBuf, b3MprSupport_t *center)\n" + "{\n" + " center->v1 = cpuBodyBuf[bodyIndexA].m_pos;\n" + " center->v2 = cpuBodyBuf[bodyIndexB].m_pos;\n" + " center->v = center->v1 - center->v2;\n" + "}\n" + "inline void b3MprVec3Set(b3Float4 *v, float x, float y, float z)\n" + "{\n" + " (*v).x = x;\n" + " (*v).y = y;\n" + " (*v).z = z;\n" + " (*v).w = 0.f;\n" + "}\n" + "inline void b3MprVec3Add(b3Float4 *v, const b3Float4 *w)\n" + "{\n" + " (*v).x += (*w).x;\n" + " (*v).y += (*w).y;\n" + " (*v).z += (*w).z;\n" + "}\n" + "inline void b3MprVec3Copy(b3Float4 *v, const b3Float4 *w)\n" + "{\n" + " *v = *w;\n" + "}\n" + "inline void b3MprVec3Scale(b3Float4 *d, float k)\n" + "{\n" + " *d *= k;\n" + "}\n" + "inline float b3MprVec3Dot(const b3Float4 *a, const b3Float4 *b)\n" + "{\n" + " float dot;\n" + " dot = b3Dot3F4(*a,*b);\n" + " return dot;\n" + "}\n" + "inline float b3MprVec3Len2(const b3Float4 *v)\n" + "{\n" + " return b3MprVec3Dot(v, v);\n" + "}\n" + "inline void b3MprVec3Normalize(b3Float4 *d)\n" + "{\n" + " float k = 1.f / B3_MPR_SQRT(b3MprVec3Len2(d));\n" + " b3MprVec3Scale(d, k);\n" + "}\n" + "inline void b3MprVec3Cross(b3Float4 *d, const b3Float4 *a, const b3Float4 *b)\n" + "{\n" + " *d = b3Cross3(*a,*b);\n" + " \n" + "}\n" + "inline void b3MprVec3Sub2(b3Float4 *d, const b3Float4 *v, const b3Float4 *w)\n" + "{\n" + " *d = *v - *w;\n" + "}\n" + "inline void b3PortalDir(const b3MprSimplex_t *portal, b3Float4 *dir)\n" + "{\n" + " b3Float4 v2v1, v3v1;\n" + " b3MprVec3Sub2(&v2v1, &b3MprSimplexPoint(portal, 2)->v,\n" + " &b3MprSimplexPoint(portal, 1)->v);\n" + " b3MprVec3Sub2(&v3v1, &b3MprSimplexPoint(portal, 3)->v,\n" + " &b3MprSimplexPoint(portal, 1)->v);\n" + " b3MprVec3Cross(dir, &v2v1, &v3v1);\n" + " b3MprVec3Normalize(dir);\n" + "}\n" + "inline int portalEncapsulesOrigin(const b3MprSimplex_t *portal,\n" + " const b3Float4 *dir)\n" + "{\n" + " float dot;\n" + " dot = b3MprVec3Dot(dir, &b3MprSimplexPoint(portal, 1)->v);\n" + " return b3MprIsZero(dot) || dot > 0.f;\n" + "}\n" + "inline int portalReachTolerance(const b3MprSimplex_t *portal,\n" + " const b3MprSupport_t *v4,\n" + " const b3Float4 *dir)\n" + "{\n" + " float dv1, dv2, dv3, dv4;\n" + " float dot1, dot2, dot3;\n" + " // find the smallest dot product of dir and {v1-v4, v2-v4, v3-v4}\n" + " dv1 = b3MprVec3Dot(&b3MprSimplexPoint(portal, 1)->v, dir);\n" + " dv2 = b3MprVec3Dot(&b3MprSimplexPoint(portal, 2)->v, dir);\n" + " dv3 = b3MprVec3Dot(&b3MprSimplexPoint(portal, 3)->v, dir);\n" + " dv4 = b3MprVec3Dot(&v4->v, dir);\n" + " dot1 = dv4 - dv1;\n" + " dot2 = dv4 - dv2;\n" + " dot3 = dv4 - dv3;\n" + " dot1 = B3_MPR_FMIN(dot1, dot2);\n" + " dot1 = B3_MPR_FMIN(dot1, dot3);\n" + " return b3MprEq(dot1, B3_MPR_TOLERANCE) || dot1 < B3_MPR_TOLERANCE;\n" + "}\n" + "inline int portalCanEncapsuleOrigin(const b3MprSimplex_t *portal, \n" + " const b3MprSupport_t *v4,\n" + " const b3Float4 *dir)\n" + "{\n" + " float dot;\n" + " dot = b3MprVec3Dot(&v4->v, dir);\n" + " return b3MprIsZero(dot) || dot > 0.f;\n" + "}\n" + "inline void b3ExpandPortal(b3MprSimplex_t *portal,\n" + " const b3MprSupport_t *v4)\n" + "{\n" + " float dot;\n" + " b3Float4 v4v0;\n" + " b3MprVec3Cross(&v4v0, &v4->v, &b3MprSimplexPoint(portal, 0)->v);\n" + " dot = b3MprVec3Dot(&b3MprSimplexPoint(portal, 1)->v, &v4v0);\n" + " if (dot > 0.f){\n" + " dot = b3MprVec3Dot(&b3MprSimplexPoint(portal, 2)->v, &v4v0);\n" + " if (dot > 0.f){\n" + " b3MprSimplexSet(portal, 1, v4);\n" + " }else{\n" + " b3MprSimplexSet(portal, 3, v4);\n" + " }\n" + " }else{\n" + " dot = b3MprVec3Dot(&b3MprSimplexPoint(portal, 3)->v, &v4v0);\n" + " if (dot > 0.f){\n" + " b3MprSimplexSet(portal, 2, v4);\n" + " }else{\n" + " b3MprSimplexSet(portal, 1, v4);\n" + " }\n" + " }\n" + "}\n" + "B3_STATIC int b3DiscoverPortal(int pairIndex, int bodyIndexA, int bodyIndexB, b3ConstArray(b3RigidBodyData_t) cpuBodyBuf, \n" + " b3ConstArray(b3ConvexPolyhedronData_t) cpuConvexData, \n" + " b3ConstArray(b3Collidable_t) cpuCollidables,\n" + " b3ConstArray(b3Float4) cpuVertices,\n" + " __global b3Float4* sepAxis,\n" + " __global int* hasSepAxis,\n" + " b3MprSimplex_t *portal)\n" + "{\n" + " b3Float4 dir, va, vb;\n" + " float dot;\n" + " int cont;\n" + " \n" + " \n" + " // vertex 0 is center of portal\n" + " b3FindOrigin(bodyIndexA,bodyIndexB,cpuBodyBuf, b3MprSimplexPointW(portal, 0));\n" + " // vertex 0 is center of portal\n" + " b3MprSimplexSetSize(portal, 1);\n" + " \n" + " b3Float4 zero = b3MakeFloat4(0,0,0,0);\n" + " b3Float4* b3mpr_vec3_origin = &zero;\n" + " if (b3MprVec3Eq(&b3MprSimplexPoint(portal, 0)->v, b3mpr_vec3_origin)){\n" + " // Portal's center lies on origin (0,0,0) => we know that objects\n" + " // intersect but we would need to know penetration info.\n" + " // So move center little bit...\n" + " b3MprVec3Set(&va, FLT_EPSILON * 10.f, 0.f, 0.f);\n" + " b3MprVec3Add(&b3MprSimplexPointW(portal, 0)->v, &va);\n" + " }\n" + " // vertex 1 = support in direction of origin\n" + " b3MprVec3Copy(&dir, &b3MprSimplexPoint(portal, 0)->v);\n" + " b3MprVec3Scale(&dir, -1.f);\n" + " b3MprVec3Normalize(&dir);\n" + " b3MprSupport(pairIndex,bodyIndexA,bodyIndexB,cpuBodyBuf,cpuConvexData,cpuCollidables,cpuVertices, sepAxis,&dir, b3MprSimplexPointW(portal, 1));\n" + " b3MprSimplexSetSize(portal, 2);\n" + " // test if origin isn't outside of v1\n" + " dot = b3MprVec3Dot(&b3MprSimplexPoint(portal, 1)->v, &dir);\n" + " \n" + " if (b3MprIsZero(dot) || dot < 0.f)\n" + " return -1;\n" + " // vertex 2\n" + " b3MprVec3Cross(&dir, &b3MprSimplexPoint(portal, 0)->v,\n" + " &b3MprSimplexPoint(portal, 1)->v);\n" + " if (b3MprIsZero(b3MprVec3Len2(&dir))){\n" + " if (b3MprVec3Eq(&b3MprSimplexPoint(portal, 1)->v, b3mpr_vec3_origin)){\n" + " // origin lies on v1\n" + " return 1;\n" + " }else{\n" + " // origin lies on v0-v1 segment\n" + " return 2;\n" + " }\n" + " }\n" + " b3MprVec3Normalize(&dir);\n" + " b3MprSupport(pairIndex,bodyIndexA,bodyIndexB,cpuBodyBuf,cpuConvexData,cpuCollidables,cpuVertices, sepAxis,&dir, b3MprSimplexPointW(portal, 2));\n" + " \n" + " dot = b3MprVec3Dot(&b3MprSimplexPoint(portal, 2)->v, &dir);\n" + " if (b3MprIsZero(dot) || dot < 0.f)\n" + " return -1;\n" + " b3MprSimplexSetSize(portal, 3);\n" + " // vertex 3 direction\n" + " b3MprVec3Sub2(&va, &b3MprSimplexPoint(portal, 1)->v,\n" + " &b3MprSimplexPoint(portal, 0)->v);\n" + " b3MprVec3Sub2(&vb, &b3MprSimplexPoint(portal, 2)->v,\n" + " &b3MprSimplexPoint(portal, 0)->v);\n" + " b3MprVec3Cross(&dir, &va, &vb);\n" + " b3MprVec3Normalize(&dir);\n" + " // it is better to form portal faces to be oriented \"outside\" origin\n" + " dot = b3MprVec3Dot(&dir, &b3MprSimplexPoint(portal, 0)->v);\n" + " if (dot > 0.f){\n" + " b3MprSimplexSwap(portal, 1, 2);\n" + " b3MprVec3Scale(&dir, -1.f);\n" + " }\n" + " while (b3MprSimplexSize(portal) < 4){\n" + " b3MprSupport(pairIndex,bodyIndexA,bodyIndexB,cpuBodyBuf,cpuConvexData,cpuCollidables,cpuVertices, sepAxis,&dir, b3MprSimplexPointW(portal, 3));\n" + " \n" + " dot = b3MprVec3Dot(&b3MprSimplexPoint(portal, 3)->v, &dir);\n" + " if (b3MprIsZero(dot) || dot < 0.f)\n" + " return -1;\n" + " cont = 0;\n" + " // test if origin is outside (v1, v0, v3) - set v2 as v3 and\n" + " // continue\n" + " b3MprVec3Cross(&va, &b3MprSimplexPoint(portal, 1)->v,\n" + " &b3MprSimplexPoint(portal, 3)->v);\n" + " dot = b3MprVec3Dot(&va, &b3MprSimplexPoint(portal, 0)->v);\n" + " if (dot < 0.f && !b3MprIsZero(dot)){\n" + " b3MprSimplexSet(portal, 2, b3MprSimplexPoint(portal, 3));\n" + " cont = 1;\n" + " }\n" + " if (!cont){\n" + " // test if origin is outside (v3, v0, v2) - set v1 as v3 and\n" + " // continue\n" + " b3MprVec3Cross(&va, &b3MprSimplexPoint(portal, 3)->v,\n" + " &b3MprSimplexPoint(portal, 2)->v);\n" + " dot = b3MprVec3Dot(&va, &b3MprSimplexPoint(portal, 0)->v);\n" + " if (dot < 0.f && !b3MprIsZero(dot)){\n" + " b3MprSimplexSet(portal, 1, b3MprSimplexPoint(portal, 3));\n" + " cont = 1;\n" + " }\n" + " }\n" + " if (cont){\n" + " b3MprVec3Sub2(&va, &b3MprSimplexPoint(portal, 1)->v,\n" + " &b3MprSimplexPoint(portal, 0)->v);\n" + " b3MprVec3Sub2(&vb, &b3MprSimplexPoint(portal, 2)->v,\n" + " &b3MprSimplexPoint(portal, 0)->v);\n" + " b3MprVec3Cross(&dir, &va, &vb);\n" + " b3MprVec3Normalize(&dir);\n" + " }else{\n" + " b3MprSimplexSetSize(portal, 4);\n" + " }\n" + " }\n" + " return 0;\n" + "}\n" + "B3_STATIC int b3RefinePortal(int pairIndex,int bodyIndexA, int bodyIndexB, b3ConstArray(b3RigidBodyData_t) cpuBodyBuf, \n" + " b3ConstArray(b3ConvexPolyhedronData_t) cpuConvexData, \n" + " b3ConstArray(b3Collidable_t) cpuCollidables,\n" + " b3ConstArray(b3Float4) cpuVertices,\n" + " __global b3Float4* sepAxis,\n" + " b3MprSimplex_t *portal)\n" + "{\n" + " b3Float4 dir;\n" + " b3MprSupport_t v4;\n" + " for (int i=0;i<B3_MPR_MAX_ITERATIONS;i++)\n" + " //while (1)\n" + " {\n" + " // compute direction outside the portal (from v0 throught v1,v2,v3\n" + " // face)\n" + " b3PortalDir(portal, &dir);\n" + " // test if origin is inside the portal\n" + " if (portalEncapsulesOrigin(portal, &dir))\n" + " return 0;\n" + " // get next support point\n" + " \n" + " b3MprSupport(pairIndex,bodyIndexA,bodyIndexB,cpuBodyBuf,cpuConvexData,cpuCollidables,cpuVertices, sepAxis,&dir, &v4);\n" + " // test if v4 can expand portal to contain origin and if portal\n" + " // expanding doesn't reach given tolerance\n" + " if (!portalCanEncapsuleOrigin(portal, &v4, &dir)\n" + " || portalReachTolerance(portal, &v4, &dir))\n" + " {\n" + " return -1;\n" + " }\n" + " // v1-v2-v3 triangle must be rearranged to face outside Minkowski\n" + " // difference (direction from v0).\n" + " b3ExpandPortal(portal, &v4);\n" + " }\n" + " return -1;\n" + "}\n" + "B3_STATIC void b3FindPos(const b3MprSimplex_t *portal, b3Float4 *pos)\n" + "{\n" + " b3Float4 zero = b3MakeFloat4(0,0,0,0);\n" + " b3Float4* b3mpr_vec3_origin = &zero;\n" + " b3Float4 dir;\n" + " size_t i;\n" + " float b[4], sum, inv;\n" + " b3Float4 vec, p1, p2;\n" + " b3PortalDir(portal, &dir);\n" + " // use barycentric coordinates of tetrahedron to find origin\n" + " b3MprVec3Cross(&vec, &b3MprSimplexPoint(portal, 1)->v,\n" + " &b3MprSimplexPoint(portal, 2)->v);\n" + " b[0] = b3MprVec3Dot(&vec, &b3MprSimplexPoint(portal, 3)->v);\n" + " b3MprVec3Cross(&vec, &b3MprSimplexPoint(portal, 3)->v,\n" + " &b3MprSimplexPoint(portal, 2)->v);\n" + " b[1] = b3MprVec3Dot(&vec, &b3MprSimplexPoint(portal, 0)->v);\n" + " b3MprVec3Cross(&vec, &b3MprSimplexPoint(portal, 0)->v,\n" + " &b3MprSimplexPoint(portal, 1)->v);\n" + " b[2] = b3MprVec3Dot(&vec, &b3MprSimplexPoint(portal, 3)->v);\n" + " b3MprVec3Cross(&vec, &b3MprSimplexPoint(portal, 2)->v,\n" + " &b3MprSimplexPoint(portal, 1)->v);\n" + " b[3] = b3MprVec3Dot(&vec, &b3MprSimplexPoint(portal, 0)->v);\n" + " sum = b[0] + b[1] + b[2] + b[3];\n" + " if (b3MprIsZero(sum) || sum < 0.f){\n" + " b[0] = 0.f;\n" + " b3MprVec3Cross(&vec, &b3MprSimplexPoint(portal, 2)->v,\n" + " &b3MprSimplexPoint(portal, 3)->v);\n" + " b[1] = b3MprVec3Dot(&vec, &dir);\n" + " b3MprVec3Cross(&vec, &b3MprSimplexPoint(portal, 3)->v,\n" + " &b3MprSimplexPoint(portal, 1)->v);\n" + " b[2] = b3MprVec3Dot(&vec, &dir);\n" + " b3MprVec3Cross(&vec, &b3MprSimplexPoint(portal, 1)->v,\n" + " &b3MprSimplexPoint(portal, 2)->v);\n" + " b[3] = b3MprVec3Dot(&vec, &dir);\n" + " sum = b[1] + b[2] + b[3];\n" + " }\n" + " inv = 1.f / sum;\n" + " b3MprVec3Copy(&p1, b3mpr_vec3_origin);\n" + " b3MprVec3Copy(&p2, b3mpr_vec3_origin);\n" + " for (i = 0; i < 4; i++){\n" + " b3MprVec3Copy(&vec, &b3MprSimplexPoint(portal, i)->v1);\n" + " b3MprVec3Scale(&vec, b[i]);\n" + " b3MprVec3Add(&p1, &vec);\n" + " b3MprVec3Copy(&vec, &b3MprSimplexPoint(portal, i)->v2);\n" + " b3MprVec3Scale(&vec, b[i]);\n" + " b3MprVec3Add(&p2, &vec);\n" + " }\n" + " b3MprVec3Scale(&p1, inv);\n" + " b3MprVec3Scale(&p2, inv);\n" + " b3MprVec3Copy(pos, &p1);\n" + " b3MprVec3Add(pos, &p2);\n" + " b3MprVec3Scale(pos, 0.5);\n" + "}\n" + "inline float b3MprVec3Dist2(const b3Float4 *a, const b3Float4 *b)\n" + "{\n" + " b3Float4 ab;\n" + " b3MprVec3Sub2(&ab, a, b);\n" + " return b3MprVec3Len2(&ab);\n" + "}\n" + "inline float _b3MprVec3PointSegmentDist2(const b3Float4 *P,\n" + " const b3Float4 *x0,\n" + " const b3Float4 *b,\n" + " b3Float4 *witness)\n" + "{\n" + " // The computation comes from solving equation of segment:\n" + " // S(t) = x0 + t.d\n" + " // where - x0 is initial point of segment\n" + " // - d is direction of segment from x0 (|d| > 0)\n" + " // - t belongs to <0, 1> interval\n" + " // \n" + " // Than, distance from a segment to some point P can be expressed:\n" + " // D(t) = |x0 + t.d - P|^2\n" + " // which is distance from any point on segment. Minimization\n" + " // of this function brings distance from P to segment.\n" + " // Minimization of D(t) leads to simple quadratic equation that's\n" + " // solving is straightforward.\n" + " //\n" + " // Bonus of this method is witness point for free.\n" + " float dist, t;\n" + " b3Float4 d, a;\n" + " // direction of segment\n" + " b3MprVec3Sub2(&d, b, x0);\n" + " // precompute vector from P to x0\n" + " b3MprVec3Sub2(&a, x0, P);\n" + " t = -1.f * b3MprVec3Dot(&a, &d);\n" + " t /= b3MprVec3Len2(&d);\n" + " if (t < 0.f || b3MprIsZero(t)){\n" + " dist = b3MprVec3Dist2(x0, P);\n" + " if (witness)\n" + " b3MprVec3Copy(witness, x0);\n" + " }else if (t > 1.f || b3MprEq(t, 1.f)){\n" + " dist = b3MprVec3Dist2(b, P);\n" + " if (witness)\n" + " b3MprVec3Copy(witness, b);\n" + " }else{\n" + " if (witness){\n" + " b3MprVec3Copy(witness, &d);\n" + " b3MprVec3Scale(witness, t);\n" + " b3MprVec3Add(witness, x0);\n" + " dist = b3MprVec3Dist2(witness, P);\n" + " }else{\n" + " // recycling variables\n" + " b3MprVec3Scale(&d, t);\n" + " b3MprVec3Add(&d, &a);\n" + " dist = b3MprVec3Len2(&d);\n" + " }\n" + " }\n" + " return dist;\n" + "}\n" + "inline float b3MprVec3PointTriDist2(const b3Float4 *P,\n" + " const b3Float4 *x0, const b3Float4 *B,\n" + " const b3Float4 *C,\n" + " b3Float4 *witness)\n" + "{\n" + " // Computation comes from analytic expression for triangle (x0, B, C)\n" + " // T(s, t) = x0 + s.d1 + t.d2, where d1 = B - x0 and d2 = C - x0 and\n" + " // Then equation for distance is:\n" + " // D(s, t) = | T(s, t) - P |^2\n" + " // This leads to minimization of quadratic function of two variables.\n" + " // The solution from is taken only if s is between 0 and 1, t is\n" + " // between 0 and 1 and t + s < 1, otherwise distance from segment is\n" + " // computed.\n" + " b3Float4 d1, d2, a;\n" + " float u, v, w, p, q, r;\n" + " float s, t, dist, dist2;\n" + " b3Float4 witness2;\n" + " b3MprVec3Sub2(&d1, B, x0);\n" + " b3MprVec3Sub2(&d2, C, x0);\n" + " b3MprVec3Sub2(&a, x0, P);\n" + " u = b3MprVec3Dot(&a, &a);\n" + " v = b3MprVec3Dot(&d1, &d1);\n" + " w = b3MprVec3Dot(&d2, &d2);\n" + " p = b3MprVec3Dot(&a, &d1);\n" + " q = b3MprVec3Dot(&a, &d2);\n" + " r = b3MprVec3Dot(&d1, &d2);\n" + " s = (q * r - w * p) / (w * v - r * r);\n" + " t = (-s * r - q) / w;\n" + " if ((b3MprIsZero(s) || s > 0.f)\n" + " && (b3MprEq(s, 1.f) || s < 1.f)\n" + " && (b3MprIsZero(t) || t > 0.f)\n" + " && (b3MprEq(t, 1.f) || t < 1.f)\n" + " && (b3MprEq(t + s, 1.f) || t + s < 1.f)){\n" + " if (witness){\n" + " b3MprVec3Scale(&d1, s);\n" + " b3MprVec3Scale(&d2, t);\n" + " b3MprVec3Copy(witness, x0);\n" + " b3MprVec3Add(witness, &d1);\n" + " b3MprVec3Add(witness, &d2);\n" + " dist = b3MprVec3Dist2(witness, P);\n" + " }else{\n" + " dist = s * s * v;\n" + " dist += t * t * w;\n" + " dist += 2.f * s * t * r;\n" + " dist += 2.f * s * p;\n" + " dist += 2.f * t * q;\n" + " dist += u;\n" + " }\n" + " }else{\n" + " dist = _b3MprVec3PointSegmentDist2(P, x0, B, witness);\n" + " dist2 = _b3MprVec3PointSegmentDist2(P, x0, C, &witness2);\n" + " if (dist2 < dist){\n" + " dist = dist2;\n" + " if (witness)\n" + " b3MprVec3Copy(witness, &witness2);\n" + " }\n" + " dist2 = _b3MprVec3PointSegmentDist2(P, B, C, &witness2);\n" + " if (dist2 < dist){\n" + " dist = dist2;\n" + " if (witness)\n" + " b3MprVec3Copy(witness, &witness2);\n" + " }\n" + " }\n" + " return dist;\n" + "}\n" + "B3_STATIC void b3FindPenetr(int pairIndex,int bodyIndexA, int bodyIndexB, b3ConstArray(b3RigidBodyData_t) cpuBodyBuf, \n" + " b3ConstArray(b3ConvexPolyhedronData_t) cpuConvexData, \n" + " b3ConstArray(b3Collidable_t) cpuCollidables,\n" + " b3ConstArray(b3Float4) cpuVertices,\n" + " __global b3Float4* sepAxis,\n" + " b3MprSimplex_t *portal,\n" + " float *depth, b3Float4 *pdir, b3Float4 *pos)\n" + "{\n" + " b3Float4 dir;\n" + " b3MprSupport_t v4;\n" + " unsigned long iterations;\n" + " b3Float4 zero = b3MakeFloat4(0,0,0,0);\n" + " b3Float4* b3mpr_vec3_origin = &zero;\n" + " iterations = 1UL;\n" + " for (int i=0;i<B3_MPR_MAX_ITERATIONS;i++)\n" + " //while (1)\n" + " {\n" + " // compute portal direction and obtain next support point\n" + " b3PortalDir(portal, &dir);\n" + " \n" + " b3MprSupport(pairIndex,bodyIndexA,bodyIndexB,cpuBodyBuf,cpuConvexData,cpuCollidables,cpuVertices, sepAxis,&dir, &v4);\n" + " // reached tolerance -> find penetration info\n" + " if (portalReachTolerance(portal, &v4, &dir)\n" + " || iterations ==B3_MPR_MAX_ITERATIONS)\n" + " {\n" + " *depth = b3MprVec3PointTriDist2(b3mpr_vec3_origin,&b3MprSimplexPoint(portal, 1)->v,&b3MprSimplexPoint(portal, 2)->v,&b3MprSimplexPoint(portal, 3)->v,pdir);\n" + " *depth = B3_MPR_SQRT(*depth);\n" + " \n" + " if (b3MprIsZero((*pdir).x) && b3MprIsZero((*pdir).y) && b3MprIsZero((*pdir).z))\n" + " {\n" + " \n" + " *pdir = dir;\n" + " } \n" + " b3MprVec3Normalize(pdir);\n" + " \n" + " // barycentric coordinates:\n" + " b3FindPos(portal, pos);\n" + " return;\n" + " }\n" + " b3ExpandPortal(portal, &v4);\n" + " iterations++;\n" + " }\n" + "}\n" + "B3_STATIC void b3FindPenetrTouch(b3MprSimplex_t *portal,float *depth, b3Float4 *dir, b3Float4 *pos)\n" + "{\n" + " // Touching contact on portal's v1 - so depth is zero and direction\n" + " // is unimportant and pos can be guessed\n" + " *depth = 0.f;\n" + " b3Float4 zero = b3MakeFloat4(0,0,0,0);\n" + " b3Float4* b3mpr_vec3_origin = &zero;\n" + " b3MprVec3Copy(dir, b3mpr_vec3_origin);\n" + " b3MprVec3Copy(pos, &b3MprSimplexPoint(portal, 1)->v1);\n" + " b3MprVec3Add(pos, &b3MprSimplexPoint(portal, 1)->v2);\n" + " b3MprVec3Scale(pos, 0.5);\n" + "}\n" + "B3_STATIC void b3FindPenetrSegment(b3MprSimplex_t *portal,\n" + " float *depth, b3Float4 *dir, b3Float4 *pos)\n" + "{\n" + " \n" + " // Origin lies on v0-v1 segment.\n" + " // Depth is distance to v1, direction also and position must be\n" + " // computed\n" + " b3MprVec3Copy(pos, &b3MprSimplexPoint(portal, 1)->v1);\n" + " b3MprVec3Add(pos, &b3MprSimplexPoint(portal, 1)->v2);\n" + " b3MprVec3Scale(pos, 0.5f);\n" + " \n" + " b3MprVec3Copy(dir, &b3MprSimplexPoint(portal, 1)->v);\n" + " *depth = B3_MPR_SQRT(b3MprVec3Len2(dir));\n" + " b3MprVec3Normalize(dir);\n" + "}\n" + "inline int b3MprPenetration(int pairIndex, int bodyIndexA, int bodyIndexB,\n" + " b3ConstArray(b3RigidBodyData_t) cpuBodyBuf,\n" + " b3ConstArray(b3ConvexPolyhedronData_t) cpuConvexData, \n" + " b3ConstArray(b3Collidable_t) cpuCollidables,\n" + " b3ConstArray(b3Float4) cpuVertices,\n" + " __global b3Float4* sepAxis,\n" + " __global int* hasSepAxis,\n" + " float *depthOut, b3Float4* dirOut, b3Float4* posOut)\n" + "{\n" + " \n" + " b3MprSimplex_t portal;\n" + " \n" + "// if (!hasSepAxis[pairIndex])\n" + " // return -1;\n" + " \n" + " hasSepAxis[pairIndex] = 0;\n" + " int res;\n" + " // Phase 1: Portal discovery\n" + " res = b3DiscoverPortal(pairIndex,bodyIndexA,bodyIndexB,cpuBodyBuf,cpuConvexData,cpuCollidables,cpuVertices,sepAxis,hasSepAxis, &portal);\n" + " \n" + " \n" + " //sepAxis[pairIndex] = *pdir;//or -dir?\n" + " switch (res)\n" + " {\n" + " case 0:\n" + " {\n" + " // Phase 2: Portal refinement\n" + " \n" + " res = b3RefinePortal(pairIndex,bodyIndexA,bodyIndexB,cpuBodyBuf,cpuConvexData,cpuCollidables,cpuVertices, sepAxis,&portal);\n" + " if (res < 0)\n" + " return -1;\n" + " // Phase 3. Penetration info\n" + " b3FindPenetr(pairIndex,bodyIndexA,bodyIndexB,cpuBodyBuf,cpuConvexData,cpuCollidables,cpuVertices, sepAxis,&portal, depthOut, dirOut, posOut);\n" + " hasSepAxis[pairIndex] = 1;\n" + " sepAxis[pairIndex] = -*dirOut;\n" + " break;\n" + " }\n" + " case 1:\n" + " {\n" + " // Touching contact on portal's v1.\n" + " b3FindPenetrTouch(&portal, depthOut, dirOut, posOut);\n" + " break;\n" + " }\n" + " case 2:\n" + " {\n" + " \n" + " b3FindPenetrSegment( &portal, depthOut, dirOut, posOut);\n" + " break;\n" + " }\n" + " default:\n" + " {\n" + " hasSepAxis[pairIndex]=0;\n" + " //if (res < 0)\n" + " //{\n" + " // Origin isn't inside portal - no collision.\n" + " return -1;\n" + " //}\n" + " }\n" + " };\n" + " \n" + " return 0;\n" + "};\n" + "#endif //B3_MPR_PENETRATION_H\n" + "#ifndef B3_CONTACT4DATA_H\n" + "#define B3_CONTACT4DATA_H\n" + "#ifndef B3_FLOAT4_H\n" + "#ifdef __cplusplus\n" + "#else\n" + "#endif \n" + "#endif //B3_FLOAT4_H\n" + "typedef struct b3Contact4Data b3Contact4Data_t;\n" + "struct b3Contact4Data\n" + "{\n" + " b3Float4 m_worldPosB[4];\n" + "// b3Float4 m_localPosA[4];\n" + "// b3Float4 m_localPosB[4];\n" + " b3Float4 m_worldNormalOnB; // w: m_nPoints\n" + " unsigned short m_restituitionCoeffCmp;\n" + " unsigned short m_frictionCoeffCmp;\n" + " int m_batchIdx;\n" + " int m_bodyAPtrAndSignBit;//x:m_bodyAPtr, y:m_bodyBPtr\n" + " int m_bodyBPtrAndSignBit;\n" + " int m_childIndexA;\n" + " int m_childIndexB;\n" + " int m_unused1;\n" + " int m_unused2;\n" + "};\n" + "inline int b3Contact4Data_getNumPoints(const struct b3Contact4Data* contact)\n" + "{\n" + " return (int)contact->m_worldNormalOnB.w;\n" + "};\n" + "inline void b3Contact4Data_setNumPoints(struct b3Contact4Data* contact, int numPoints)\n" + "{\n" + " contact->m_worldNormalOnB.w = (float)numPoints;\n" + "};\n" + "#endif //B3_CONTACT4DATA_H\n" + "#define AppendInc(x, out) out = atomic_inc(x)\n" + "#define GET_NPOINTS(x) (x).m_worldNormalOnB.w\n" + "#ifdef cl_ext_atomic_counters_32\n" + " #pragma OPENCL EXTENSION cl_ext_atomic_counters_32 : enable\n" + "#else\n" + " #define counter32_t volatile __global int*\n" + "#endif\n" + "__kernel void mprPenetrationKernel( __global int4* pairs,\n" + " __global const b3RigidBodyData_t* rigidBodies, \n" + " __global const b3Collidable_t* collidables,\n" + " __global const b3ConvexPolyhedronData_t* convexShapes, \n" + " __global const float4* vertices,\n" + " __global float4* separatingNormals,\n" + " __global int* hasSeparatingAxis,\n" + " __global struct b3Contact4Data* restrict globalContactsOut,\n" + " counter32_t nGlobalContactsOut,\n" + " int contactCapacity,\n" + " int numPairs)\n" + "{\n" + " int i = get_global_id(0);\n" + " int pairIndex = i;\n" + " if (i<numPairs)\n" + " {\n" + " int bodyIndexA = pairs[i].x;\n" + " int bodyIndexB = pairs[i].y;\n" + " int collidableIndexA = rigidBodies[bodyIndexA].m_collidableIdx;\n" + " int collidableIndexB = rigidBodies[bodyIndexB].m_collidableIdx;\n" + " \n" + " int shapeIndexA = collidables[collidableIndexA].m_shapeIndex;\n" + " int shapeIndexB = collidables[collidableIndexB].m_shapeIndex;\n" + " \n" + " \n" + " //once the broadphase avoids static-static pairs, we can remove this test\n" + " if ((rigidBodies[bodyIndexA].m_invMass==0) &&(rigidBodies[bodyIndexB].m_invMass==0))\n" + " {\n" + " return;\n" + " }\n" + " \n" + " if ((collidables[collidableIndexA].m_shapeType!=SHAPE_CONVEX_HULL) ||(collidables[collidableIndexB].m_shapeType!=SHAPE_CONVEX_HULL))\n" + " {\n" + " return;\n" + " }\n" + " float depthOut;\n" + " b3Float4 dirOut;\n" + " b3Float4 posOut;\n" + " int res = b3MprPenetration(pairIndex, bodyIndexA, bodyIndexB,rigidBodies,convexShapes,collidables,vertices,separatingNormals,hasSeparatingAxis,&depthOut, &dirOut, &posOut);\n" + " \n" + " \n" + " \n" + " \n" + " if (res==0)\n" + " {\n" + " //add a contact\n" + " int dstIdx;\n" + " AppendInc( nGlobalContactsOut, dstIdx );\n" + " if (dstIdx<contactCapacity)\n" + " {\n" + " pairs[pairIndex].z = dstIdx;\n" + " __global struct b3Contact4Data* c = globalContactsOut + dstIdx;\n" + " c->m_worldNormalOnB = -dirOut;//normal;\n" + " c->m_restituitionCoeffCmp = (0.f*0xffff);c->m_frictionCoeffCmp = (0.7f*0xffff);\n" + " c->m_batchIdx = pairIndex;\n" + " int bodyA = pairs[pairIndex].x;\n" + " int bodyB = pairs[pairIndex].y;\n" + " c->m_bodyAPtrAndSignBit = rigidBodies[bodyA].m_invMass==0 ? -bodyA:bodyA;\n" + " c->m_bodyBPtrAndSignBit = rigidBodies[bodyB].m_invMass==0 ? -bodyB:bodyB;\n" + " c->m_childIndexA = -1;\n" + " c->m_childIndexB = -1;\n" + " //for (int i=0;i<nContacts;i++)\n" + " posOut.w = -depthOut;\n" + " c->m_worldPosB[0] = posOut;//localPoints[contactIdx[i]];\n" + " GET_NPOINTS(*c) = 1;//nContacts;\n" + " }\n" + " }\n" + " }\n" + "}\n" + "typedef float4 Quaternion;\n" + "#define make_float4 (float4)\n" + "__inline\n" + "float dot3F4(float4 a, float4 b)\n" + "{\n" + " float4 a1 = make_float4(a.xyz,0.f);\n" + " float4 b1 = make_float4(b.xyz,0.f);\n" + " return dot(a1, b1);\n" + "}\n" + "__inline\n" + "float4 cross3(float4 a, float4 b)\n" + "{\n" + " return cross(a,b);\n" + "}\n" + "__inline\n" + "Quaternion qtMul(Quaternion a, Quaternion b)\n" + "{\n" + " Quaternion ans;\n" + " ans = cross3( a, b );\n" + " ans += a.w*b+b.w*a;\n" + "// ans.w = a.w*b.w - (a.x*b.x+a.y*b.y+a.z*b.z);\n" + " ans.w = a.w*b.w - dot3F4(a, b);\n" + " return ans;\n" + "}\n" + "__inline\n" + "Quaternion qtInvert(Quaternion q)\n" + "{\n" + " return (Quaternion)(-q.xyz, q.w);\n" + "}\n" + "__inline\n" + "float4 qtRotate(Quaternion q, float4 vec)\n" + "{\n" + " Quaternion qInv = qtInvert( q );\n" + " float4 vcpy = vec;\n" + " vcpy.w = 0.f;\n" + " float4 out = qtMul(qtMul(q,vcpy),qInv);\n" + " return out;\n" + "}\n" + "__inline\n" + "float4 transform(const float4* p, const float4* translation, const Quaternion* orientation)\n" + "{\n" + " return qtRotate( *orientation, *p ) + (*translation);\n" + "}\n" + "__inline\n" + "float4 qtInvRotate(const Quaternion q, float4 vec)\n" + "{\n" + " return qtRotate( qtInvert( q ), vec );\n" + "}\n" + "inline void project(__global const b3ConvexPolyhedronData_t* hull, const float4 pos, const float4 orn, \n" + "const float4* dir, __global const float4* vertices, float* min, float* max)\n" + "{\n" + " min[0] = FLT_MAX;\n" + " max[0] = -FLT_MAX;\n" + " int numVerts = hull->m_numVertices;\n" + " const float4 localDir = qtInvRotate(orn,*dir);\n" + " float offset = dot(pos,*dir);\n" + " for(int i=0;i<numVerts;i++)\n" + " {\n" + " float dp = dot(vertices[hull->m_vertexOffset+i],localDir);\n" + " if(dp < min[0]) \n" + " min[0] = dp;\n" + " if(dp > max[0]) \n" + " max[0] = dp;\n" + " }\n" + " if(min[0]>max[0])\n" + " {\n" + " float tmp = min[0];\n" + " min[0] = max[0];\n" + " max[0] = tmp;\n" + " }\n" + " min[0] += offset;\n" + " max[0] += offset;\n" + "}\n" + "bool findSeparatingAxisUnitSphere( __global const b3ConvexPolyhedronData_t* hullA, __global const b3ConvexPolyhedronData_t* hullB, \n" + " const float4 posA1,\n" + " const float4 ornA,\n" + " const float4 posB1,\n" + " const float4 ornB,\n" + " const float4 DeltaC2,\n" + " __global const float4* vertices,\n" + " __global const float4* unitSphereDirections,\n" + " int numUnitSphereDirections,\n" + " float4* sep,\n" + " float* dmin)\n" + "{\n" + " \n" + " float4 posA = posA1;\n" + " posA.w = 0.f;\n" + " float4 posB = posB1;\n" + " posB.w = 0.f;\n" + " int curPlaneTests=0;\n" + " int curEdgeEdge = 0;\n" + " // Test unit sphere directions\n" + " for (int i=0;i<numUnitSphereDirections;i++)\n" + " {\n" + " float4 crossje;\n" + " crossje = unitSphereDirections[i]; \n" + " if (dot3F4(DeltaC2,crossje)>0)\n" + " crossje *= -1.f;\n" + " {\n" + " float dist;\n" + " bool result = true;\n" + " float Min0,Max0;\n" + " float Min1,Max1;\n" + " project(hullA,posA,ornA,&crossje,vertices, &Min0, &Max0);\n" + " project(hullB,posB,ornB,&crossje,vertices, &Min1, &Max1);\n" + " \n" + " if(Max0<Min1 || Max1<Min0)\n" + " return false;\n" + " \n" + " float d0 = Max0 - Min1;\n" + " float d1 = Max1 - Min0;\n" + " dist = d0<d1 ? d0:d1;\n" + " result = true;\n" + " \n" + " if(dist<*dmin)\n" + " {\n" + " *dmin = dist;\n" + " *sep = crossje;\n" + " }\n" + " }\n" + " }\n" + " \n" + " if((dot3F4(-DeltaC2,*sep))>0.0f)\n" + " {\n" + " *sep = -(*sep);\n" + " }\n" + " return true;\n" + "}\n" + "__kernel void findSeparatingAxisUnitSphereKernel( __global const int4* pairs, \n" + " __global const b3RigidBodyData_t* rigidBodies, \n" + " __global const b3Collidable_t* collidables,\n" + " __global const b3ConvexPolyhedronData_t* convexShapes, \n" + " __global const float4* vertices,\n" + " __global const float4* unitSphereDirections,\n" + " __global float4* separatingNormals,\n" + " __global int* hasSeparatingAxis,\n" + " __global float* dmins,\n" + " int numUnitSphereDirections,\n" + " int numPairs\n" + " )\n" + "{\n" + " int i = get_global_id(0);\n" + " \n" + " if (i<numPairs)\n" + " {\n" + " if (hasSeparatingAxis[i])\n" + " {\n" + " \n" + " int bodyIndexA = pairs[i].x;\n" + " int bodyIndexB = pairs[i].y;\n" + " \n" + " int collidableIndexA = rigidBodies[bodyIndexA].m_collidableIdx;\n" + " int collidableIndexB = rigidBodies[bodyIndexB].m_collidableIdx;\n" + " \n" + " int shapeIndexA = collidables[collidableIndexA].m_shapeIndex;\n" + " int shapeIndexB = collidables[collidableIndexB].m_shapeIndex;\n" + " \n" + " \n" + " int numFacesA = convexShapes[shapeIndexA].m_numFaces;\n" + " \n" + " float dmin = dmins[i];\n" + " \n" + " float4 posA = rigidBodies[bodyIndexA].m_pos;\n" + " posA.w = 0.f;\n" + " float4 posB = rigidBodies[bodyIndexB].m_pos;\n" + " posB.w = 0.f;\n" + " float4 c0local = convexShapes[shapeIndexA].m_localCenter;\n" + " float4 ornA = rigidBodies[bodyIndexA].m_quat;\n" + " float4 c0 = transform(&c0local, &posA, &ornA);\n" + " float4 c1local = convexShapes[shapeIndexB].m_localCenter;\n" + " float4 ornB =rigidBodies[bodyIndexB].m_quat;\n" + " float4 c1 = transform(&c1local,&posB,&ornB);\n" + " const float4 DeltaC2 = c0 - c1;\n" + " float4 sepNormal = separatingNormals[i];\n" + " \n" + " int numEdgeEdgeDirections = convexShapes[shapeIndexA].m_numUniqueEdges*convexShapes[shapeIndexB].m_numUniqueEdges;\n" + " if (numEdgeEdgeDirections>numUnitSphereDirections)\n" + " {\n" + " bool sepEE = findSeparatingAxisUnitSphere( &convexShapes[shapeIndexA], &convexShapes[shapeIndexB],posA,ornA,\n" + " posB,ornB,\n" + " DeltaC2,\n" + " vertices,unitSphereDirections,numUnitSphereDirections,&sepNormal,&dmin);\n" + " if (!sepEE)\n" + " {\n" + " hasSeparatingAxis[i] = 0;\n" + " } else\n" + " {\n" + " hasSeparatingAxis[i] = 1;\n" + " separatingNormals[i] = sepNormal;\n" + " }\n" + " }\n" + " } //if (hasSeparatingAxis[i])\n" + " }//(i<numPairs)\n" + "}\n"; diff --git a/thirdparty/bullet/Bullet3OpenCL/NarrowphaseCollision/kernels/primitiveContacts.h b/thirdparty/bullet/Bullet3OpenCL/NarrowphaseCollision/kernels/primitiveContacts.h index b0103fe674..b2e0a2dd47 100644 --- a/thirdparty/bullet/Bullet3OpenCL/NarrowphaseCollision/kernels/primitiveContacts.h +++ b/thirdparty/bullet/Bullet3OpenCL/NarrowphaseCollision/kernels/primitiveContacts.h @@ -1,1289 +1,1288 @@ //this file is autogenerated using stringify.bat (premake --stringify) in the build folder of this project -static const char* primitiveContactsKernelsCL= \ -"#ifndef B3_CONTACT4DATA_H\n" -"#define B3_CONTACT4DATA_H\n" -"#ifndef B3_FLOAT4_H\n" -"#define B3_FLOAT4_H\n" -"#ifndef B3_PLATFORM_DEFINITIONS_H\n" -"#define B3_PLATFORM_DEFINITIONS_H\n" -"struct MyTest\n" -"{\n" -" int bla;\n" -"};\n" -"#ifdef __cplusplus\n" -"#else\n" -"//keep B3_LARGE_FLOAT*B3_LARGE_FLOAT < FLT_MAX\n" -"#define B3_LARGE_FLOAT 1e18f\n" -"#define B3_INFINITY 1e18f\n" -"#define b3Assert(a)\n" -"#define b3ConstArray(a) __global const a*\n" -"#define b3AtomicInc atomic_inc\n" -"#define b3AtomicAdd atomic_add\n" -"#define b3Fabs fabs\n" -"#define b3Sqrt native_sqrt\n" -"#define b3Sin native_sin\n" -"#define b3Cos native_cos\n" -"#define B3_STATIC\n" -"#endif\n" -"#endif\n" -"#ifdef __cplusplus\n" -"#else\n" -" typedef float4 b3Float4;\n" -" #define b3Float4ConstArg const b3Float4\n" -" #define b3MakeFloat4 (float4)\n" -" float b3Dot3F4(b3Float4ConstArg v0,b3Float4ConstArg v1)\n" -" {\n" -" float4 a1 = b3MakeFloat4(v0.xyz,0.f);\n" -" float4 b1 = b3MakeFloat4(v1.xyz,0.f);\n" -" return dot(a1, b1);\n" -" }\n" -" b3Float4 b3Cross3(b3Float4ConstArg v0,b3Float4ConstArg v1)\n" -" {\n" -" float4 a1 = b3MakeFloat4(v0.xyz,0.f);\n" -" float4 b1 = b3MakeFloat4(v1.xyz,0.f);\n" -" return cross(a1, b1);\n" -" }\n" -" #define b3MinFloat4 min\n" -" #define b3MaxFloat4 max\n" -" #define b3Normalized(a) normalize(a)\n" -"#endif \n" -" \n" -"inline bool b3IsAlmostZero(b3Float4ConstArg v)\n" -"{\n" -" if(b3Fabs(v.x)>1e-6 || b3Fabs(v.y)>1e-6 || b3Fabs(v.z)>1e-6) \n" -" return false;\n" -" return true;\n" -"}\n" -"inline int b3MaxDot( b3Float4ConstArg vec, __global const b3Float4* vecArray, int vecLen, float* dotOut )\n" -"{\n" -" float maxDot = -B3_INFINITY;\n" -" int i = 0;\n" -" int ptIndex = -1;\n" -" for( i = 0; i < vecLen; i++ )\n" -" {\n" -" float dot = b3Dot3F4(vecArray[i],vec);\n" -" \n" -" if( dot > maxDot )\n" -" {\n" -" maxDot = dot;\n" -" ptIndex = i;\n" -" }\n" -" }\n" -" b3Assert(ptIndex>=0);\n" -" if (ptIndex<0)\n" -" {\n" -" ptIndex = 0;\n" -" }\n" -" *dotOut = maxDot;\n" -" return ptIndex;\n" -"}\n" -"#endif //B3_FLOAT4_H\n" -"typedef struct b3Contact4Data b3Contact4Data_t;\n" -"struct b3Contact4Data\n" -"{\n" -" b3Float4 m_worldPosB[4];\n" -"// b3Float4 m_localPosA[4];\n" -"// b3Float4 m_localPosB[4];\n" -" b3Float4 m_worldNormalOnB; // w: m_nPoints\n" -" unsigned short m_restituitionCoeffCmp;\n" -" unsigned short m_frictionCoeffCmp;\n" -" int m_batchIdx;\n" -" int m_bodyAPtrAndSignBit;//x:m_bodyAPtr, y:m_bodyBPtr\n" -" int m_bodyBPtrAndSignBit;\n" -" int m_childIndexA;\n" -" int m_childIndexB;\n" -" int m_unused1;\n" -" int m_unused2;\n" -"};\n" -"inline int b3Contact4Data_getNumPoints(const struct b3Contact4Data* contact)\n" -"{\n" -" return (int)contact->m_worldNormalOnB.w;\n" -"};\n" -"inline void b3Contact4Data_setNumPoints(struct b3Contact4Data* contact, int numPoints)\n" -"{\n" -" contact->m_worldNormalOnB.w = (float)numPoints;\n" -"};\n" -"#endif //B3_CONTACT4DATA_H\n" -"#define SHAPE_CONVEX_HULL 3\n" -"#define SHAPE_PLANE 4\n" -"#define SHAPE_CONCAVE_TRIMESH 5\n" -"#define SHAPE_COMPOUND_OF_CONVEX_HULLS 6\n" -"#define SHAPE_SPHERE 7\n" -"#pragma OPENCL EXTENSION cl_amd_printf : enable\n" -"#pragma OPENCL EXTENSION cl_khr_local_int32_base_atomics : enable\n" -"#pragma OPENCL EXTENSION cl_khr_global_int32_base_atomics : enable\n" -"#pragma OPENCL EXTENSION cl_khr_local_int32_extended_atomics : enable\n" -"#pragma OPENCL EXTENSION cl_khr_global_int32_extended_atomics : enable\n" -"#ifdef cl_ext_atomic_counters_32\n" -"#pragma OPENCL EXTENSION cl_ext_atomic_counters_32 : enable\n" -"#else\n" -"#define counter32_t volatile __global int*\n" -"#endif\n" -"#define GET_GROUP_IDX get_group_id(0)\n" -"#define GET_LOCAL_IDX get_local_id(0)\n" -"#define GET_GLOBAL_IDX get_global_id(0)\n" -"#define GET_GROUP_SIZE get_local_size(0)\n" -"#define GET_NUM_GROUPS get_num_groups(0)\n" -"#define GROUP_LDS_BARRIER barrier(CLK_LOCAL_MEM_FENCE)\n" -"#define GROUP_MEM_FENCE mem_fence(CLK_LOCAL_MEM_FENCE)\n" -"#define AtomInc(x) atom_inc(&(x))\n" -"#define AtomInc1(x, out) out = atom_inc(&(x))\n" -"#define AppendInc(x, out) out = atomic_inc(x)\n" -"#define AtomAdd(x, value) atom_add(&(x), value)\n" -"#define AtomCmpxhg(x, cmp, value) atom_cmpxchg( &(x), cmp, value )\n" -"#define AtomXhg(x, value) atom_xchg ( &(x), value )\n" -"#define max2 max\n" -"#define min2 min\n" -"typedef unsigned int u32;\n" -"typedef struct \n" -"{\n" -" union\n" -" {\n" -" float4 m_min;\n" -" float m_minElems[4];\n" -" int m_minIndices[4];\n" -" };\n" -" union\n" -" {\n" -" float4 m_max;\n" -" float m_maxElems[4];\n" -" int m_maxIndices[4];\n" -" };\n" -"} btAabbCL;\n" -"///keep this in sync with btCollidable.h\n" -"typedef struct\n" -"{\n" -" int m_numChildShapes;\n" -" float m_radius;\n" -" int m_shapeType;\n" -" int m_shapeIndex;\n" -" \n" -"} btCollidableGpu;\n" -"typedef struct\n" -"{\n" -" float4 m_childPosition;\n" -" float4 m_childOrientation;\n" -" int m_shapeIndex;\n" -" int m_unused0;\n" -" int m_unused1;\n" -" int m_unused2;\n" -"} btGpuChildShape;\n" -"#define GET_NPOINTS(x) (x).m_worldNormalOnB.w\n" -"typedef struct\n" -"{\n" -" float4 m_pos;\n" -" float4 m_quat;\n" -" float4 m_linVel;\n" -" float4 m_angVel;\n" -" u32 m_collidableIdx; \n" -" float m_invMass;\n" -" float m_restituitionCoeff;\n" -" float m_frictionCoeff;\n" -"} BodyData;\n" -"typedef struct \n" -"{\n" -" float4 m_localCenter;\n" -" float4 m_extents;\n" -" float4 mC;\n" -" float4 mE;\n" -" \n" -" float m_radius;\n" -" int m_faceOffset;\n" -" int m_numFaces;\n" -" int m_numVertices;\n" -" \n" -" int m_vertexOffset;\n" -" int m_uniqueEdgesOffset;\n" -" int m_numUniqueEdges;\n" -" int m_unused;\n" -"} ConvexPolyhedronCL;\n" -"typedef struct\n" -"{\n" -" float4 m_plane;\n" -" int m_indexOffset;\n" -" int m_numIndices;\n" -"} btGpuFace;\n" -"#define SELECT_UINT4( b, a, condition ) select( b,a,condition )\n" -"#define make_float4 (float4)\n" -"#define make_float2 (float2)\n" -"#define make_uint4 (uint4)\n" -"#define make_int4 (int4)\n" -"#define make_uint2 (uint2)\n" -"#define make_int2 (int2)\n" -"__inline\n" -"float fastDiv(float numerator, float denominator)\n" -"{\n" -" return native_divide(numerator, denominator); \n" -"// return numerator/denominator; \n" -"}\n" -"__inline\n" -"float4 fastDiv4(float4 numerator, float4 denominator)\n" -"{\n" -" return native_divide(numerator, denominator); \n" -"}\n" -"__inline\n" -"float4 cross3(float4 a, float4 b)\n" -"{\n" -" return cross(a,b);\n" -"}\n" -"//#define dot3F4 dot\n" -"__inline\n" -"float dot3F4(float4 a, float4 b)\n" -"{\n" -" float4 a1 = make_float4(a.xyz,0.f);\n" -" float4 b1 = make_float4(b.xyz,0.f);\n" -" return dot(a1, b1);\n" -"}\n" -"__inline\n" -"float4 fastNormalize4(float4 v)\n" -"{\n" -" return fast_normalize(v);\n" -"}\n" -"///////////////////////////////////////\n" -"// Quaternion\n" -"///////////////////////////////////////\n" -"typedef float4 Quaternion;\n" -"__inline\n" -"Quaternion qtMul(Quaternion a, Quaternion b);\n" -"__inline\n" -"Quaternion qtNormalize(Quaternion in);\n" -"__inline\n" -"float4 qtRotate(Quaternion q, float4 vec);\n" -"__inline\n" -"Quaternion qtInvert(Quaternion q);\n" -"__inline\n" -"Quaternion qtMul(Quaternion a, Quaternion b)\n" -"{\n" -" Quaternion ans;\n" -" ans = cross3( a, b );\n" -" ans += a.w*b+b.w*a;\n" -"// ans.w = a.w*b.w - (a.x*b.x+a.y*b.y+a.z*b.z);\n" -" ans.w = a.w*b.w - dot3F4(a, b);\n" -" return ans;\n" -"}\n" -"__inline\n" -"Quaternion qtNormalize(Quaternion in)\n" -"{\n" -" return fastNormalize4(in);\n" -"// in /= length( in );\n" -"// return in;\n" -"}\n" -"__inline\n" -"float4 qtRotate(Quaternion q, float4 vec)\n" -"{\n" -" Quaternion qInv = qtInvert( q );\n" -" float4 vcpy = vec;\n" -" vcpy.w = 0.f;\n" -" float4 out = qtMul(qtMul(q,vcpy),qInv);\n" -" return out;\n" -"}\n" -"__inline\n" -"Quaternion qtInvert(Quaternion q)\n" -"{\n" -" return (Quaternion)(-q.xyz, q.w);\n" -"}\n" -"__inline\n" -"float4 qtInvRotate(const Quaternion q, float4 vec)\n" -"{\n" -" return qtRotate( qtInvert( q ), vec );\n" -"}\n" -"__inline\n" -"float4 transform(const float4* p, const float4* translation, const Quaternion* orientation)\n" -"{\n" -" return qtRotate( *orientation, *p ) + (*translation);\n" -"}\n" -"void trInverse(float4 translationIn, Quaternion orientationIn,\n" -" float4* translationOut, Quaternion* orientationOut)\n" -"{\n" -" *orientationOut = qtInvert(orientationIn);\n" -" *translationOut = qtRotate(*orientationOut, -translationIn);\n" -"}\n" -"void trMul(float4 translationA, Quaternion orientationA,\n" -" float4 translationB, Quaternion orientationB,\n" -" float4* translationOut, Quaternion* orientationOut)\n" -"{\n" -" *orientationOut = qtMul(orientationA,orientationB);\n" -" *translationOut = transform(&translationB,&translationA,&orientationA);\n" -"}\n" -"__inline\n" -"float4 normalize3(const float4 a)\n" -"{\n" -" float4 n = make_float4(a.x, a.y, a.z, 0.f);\n" -" return fastNormalize4( n );\n" -"}\n" -"__inline float4 lerp3(const float4 a,const float4 b, float t)\n" -"{\n" -" return make_float4( a.x + (b.x - a.x) * t,\n" -" a.y + (b.y - a.y) * t,\n" -" a.z + (b.z - a.z) * t,\n" -" 0.f);\n" -"}\n" -"float signedDistanceFromPointToPlane(float4 point, float4 planeEqn, float4* closestPointOnFace)\n" -"{\n" -" float4 n = (float4)(planeEqn.x, planeEqn.y, planeEqn.z, 0);\n" -" float dist = dot3F4(n, point) + planeEqn.w;\n" -" *closestPointOnFace = point - dist * n;\n" -" return dist;\n" -"}\n" -"inline bool IsPointInPolygon(float4 p, \n" -" const btGpuFace* face,\n" -" __global const float4* baseVertex,\n" -" __global const int* convexIndices,\n" -" float4* out)\n" -"{\n" -" float4 a;\n" -" float4 b;\n" -" float4 ab;\n" -" float4 ap;\n" -" float4 v;\n" -" float4 plane = make_float4(face->m_plane.x,face->m_plane.y,face->m_plane.z,0.f);\n" -" \n" -" if (face->m_numIndices<2)\n" -" return false;\n" -" \n" -" float4 v0 = baseVertex[convexIndices[face->m_indexOffset + face->m_numIndices-1]];\n" -" \n" -" b = v0;\n" -" for(unsigned i=0; i != face->m_numIndices; ++i)\n" -" {\n" -" a = b;\n" -" float4 vi = baseVertex[convexIndices[face->m_indexOffset + i]];\n" -" b = vi;\n" -" ab = b-a;\n" -" ap = p-a;\n" -" v = cross3(ab,plane);\n" -" if (dot(ap, v) > 0.f)\n" -" {\n" -" float ab_m2 = dot(ab, ab);\n" -" float rt = ab_m2 != 0.f ? dot(ab, ap) / ab_m2 : 0.f;\n" -" if (rt <= 0.f)\n" -" {\n" -" *out = a;\n" -" }\n" -" else if (rt >= 1.f) \n" -" {\n" -" *out = b;\n" -" }\n" -" else\n" -" {\n" -" float s = 1.f - rt;\n" -" out[0].x = s * a.x + rt * b.x;\n" -" out[0].y = s * a.y + rt * b.y;\n" -" out[0].z = s * a.z + rt * b.z;\n" -" }\n" -" return false;\n" -" }\n" -" }\n" -" return true;\n" -"}\n" -"void computeContactSphereConvex(int pairIndex,\n" -" int bodyIndexA, int bodyIndexB, \n" -" int collidableIndexA, int collidableIndexB, \n" -" __global const BodyData* rigidBodies, \n" -" __global const btCollidableGpu* collidables,\n" -" __global const ConvexPolyhedronCL* convexShapes,\n" -" __global const float4* convexVertices,\n" -" __global const int* convexIndices,\n" -" __global const btGpuFace* faces,\n" -" __global struct b3Contact4Data* restrict globalContactsOut,\n" -" counter32_t nGlobalContactsOut,\n" -" int maxContactCapacity,\n" -" float4 spherePos2,\n" -" float radius,\n" -" float4 pos,\n" -" float4 quat\n" -" )\n" -"{\n" -" float4 invPos;\n" -" float4 invOrn;\n" -" trInverse(pos,quat, &invPos,&invOrn);\n" -" float4 spherePos = transform(&spherePos2,&invPos,&invOrn);\n" -" int shapeIndex = collidables[collidableIndexB].m_shapeIndex;\n" -" int numFaces = convexShapes[shapeIndex].m_numFaces;\n" -" float4 closestPnt = (float4)(0, 0, 0, 0);\n" -" float4 hitNormalWorld = (float4)(0, 0, 0, 0);\n" -" float minDist = -1000000.f;\n" -" bool bCollide = true;\n" -" for ( int f = 0; f < numFaces; f++ )\n" -" {\n" -" btGpuFace face = faces[convexShapes[shapeIndex].m_faceOffset+f];\n" -" // set up a plane equation \n" -" float4 planeEqn;\n" -" float4 n1 = face.m_plane;\n" -" n1.w = 0.f;\n" -" planeEqn = n1;\n" -" planeEqn.w = face.m_plane.w;\n" -" \n" -" \n" -" // compute a signed distance from the vertex in cloth to the face of rigidbody.\n" -" float4 pntReturn;\n" -" float dist = signedDistanceFromPointToPlane(spherePos, planeEqn, &pntReturn);\n" -" // If the distance is positive, the plane is a separating plane. \n" -" if ( dist > radius )\n" -" {\n" -" bCollide = false;\n" -" break;\n" -" }\n" -" if (dist>0)\n" -" {\n" -" //might hit an edge or vertex\n" -" float4 out;\n" -" float4 zeroPos = make_float4(0,0,0,0);\n" -" bool isInPoly = IsPointInPolygon(spherePos,\n" -" &face,\n" -" &convexVertices[convexShapes[shapeIndex].m_vertexOffset],\n" -" convexIndices,\n" -" &out);\n" -" if (isInPoly)\n" -" {\n" -" if (dist>minDist)\n" -" {\n" -" minDist = dist;\n" -" closestPnt = pntReturn;\n" -" hitNormalWorld = planeEqn;\n" -" \n" -" }\n" -" } else\n" -" {\n" -" float4 tmp = spherePos-out;\n" -" float l2 = dot(tmp,tmp);\n" -" if (l2<radius*radius)\n" -" {\n" -" dist = sqrt(l2);\n" -" if (dist>minDist)\n" -" {\n" -" minDist = dist;\n" -" closestPnt = out;\n" -" hitNormalWorld = tmp/dist;\n" -" \n" -" }\n" -" \n" -" } else\n" -" {\n" -" bCollide = false;\n" -" break;\n" -" }\n" -" }\n" -" } else\n" -" {\n" -" if ( dist > minDist )\n" -" {\n" -" minDist = dist;\n" -" closestPnt = pntReturn;\n" -" hitNormalWorld.xyz = planeEqn.xyz;\n" -" }\n" -" }\n" -" \n" -" }\n" -" \n" -" if (bCollide && minDist > -10000)\n" -" {\n" -" float4 normalOnSurfaceB1 = qtRotate(quat,-hitNormalWorld);\n" -" float4 pOnB1 = transform(&closestPnt,&pos,&quat);\n" -" \n" -" float actualDepth = minDist-radius;\n" -" if (actualDepth<=0.f)\n" -" {\n" -" \n" -" pOnB1.w = actualDepth;\n" -" int dstIdx;\n" -" AppendInc( nGlobalContactsOut, dstIdx );\n" -" \n" -" \n" -" if (1)//dstIdx < maxContactCapacity)\n" -" {\n" -" __global struct b3Contact4Data* c = &globalContactsOut[dstIdx];\n" -" c->m_worldNormalOnB = -normalOnSurfaceB1;\n" -" c->m_restituitionCoeffCmp = (0.f*0xffff);c->m_frictionCoeffCmp = (0.7f*0xffff);\n" -" c->m_batchIdx = pairIndex;\n" -" c->m_bodyAPtrAndSignBit = rigidBodies[bodyIndexA].m_invMass==0?-bodyIndexA:bodyIndexA;\n" -" c->m_bodyBPtrAndSignBit = rigidBodies[bodyIndexB].m_invMass==0?-bodyIndexB:bodyIndexB;\n" -" c->m_worldPosB[0] = pOnB1;\n" -" c->m_childIndexA = -1;\n" -" c->m_childIndexB = -1;\n" -" GET_NPOINTS(*c) = 1;\n" -" } \n" -" }\n" -" }//if (hasCollision)\n" -"}\n" -" \n" -"int extractManifoldSequential(const float4* p, int nPoints, float4 nearNormal, int4* contactIdx)\n" -"{\n" -" if( nPoints == 0 )\n" -" return 0;\n" -" \n" -" if (nPoints <=4)\n" -" return nPoints;\n" -" \n" -" \n" -" if (nPoints >64)\n" -" nPoints = 64;\n" -" \n" -" float4 center = make_float4(0.f);\n" -" {\n" -" \n" -" for (int i=0;i<nPoints;i++)\n" -" center += p[i];\n" -" center /= (float)nPoints;\n" -" }\n" -" \n" -" \n" -" \n" -" // sample 4 directions\n" -" \n" -" float4 aVector = p[0] - center;\n" -" float4 u = cross3( nearNormal, aVector );\n" -" float4 v = cross3( nearNormal, u );\n" -" u = normalize3( u );\n" -" v = normalize3( v );\n" -" \n" -" \n" -" //keep point with deepest penetration\n" -" float minW= FLT_MAX;\n" -" \n" -" int minIndex=-1;\n" -" \n" -" float4 maxDots;\n" -" maxDots.x = FLT_MIN;\n" -" maxDots.y = FLT_MIN;\n" -" maxDots.z = FLT_MIN;\n" -" maxDots.w = FLT_MIN;\n" -" \n" -" // idx, distance\n" -" for(int ie = 0; ie<nPoints; ie++ )\n" -" {\n" -" if (p[ie].w<minW)\n" -" {\n" -" minW = p[ie].w;\n" -" minIndex=ie;\n" -" }\n" -" float f;\n" -" float4 r = p[ie]-center;\n" -" f = dot3F4( u, r );\n" -" if (f<maxDots.x)\n" -" {\n" -" maxDots.x = f;\n" -" contactIdx[0].x = ie;\n" -" }\n" -" \n" -" f = dot3F4( -u, r );\n" -" if (f<maxDots.y)\n" -" {\n" -" maxDots.y = f;\n" -" contactIdx[0].y = ie;\n" -" }\n" -" \n" -" \n" -" f = dot3F4( v, r );\n" -" if (f<maxDots.z)\n" -" {\n" -" maxDots.z = f;\n" -" contactIdx[0].z = ie;\n" -" }\n" -" \n" -" f = dot3F4( -v, r );\n" -" if (f<maxDots.w)\n" -" {\n" -" maxDots.w = f;\n" -" contactIdx[0].w = ie;\n" -" }\n" -" \n" -" }\n" -" \n" -" if (contactIdx[0].x != minIndex && contactIdx[0].y != minIndex && contactIdx[0].z != minIndex && contactIdx[0].w != minIndex)\n" -" {\n" -" //replace the first contact with minimum (todo: replace contact with least penetration)\n" -" contactIdx[0].x = minIndex;\n" -" }\n" -" \n" -" return 4;\n" -" \n" -"}\n" -"#define MAX_PLANE_CONVEX_POINTS 64\n" -"int computeContactPlaneConvex(int pairIndex,\n" -" int bodyIndexA, int bodyIndexB, \n" -" int collidableIndexA, int collidableIndexB, \n" -" __global const BodyData* rigidBodies, \n" -" __global const btCollidableGpu*collidables,\n" -" __global const ConvexPolyhedronCL* convexShapes,\n" -" __global const float4* convexVertices,\n" -" __global const int* convexIndices,\n" -" __global const btGpuFace* faces,\n" -" __global struct b3Contact4Data* restrict globalContactsOut,\n" -" counter32_t nGlobalContactsOut,\n" -" int maxContactCapacity,\n" -" float4 posB,\n" -" Quaternion ornB\n" -" )\n" -"{\n" -" int resultIndex=-1;\n" -" int shapeIndex = collidables[collidableIndexB].m_shapeIndex;\n" -" __global const ConvexPolyhedronCL* hullB = &convexShapes[shapeIndex];\n" -" \n" -" float4 posA;\n" -" posA = rigidBodies[bodyIndexA].m_pos;\n" -" Quaternion ornA;\n" -" ornA = rigidBodies[bodyIndexA].m_quat;\n" -" int numContactsOut = 0;\n" -" int numWorldVertsB1= 0;\n" -" float4 planeEq;\n" -" planeEq = faces[collidables[collidableIndexA].m_shapeIndex].m_plane;\n" -" float4 planeNormal = make_float4(planeEq.x,planeEq.y,planeEq.z,0.f);\n" -" float4 planeNormalWorld;\n" -" planeNormalWorld = qtRotate(ornA,planeNormal);\n" -" float planeConstant = planeEq.w;\n" -" \n" -" float4 invPosA;Quaternion invOrnA;\n" -" float4 convexInPlaneTransPos1; Quaternion convexInPlaneTransOrn1;\n" -" {\n" -" \n" -" trInverse(posA,ornA,&invPosA,&invOrnA);\n" -" trMul(invPosA,invOrnA,posB,ornB,&convexInPlaneTransPos1,&convexInPlaneTransOrn1);\n" -" }\n" -" float4 invPosB;Quaternion invOrnB;\n" -" float4 planeInConvexPos1; Quaternion planeInConvexOrn1;\n" -" {\n" -" \n" -" trInverse(posB,ornB,&invPosB,&invOrnB);\n" -" trMul(invPosB,invOrnB,posA,ornA,&planeInConvexPos1,&planeInConvexOrn1); \n" -" }\n" -" \n" -" float4 planeNormalInConvex = qtRotate(planeInConvexOrn1,-planeNormal);\n" -" float maxDot = -1e30;\n" -" int hitVertex=-1;\n" -" float4 hitVtx;\n" -" float4 contactPoints[MAX_PLANE_CONVEX_POINTS];\n" -" int numPoints = 0;\n" -" int4 contactIdx;\n" -" contactIdx=make_int4(0,1,2,3);\n" -" \n" -" \n" -" for (int i=0;i<hullB->m_numVertices;i++)\n" -" {\n" -" float4 vtx = convexVertices[hullB->m_vertexOffset+i];\n" -" float curDot = dot(vtx,planeNormalInConvex);\n" -" if (curDot>maxDot)\n" -" {\n" -" hitVertex=i;\n" -" maxDot=curDot;\n" -" hitVtx = vtx;\n" -" //make sure the deepest points is always included\n" -" if (numPoints==MAX_PLANE_CONVEX_POINTS)\n" -" numPoints--;\n" -" }\n" -" if (numPoints<MAX_PLANE_CONVEX_POINTS)\n" -" {\n" -" float4 vtxWorld = transform(&vtx, &posB, &ornB);\n" -" float4 vtxInPlane = transform(&vtxWorld, &invPosA, &invOrnA);//oplaneTransform.inverse()*vtxWorld;\n" -" float dist = dot(planeNormal,vtxInPlane)-planeConstant;\n" -" if (dist<0.f)\n" -" {\n" -" vtxWorld.w = dist;\n" -" contactPoints[numPoints] = vtxWorld;\n" -" numPoints++;\n" -" }\n" -" }\n" -" }\n" -" int numReducedPoints = numPoints;\n" -" if (numPoints>4)\n" -" {\n" -" numReducedPoints = extractManifoldSequential( contactPoints, numPoints, planeNormalInConvex, &contactIdx);\n" -" }\n" -" if (numReducedPoints>0)\n" -" {\n" -" int dstIdx;\n" -" AppendInc( nGlobalContactsOut, dstIdx );\n" -" if (dstIdx < maxContactCapacity)\n" -" {\n" -" resultIndex = dstIdx;\n" -" __global struct b3Contact4Data* c = &globalContactsOut[dstIdx];\n" -" c->m_worldNormalOnB = -planeNormalWorld;\n" -" //c->setFrictionCoeff(0.7);\n" -" //c->setRestituitionCoeff(0.f);\n" -" c->m_restituitionCoeffCmp = (0.f*0xffff);c->m_frictionCoeffCmp = (0.7f*0xffff);\n" -" c->m_batchIdx = pairIndex;\n" -" c->m_bodyAPtrAndSignBit = rigidBodies[bodyIndexA].m_invMass==0?-bodyIndexA:bodyIndexA;\n" -" c->m_bodyBPtrAndSignBit = rigidBodies[bodyIndexB].m_invMass==0?-bodyIndexB:bodyIndexB;\n" -" c->m_childIndexA = -1;\n" -" c->m_childIndexB = -1;\n" -" switch (numReducedPoints)\n" -" {\n" -" case 4:\n" -" c->m_worldPosB[3] = contactPoints[contactIdx.w];\n" -" case 3:\n" -" c->m_worldPosB[2] = contactPoints[contactIdx.z];\n" -" case 2:\n" -" c->m_worldPosB[1] = contactPoints[contactIdx.y];\n" -" case 1:\n" -" c->m_worldPosB[0] = contactPoints[contactIdx.x];\n" -" default:\n" -" {\n" -" }\n" -" };\n" -" \n" -" GET_NPOINTS(*c) = numReducedPoints;\n" -" }//if (dstIdx < numPairs)\n" -" } \n" -" return resultIndex;\n" -"}\n" -"void computeContactPlaneSphere(int pairIndex,\n" -" int bodyIndexA, int bodyIndexB, \n" -" int collidableIndexA, int collidableIndexB, \n" -" __global const BodyData* rigidBodies, \n" -" __global const btCollidableGpu* collidables,\n" -" __global const btGpuFace* faces,\n" -" __global struct b3Contact4Data* restrict globalContactsOut,\n" -" counter32_t nGlobalContactsOut,\n" -" int maxContactCapacity)\n" -"{\n" -" float4 planeEq = faces[collidables[collidableIndexA].m_shapeIndex].m_plane;\n" -" float radius = collidables[collidableIndexB].m_radius;\n" -" float4 posA1 = rigidBodies[bodyIndexA].m_pos;\n" -" float4 ornA1 = rigidBodies[bodyIndexA].m_quat;\n" -" float4 posB1 = rigidBodies[bodyIndexB].m_pos;\n" -" float4 ornB1 = rigidBodies[bodyIndexB].m_quat;\n" -" \n" -" bool hasCollision = false;\n" -" float4 planeNormal1 = make_float4(planeEq.x,planeEq.y,planeEq.z,0.f);\n" -" float planeConstant = planeEq.w;\n" -" float4 convexInPlaneTransPos1; Quaternion convexInPlaneTransOrn1;\n" -" {\n" -" float4 invPosA;Quaternion invOrnA;\n" -" trInverse(posA1,ornA1,&invPosA,&invOrnA);\n" -" trMul(invPosA,invOrnA,posB1,ornB1,&convexInPlaneTransPos1,&convexInPlaneTransOrn1);\n" -" }\n" -" float4 planeInConvexPos1; Quaternion planeInConvexOrn1;\n" -" {\n" -" float4 invPosB;Quaternion invOrnB;\n" -" trInverse(posB1,ornB1,&invPosB,&invOrnB);\n" -" trMul(invPosB,invOrnB,posA1,ornA1,&planeInConvexPos1,&planeInConvexOrn1); \n" -" }\n" -" float4 vtx1 = qtRotate(planeInConvexOrn1,-planeNormal1)*radius;\n" -" float4 vtxInPlane1 = transform(&vtx1,&convexInPlaneTransPos1,&convexInPlaneTransOrn1);\n" -" float distance = dot3F4(planeNormal1,vtxInPlane1) - planeConstant;\n" -" hasCollision = distance < 0.f;//m_manifoldPtr->getContactBreakingThreshold();\n" -" if (hasCollision)\n" -" {\n" -" float4 vtxInPlaneProjected1 = vtxInPlane1 - distance*planeNormal1;\n" -" float4 vtxInPlaneWorld1 = transform(&vtxInPlaneProjected1,&posA1,&ornA1);\n" -" float4 normalOnSurfaceB1 = qtRotate(ornA1,planeNormal1);\n" -" float4 pOnB1 = vtxInPlaneWorld1+normalOnSurfaceB1*distance;\n" -" pOnB1.w = distance;\n" -" int dstIdx;\n" -" AppendInc( nGlobalContactsOut, dstIdx );\n" -" \n" -" if (dstIdx < maxContactCapacity)\n" -" {\n" -" __global struct b3Contact4Data* c = &globalContactsOut[dstIdx];\n" -" c->m_worldNormalOnB = -normalOnSurfaceB1;\n" -" c->m_restituitionCoeffCmp = (0.f*0xffff);c->m_frictionCoeffCmp = (0.7f*0xffff);\n" -" c->m_batchIdx = pairIndex;\n" -" c->m_bodyAPtrAndSignBit = rigidBodies[bodyIndexA].m_invMass==0?-bodyIndexA:bodyIndexA;\n" -" c->m_bodyBPtrAndSignBit = rigidBodies[bodyIndexB].m_invMass==0?-bodyIndexB:bodyIndexB;\n" -" c->m_worldPosB[0] = pOnB1;\n" -" c->m_childIndexA = -1;\n" -" c->m_childIndexB = -1;\n" -" GET_NPOINTS(*c) = 1;\n" -" }//if (dstIdx < numPairs)\n" -" }//if (hasCollision)\n" -"}\n" -"__kernel void primitiveContactsKernel( __global int4* pairs, \n" -" __global const BodyData* rigidBodies, \n" -" __global const btCollidableGpu* collidables,\n" -" __global const ConvexPolyhedronCL* convexShapes, \n" -" __global const float4* vertices,\n" -" __global const float4* uniqueEdges,\n" -" __global const btGpuFace* faces,\n" -" __global const int* indices,\n" -" __global struct b3Contact4Data* restrict globalContactsOut,\n" -" counter32_t nGlobalContactsOut,\n" -" int numPairs, int maxContactCapacity)\n" -"{\n" -" int i = get_global_id(0);\n" -" int pairIndex = i;\n" -" \n" -" float4 worldVertsB1[64];\n" -" float4 worldVertsB2[64];\n" -" int capacityWorldVerts = 64; \n" -" float4 localContactsOut[64];\n" -" int localContactCapacity=64;\n" -" \n" -" float minDist = -1e30f;\n" -" float maxDist = 0.02f;\n" -" if (i<numPairs)\n" -" {\n" -" int bodyIndexA = pairs[i].x;\n" -" int bodyIndexB = pairs[i].y;\n" -" \n" -" int collidableIndexA = rigidBodies[bodyIndexA].m_collidableIdx;\n" -" int collidableIndexB = rigidBodies[bodyIndexB].m_collidableIdx;\n" -" \n" -" if (collidables[collidableIndexA].m_shapeType == SHAPE_PLANE &&\n" -" collidables[collidableIndexB].m_shapeType == SHAPE_CONVEX_HULL)\n" -" {\n" -" float4 posB;\n" -" posB = rigidBodies[bodyIndexB].m_pos;\n" -" Quaternion ornB;\n" -" ornB = rigidBodies[bodyIndexB].m_quat;\n" -" int contactIndex = computeContactPlaneConvex(pairIndex, bodyIndexA, bodyIndexB, collidableIndexA, collidableIndexB, \n" -" rigidBodies,collidables,convexShapes,vertices,indices,\n" -" faces, globalContactsOut, nGlobalContactsOut,maxContactCapacity, posB,ornB);\n" -" if (contactIndex>=0)\n" -" pairs[pairIndex].z = contactIndex;\n" -" return;\n" -" }\n" -" if (collidables[collidableIndexA].m_shapeType == SHAPE_CONVEX_HULL &&\n" -" collidables[collidableIndexB].m_shapeType == SHAPE_PLANE)\n" -" {\n" -" float4 posA;\n" -" posA = rigidBodies[bodyIndexA].m_pos;\n" -" Quaternion ornA;\n" -" ornA = rigidBodies[bodyIndexA].m_quat;\n" -" int contactIndex = computeContactPlaneConvex( pairIndex, bodyIndexB,bodyIndexA, collidableIndexB,collidableIndexA, \n" -" rigidBodies,collidables,convexShapes,vertices,indices,\n" -" faces, globalContactsOut, nGlobalContactsOut,maxContactCapacity,posA,ornA);\n" -" if (contactIndex>=0)\n" -" pairs[pairIndex].z = contactIndex;\n" -" return;\n" -" }\n" -" if (collidables[collidableIndexA].m_shapeType == SHAPE_PLANE &&\n" -" collidables[collidableIndexB].m_shapeType == SHAPE_SPHERE)\n" -" {\n" -" computeContactPlaneSphere(pairIndex, bodyIndexA, bodyIndexB, collidableIndexA, collidableIndexB, \n" -" rigidBodies,collidables,faces, globalContactsOut, nGlobalContactsOut,maxContactCapacity);\n" -" return;\n" -" }\n" -" if (collidables[collidableIndexA].m_shapeType == SHAPE_SPHERE &&\n" -" collidables[collidableIndexB].m_shapeType == SHAPE_PLANE)\n" -" {\n" -" computeContactPlaneSphere( pairIndex, bodyIndexB,bodyIndexA, collidableIndexB,collidableIndexA, \n" -" rigidBodies,collidables,\n" -" faces, globalContactsOut, nGlobalContactsOut,maxContactCapacity);\n" -" return;\n" -" }\n" -" \n" -" \n" -" if (collidables[collidableIndexA].m_shapeType == SHAPE_SPHERE &&\n" -" collidables[collidableIndexB].m_shapeType == SHAPE_CONVEX_HULL)\n" -" {\n" -" \n" -" float4 spherePos = rigidBodies[bodyIndexA].m_pos;\n" -" float sphereRadius = collidables[collidableIndexA].m_radius;\n" -" float4 convexPos = rigidBodies[bodyIndexB].m_pos;\n" -" float4 convexOrn = rigidBodies[bodyIndexB].m_quat;\n" -" computeContactSphereConvex(pairIndex, bodyIndexA, bodyIndexB, collidableIndexA, collidableIndexB, \n" -" rigidBodies,collidables,convexShapes,vertices,indices,faces, globalContactsOut, nGlobalContactsOut,maxContactCapacity,\n" -" spherePos,sphereRadius,convexPos,convexOrn);\n" -" return;\n" -" }\n" -" if (collidables[collidableIndexA].m_shapeType == SHAPE_CONVEX_HULL &&\n" -" collidables[collidableIndexB].m_shapeType == SHAPE_SPHERE)\n" -" {\n" -" \n" -" float4 spherePos = rigidBodies[bodyIndexB].m_pos;\n" -" float sphereRadius = collidables[collidableIndexB].m_radius;\n" -" float4 convexPos = rigidBodies[bodyIndexA].m_pos;\n" -" float4 convexOrn = rigidBodies[bodyIndexA].m_quat;\n" -" computeContactSphereConvex(pairIndex, bodyIndexB, bodyIndexA, collidableIndexB, collidableIndexA, \n" -" rigidBodies,collidables,convexShapes,vertices,indices,faces, globalContactsOut, nGlobalContactsOut,maxContactCapacity,\n" -" spherePos,sphereRadius,convexPos,convexOrn);\n" -" return;\n" -" }\n" -" \n" -" \n" -" \n" -" \n" -" \n" -" \n" -" if (collidables[collidableIndexA].m_shapeType == SHAPE_SPHERE &&\n" -" collidables[collidableIndexB].m_shapeType == SHAPE_SPHERE)\n" -" {\n" -" //sphere-sphere\n" -" float radiusA = collidables[collidableIndexA].m_radius;\n" -" float radiusB = collidables[collidableIndexB].m_radius;\n" -" float4 posA = rigidBodies[bodyIndexA].m_pos;\n" -" float4 posB = rigidBodies[bodyIndexB].m_pos;\n" -" float4 diff = posA-posB;\n" -" float len = length(diff);\n" -" \n" -" ///iff distance positive, don't generate a new contact\n" -" if ( len <= (radiusA+radiusB))\n" -" {\n" -" ///distance (negative means penetration)\n" -" float dist = len - (radiusA+radiusB);\n" -" float4 normalOnSurfaceB = make_float4(1.f,0.f,0.f,0.f);\n" -" if (len > 0.00001)\n" -" {\n" -" normalOnSurfaceB = diff / len;\n" -" }\n" -" float4 contactPosB = posB + normalOnSurfaceB*radiusB;\n" -" contactPosB.w = dist;\n" -" \n" -" int dstIdx;\n" -" AppendInc( nGlobalContactsOut, dstIdx );\n" -" \n" -" if (dstIdx < maxContactCapacity)\n" -" {\n" -" __global struct b3Contact4Data* c = &globalContactsOut[dstIdx];\n" -" c->m_worldNormalOnB = normalOnSurfaceB;\n" -" c->m_restituitionCoeffCmp = (0.f*0xffff);c->m_frictionCoeffCmp = (0.7f*0xffff);\n" -" c->m_batchIdx = pairIndex;\n" -" int bodyA = pairs[pairIndex].x;\n" -" int bodyB = pairs[pairIndex].y;\n" -" c->m_bodyAPtrAndSignBit = rigidBodies[bodyA].m_invMass==0?-bodyA:bodyA;\n" -" c->m_bodyBPtrAndSignBit = rigidBodies[bodyB].m_invMass==0?-bodyB:bodyB;\n" -" c->m_worldPosB[0] = contactPosB;\n" -" c->m_childIndexA = -1;\n" -" c->m_childIndexB = -1;\n" -" GET_NPOINTS(*c) = 1;\n" -" }//if (dstIdx < numPairs)\n" -" }//if ( len <= (radiusA+radiusB))\n" -" return;\n" -" }//SHAPE_SPHERE SHAPE_SPHERE\n" -" }// if (i<numPairs)\n" -"}\n" -"// work-in-progress\n" -"__kernel void processCompoundPairsPrimitivesKernel( __global const int4* gpuCompoundPairs,\n" -" __global const BodyData* rigidBodies, \n" -" __global const btCollidableGpu* collidables,\n" -" __global const ConvexPolyhedronCL* convexShapes, \n" -" __global const float4* vertices,\n" -" __global const float4* uniqueEdges,\n" -" __global const btGpuFace* faces,\n" -" __global const int* indices,\n" -" __global btAabbCL* aabbs,\n" -" __global const btGpuChildShape* gpuChildShapes,\n" -" __global struct b3Contact4Data* restrict globalContactsOut,\n" -" counter32_t nGlobalContactsOut,\n" -" int numCompoundPairs, int maxContactCapacity\n" -" )\n" -"{\n" -" int i = get_global_id(0);\n" -" if (i<numCompoundPairs)\n" -" {\n" -" int bodyIndexA = gpuCompoundPairs[i].x;\n" -" int bodyIndexB = gpuCompoundPairs[i].y;\n" -" int childShapeIndexA = gpuCompoundPairs[i].z;\n" -" int childShapeIndexB = gpuCompoundPairs[i].w;\n" -" \n" -" int collidableIndexA = -1;\n" -" int collidableIndexB = -1;\n" -" \n" -" float4 ornA = rigidBodies[bodyIndexA].m_quat;\n" -" float4 posA = rigidBodies[bodyIndexA].m_pos;\n" -" \n" -" float4 ornB = rigidBodies[bodyIndexB].m_quat;\n" -" float4 posB = rigidBodies[bodyIndexB].m_pos;\n" -" \n" -" if (childShapeIndexA >= 0)\n" -" {\n" -" collidableIndexA = gpuChildShapes[childShapeIndexA].m_shapeIndex;\n" -" float4 childPosA = gpuChildShapes[childShapeIndexA].m_childPosition;\n" -" float4 childOrnA = gpuChildShapes[childShapeIndexA].m_childOrientation;\n" -" float4 newPosA = qtRotate(ornA,childPosA)+posA;\n" -" float4 newOrnA = qtMul(ornA,childOrnA);\n" -" posA = newPosA;\n" -" ornA = newOrnA;\n" -" } else\n" -" {\n" -" collidableIndexA = rigidBodies[bodyIndexA].m_collidableIdx;\n" -" }\n" -" \n" -" if (childShapeIndexB>=0)\n" -" {\n" -" collidableIndexB = gpuChildShapes[childShapeIndexB].m_shapeIndex;\n" -" float4 childPosB = gpuChildShapes[childShapeIndexB].m_childPosition;\n" -" float4 childOrnB = gpuChildShapes[childShapeIndexB].m_childOrientation;\n" -" float4 newPosB = transform(&childPosB,&posB,&ornB);\n" -" float4 newOrnB = qtMul(ornB,childOrnB);\n" -" posB = newPosB;\n" -" ornB = newOrnB;\n" -" } else\n" -" {\n" -" collidableIndexB = rigidBodies[bodyIndexB].m_collidableIdx; \n" -" }\n" -" \n" -" int shapeIndexA = collidables[collidableIndexA].m_shapeIndex;\n" -" int shapeIndexB = collidables[collidableIndexB].m_shapeIndex;\n" -" \n" -" int shapeTypeA = collidables[collidableIndexA].m_shapeType;\n" -" int shapeTypeB = collidables[collidableIndexB].m_shapeType;\n" -" int pairIndex = i;\n" -" if ((shapeTypeA == SHAPE_PLANE) && (shapeTypeB==SHAPE_CONVEX_HULL))\n" -" {\n" -" computeContactPlaneConvex( pairIndex, bodyIndexA,bodyIndexB, collidableIndexA,collidableIndexB, \n" -" rigidBodies,collidables,convexShapes,vertices,indices,\n" -" faces, globalContactsOut, nGlobalContactsOut,maxContactCapacity,posB,ornB);\n" -" return;\n" -" }\n" -" if ((shapeTypeA == SHAPE_CONVEX_HULL) && (shapeTypeB==SHAPE_PLANE))\n" -" {\n" -" computeContactPlaneConvex( pairIndex, bodyIndexB,bodyIndexA, collidableIndexB,collidableIndexA, \n" -" rigidBodies,collidables,convexShapes,vertices,indices,\n" -" faces, globalContactsOut, nGlobalContactsOut,maxContactCapacity,posA,ornA);\n" -" return;\n" -" }\n" -" if ((shapeTypeA == SHAPE_CONVEX_HULL) && (shapeTypeB == SHAPE_SPHERE))\n" -" {\n" -" float4 spherePos = rigidBodies[bodyIndexB].m_pos;\n" -" float sphereRadius = collidables[collidableIndexB].m_radius;\n" -" float4 convexPos = posA;\n" -" float4 convexOrn = ornA;\n" -" \n" -" computeContactSphereConvex(pairIndex, bodyIndexB, bodyIndexA , collidableIndexB,collidableIndexA, \n" -" rigidBodies,collidables,convexShapes,vertices,indices,faces, globalContactsOut, nGlobalContactsOut,maxContactCapacity,\n" -" spherePos,sphereRadius,convexPos,convexOrn);\n" -" \n" -" return;\n" -" }\n" -" if ((shapeTypeA == SHAPE_SPHERE) && (shapeTypeB == SHAPE_CONVEX_HULL))\n" -" {\n" -" float4 spherePos = rigidBodies[bodyIndexA].m_pos;\n" -" float sphereRadius = collidables[collidableIndexA].m_radius;\n" -" float4 convexPos = posB;\n" -" float4 convexOrn = ornB;\n" -" \n" -" computeContactSphereConvex(pairIndex, bodyIndexA, bodyIndexB, collidableIndexA, collidableIndexB, \n" -" rigidBodies,collidables,convexShapes,vertices,indices,faces, globalContactsOut, nGlobalContactsOut,maxContactCapacity,\n" -" spherePos,sphereRadius,convexPos,convexOrn);\n" -" \n" -" return;\n" -" }\n" -" }// if (i<numCompoundPairs)\n" -"}\n" -"bool pointInTriangle(const float4* vertices, const float4* normal, float4 *p )\n" -"{\n" -" const float4* p1 = &vertices[0];\n" -" const float4* p2 = &vertices[1];\n" -" const float4* p3 = &vertices[2];\n" -" float4 edge1; edge1 = (*p2 - *p1);\n" -" float4 edge2; edge2 = ( *p3 - *p2 );\n" -" float4 edge3; edge3 = ( *p1 - *p3 );\n" -" \n" -" float4 p1_to_p; p1_to_p = ( *p - *p1 );\n" -" float4 p2_to_p; p2_to_p = ( *p - *p2 );\n" -" float4 p3_to_p; p3_to_p = ( *p - *p3 );\n" -" float4 edge1_normal; edge1_normal = ( cross(edge1,*normal));\n" -" float4 edge2_normal; edge2_normal = ( cross(edge2,*normal));\n" -" float4 edge3_normal; edge3_normal = ( cross(edge3,*normal));\n" -" \n" -" \n" -" float r1, r2, r3;\n" -" r1 = dot(edge1_normal,p1_to_p );\n" -" r2 = dot(edge2_normal,p2_to_p );\n" -" r3 = dot(edge3_normal,p3_to_p );\n" -" \n" -" if ( r1 > 0 && r2 > 0 && r3 > 0 )\n" -" return true;\n" -" if ( r1 <= 0 && r2 <= 0 && r3 <= 0 ) \n" -" return true;\n" -" return false;\n" -"}\n" -"float segmentSqrDistance(float4 from, float4 to,float4 p, float4* nearest) \n" -"{\n" -" float4 diff = p - from;\n" -" float4 v = to - from;\n" -" float t = dot(v,diff);\n" -" \n" -" if (t > 0) \n" -" {\n" -" float dotVV = dot(v,v);\n" -" if (t < dotVV) \n" -" {\n" -" t /= dotVV;\n" -" diff -= t*v;\n" -" } else \n" -" {\n" -" t = 1;\n" -" diff -= v;\n" -" }\n" -" } else\n" -" {\n" -" t = 0;\n" -" }\n" -" *nearest = from + t*v;\n" -" return dot(diff,diff); \n" -"}\n" -"void computeContactSphereTriangle(int pairIndex,\n" -" int bodyIndexA, int bodyIndexB,\n" -" int collidableIndexA, int collidableIndexB, \n" -" __global const BodyData* rigidBodies, \n" -" __global const btCollidableGpu* collidables,\n" -" const float4* triangleVertices,\n" -" __global struct b3Contact4Data* restrict globalContactsOut,\n" -" counter32_t nGlobalContactsOut,\n" -" int maxContactCapacity,\n" -" float4 spherePos2,\n" -" float radius,\n" -" float4 pos,\n" -" float4 quat,\n" -" int faceIndex\n" -" )\n" -"{\n" -" float4 invPos;\n" -" float4 invOrn;\n" -" trInverse(pos,quat, &invPos,&invOrn);\n" -" float4 spherePos = transform(&spherePos2,&invPos,&invOrn);\n" -" int numFaces = 3;\n" -" float4 closestPnt = (float4)(0, 0, 0, 0);\n" -" float4 hitNormalWorld = (float4)(0, 0, 0, 0);\n" -" float minDist = -1000000.f;\n" -" bool bCollide = false;\n" -" \n" -" //////////////////////////////////////\n" -" float4 sphereCenter;\n" -" sphereCenter = spherePos;\n" -" const float4* vertices = triangleVertices;\n" -" float contactBreakingThreshold = 0.f;//todo?\n" -" float radiusWithThreshold = radius + contactBreakingThreshold;\n" -" float4 edge10;\n" -" edge10 = vertices[1]-vertices[0];\n" -" edge10.w = 0.f;//is this needed?\n" -" float4 edge20;\n" -" edge20 = vertices[2]-vertices[0];\n" -" edge20.w = 0.f;//is this needed?\n" -" float4 normal = cross3(edge10,edge20);\n" -" normal = normalize(normal);\n" -" float4 p1ToCenter;\n" -" p1ToCenter = sphereCenter - vertices[0];\n" -" \n" -" float distanceFromPlane = dot(p1ToCenter,normal);\n" -" if (distanceFromPlane < 0.f)\n" -" {\n" -" //triangle facing the other way\n" -" distanceFromPlane *= -1.f;\n" -" normal *= -1.f;\n" -" }\n" -" hitNormalWorld = normal;\n" -" bool isInsideContactPlane = distanceFromPlane < radiusWithThreshold;\n" -" \n" -" // Check for contact / intersection\n" -" bool hasContact = false;\n" -" float4 contactPoint;\n" -" if (isInsideContactPlane) \n" -" {\n" -" \n" -" if (pointInTriangle(vertices,&normal, &sphereCenter)) \n" -" {\n" -" // Inside the contact wedge - touches a point on the shell plane\n" -" hasContact = true;\n" -" contactPoint = sphereCenter - normal*distanceFromPlane;\n" -" \n" -" } else {\n" -" // Could be inside one of the contact capsules\n" -" float contactCapsuleRadiusSqr = radiusWithThreshold*radiusWithThreshold;\n" -" float4 nearestOnEdge;\n" -" int numEdges = 3;\n" -" for (int i = 0; i < numEdges; i++) \n" -" {\n" -" float4 pa =vertices[i];\n" -" float4 pb = vertices[(i+1)%3];\n" -" float distanceSqr = segmentSqrDistance(pa,pb,sphereCenter, &nearestOnEdge);\n" -" if (distanceSqr < contactCapsuleRadiusSqr) \n" -" {\n" -" // Yep, we're inside a capsule\n" -" hasContact = true;\n" -" contactPoint = nearestOnEdge;\n" -" \n" -" }\n" -" \n" -" }\n" -" }\n" -" }\n" -" if (hasContact) \n" -" {\n" -" closestPnt = contactPoint;\n" -" float4 contactToCenter = sphereCenter - contactPoint;\n" -" minDist = length(contactToCenter);\n" -" if (minDist>FLT_EPSILON)\n" -" {\n" -" hitNormalWorld = normalize(contactToCenter);//*(1./minDist);\n" -" bCollide = true;\n" -" }\n" -" \n" -" }\n" -" /////////////////////////////////////\n" -" if (bCollide && minDist > -10000)\n" -" {\n" -" \n" -" float4 normalOnSurfaceB1 = qtRotate(quat,-hitNormalWorld);\n" -" float4 pOnB1 = transform(&closestPnt,&pos,&quat);\n" -" float actualDepth = minDist-radius;\n" -" \n" -" if (actualDepth<=0.f)\n" -" {\n" -" pOnB1.w = actualDepth;\n" -" int dstIdx;\n" -" \n" -" float lenSqr = dot3F4(normalOnSurfaceB1,normalOnSurfaceB1);\n" -" if (lenSqr>FLT_EPSILON)\n" -" {\n" -" AppendInc( nGlobalContactsOut, dstIdx );\n" -" \n" -" if (dstIdx < maxContactCapacity)\n" -" {\n" -" __global struct b3Contact4Data* c = &globalContactsOut[dstIdx];\n" -" c->m_worldNormalOnB = -normalOnSurfaceB1;\n" -" c->m_restituitionCoeffCmp = (0.f*0xffff);c->m_frictionCoeffCmp = (0.7f*0xffff);\n" -" c->m_batchIdx = pairIndex;\n" -" c->m_bodyAPtrAndSignBit = rigidBodies[bodyIndexA].m_invMass==0?-bodyIndexA:bodyIndexA;\n" -" c->m_bodyBPtrAndSignBit = rigidBodies[bodyIndexB].m_invMass==0?-bodyIndexB:bodyIndexB;\n" -" c->m_worldPosB[0] = pOnB1;\n" -" c->m_childIndexA = -1;\n" -" c->m_childIndexB = faceIndex;\n" -" GET_NPOINTS(*c) = 1;\n" -" } \n" -" }\n" -" }\n" -" }//if (hasCollision)\n" -"}\n" -"// work-in-progress\n" -"__kernel void findConcaveSphereContactsKernel( __global int4* concavePairs,\n" -" __global const BodyData* rigidBodies,\n" -" __global const btCollidableGpu* collidables,\n" -" __global const ConvexPolyhedronCL* convexShapes, \n" -" __global const float4* vertices,\n" -" __global const float4* uniqueEdges,\n" -" __global const btGpuFace* faces,\n" -" __global const int* indices,\n" -" __global btAabbCL* aabbs,\n" -" __global struct b3Contact4Data* restrict globalContactsOut,\n" -" counter32_t nGlobalContactsOut,\n" -" int numConcavePairs, int maxContactCapacity\n" -" )\n" -"{\n" -" int i = get_global_id(0);\n" -" if (i>=numConcavePairs)\n" -" return;\n" -" int pairIdx = i;\n" -" int bodyIndexA = concavePairs[i].x;\n" -" int bodyIndexB = concavePairs[i].y;\n" -" int collidableIndexA = rigidBodies[bodyIndexA].m_collidableIdx;\n" -" int collidableIndexB = rigidBodies[bodyIndexB].m_collidableIdx;\n" -" int shapeIndexA = collidables[collidableIndexA].m_shapeIndex;\n" -" int shapeIndexB = collidables[collidableIndexB].m_shapeIndex;\n" -" if (collidables[collidableIndexB].m_shapeType==SHAPE_SPHERE)\n" -" {\n" -" int f = concavePairs[i].z;\n" -" btGpuFace face = faces[convexShapes[shapeIndexA].m_faceOffset+f];\n" -" \n" -" float4 verticesA[3];\n" -" for (int i=0;i<3;i++)\n" -" {\n" -" int index = indices[face.m_indexOffset+i];\n" -" float4 vert = vertices[convexShapes[shapeIndexA].m_vertexOffset+index];\n" -" verticesA[i] = vert;\n" -" }\n" -" float4 spherePos = rigidBodies[bodyIndexB].m_pos;\n" -" float sphereRadius = collidables[collidableIndexB].m_radius;\n" -" float4 convexPos = rigidBodies[bodyIndexA].m_pos;\n" -" float4 convexOrn = rigidBodies[bodyIndexA].m_quat;\n" -" computeContactSphereTriangle(i, bodyIndexB, bodyIndexA, collidableIndexB, collidableIndexA, \n" -" rigidBodies,collidables,\n" -" verticesA,\n" -" globalContactsOut, nGlobalContactsOut,maxContactCapacity,\n" -" spherePos,sphereRadius,convexPos,convexOrn, f);\n" -" return;\n" -" }\n" -"}\n" -; +static const char* primitiveContactsKernelsCL = + "#ifndef B3_CONTACT4DATA_H\n" + "#define B3_CONTACT4DATA_H\n" + "#ifndef B3_FLOAT4_H\n" + "#define B3_FLOAT4_H\n" + "#ifndef B3_PLATFORM_DEFINITIONS_H\n" + "#define B3_PLATFORM_DEFINITIONS_H\n" + "struct MyTest\n" + "{\n" + " int bla;\n" + "};\n" + "#ifdef __cplusplus\n" + "#else\n" + "//keep B3_LARGE_FLOAT*B3_LARGE_FLOAT < FLT_MAX\n" + "#define B3_LARGE_FLOAT 1e18f\n" + "#define B3_INFINITY 1e18f\n" + "#define b3Assert(a)\n" + "#define b3ConstArray(a) __global const a*\n" + "#define b3AtomicInc atomic_inc\n" + "#define b3AtomicAdd atomic_add\n" + "#define b3Fabs fabs\n" + "#define b3Sqrt native_sqrt\n" + "#define b3Sin native_sin\n" + "#define b3Cos native_cos\n" + "#define B3_STATIC\n" + "#endif\n" + "#endif\n" + "#ifdef __cplusplus\n" + "#else\n" + " typedef float4 b3Float4;\n" + " #define b3Float4ConstArg const b3Float4\n" + " #define b3MakeFloat4 (float4)\n" + " float b3Dot3F4(b3Float4ConstArg v0,b3Float4ConstArg v1)\n" + " {\n" + " float4 a1 = b3MakeFloat4(v0.xyz,0.f);\n" + " float4 b1 = b3MakeFloat4(v1.xyz,0.f);\n" + " return dot(a1, b1);\n" + " }\n" + " b3Float4 b3Cross3(b3Float4ConstArg v0,b3Float4ConstArg v1)\n" + " {\n" + " float4 a1 = b3MakeFloat4(v0.xyz,0.f);\n" + " float4 b1 = b3MakeFloat4(v1.xyz,0.f);\n" + " return cross(a1, b1);\n" + " }\n" + " #define b3MinFloat4 min\n" + " #define b3MaxFloat4 max\n" + " #define b3Normalized(a) normalize(a)\n" + "#endif \n" + " \n" + "inline bool b3IsAlmostZero(b3Float4ConstArg v)\n" + "{\n" + " if(b3Fabs(v.x)>1e-6 || b3Fabs(v.y)>1e-6 || b3Fabs(v.z)>1e-6) \n" + " return false;\n" + " return true;\n" + "}\n" + "inline int b3MaxDot( b3Float4ConstArg vec, __global const b3Float4* vecArray, int vecLen, float* dotOut )\n" + "{\n" + " float maxDot = -B3_INFINITY;\n" + " int i = 0;\n" + " int ptIndex = -1;\n" + " for( i = 0; i < vecLen; i++ )\n" + " {\n" + " float dot = b3Dot3F4(vecArray[i],vec);\n" + " \n" + " if( dot > maxDot )\n" + " {\n" + " maxDot = dot;\n" + " ptIndex = i;\n" + " }\n" + " }\n" + " b3Assert(ptIndex>=0);\n" + " if (ptIndex<0)\n" + " {\n" + " ptIndex = 0;\n" + " }\n" + " *dotOut = maxDot;\n" + " return ptIndex;\n" + "}\n" + "#endif //B3_FLOAT4_H\n" + "typedef struct b3Contact4Data b3Contact4Data_t;\n" + "struct b3Contact4Data\n" + "{\n" + " b3Float4 m_worldPosB[4];\n" + "// b3Float4 m_localPosA[4];\n" + "// b3Float4 m_localPosB[4];\n" + " b3Float4 m_worldNormalOnB; // w: m_nPoints\n" + " unsigned short m_restituitionCoeffCmp;\n" + " unsigned short m_frictionCoeffCmp;\n" + " int m_batchIdx;\n" + " int m_bodyAPtrAndSignBit;//x:m_bodyAPtr, y:m_bodyBPtr\n" + " int m_bodyBPtrAndSignBit;\n" + " int m_childIndexA;\n" + " int m_childIndexB;\n" + " int m_unused1;\n" + " int m_unused2;\n" + "};\n" + "inline int b3Contact4Data_getNumPoints(const struct b3Contact4Data* contact)\n" + "{\n" + " return (int)contact->m_worldNormalOnB.w;\n" + "};\n" + "inline void b3Contact4Data_setNumPoints(struct b3Contact4Data* contact, int numPoints)\n" + "{\n" + " contact->m_worldNormalOnB.w = (float)numPoints;\n" + "};\n" + "#endif //B3_CONTACT4DATA_H\n" + "#define SHAPE_CONVEX_HULL 3\n" + "#define SHAPE_PLANE 4\n" + "#define SHAPE_CONCAVE_TRIMESH 5\n" + "#define SHAPE_COMPOUND_OF_CONVEX_HULLS 6\n" + "#define SHAPE_SPHERE 7\n" + "#pragma OPENCL EXTENSION cl_amd_printf : enable\n" + "#pragma OPENCL EXTENSION cl_khr_local_int32_base_atomics : enable\n" + "#pragma OPENCL EXTENSION cl_khr_global_int32_base_atomics : enable\n" + "#pragma OPENCL EXTENSION cl_khr_local_int32_extended_atomics : enable\n" + "#pragma OPENCL EXTENSION cl_khr_global_int32_extended_atomics : enable\n" + "#ifdef cl_ext_atomic_counters_32\n" + "#pragma OPENCL EXTENSION cl_ext_atomic_counters_32 : enable\n" + "#else\n" + "#define counter32_t volatile __global int*\n" + "#endif\n" + "#define GET_GROUP_IDX get_group_id(0)\n" + "#define GET_LOCAL_IDX get_local_id(0)\n" + "#define GET_GLOBAL_IDX get_global_id(0)\n" + "#define GET_GROUP_SIZE get_local_size(0)\n" + "#define GET_NUM_GROUPS get_num_groups(0)\n" + "#define GROUP_LDS_BARRIER barrier(CLK_LOCAL_MEM_FENCE)\n" + "#define GROUP_MEM_FENCE mem_fence(CLK_LOCAL_MEM_FENCE)\n" + "#define AtomInc(x) atom_inc(&(x))\n" + "#define AtomInc1(x, out) out = atom_inc(&(x))\n" + "#define AppendInc(x, out) out = atomic_inc(x)\n" + "#define AtomAdd(x, value) atom_add(&(x), value)\n" + "#define AtomCmpxhg(x, cmp, value) atom_cmpxchg( &(x), cmp, value )\n" + "#define AtomXhg(x, value) atom_xchg ( &(x), value )\n" + "#define max2 max\n" + "#define min2 min\n" + "typedef unsigned int u32;\n" + "typedef struct \n" + "{\n" + " union\n" + " {\n" + " float4 m_min;\n" + " float m_minElems[4];\n" + " int m_minIndices[4];\n" + " };\n" + " union\n" + " {\n" + " float4 m_max;\n" + " float m_maxElems[4];\n" + " int m_maxIndices[4];\n" + " };\n" + "} btAabbCL;\n" + "///keep this in sync with btCollidable.h\n" + "typedef struct\n" + "{\n" + " int m_numChildShapes;\n" + " float m_radius;\n" + " int m_shapeType;\n" + " int m_shapeIndex;\n" + " \n" + "} btCollidableGpu;\n" + "typedef struct\n" + "{\n" + " float4 m_childPosition;\n" + " float4 m_childOrientation;\n" + " int m_shapeIndex;\n" + " int m_unused0;\n" + " int m_unused1;\n" + " int m_unused2;\n" + "} btGpuChildShape;\n" + "#define GET_NPOINTS(x) (x).m_worldNormalOnB.w\n" + "typedef struct\n" + "{\n" + " float4 m_pos;\n" + " float4 m_quat;\n" + " float4 m_linVel;\n" + " float4 m_angVel;\n" + " u32 m_collidableIdx; \n" + " float m_invMass;\n" + " float m_restituitionCoeff;\n" + " float m_frictionCoeff;\n" + "} BodyData;\n" + "typedef struct \n" + "{\n" + " float4 m_localCenter;\n" + " float4 m_extents;\n" + " float4 mC;\n" + " float4 mE;\n" + " \n" + " float m_radius;\n" + " int m_faceOffset;\n" + " int m_numFaces;\n" + " int m_numVertices;\n" + " \n" + " int m_vertexOffset;\n" + " int m_uniqueEdgesOffset;\n" + " int m_numUniqueEdges;\n" + " int m_unused;\n" + "} ConvexPolyhedronCL;\n" + "typedef struct\n" + "{\n" + " float4 m_plane;\n" + " int m_indexOffset;\n" + " int m_numIndices;\n" + "} btGpuFace;\n" + "#define SELECT_UINT4( b, a, condition ) select( b,a,condition )\n" + "#define make_float4 (float4)\n" + "#define make_float2 (float2)\n" + "#define make_uint4 (uint4)\n" + "#define make_int4 (int4)\n" + "#define make_uint2 (uint2)\n" + "#define make_int2 (int2)\n" + "__inline\n" + "float fastDiv(float numerator, float denominator)\n" + "{\n" + " return native_divide(numerator, denominator); \n" + "// return numerator/denominator; \n" + "}\n" + "__inline\n" + "float4 fastDiv4(float4 numerator, float4 denominator)\n" + "{\n" + " return native_divide(numerator, denominator); \n" + "}\n" + "__inline\n" + "float4 cross3(float4 a, float4 b)\n" + "{\n" + " return cross(a,b);\n" + "}\n" + "//#define dot3F4 dot\n" + "__inline\n" + "float dot3F4(float4 a, float4 b)\n" + "{\n" + " float4 a1 = make_float4(a.xyz,0.f);\n" + " float4 b1 = make_float4(b.xyz,0.f);\n" + " return dot(a1, b1);\n" + "}\n" + "__inline\n" + "float4 fastNormalize4(float4 v)\n" + "{\n" + " return fast_normalize(v);\n" + "}\n" + "///////////////////////////////////////\n" + "// Quaternion\n" + "///////////////////////////////////////\n" + "typedef float4 Quaternion;\n" + "__inline\n" + "Quaternion qtMul(Quaternion a, Quaternion b);\n" + "__inline\n" + "Quaternion qtNormalize(Quaternion in);\n" + "__inline\n" + "float4 qtRotate(Quaternion q, float4 vec);\n" + "__inline\n" + "Quaternion qtInvert(Quaternion q);\n" + "__inline\n" + "Quaternion qtMul(Quaternion a, Quaternion b)\n" + "{\n" + " Quaternion ans;\n" + " ans = cross3( a, b );\n" + " ans += a.w*b+b.w*a;\n" + "// ans.w = a.w*b.w - (a.x*b.x+a.y*b.y+a.z*b.z);\n" + " ans.w = a.w*b.w - dot3F4(a, b);\n" + " return ans;\n" + "}\n" + "__inline\n" + "Quaternion qtNormalize(Quaternion in)\n" + "{\n" + " return fastNormalize4(in);\n" + "// in /= length( in );\n" + "// return in;\n" + "}\n" + "__inline\n" + "float4 qtRotate(Quaternion q, float4 vec)\n" + "{\n" + " Quaternion qInv = qtInvert( q );\n" + " float4 vcpy = vec;\n" + " vcpy.w = 0.f;\n" + " float4 out = qtMul(qtMul(q,vcpy),qInv);\n" + " return out;\n" + "}\n" + "__inline\n" + "Quaternion qtInvert(Quaternion q)\n" + "{\n" + " return (Quaternion)(-q.xyz, q.w);\n" + "}\n" + "__inline\n" + "float4 qtInvRotate(const Quaternion q, float4 vec)\n" + "{\n" + " return qtRotate( qtInvert( q ), vec );\n" + "}\n" + "__inline\n" + "float4 transform(const float4* p, const float4* translation, const Quaternion* orientation)\n" + "{\n" + " return qtRotate( *orientation, *p ) + (*translation);\n" + "}\n" + "void trInverse(float4 translationIn, Quaternion orientationIn,\n" + " float4* translationOut, Quaternion* orientationOut)\n" + "{\n" + " *orientationOut = qtInvert(orientationIn);\n" + " *translationOut = qtRotate(*orientationOut, -translationIn);\n" + "}\n" + "void trMul(float4 translationA, Quaternion orientationA,\n" + " float4 translationB, Quaternion orientationB,\n" + " float4* translationOut, Quaternion* orientationOut)\n" + "{\n" + " *orientationOut = qtMul(orientationA,orientationB);\n" + " *translationOut = transform(&translationB,&translationA,&orientationA);\n" + "}\n" + "__inline\n" + "float4 normalize3(const float4 a)\n" + "{\n" + " float4 n = make_float4(a.x, a.y, a.z, 0.f);\n" + " return fastNormalize4( n );\n" + "}\n" + "__inline float4 lerp3(const float4 a,const float4 b, float t)\n" + "{\n" + " return make_float4( a.x + (b.x - a.x) * t,\n" + " a.y + (b.y - a.y) * t,\n" + " a.z + (b.z - a.z) * t,\n" + " 0.f);\n" + "}\n" + "float signedDistanceFromPointToPlane(float4 point, float4 planeEqn, float4* closestPointOnFace)\n" + "{\n" + " float4 n = (float4)(planeEqn.x, planeEqn.y, planeEqn.z, 0);\n" + " float dist = dot3F4(n, point) + planeEqn.w;\n" + " *closestPointOnFace = point - dist * n;\n" + " return dist;\n" + "}\n" + "inline bool IsPointInPolygon(float4 p, \n" + " const btGpuFace* face,\n" + " __global const float4* baseVertex,\n" + " __global const int* convexIndices,\n" + " float4* out)\n" + "{\n" + " float4 a;\n" + " float4 b;\n" + " float4 ab;\n" + " float4 ap;\n" + " float4 v;\n" + " float4 plane = make_float4(face->m_plane.x,face->m_plane.y,face->m_plane.z,0.f);\n" + " \n" + " if (face->m_numIndices<2)\n" + " return false;\n" + " \n" + " float4 v0 = baseVertex[convexIndices[face->m_indexOffset + face->m_numIndices-1]];\n" + " \n" + " b = v0;\n" + " for(unsigned i=0; i != face->m_numIndices; ++i)\n" + " {\n" + " a = b;\n" + " float4 vi = baseVertex[convexIndices[face->m_indexOffset + i]];\n" + " b = vi;\n" + " ab = b-a;\n" + " ap = p-a;\n" + " v = cross3(ab,plane);\n" + " if (dot(ap, v) > 0.f)\n" + " {\n" + " float ab_m2 = dot(ab, ab);\n" + " float rt = ab_m2 != 0.f ? dot(ab, ap) / ab_m2 : 0.f;\n" + " if (rt <= 0.f)\n" + " {\n" + " *out = a;\n" + " }\n" + " else if (rt >= 1.f) \n" + " {\n" + " *out = b;\n" + " }\n" + " else\n" + " {\n" + " float s = 1.f - rt;\n" + " out[0].x = s * a.x + rt * b.x;\n" + " out[0].y = s * a.y + rt * b.y;\n" + " out[0].z = s * a.z + rt * b.z;\n" + " }\n" + " return false;\n" + " }\n" + " }\n" + " return true;\n" + "}\n" + "void computeContactSphereConvex(int pairIndex,\n" + " int bodyIndexA, int bodyIndexB, \n" + " int collidableIndexA, int collidableIndexB, \n" + " __global const BodyData* rigidBodies, \n" + " __global const btCollidableGpu* collidables,\n" + " __global const ConvexPolyhedronCL* convexShapes,\n" + " __global const float4* convexVertices,\n" + " __global const int* convexIndices,\n" + " __global const btGpuFace* faces,\n" + " __global struct b3Contact4Data* restrict globalContactsOut,\n" + " counter32_t nGlobalContactsOut,\n" + " int maxContactCapacity,\n" + " float4 spherePos2,\n" + " float radius,\n" + " float4 pos,\n" + " float4 quat\n" + " )\n" + "{\n" + " float4 invPos;\n" + " float4 invOrn;\n" + " trInverse(pos,quat, &invPos,&invOrn);\n" + " float4 spherePos = transform(&spherePos2,&invPos,&invOrn);\n" + " int shapeIndex = collidables[collidableIndexB].m_shapeIndex;\n" + " int numFaces = convexShapes[shapeIndex].m_numFaces;\n" + " float4 closestPnt = (float4)(0, 0, 0, 0);\n" + " float4 hitNormalWorld = (float4)(0, 0, 0, 0);\n" + " float minDist = -1000000.f;\n" + " bool bCollide = true;\n" + " for ( int f = 0; f < numFaces; f++ )\n" + " {\n" + " btGpuFace face = faces[convexShapes[shapeIndex].m_faceOffset+f];\n" + " // set up a plane equation \n" + " float4 planeEqn;\n" + " float4 n1 = face.m_plane;\n" + " n1.w = 0.f;\n" + " planeEqn = n1;\n" + " planeEqn.w = face.m_plane.w;\n" + " \n" + " \n" + " // compute a signed distance from the vertex in cloth to the face of rigidbody.\n" + " float4 pntReturn;\n" + " float dist = signedDistanceFromPointToPlane(spherePos, planeEqn, &pntReturn);\n" + " // If the distance is positive, the plane is a separating plane. \n" + " if ( dist > radius )\n" + " {\n" + " bCollide = false;\n" + " break;\n" + " }\n" + " if (dist>0)\n" + " {\n" + " //might hit an edge or vertex\n" + " float4 out;\n" + " float4 zeroPos = make_float4(0,0,0,0);\n" + " bool isInPoly = IsPointInPolygon(spherePos,\n" + " &face,\n" + " &convexVertices[convexShapes[shapeIndex].m_vertexOffset],\n" + " convexIndices,\n" + " &out);\n" + " if (isInPoly)\n" + " {\n" + " if (dist>minDist)\n" + " {\n" + " minDist = dist;\n" + " closestPnt = pntReturn;\n" + " hitNormalWorld = planeEqn;\n" + " \n" + " }\n" + " } else\n" + " {\n" + " float4 tmp = spherePos-out;\n" + " float l2 = dot(tmp,tmp);\n" + " if (l2<radius*radius)\n" + " {\n" + " dist = sqrt(l2);\n" + " if (dist>minDist)\n" + " {\n" + " minDist = dist;\n" + " closestPnt = out;\n" + " hitNormalWorld = tmp/dist;\n" + " \n" + " }\n" + " \n" + " } else\n" + " {\n" + " bCollide = false;\n" + " break;\n" + " }\n" + " }\n" + " } else\n" + " {\n" + " if ( dist > minDist )\n" + " {\n" + " minDist = dist;\n" + " closestPnt = pntReturn;\n" + " hitNormalWorld.xyz = planeEqn.xyz;\n" + " }\n" + " }\n" + " \n" + " }\n" + " \n" + " if (bCollide && minDist > -10000)\n" + " {\n" + " float4 normalOnSurfaceB1 = qtRotate(quat,-hitNormalWorld);\n" + " float4 pOnB1 = transform(&closestPnt,&pos,&quat);\n" + " \n" + " float actualDepth = minDist-radius;\n" + " if (actualDepth<=0.f)\n" + " {\n" + " \n" + " pOnB1.w = actualDepth;\n" + " int dstIdx;\n" + " AppendInc( nGlobalContactsOut, dstIdx );\n" + " \n" + " \n" + " if (1)//dstIdx < maxContactCapacity)\n" + " {\n" + " __global struct b3Contact4Data* c = &globalContactsOut[dstIdx];\n" + " c->m_worldNormalOnB = -normalOnSurfaceB1;\n" + " c->m_restituitionCoeffCmp = (0.f*0xffff);c->m_frictionCoeffCmp = (0.7f*0xffff);\n" + " c->m_batchIdx = pairIndex;\n" + " c->m_bodyAPtrAndSignBit = rigidBodies[bodyIndexA].m_invMass==0?-bodyIndexA:bodyIndexA;\n" + " c->m_bodyBPtrAndSignBit = rigidBodies[bodyIndexB].m_invMass==0?-bodyIndexB:bodyIndexB;\n" + " c->m_worldPosB[0] = pOnB1;\n" + " c->m_childIndexA = -1;\n" + " c->m_childIndexB = -1;\n" + " GET_NPOINTS(*c) = 1;\n" + " } \n" + " }\n" + " }//if (hasCollision)\n" + "}\n" + " \n" + "int extractManifoldSequential(const float4* p, int nPoints, float4 nearNormal, int4* contactIdx)\n" + "{\n" + " if( nPoints == 0 )\n" + " return 0;\n" + " \n" + " if (nPoints <=4)\n" + " return nPoints;\n" + " \n" + " \n" + " if (nPoints >64)\n" + " nPoints = 64;\n" + " \n" + " float4 center = make_float4(0.f);\n" + " {\n" + " \n" + " for (int i=0;i<nPoints;i++)\n" + " center += p[i];\n" + " center /= (float)nPoints;\n" + " }\n" + " \n" + " \n" + " \n" + " // sample 4 directions\n" + " \n" + " float4 aVector = p[0] - center;\n" + " float4 u = cross3( nearNormal, aVector );\n" + " float4 v = cross3( nearNormal, u );\n" + " u = normalize3( u );\n" + " v = normalize3( v );\n" + " \n" + " \n" + " //keep point with deepest penetration\n" + " float minW= FLT_MAX;\n" + " \n" + " int minIndex=-1;\n" + " \n" + " float4 maxDots;\n" + " maxDots.x = FLT_MIN;\n" + " maxDots.y = FLT_MIN;\n" + " maxDots.z = FLT_MIN;\n" + " maxDots.w = FLT_MIN;\n" + " \n" + " // idx, distance\n" + " for(int ie = 0; ie<nPoints; ie++ )\n" + " {\n" + " if (p[ie].w<minW)\n" + " {\n" + " minW = p[ie].w;\n" + " minIndex=ie;\n" + " }\n" + " float f;\n" + " float4 r = p[ie]-center;\n" + " f = dot3F4( u, r );\n" + " if (f<maxDots.x)\n" + " {\n" + " maxDots.x = f;\n" + " contactIdx[0].x = ie;\n" + " }\n" + " \n" + " f = dot3F4( -u, r );\n" + " if (f<maxDots.y)\n" + " {\n" + " maxDots.y = f;\n" + " contactIdx[0].y = ie;\n" + " }\n" + " \n" + " \n" + " f = dot3F4( v, r );\n" + " if (f<maxDots.z)\n" + " {\n" + " maxDots.z = f;\n" + " contactIdx[0].z = ie;\n" + " }\n" + " \n" + " f = dot3F4( -v, r );\n" + " if (f<maxDots.w)\n" + " {\n" + " maxDots.w = f;\n" + " contactIdx[0].w = ie;\n" + " }\n" + " \n" + " }\n" + " \n" + " if (contactIdx[0].x != minIndex && contactIdx[0].y != minIndex && contactIdx[0].z != minIndex && contactIdx[0].w != minIndex)\n" + " {\n" + " //replace the first contact with minimum (todo: replace contact with least penetration)\n" + " contactIdx[0].x = minIndex;\n" + " }\n" + " \n" + " return 4;\n" + " \n" + "}\n" + "#define MAX_PLANE_CONVEX_POINTS 64\n" + "int computeContactPlaneConvex(int pairIndex,\n" + " int bodyIndexA, int bodyIndexB, \n" + " int collidableIndexA, int collidableIndexB, \n" + " __global const BodyData* rigidBodies, \n" + " __global const btCollidableGpu*collidables,\n" + " __global const ConvexPolyhedronCL* convexShapes,\n" + " __global const float4* convexVertices,\n" + " __global const int* convexIndices,\n" + " __global const btGpuFace* faces,\n" + " __global struct b3Contact4Data* restrict globalContactsOut,\n" + " counter32_t nGlobalContactsOut,\n" + " int maxContactCapacity,\n" + " float4 posB,\n" + " Quaternion ornB\n" + " )\n" + "{\n" + " int resultIndex=-1;\n" + " int shapeIndex = collidables[collidableIndexB].m_shapeIndex;\n" + " __global const ConvexPolyhedronCL* hullB = &convexShapes[shapeIndex];\n" + " \n" + " float4 posA;\n" + " posA = rigidBodies[bodyIndexA].m_pos;\n" + " Quaternion ornA;\n" + " ornA = rigidBodies[bodyIndexA].m_quat;\n" + " int numContactsOut = 0;\n" + " int numWorldVertsB1= 0;\n" + " float4 planeEq;\n" + " planeEq = faces[collidables[collidableIndexA].m_shapeIndex].m_plane;\n" + " float4 planeNormal = make_float4(planeEq.x,planeEq.y,planeEq.z,0.f);\n" + " float4 planeNormalWorld;\n" + " planeNormalWorld = qtRotate(ornA,planeNormal);\n" + " float planeConstant = planeEq.w;\n" + " \n" + " float4 invPosA;Quaternion invOrnA;\n" + " float4 convexInPlaneTransPos1; Quaternion convexInPlaneTransOrn1;\n" + " {\n" + " \n" + " trInverse(posA,ornA,&invPosA,&invOrnA);\n" + " trMul(invPosA,invOrnA,posB,ornB,&convexInPlaneTransPos1,&convexInPlaneTransOrn1);\n" + " }\n" + " float4 invPosB;Quaternion invOrnB;\n" + " float4 planeInConvexPos1; Quaternion planeInConvexOrn1;\n" + " {\n" + " \n" + " trInverse(posB,ornB,&invPosB,&invOrnB);\n" + " trMul(invPosB,invOrnB,posA,ornA,&planeInConvexPos1,&planeInConvexOrn1); \n" + " }\n" + " \n" + " float4 planeNormalInConvex = qtRotate(planeInConvexOrn1,-planeNormal);\n" + " float maxDot = -1e30;\n" + " int hitVertex=-1;\n" + " float4 hitVtx;\n" + " float4 contactPoints[MAX_PLANE_CONVEX_POINTS];\n" + " int numPoints = 0;\n" + " int4 contactIdx;\n" + " contactIdx=make_int4(0,1,2,3);\n" + " \n" + " \n" + " for (int i=0;i<hullB->m_numVertices;i++)\n" + " {\n" + " float4 vtx = convexVertices[hullB->m_vertexOffset+i];\n" + " float curDot = dot(vtx,planeNormalInConvex);\n" + " if (curDot>maxDot)\n" + " {\n" + " hitVertex=i;\n" + " maxDot=curDot;\n" + " hitVtx = vtx;\n" + " //make sure the deepest points is always included\n" + " if (numPoints==MAX_PLANE_CONVEX_POINTS)\n" + " numPoints--;\n" + " }\n" + " if (numPoints<MAX_PLANE_CONVEX_POINTS)\n" + " {\n" + " float4 vtxWorld = transform(&vtx, &posB, &ornB);\n" + " float4 vtxInPlane = transform(&vtxWorld, &invPosA, &invOrnA);//oplaneTransform.inverse()*vtxWorld;\n" + " float dist = dot(planeNormal,vtxInPlane)-planeConstant;\n" + " if (dist<0.f)\n" + " {\n" + " vtxWorld.w = dist;\n" + " contactPoints[numPoints] = vtxWorld;\n" + " numPoints++;\n" + " }\n" + " }\n" + " }\n" + " int numReducedPoints = numPoints;\n" + " if (numPoints>4)\n" + " {\n" + " numReducedPoints = extractManifoldSequential( contactPoints, numPoints, planeNormalInConvex, &contactIdx);\n" + " }\n" + " if (numReducedPoints>0)\n" + " {\n" + " int dstIdx;\n" + " AppendInc( nGlobalContactsOut, dstIdx );\n" + " if (dstIdx < maxContactCapacity)\n" + " {\n" + " resultIndex = dstIdx;\n" + " __global struct b3Contact4Data* c = &globalContactsOut[dstIdx];\n" + " c->m_worldNormalOnB = -planeNormalWorld;\n" + " //c->setFrictionCoeff(0.7);\n" + " //c->setRestituitionCoeff(0.f);\n" + " c->m_restituitionCoeffCmp = (0.f*0xffff);c->m_frictionCoeffCmp = (0.7f*0xffff);\n" + " c->m_batchIdx = pairIndex;\n" + " c->m_bodyAPtrAndSignBit = rigidBodies[bodyIndexA].m_invMass==0?-bodyIndexA:bodyIndexA;\n" + " c->m_bodyBPtrAndSignBit = rigidBodies[bodyIndexB].m_invMass==0?-bodyIndexB:bodyIndexB;\n" + " c->m_childIndexA = -1;\n" + " c->m_childIndexB = -1;\n" + " switch (numReducedPoints)\n" + " {\n" + " case 4:\n" + " c->m_worldPosB[3] = contactPoints[contactIdx.w];\n" + " case 3:\n" + " c->m_worldPosB[2] = contactPoints[contactIdx.z];\n" + " case 2:\n" + " c->m_worldPosB[1] = contactPoints[contactIdx.y];\n" + " case 1:\n" + " c->m_worldPosB[0] = contactPoints[contactIdx.x];\n" + " default:\n" + " {\n" + " }\n" + " };\n" + " \n" + " GET_NPOINTS(*c) = numReducedPoints;\n" + " }//if (dstIdx < numPairs)\n" + " } \n" + " return resultIndex;\n" + "}\n" + "void computeContactPlaneSphere(int pairIndex,\n" + " int bodyIndexA, int bodyIndexB, \n" + " int collidableIndexA, int collidableIndexB, \n" + " __global const BodyData* rigidBodies, \n" + " __global const btCollidableGpu* collidables,\n" + " __global const btGpuFace* faces,\n" + " __global struct b3Contact4Data* restrict globalContactsOut,\n" + " counter32_t nGlobalContactsOut,\n" + " int maxContactCapacity)\n" + "{\n" + " float4 planeEq = faces[collidables[collidableIndexA].m_shapeIndex].m_plane;\n" + " float radius = collidables[collidableIndexB].m_radius;\n" + " float4 posA1 = rigidBodies[bodyIndexA].m_pos;\n" + " float4 ornA1 = rigidBodies[bodyIndexA].m_quat;\n" + " float4 posB1 = rigidBodies[bodyIndexB].m_pos;\n" + " float4 ornB1 = rigidBodies[bodyIndexB].m_quat;\n" + " \n" + " bool hasCollision = false;\n" + " float4 planeNormal1 = make_float4(planeEq.x,planeEq.y,planeEq.z,0.f);\n" + " float planeConstant = planeEq.w;\n" + " float4 convexInPlaneTransPos1; Quaternion convexInPlaneTransOrn1;\n" + " {\n" + " float4 invPosA;Quaternion invOrnA;\n" + " trInverse(posA1,ornA1,&invPosA,&invOrnA);\n" + " trMul(invPosA,invOrnA,posB1,ornB1,&convexInPlaneTransPos1,&convexInPlaneTransOrn1);\n" + " }\n" + " float4 planeInConvexPos1; Quaternion planeInConvexOrn1;\n" + " {\n" + " float4 invPosB;Quaternion invOrnB;\n" + " trInverse(posB1,ornB1,&invPosB,&invOrnB);\n" + " trMul(invPosB,invOrnB,posA1,ornA1,&planeInConvexPos1,&planeInConvexOrn1); \n" + " }\n" + " float4 vtx1 = qtRotate(planeInConvexOrn1,-planeNormal1)*radius;\n" + " float4 vtxInPlane1 = transform(&vtx1,&convexInPlaneTransPos1,&convexInPlaneTransOrn1);\n" + " float distance = dot3F4(planeNormal1,vtxInPlane1) - planeConstant;\n" + " hasCollision = distance < 0.f;//m_manifoldPtr->getContactBreakingThreshold();\n" + " if (hasCollision)\n" + " {\n" + " float4 vtxInPlaneProjected1 = vtxInPlane1 - distance*planeNormal1;\n" + " float4 vtxInPlaneWorld1 = transform(&vtxInPlaneProjected1,&posA1,&ornA1);\n" + " float4 normalOnSurfaceB1 = qtRotate(ornA1,planeNormal1);\n" + " float4 pOnB1 = vtxInPlaneWorld1+normalOnSurfaceB1*distance;\n" + " pOnB1.w = distance;\n" + " int dstIdx;\n" + " AppendInc( nGlobalContactsOut, dstIdx );\n" + " \n" + " if (dstIdx < maxContactCapacity)\n" + " {\n" + " __global struct b3Contact4Data* c = &globalContactsOut[dstIdx];\n" + " c->m_worldNormalOnB = -normalOnSurfaceB1;\n" + " c->m_restituitionCoeffCmp = (0.f*0xffff);c->m_frictionCoeffCmp = (0.7f*0xffff);\n" + " c->m_batchIdx = pairIndex;\n" + " c->m_bodyAPtrAndSignBit = rigidBodies[bodyIndexA].m_invMass==0?-bodyIndexA:bodyIndexA;\n" + " c->m_bodyBPtrAndSignBit = rigidBodies[bodyIndexB].m_invMass==0?-bodyIndexB:bodyIndexB;\n" + " c->m_worldPosB[0] = pOnB1;\n" + " c->m_childIndexA = -1;\n" + " c->m_childIndexB = -1;\n" + " GET_NPOINTS(*c) = 1;\n" + " }//if (dstIdx < numPairs)\n" + " }//if (hasCollision)\n" + "}\n" + "__kernel void primitiveContactsKernel( __global int4* pairs, \n" + " __global const BodyData* rigidBodies, \n" + " __global const btCollidableGpu* collidables,\n" + " __global const ConvexPolyhedronCL* convexShapes, \n" + " __global const float4* vertices,\n" + " __global const float4* uniqueEdges,\n" + " __global const btGpuFace* faces,\n" + " __global const int* indices,\n" + " __global struct b3Contact4Data* restrict globalContactsOut,\n" + " counter32_t nGlobalContactsOut,\n" + " int numPairs, int maxContactCapacity)\n" + "{\n" + " int i = get_global_id(0);\n" + " int pairIndex = i;\n" + " \n" + " float4 worldVertsB1[64];\n" + " float4 worldVertsB2[64];\n" + " int capacityWorldVerts = 64; \n" + " float4 localContactsOut[64];\n" + " int localContactCapacity=64;\n" + " \n" + " float minDist = -1e30f;\n" + " float maxDist = 0.02f;\n" + " if (i<numPairs)\n" + " {\n" + " int bodyIndexA = pairs[i].x;\n" + " int bodyIndexB = pairs[i].y;\n" + " \n" + " int collidableIndexA = rigidBodies[bodyIndexA].m_collidableIdx;\n" + " int collidableIndexB = rigidBodies[bodyIndexB].m_collidableIdx;\n" + " \n" + " if (collidables[collidableIndexA].m_shapeType == SHAPE_PLANE &&\n" + " collidables[collidableIndexB].m_shapeType == SHAPE_CONVEX_HULL)\n" + " {\n" + " float4 posB;\n" + " posB = rigidBodies[bodyIndexB].m_pos;\n" + " Quaternion ornB;\n" + " ornB = rigidBodies[bodyIndexB].m_quat;\n" + " int contactIndex = computeContactPlaneConvex(pairIndex, bodyIndexA, bodyIndexB, collidableIndexA, collidableIndexB, \n" + " rigidBodies,collidables,convexShapes,vertices,indices,\n" + " faces, globalContactsOut, nGlobalContactsOut,maxContactCapacity, posB,ornB);\n" + " if (contactIndex>=0)\n" + " pairs[pairIndex].z = contactIndex;\n" + " return;\n" + " }\n" + " if (collidables[collidableIndexA].m_shapeType == SHAPE_CONVEX_HULL &&\n" + " collidables[collidableIndexB].m_shapeType == SHAPE_PLANE)\n" + " {\n" + " float4 posA;\n" + " posA = rigidBodies[bodyIndexA].m_pos;\n" + " Quaternion ornA;\n" + " ornA = rigidBodies[bodyIndexA].m_quat;\n" + " int contactIndex = computeContactPlaneConvex( pairIndex, bodyIndexB,bodyIndexA, collidableIndexB,collidableIndexA, \n" + " rigidBodies,collidables,convexShapes,vertices,indices,\n" + " faces, globalContactsOut, nGlobalContactsOut,maxContactCapacity,posA,ornA);\n" + " if (contactIndex>=0)\n" + " pairs[pairIndex].z = contactIndex;\n" + " return;\n" + " }\n" + " if (collidables[collidableIndexA].m_shapeType == SHAPE_PLANE &&\n" + " collidables[collidableIndexB].m_shapeType == SHAPE_SPHERE)\n" + " {\n" + " computeContactPlaneSphere(pairIndex, bodyIndexA, bodyIndexB, collidableIndexA, collidableIndexB, \n" + " rigidBodies,collidables,faces, globalContactsOut, nGlobalContactsOut,maxContactCapacity);\n" + " return;\n" + " }\n" + " if (collidables[collidableIndexA].m_shapeType == SHAPE_SPHERE &&\n" + " collidables[collidableIndexB].m_shapeType == SHAPE_PLANE)\n" + " {\n" + " computeContactPlaneSphere( pairIndex, bodyIndexB,bodyIndexA, collidableIndexB,collidableIndexA, \n" + " rigidBodies,collidables,\n" + " faces, globalContactsOut, nGlobalContactsOut,maxContactCapacity);\n" + " return;\n" + " }\n" + " \n" + " \n" + " if (collidables[collidableIndexA].m_shapeType == SHAPE_SPHERE &&\n" + " collidables[collidableIndexB].m_shapeType == SHAPE_CONVEX_HULL)\n" + " {\n" + " \n" + " float4 spherePos = rigidBodies[bodyIndexA].m_pos;\n" + " float sphereRadius = collidables[collidableIndexA].m_radius;\n" + " float4 convexPos = rigidBodies[bodyIndexB].m_pos;\n" + " float4 convexOrn = rigidBodies[bodyIndexB].m_quat;\n" + " computeContactSphereConvex(pairIndex, bodyIndexA, bodyIndexB, collidableIndexA, collidableIndexB, \n" + " rigidBodies,collidables,convexShapes,vertices,indices,faces, globalContactsOut, nGlobalContactsOut,maxContactCapacity,\n" + " spherePos,sphereRadius,convexPos,convexOrn);\n" + " return;\n" + " }\n" + " if (collidables[collidableIndexA].m_shapeType == SHAPE_CONVEX_HULL &&\n" + " collidables[collidableIndexB].m_shapeType == SHAPE_SPHERE)\n" + " {\n" + " \n" + " float4 spherePos = rigidBodies[bodyIndexB].m_pos;\n" + " float sphereRadius = collidables[collidableIndexB].m_radius;\n" + " float4 convexPos = rigidBodies[bodyIndexA].m_pos;\n" + " float4 convexOrn = rigidBodies[bodyIndexA].m_quat;\n" + " computeContactSphereConvex(pairIndex, bodyIndexB, bodyIndexA, collidableIndexB, collidableIndexA, \n" + " rigidBodies,collidables,convexShapes,vertices,indices,faces, globalContactsOut, nGlobalContactsOut,maxContactCapacity,\n" + " spherePos,sphereRadius,convexPos,convexOrn);\n" + " return;\n" + " }\n" + " \n" + " \n" + " \n" + " \n" + " \n" + " \n" + " if (collidables[collidableIndexA].m_shapeType == SHAPE_SPHERE &&\n" + " collidables[collidableIndexB].m_shapeType == SHAPE_SPHERE)\n" + " {\n" + " //sphere-sphere\n" + " float radiusA = collidables[collidableIndexA].m_radius;\n" + " float radiusB = collidables[collidableIndexB].m_radius;\n" + " float4 posA = rigidBodies[bodyIndexA].m_pos;\n" + " float4 posB = rigidBodies[bodyIndexB].m_pos;\n" + " float4 diff = posA-posB;\n" + " float len = length(diff);\n" + " \n" + " ///iff distance positive, don't generate a new contact\n" + " if ( len <= (radiusA+radiusB))\n" + " {\n" + " ///distance (negative means penetration)\n" + " float dist = len - (radiusA+radiusB);\n" + " float4 normalOnSurfaceB = make_float4(1.f,0.f,0.f,0.f);\n" + " if (len > 0.00001)\n" + " {\n" + " normalOnSurfaceB = diff / len;\n" + " }\n" + " float4 contactPosB = posB + normalOnSurfaceB*radiusB;\n" + " contactPosB.w = dist;\n" + " \n" + " int dstIdx;\n" + " AppendInc( nGlobalContactsOut, dstIdx );\n" + " \n" + " if (dstIdx < maxContactCapacity)\n" + " {\n" + " __global struct b3Contact4Data* c = &globalContactsOut[dstIdx];\n" + " c->m_worldNormalOnB = normalOnSurfaceB;\n" + " c->m_restituitionCoeffCmp = (0.f*0xffff);c->m_frictionCoeffCmp = (0.7f*0xffff);\n" + " c->m_batchIdx = pairIndex;\n" + " int bodyA = pairs[pairIndex].x;\n" + " int bodyB = pairs[pairIndex].y;\n" + " c->m_bodyAPtrAndSignBit = rigidBodies[bodyA].m_invMass==0?-bodyA:bodyA;\n" + " c->m_bodyBPtrAndSignBit = rigidBodies[bodyB].m_invMass==0?-bodyB:bodyB;\n" + " c->m_worldPosB[0] = contactPosB;\n" + " c->m_childIndexA = -1;\n" + " c->m_childIndexB = -1;\n" + " GET_NPOINTS(*c) = 1;\n" + " }//if (dstIdx < numPairs)\n" + " }//if ( len <= (radiusA+radiusB))\n" + " return;\n" + " }//SHAPE_SPHERE SHAPE_SPHERE\n" + " }// if (i<numPairs)\n" + "}\n" + "// work-in-progress\n" + "__kernel void processCompoundPairsPrimitivesKernel( __global const int4* gpuCompoundPairs,\n" + " __global const BodyData* rigidBodies, \n" + " __global const btCollidableGpu* collidables,\n" + " __global const ConvexPolyhedronCL* convexShapes, \n" + " __global const float4* vertices,\n" + " __global const float4* uniqueEdges,\n" + " __global const btGpuFace* faces,\n" + " __global const int* indices,\n" + " __global btAabbCL* aabbs,\n" + " __global const btGpuChildShape* gpuChildShapes,\n" + " __global struct b3Contact4Data* restrict globalContactsOut,\n" + " counter32_t nGlobalContactsOut,\n" + " int numCompoundPairs, int maxContactCapacity\n" + " )\n" + "{\n" + " int i = get_global_id(0);\n" + " if (i<numCompoundPairs)\n" + " {\n" + " int bodyIndexA = gpuCompoundPairs[i].x;\n" + " int bodyIndexB = gpuCompoundPairs[i].y;\n" + " int childShapeIndexA = gpuCompoundPairs[i].z;\n" + " int childShapeIndexB = gpuCompoundPairs[i].w;\n" + " \n" + " int collidableIndexA = -1;\n" + " int collidableIndexB = -1;\n" + " \n" + " float4 ornA = rigidBodies[bodyIndexA].m_quat;\n" + " float4 posA = rigidBodies[bodyIndexA].m_pos;\n" + " \n" + " float4 ornB = rigidBodies[bodyIndexB].m_quat;\n" + " float4 posB = rigidBodies[bodyIndexB].m_pos;\n" + " \n" + " if (childShapeIndexA >= 0)\n" + " {\n" + " collidableIndexA = gpuChildShapes[childShapeIndexA].m_shapeIndex;\n" + " float4 childPosA = gpuChildShapes[childShapeIndexA].m_childPosition;\n" + " float4 childOrnA = gpuChildShapes[childShapeIndexA].m_childOrientation;\n" + " float4 newPosA = qtRotate(ornA,childPosA)+posA;\n" + " float4 newOrnA = qtMul(ornA,childOrnA);\n" + " posA = newPosA;\n" + " ornA = newOrnA;\n" + " } else\n" + " {\n" + " collidableIndexA = rigidBodies[bodyIndexA].m_collidableIdx;\n" + " }\n" + " \n" + " if (childShapeIndexB>=0)\n" + " {\n" + " collidableIndexB = gpuChildShapes[childShapeIndexB].m_shapeIndex;\n" + " float4 childPosB = gpuChildShapes[childShapeIndexB].m_childPosition;\n" + " float4 childOrnB = gpuChildShapes[childShapeIndexB].m_childOrientation;\n" + " float4 newPosB = transform(&childPosB,&posB,&ornB);\n" + " float4 newOrnB = qtMul(ornB,childOrnB);\n" + " posB = newPosB;\n" + " ornB = newOrnB;\n" + " } else\n" + " {\n" + " collidableIndexB = rigidBodies[bodyIndexB].m_collidableIdx; \n" + " }\n" + " \n" + " int shapeIndexA = collidables[collidableIndexA].m_shapeIndex;\n" + " int shapeIndexB = collidables[collidableIndexB].m_shapeIndex;\n" + " \n" + " int shapeTypeA = collidables[collidableIndexA].m_shapeType;\n" + " int shapeTypeB = collidables[collidableIndexB].m_shapeType;\n" + " int pairIndex = i;\n" + " if ((shapeTypeA == SHAPE_PLANE) && (shapeTypeB==SHAPE_CONVEX_HULL))\n" + " {\n" + " computeContactPlaneConvex( pairIndex, bodyIndexA,bodyIndexB, collidableIndexA,collidableIndexB, \n" + " rigidBodies,collidables,convexShapes,vertices,indices,\n" + " faces, globalContactsOut, nGlobalContactsOut,maxContactCapacity,posB,ornB);\n" + " return;\n" + " }\n" + " if ((shapeTypeA == SHAPE_CONVEX_HULL) && (shapeTypeB==SHAPE_PLANE))\n" + " {\n" + " computeContactPlaneConvex( pairIndex, bodyIndexB,bodyIndexA, collidableIndexB,collidableIndexA, \n" + " rigidBodies,collidables,convexShapes,vertices,indices,\n" + " faces, globalContactsOut, nGlobalContactsOut,maxContactCapacity,posA,ornA);\n" + " return;\n" + " }\n" + " if ((shapeTypeA == SHAPE_CONVEX_HULL) && (shapeTypeB == SHAPE_SPHERE))\n" + " {\n" + " float4 spherePos = rigidBodies[bodyIndexB].m_pos;\n" + " float sphereRadius = collidables[collidableIndexB].m_radius;\n" + " float4 convexPos = posA;\n" + " float4 convexOrn = ornA;\n" + " \n" + " computeContactSphereConvex(pairIndex, bodyIndexB, bodyIndexA , collidableIndexB,collidableIndexA, \n" + " rigidBodies,collidables,convexShapes,vertices,indices,faces, globalContactsOut, nGlobalContactsOut,maxContactCapacity,\n" + " spherePos,sphereRadius,convexPos,convexOrn);\n" + " \n" + " return;\n" + " }\n" + " if ((shapeTypeA == SHAPE_SPHERE) && (shapeTypeB == SHAPE_CONVEX_HULL))\n" + " {\n" + " float4 spherePos = rigidBodies[bodyIndexA].m_pos;\n" + " float sphereRadius = collidables[collidableIndexA].m_radius;\n" + " float4 convexPos = posB;\n" + " float4 convexOrn = ornB;\n" + " \n" + " computeContactSphereConvex(pairIndex, bodyIndexA, bodyIndexB, collidableIndexA, collidableIndexB, \n" + " rigidBodies,collidables,convexShapes,vertices,indices,faces, globalContactsOut, nGlobalContactsOut,maxContactCapacity,\n" + " spherePos,sphereRadius,convexPos,convexOrn);\n" + " \n" + " return;\n" + " }\n" + " }// if (i<numCompoundPairs)\n" + "}\n" + "bool pointInTriangle(const float4* vertices, const float4* normal, float4 *p )\n" + "{\n" + " const float4* p1 = &vertices[0];\n" + " const float4* p2 = &vertices[1];\n" + " const float4* p3 = &vertices[2];\n" + " float4 edge1; edge1 = (*p2 - *p1);\n" + " float4 edge2; edge2 = ( *p3 - *p2 );\n" + " float4 edge3; edge3 = ( *p1 - *p3 );\n" + " \n" + " float4 p1_to_p; p1_to_p = ( *p - *p1 );\n" + " float4 p2_to_p; p2_to_p = ( *p - *p2 );\n" + " float4 p3_to_p; p3_to_p = ( *p - *p3 );\n" + " float4 edge1_normal; edge1_normal = ( cross(edge1,*normal));\n" + " float4 edge2_normal; edge2_normal = ( cross(edge2,*normal));\n" + " float4 edge3_normal; edge3_normal = ( cross(edge3,*normal));\n" + " \n" + " \n" + " float r1, r2, r3;\n" + " r1 = dot(edge1_normal,p1_to_p );\n" + " r2 = dot(edge2_normal,p2_to_p );\n" + " r3 = dot(edge3_normal,p3_to_p );\n" + " \n" + " if ( r1 > 0 && r2 > 0 && r3 > 0 )\n" + " return true;\n" + " if ( r1 <= 0 && r2 <= 0 && r3 <= 0 ) \n" + " return true;\n" + " return false;\n" + "}\n" + "float segmentSqrDistance(float4 from, float4 to,float4 p, float4* nearest) \n" + "{\n" + " float4 diff = p - from;\n" + " float4 v = to - from;\n" + " float t = dot(v,diff);\n" + " \n" + " if (t > 0) \n" + " {\n" + " float dotVV = dot(v,v);\n" + " if (t < dotVV) \n" + " {\n" + " t /= dotVV;\n" + " diff -= t*v;\n" + " } else \n" + " {\n" + " t = 1;\n" + " diff -= v;\n" + " }\n" + " } else\n" + " {\n" + " t = 0;\n" + " }\n" + " *nearest = from + t*v;\n" + " return dot(diff,diff); \n" + "}\n" + "void computeContactSphereTriangle(int pairIndex,\n" + " int bodyIndexA, int bodyIndexB,\n" + " int collidableIndexA, int collidableIndexB, \n" + " __global const BodyData* rigidBodies, \n" + " __global const btCollidableGpu* collidables,\n" + " const float4* triangleVertices,\n" + " __global struct b3Contact4Data* restrict globalContactsOut,\n" + " counter32_t nGlobalContactsOut,\n" + " int maxContactCapacity,\n" + " float4 spherePos2,\n" + " float radius,\n" + " float4 pos,\n" + " float4 quat,\n" + " int faceIndex\n" + " )\n" + "{\n" + " float4 invPos;\n" + " float4 invOrn;\n" + " trInverse(pos,quat, &invPos,&invOrn);\n" + " float4 spherePos = transform(&spherePos2,&invPos,&invOrn);\n" + " int numFaces = 3;\n" + " float4 closestPnt = (float4)(0, 0, 0, 0);\n" + " float4 hitNormalWorld = (float4)(0, 0, 0, 0);\n" + " float minDist = -1000000.f;\n" + " bool bCollide = false;\n" + " \n" + " //////////////////////////////////////\n" + " float4 sphereCenter;\n" + " sphereCenter = spherePos;\n" + " const float4* vertices = triangleVertices;\n" + " float contactBreakingThreshold = 0.f;//todo?\n" + " float radiusWithThreshold = radius + contactBreakingThreshold;\n" + " float4 edge10;\n" + " edge10 = vertices[1]-vertices[0];\n" + " edge10.w = 0.f;//is this needed?\n" + " float4 edge20;\n" + " edge20 = vertices[2]-vertices[0];\n" + " edge20.w = 0.f;//is this needed?\n" + " float4 normal = cross3(edge10,edge20);\n" + " normal = normalize(normal);\n" + " float4 p1ToCenter;\n" + " p1ToCenter = sphereCenter - vertices[0];\n" + " \n" + " float distanceFromPlane = dot(p1ToCenter,normal);\n" + " if (distanceFromPlane < 0.f)\n" + " {\n" + " //triangle facing the other way\n" + " distanceFromPlane *= -1.f;\n" + " normal *= -1.f;\n" + " }\n" + " hitNormalWorld = normal;\n" + " bool isInsideContactPlane = distanceFromPlane < radiusWithThreshold;\n" + " \n" + " // Check for contact / intersection\n" + " bool hasContact = false;\n" + " float4 contactPoint;\n" + " if (isInsideContactPlane) \n" + " {\n" + " \n" + " if (pointInTriangle(vertices,&normal, &sphereCenter)) \n" + " {\n" + " // Inside the contact wedge - touches a point on the shell plane\n" + " hasContact = true;\n" + " contactPoint = sphereCenter - normal*distanceFromPlane;\n" + " \n" + " } else {\n" + " // Could be inside one of the contact capsules\n" + " float contactCapsuleRadiusSqr = radiusWithThreshold*radiusWithThreshold;\n" + " float4 nearestOnEdge;\n" + " int numEdges = 3;\n" + " for (int i = 0; i < numEdges; i++) \n" + " {\n" + " float4 pa =vertices[i];\n" + " float4 pb = vertices[(i+1)%3];\n" + " float distanceSqr = segmentSqrDistance(pa,pb,sphereCenter, &nearestOnEdge);\n" + " if (distanceSqr < contactCapsuleRadiusSqr) \n" + " {\n" + " // Yep, we're inside a capsule\n" + " hasContact = true;\n" + " contactPoint = nearestOnEdge;\n" + " \n" + " }\n" + " \n" + " }\n" + " }\n" + " }\n" + " if (hasContact) \n" + " {\n" + " closestPnt = contactPoint;\n" + " float4 contactToCenter = sphereCenter - contactPoint;\n" + " minDist = length(contactToCenter);\n" + " if (minDist>FLT_EPSILON)\n" + " {\n" + " hitNormalWorld = normalize(contactToCenter);//*(1./minDist);\n" + " bCollide = true;\n" + " }\n" + " \n" + " }\n" + " /////////////////////////////////////\n" + " if (bCollide && minDist > -10000)\n" + " {\n" + " \n" + " float4 normalOnSurfaceB1 = qtRotate(quat,-hitNormalWorld);\n" + " float4 pOnB1 = transform(&closestPnt,&pos,&quat);\n" + " float actualDepth = minDist-radius;\n" + " \n" + " if (actualDepth<=0.f)\n" + " {\n" + " pOnB1.w = actualDepth;\n" + " int dstIdx;\n" + " \n" + " float lenSqr = dot3F4(normalOnSurfaceB1,normalOnSurfaceB1);\n" + " if (lenSqr>FLT_EPSILON)\n" + " {\n" + " AppendInc( nGlobalContactsOut, dstIdx );\n" + " \n" + " if (dstIdx < maxContactCapacity)\n" + " {\n" + " __global struct b3Contact4Data* c = &globalContactsOut[dstIdx];\n" + " c->m_worldNormalOnB = -normalOnSurfaceB1;\n" + " c->m_restituitionCoeffCmp = (0.f*0xffff);c->m_frictionCoeffCmp = (0.7f*0xffff);\n" + " c->m_batchIdx = pairIndex;\n" + " c->m_bodyAPtrAndSignBit = rigidBodies[bodyIndexA].m_invMass==0?-bodyIndexA:bodyIndexA;\n" + " c->m_bodyBPtrAndSignBit = rigidBodies[bodyIndexB].m_invMass==0?-bodyIndexB:bodyIndexB;\n" + " c->m_worldPosB[0] = pOnB1;\n" + " c->m_childIndexA = -1;\n" + " c->m_childIndexB = faceIndex;\n" + " GET_NPOINTS(*c) = 1;\n" + " } \n" + " }\n" + " }\n" + " }//if (hasCollision)\n" + "}\n" + "// work-in-progress\n" + "__kernel void findConcaveSphereContactsKernel( __global int4* concavePairs,\n" + " __global const BodyData* rigidBodies,\n" + " __global const btCollidableGpu* collidables,\n" + " __global const ConvexPolyhedronCL* convexShapes, \n" + " __global const float4* vertices,\n" + " __global const float4* uniqueEdges,\n" + " __global const btGpuFace* faces,\n" + " __global const int* indices,\n" + " __global btAabbCL* aabbs,\n" + " __global struct b3Contact4Data* restrict globalContactsOut,\n" + " counter32_t nGlobalContactsOut,\n" + " int numConcavePairs, int maxContactCapacity\n" + " )\n" + "{\n" + " int i = get_global_id(0);\n" + " if (i>=numConcavePairs)\n" + " return;\n" + " int pairIdx = i;\n" + " int bodyIndexA = concavePairs[i].x;\n" + " int bodyIndexB = concavePairs[i].y;\n" + " int collidableIndexA = rigidBodies[bodyIndexA].m_collidableIdx;\n" + " int collidableIndexB = rigidBodies[bodyIndexB].m_collidableIdx;\n" + " int shapeIndexA = collidables[collidableIndexA].m_shapeIndex;\n" + " int shapeIndexB = collidables[collidableIndexB].m_shapeIndex;\n" + " if (collidables[collidableIndexB].m_shapeType==SHAPE_SPHERE)\n" + " {\n" + " int f = concavePairs[i].z;\n" + " btGpuFace face = faces[convexShapes[shapeIndexA].m_faceOffset+f];\n" + " \n" + " float4 verticesA[3];\n" + " for (int i=0;i<3;i++)\n" + " {\n" + " int index = indices[face.m_indexOffset+i];\n" + " float4 vert = vertices[convexShapes[shapeIndexA].m_vertexOffset+index];\n" + " verticesA[i] = vert;\n" + " }\n" + " float4 spherePos = rigidBodies[bodyIndexB].m_pos;\n" + " float sphereRadius = collidables[collidableIndexB].m_radius;\n" + " float4 convexPos = rigidBodies[bodyIndexA].m_pos;\n" + " float4 convexOrn = rigidBodies[bodyIndexA].m_quat;\n" + " computeContactSphereTriangle(i, bodyIndexB, bodyIndexA, collidableIndexB, collidableIndexA, \n" + " rigidBodies,collidables,\n" + " verticesA,\n" + " globalContactsOut, nGlobalContactsOut,maxContactCapacity,\n" + " spherePos,sphereRadius,convexPos,convexOrn, f);\n" + " return;\n" + " }\n" + "}\n"; diff --git a/thirdparty/bullet/Bullet3OpenCL/NarrowphaseCollision/kernels/satClipHullContacts.h b/thirdparty/bullet/Bullet3OpenCL/NarrowphaseCollision/kernels/satClipHullContacts.h index f0ecfc7851..907809d8bd 100644 --- a/thirdparty/bullet/Bullet3OpenCL/NarrowphaseCollision/kernels/satClipHullContacts.h +++ b/thirdparty/bullet/Bullet3OpenCL/NarrowphaseCollision/kernels/satClipHullContacts.h @@ -1,2099 +1,2098 @@ //this file is autogenerated using stringify.bat (premake --stringify) in the build folder of this project -static const char* satClipKernelsCL= \ -"#define TRIANGLE_NUM_CONVEX_FACES 5\n" -"#pragma OPENCL EXTENSION cl_amd_printf : enable\n" -"#pragma OPENCL EXTENSION cl_khr_local_int32_base_atomics : enable\n" -"#pragma OPENCL EXTENSION cl_khr_global_int32_base_atomics : enable\n" -"#pragma OPENCL EXTENSION cl_khr_local_int32_extended_atomics : enable\n" -"#pragma OPENCL EXTENSION cl_khr_global_int32_extended_atomics : enable\n" -"#ifdef cl_ext_atomic_counters_32\n" -"#pragma OPENCL EXTENSION cl_ext_atomic_counters_32 : enable\n" -"#else\n" -"#define counter32_t volatile __global int*\n" -"#endif\n" -"#define GET_GROUP_IDX get_group_id(0)\n" -"#define GET_LOCAL_IDX get_local_id(0)\n" -"#define GET_GLOBAL_IDX get_global_id(0)\n" -"#define GET_GROUP_SIZE get_local_size(0)\n" -"#define GET_NUM_GROUPS get_num_groups(0)\n" -"#define GROUP_LDS_BARRIER barrier(CLK_LOCAL_MEM_FENCE)\n" -"#define GROUP_MEM_FENCE mem_fence(CLK_LOCAL_MEM_FENCE)\n" -"#define AtomInc(x) atom_inc(&(x))\n" -"#define AtomInc1(x, out) out = atom_inc(&(x))\n" -"#define AppendInc(x, out) out = atomic_inc(x)\n" -"#define AtomAdd(x, value) atom_add(&(x), value)\n" -"#define AtomCmpxhg(x, cmp, value) atom_cmpxchg( &(x), cmp, value )\n" -"#define AtomXhg(x, value) atom_xchg ( &(x), value )\n" -"#define max2 max\n" -"#define min2 min\n" -"typedef unsigned int u32;\n" -"#ifndef B3_CONTACT4DATA_H\n" -"#define B3_CONTACT4DATA_H\n" -"#ifndef B3_FLOAT4_H\n" -"#define B3_FLOAT4_H\n" -"#ifndef B3_PLATFORM_DEFINITIONS_H\n" -"#define B3_PLATFORM_DEFINITIONS_H\n" -"struct MyTest\n" -"{\n" -" int bla;\n" -"};\n" -"#ifdef __cplusplus\n" -"#else\n" -"//keep B3_LARGE_FLOAT*B3_LARGE_FLOAT < FLT_MAX\n" -"#define B3_LARGE_FLOAT 1e18f\n" -"#define B3_INFINITY 1e18f\n" -"#define b3Assert(a)\n" -"#define b3ConstArray(a) __global const a*\n" -"#define b3AtomicInc atomic_inc\n" -"#define b3AtomicAdd atomic_add\n" -"#define b3Fabs fabs\n" -"#define b3Sqrt native_sqrt\n" -"#define b3Sin native_sin\n" -"#define b3Cos native_cos\n" -"#define B3_STATIC\n" -"#endif\n" -"#endif\n" -"#ifdef __cplusplus\n" -"#else\n" -" typedef float4 b3Float4;\n" -" #define b3Float4ConstArg const b3Float4\n" -" #define b3MakeFloat4 (float4)\n" -" float b3Dot3F4(b3Float4ConstArg v0,b3Float4ConstArg v1)\n" -" {\n" -" float4 a1 = b3MakeFloat4(v0.xyz,0.f);\n" -" float4 b1 = b3MakeFloat4(v1.xyz,0.f);\n" -" return dot(a1, b1);\n" -" }\n" -" b3Float4 b3Cross3(b3Float4ConstArg v0,b3Float4ConstArg v1)\n" -" {\n" -" float4 a1 = b3MakeFloat4(v0.xyz,0.f);\n" -" float4 b1 = b3MakeFloat4(v1.xyz,0.f);\n" -" return cross(a1, b1);\n" -" }\n" -" #define b3MinFloat4 min\n" -" #define b3MaxFloat4 max\n" -" #define b3Normalized(a) normalize(a)\n" -"#endif \n" -" \n" -"inline bool b3IsAlmostZero(b3Float4ConstArg v)\n" -"{\n" -" if(b3Fabs(v.x)>1e-6 || b3Fabs(v.y)>1e-6 || b3Fabs(v.z)>1e-6) \n" -" return false;\n" -" return true;\n" -"}\n" -"inline int b3MaxDot( b3Float4ConstArg vec, __global const b3Float4* vecArray, int vecLen, float* dotOut )\n" -"{\n" -" float maxDot = -B3_INFINITY;\n" -" int i = 0;\n" -" int ptIndex = -1;\n" -" for( i = 0; i < vecLen; i++ )\n" -" {\n" -" float dot = b3Dot3F4(vecArray[i],vec);\n" -" \n" -" if( dot > maxDot )\n" -" {\n" -" maxDot = dot;\n" -" ptIndex = i;\n" -" }\n" -" }\n" -" b3Assert(ptIndex>=0);\n" -" if (ptIndex<0)\n" -" {\n" -" ptIndex = 0;\n" -" }\n" -" *dotOut = maxDot;\n" -" return ptIndex;\n" -"}\n" -"#endif //B3_FLOAT4_H\n" -"typedef struct b3Contact4Data b3Contact4Data_t;\n" -"struct b3Contact4Data\n" -"{\n" -" b3Float4 m_worldPosB[4];\n" -"// b3Float4 m_localPosA[4];\n" -"// b3Float4 m_localPosB[4];\n" -" b3Float4 m_worldNormalOnB; // w: m_nPoints\n" -" unsigned short m_restituitionCoeffCmp;\n" -" unsigned short m_frictionCoeffCmp;\n" -" int m_batchIdx;\n" -" int m_bodyAPtrAndSignBit;//x:m_bodyAPtr, y:m_bodyBPtr\n" -" int m_bodyBPtrAndSignBit;\n" -" int m_childIndexA;\n" -" int m_childIndexB;\n" -" int m_unused1;\n" -" int m_unused2;\n" -"};\n" -"inline int b3Contact4Data_getNumPoints(const struct b3Contact4Data* contact)\n" -"{\n" -" return (int)contact->m_worldNormalOnB.w;\n" -"};\n" -"inline void b3Contact4Data_setNumPoints(struct b3Contact4Data* contact, int numPoints)\n" -"{\n" -" contact->m_worldNormalOnB.w = (float)numPoints;\n" -"};\n" -"#endif //B3_CONTACT4DATA_H\n" -"#ifndef B3_CONVEX_POLYHEDRON_DATA_H\n" -"#define B3_CONVEX_POLYHEDRON_DATA_H\n" -"#ifndef B3_FLOAT4_H\n" -"#ifdef __cplusplus\n" -"#else\n" -"#endif \n" -"#endif //B3_FLOAT4_H\n" -"#ifndef B3_QUAT_H\n" -"#define B3_QUAT_H\n" -"#ifndef B3_PLATFORM_DEFINITIONS_H\n" -"#ifdef __cplusplus\n" -"#else\n" -"#endif\n" -"#endif\n" -"#ifndef B3_FLOAT4_H\n" -"#ifdef __cplusplus\n" -"#else\n" -"#endif \n" -"#endif //B3_FLOAT4_H\n" -"#ifdef __cplusplus\n" -"#else\n" -" typedef float4 b3Quat;\n" -" #define b3QuatConstArg const b3Quat\n" -" \n" -" \n" -"inline float4 b3FastNormalize4(float4 v)\n" -"{\n" -" v = (float4)(v.xyz,0.f);\n" -" return fast_normalize(v);\n" -"}\n" -" \n" -"inline b3Quat b3QuatMul(b3Quat a, b3Quat b);\n" -"inline b3Quat b3QuatNormalized(b3QuatConstArg in);\n" -"inline b3Quat b3QuatRotate(b3QuatConstArg q, b3QuatConstArg vec);\n" -"inline b3Quat b3QuatInvert(b3QuatConstArg q);\n" -"inline b3Quat b3QuatInverse(b3QuatConstArg q);\n" -"inline b3Quat b3QuatMul(b3QuatConstArg a, b3QuatConstArg b)\n" -"{\n" -" b3Quat ans;\n" -" ans = b3Cross3( a, b );\n" -" ans += a.w*b+b.w*a;\n" -"// ans.w = a.w*b.w - (a.x*b.x+a.y*b.y+a.z*b.z);\n" -" ans.w = a.w*b.w - b3Dot3F4(a, b);\n" -" return ans;\n" -"}\n" -"inline b3Quat b3QuatNormalized(b3QuatConstArg in)\n" -"{\n" -" b3Quat q;\n" -" q=in;\n" -" //return b3FastNormalize4(in);\n" -" float len = native_sqrt(dot(q, q));\n" -" if(len > 0.f)\n" -" {\n" -" q *= 1.f / len;\n" -" }\n" -" else\n" -" {\n" -" q.x = q.y = q.z = 0.f;\n" -" q.w = 1.f;\n" -" }\n" -" return q;\n" -"}\n" -"inline float4 b3QuatRotate(b3QuatConstArg q, b3QuatConstArg vec)\n" -"{\n" -" b3Quat qInv = b3QuatInvert( q );\n" -" float4 vcpy = vec;\n" -" vcpy.w = 0.f;\n" -" float4 out = b3QuatMul(b3QuatMul(q,vcpy),qInv);\n" -" return out;\n" -"}\n" -"inline b3Quat b3QuatInverse(b3QuatConstArg q)\n" -"{\n" -" return (b3Quat)(-q.xyz, q.w);\n" -"}\n" -"inline b3Quat b3QuatInvert(b3QuatConstArg q)\n" -"{\n" -" return (b3Quat)(-q.xyz, q.w);\n" -"}\n" -"inline float4 b3QuatInvRotate(b3QuatConstArg q, b3QuatConstArg vec)\n" -"{\n" -" return b3QuatRotate( b3QuatInvert( q ), vec );\n" -"}\n" -"inline b3Float4 b3TransformPoint(b3Float4ConstArg point, b3Float4ConstArg translation, b3QuatConstArg orientation)\n" -"{\n" -" return b3QuatRotate( orientation, point ) + (translation);\n" -"}\n" -" \n" -"#endif \n" -"#endif //B3_QUAT_H\n" -"typedef struct b3GpuFace b3GpuFace_t;\n" -"struct b3GpuFace\n" -"{\n" -" b3Float4 m_plane;\n" -" int m_indexOffset;\n" -" int m_numIndices;\n" -" int m_unusedPadding1;\n" -" int m_unusedPadding2;\n" -"};\n" -"typedef struct b3ConvexPolyhedronData b3ConvexPolyhedronData_t;\n" -"struct b3ConvexPolyhedronData\n" -"{\n" -" b3Float4 m_localCenter;\n" -" b3Float4 m_extents;\n" -" b3Float4 mC;\n" -" b3Float4 mE;\n" -" float m_radius;\n" -" int m_faceOffset;\n" -" int m_numFaces;\n" -" int m_numVertices;\n" -" int m_vertexOffset;\n" -" int m_uniqueEdgesOffset;\n" -" int m_numUniqueEdges;\n" -" int m_unused;\n" -"};\n" -"#endif //B3_CONVEX_POLYHEDRON_DATA_H\n" -"#ifndef B3_COLLIDABLE_H\n" -"#define B3_COLLIDABLE_H\n" -"#ifndef B3_FLOAT4_H\n" -"#ifdef __cplusplus\n" -"#else\n" -"#endif \n" -"#endif //B3_FLOAT4_H\n" -"#ifndef B3_QUAT_H\n" -"#ifdef __cplusplus\n" -"#else\n" -"#endif \n" -"#endif //B3_QUAT_H\n" -"enum b3ShapeTypes\n" -"{\n" -" SHAPE_HEIGHT_FIELD=1,\n" -" SHAPE_CONVEX_HULL=3,\n" -" SHAPE_PLANE=4,\n" -" SHAPE_CONCAVE_TRIMESH=5,\n" -" SHAPE_COMPOUND_OF_CONVEX_HULLS=6,\n" -" SHAPE_SPHERE=7,\n" -" MAX_NUM_SHAPE_TYPES,\n" -"};\n" -"typedef struct b3Collidable b3Collidable_t;\n" -"struct b3Collidable\n" -"{\n" -" union {\n" -" int m_numChildShapes;\n" -" int m_bvhIndex;\n" -" };\n" -" union\n" -" {\n" -" float m_radius;\n" -" int m_compoundBvhIndex;\n" -" };\n" -" int m_shapeType;\n" -" int m_shapeIndex;\n" -"};\n" -"typedef struct b3GpuChildShape b3GpuChildShape_t;\n" -"struct b3GpuChildShape\n" -"{\n" -" b3Float4 m_childPosition;\n" -" b3Quat m_childOrientation;\n" -" int m_shapeIndex;\n" -" int m_unused0;\n" -" int m_unused1;\n" -" int m_unused2;\n" -"};\n" -"struct b3CompoundOverlappingPair\n" -"{\n" -" int m_bodyIndexA;\n" -" int m_bodyIndexB;\n" -"// int m_pairType;\n" -" int m_childShapeIndexA;\n" -" int m_childShapeIndexB;\n" -"};\n" -"#endif //B3_COLLIDABLE_H\n" -"#ifndef B3_RIGIDBODY_DATA_H\n" -"#define B3_RIGIDBODY_DATA_H\n" -"#ifndef B3_FLOAT4_H\n" -"#ifdef __cplusplus\n" -"#else\n" -"#endif \n" -"#endif //B3_FLOAT4_H\n" -"#ifndef B3_QUAT_H\n" -"#ifdef __cplusplus\n" -"#else\n" -"#endif \n" -"#endif //B3_QUAT_H\n" -"#ifndef B3_MAT3x3_H\n" -"#define B3_MAT3x3_H\n" -"#ifndef B3_QUAT_H\n" -"#ifdef __cplusplus\n" -"#else\n" -"#endif \n" -"#endif //B3_QUAT_H\n" -"#ifdef __cplusplus\n" -"#else\n" -"typedef struct\n" -"{\n" -" b3Float4 m_row[3];\n" -"}b3Mat3x3;\n" -"#define b3Mat3x3ConstArg const b3Mat3x3\n" -"#define b3GetRow(m,row) (m.m_row[row])\n" -"inline b3Mat3x3 b3QuatGetRotationMatrix(b3Quat quat)\n" -"{\n" -" b3Float4 quat2 = (b3Float4)(quat.x*quat.x, quat.y*quat.y, quat.z*quat.z, 0.f);\n" -" b3Mat3x3 out;\n" -" out.m_row[0].x=1-2*quat2.y-2*quat2.z;\n" -" out.m_row[0].y=2*quat.x*quat.y-2*quat.w*quat.z;\n" -" out.m_row[0].z=2*quat.x*quat.z+2*quat.w*quat.y;\n" -" out.m_row[0].w = 0.f;\n" -" out.m_row[1].x=2*quat.x*quat.y+2*quat.w*quat.z;\n" -" out.m_row[1].y=1-2*quat2.x-2*quat2.z;\n" -" out.m_row[1].z=2*quat.y*quat.z-2*quat.w*quat.x;\n" -" out.m_row[1].w = 0.f;\n" -" out.m_row[2].x=2*quat.x*quat.z-2*quat.w*quat.y;\n" -" out.m_row[2].y=2*quat.y*quat.z+2*quat.w*quat.x;\n" -" out.m_row[2].z=1-2*quat2.x-2*quat2.y;\n" -" out.m_row[2].w = 0.f;\n" -" return out;\n" -"}\n" -"inline b3Mat3x3 b3AbsoluteMat3x3(b3Mat3x3ConstArg matIn)\n" -"{\n" -" b3Mat3x3 out;\n" -" out.m_row[0] = fabs(matIn.m_row[0]);\n" -" out.m_row[1] = fabs(matIn.m_row[1]);\n" -" out.m_row[2] = fabs(matIn.m_row[2]);\n" -" return out;\n" -"}\n" -"__inline\n" -"b3Mat3x3 mtZero();\n" -"__inline\n" -"b3Mat3x3 mtIdentity();\n" -"__inline\n" -"b3Mat3x3 mtTranspose(b3Mat3x3 m);\n" -"__inline\n" -"b3Mat3x3 mtMul(b3Mat3x3 a, b3Mat3x3 b);\n" -"__inline\n" -"b3Float4 mtMul1(b3Mat3x3 a, b3Float4 b);\n" -"__inline\n" -"b3Float4 mtMul3(b3Float4 a, b3Mat3x3 b);\n" -"__inline\n" -"b3Mat3x3 mtZero()\n" -"{\n" -" b3Mat3x3 m;\n" -" m.m_row[0] = (b3Float4)(0.f);\n" -" m.m_row[1] = (b3Float4)(0.f);\n" -" m.m_row[2] = (b3Float4)(0.f);\n" -" return m;\n" -"}\n" -"__inline\n" -"b3Mat3x3 mtIdentity()\n" -"{\n" -" b3Mat3x3 m;\n" -" m.m_row[0] = (b3Float4)(1,0,0,0);\n" -" m.m_row[1] = (b3Float4)(0,1,0,0);\n" -" m.m_row[2] = (b3Float4)(0,0,1,0);\n" -" return m;\n" -"}\n" -"__inline\n" -"b3Mat3x3 mtTranspose(b3Mat3x3 m)\n" -"{\n" -" b3Mat3x3 out;\n" -" out.m_row[0] = (b3Float4)(m.m_row[0].x, m.m_row[1].x, m.m_row[2].x, 0.f);\n" -" out.m_row[1] = (b3Float4)(m.m_row[0].y, m.m_row[1].y, m.m_row[2].y, 0.f);\n" -" out.m_row[2] = (b3Float4)(m.m_row[0].z, m.m_row[1].z, m.m_row[2].z, 0.f);\n" -" return out;\n" -"}\n" -"__inline\n" -"b3Mat3x3 mtMul(b3Mat3x3 a, b3Mat3x3 b)\n" -"{\n" -" b3Mat3x3 transB;\n" -" transB = mtTranspose( b );\n" -" b3Mat3x3 ans;\n" -" // why this doesn't run when 0ing in the for{}\n" -" a.m_row[0].w = 0.f;\n" -" a.m_row[1].w = 0.f;\n" -" a.m_row[2].w = 0.f;\n" -" for(int i=0; i<3; i++)\n" -" {\n" -"// a.m_row[i].w = 0.f;\n" -" ans.m_row[i].x = b3Dot3F4(a.m_row[i],transB.m_row[0]);\n" -" ans.m_row[i].y = b3Dot3F4(a.m_row[i],transB.m_row[1]);\n" -" ans.m_row[i].z = b3Dot3F4(a.m_row[i],transB.m_row[2]);\n" -" ans.m_row[i].w = 0.f;\n" -" }\n" -" return ans;\n" -"}\n" -"__inline\n" -"b3Float4 mtMul1(b3Mat3x3 a, b3Float4 b)\n" -"{\n" -" b3Float4 ans;\n" -" ans.x = b3Dot3F4( a.m_row[0], b );\n" -" ans.y = b3Dot3F4( a.m_row[1], b );\n" -" ans.z = b3Dot3F4( a.m_row[2], b );\n" -" ans.w = 0.f;\n" -" return ans;\n" -"}\n" -"__inline\n" -"b3Float4 mtMul3(b3Float4 a, b3Mat3x3 b)\n" -"{\n" -" b3Float4 colx = b3MakeFloat4(b.m_row[0].x, b.m_row[1].x, b.m_row[2].x, 0);\n" -" b3Float4 coly = b3MakeFloat4(b.m_row[0].y, b.m_row[1].y, b.m_row[2].y, 0);\n" -" b3Float4 colz = b3MakeFloat4(b.m_row[0].z, b.m_row[1].z, b.m_row[2].z, 0);\n" -" b3Float4 ans;\n" -" ans.x = b3Dot3F4( a, colx );\n" -" ans.y = b3Dot3F4( a, coly );\n" -" ans.z = b3Dot3F4( a, colz );\n" -" return ans;\n" -"}\n" -"#endif\n" -"#endif //B3_MAT3x3_H\n" -"typedef struct b3RigidBodyData b3RigidBodyData_t;\n" -"struct b3RigidBodyData\n" -"{\n" -" b3Float4 m_pos;\n" -" b3Quat m_quat;\n" -" b3Float4 m_linVel;\n" -" b3Float4 m_angVel;\n" -" int m_collidableIdx;\n" -" float m_invMass;\n" -" float m_restituitionCoeff;\n" -" float m_frictionCoeff;\n" -"};\n" -"typedef struct b3InertiaData b3InertiaData_t;\n" -"struct b3InertiaData\n" -"{\n" -" b3Mat3x3 m_invInertiaWorld;\n" -" b3Mat3x3 m_initInvInertia;\n" -"};\n" -"#endif //B3_RIGIDBODY_DATA_H\n" -" \n" -"#define GET_NPOINTS(x) (x).m_worldNormalOnB.w\n" -"#define SELECT_UINT4( b, a, condition ) select( b,a,condition )\n" -"#define make_float4 (float4)\n" -"#define make_float2 (float2)\n" -"#define make_uint4 (uint4)\n" -"#define make_int4 (int4)\n" -"#define make_uint2 (uint2)\n" -"#define make_int2 (int2)\n" -"__inline\n" -"float fastDiv(float numerator, float denominator)\n" -"{\n" -" return native_divide(numerator, denominator); \n" -"// return numerator/denominator; \n" -"}\n" -"__inline\n" -"float4 fastDiv4(float4 numerator, float4 denominator)\n" -"{\n" -" return native_divide(numerator, denominator); \n" -"}\n" -"__inline\n" -"float4 cross3(float4 a, float4 b)\n" -"{\n" -" return cross(a,b);\n" -"}\n" -"//#define dot3F4 dot\n" -"__inline\n" -"float dot3F4(float4 a, float4 b)\n" -"{\n" -" float4 a1 = make_float4(a.xyz,0.f);\n" -" float4 b1 = make_float4(b.xyz,0.f);\n" -" return dot(a1, b1);\n" -"}\n" -"__inline\n" -"float4 fastNormalize4(float4 v)\n" -"{\n" -" return fast_normalize(v);\n" -"}\n" -"///////////////////////////////////////\n" -"// Quaternion\n" -"///////////////////////////////////////\n" -"typedef float4 Quaternion;\n" -"__inline\n" -"Quaternion qtMul(Quaternion a, Quaternion b);\n" -"__inline\n" -"Quaternion qtNormalize(Quaternion in);\n" -"__inline\n" -"float4 qtRotate(Quaternion q, float4 vec);\n" -"__inline\n" -"Quaternion qtInvert(Quaternion q);\n" -"__inline\n" -"Quaternion qtMul(Quaternion a, Quaternion b)\n" -"{\n" -" Quaternion ans;\n" -" ans = cross3( a, b );\n" -" ans += a.w*b+b.w*a;\n" -"// ans.w = a.w*b.w - (a.x*b.x+a.y*b.y+a.z*b.z);\n" -" ans.w = a.w*b.w - dot3F4(a, b);\n" -" return ans;\n" -"}\n" -"__inline\n" -"Quaternion qtNormalize(Quaternion in)\n" -"{\n" -" return fastNormalize4(in);\n" -"// in /= length( in );\n" -"// return in;\n" -"}\n" -"__inline\n" -"float4 qtRotate(Quaternion q, float4 vec)\n" -"{\n" -" Quaternion qInv = qtInvert( q );\n" -" float4 vcpy = vec;\n" -" vcpy.w = 0.f;\n" -" float4 out = qtMul(qtMul(q,vcpy),qInv);\n" -" return out;\n" -"}\n" -"__inline\n" -"Quaternion qtInvert(Quaternion q)\n" -"{\n" -" return (Quaternion)(-q.xyz, q.w);\n" -"}\n" -"__inline\n" -"float4 qtInvRotate(const Quaternion q, float4 vec)\n" -"{\n" -" return qtRotate( qtInvert( q ), vec );\n" -"}\n" -"__inline\n" -"float4 transform(const float4* p, const float4* translation, const Quaternion* orientation)\n" -"{\n" -" return qtRotate( *orientation, *p ) + (*translation);\n" -"}\n" -"__inline\n" -"float4 normalize3(const float4 a)\n" -"{\n" -" float4 n = make_float4(a.x, a.y, a.z, 0.f);\n" -" return fastNormalize4( n );\n" -"}\n" -"__inline float4 lerp3(const float4 a,const float4 b, float t)\n" -"{\n" -" return make_float4( a.x + (b.x - a.x) * t,\n" -" a.y + (b.y - a.y) * t,\n" -" a.z + (b.z - a.z) * t,\n" -" 0.f);\n" -"}\n" -"// Clips a face to the back of a plane, return the number of vertices out, stored in ppVtxOut\n" -"int clipFaceGlobal(__global const float4* pVtxIn, int numVertsIn, float4 planeNormalWS,float planeEqWS, __global float4* ppVtxOut)\n" -"{\n" -" \n" -" int ve;\n" -" float ds, de;\n" -" int numVertsOut = 0;\n" -" //double-check next test\n" -" if (numVertsIn < 2)\n" -" return 0;\n" -" \n" -" float4 firstVertex=pVtxIn[numVertsIn-1];\n" -" float4 endVertex = pVtxIn[0];\n" -" \n" -" ds = dot3F4(planeNormalWS,firstVertex)+planeEqWS;\n" -" \n" -" for (ve = 0; ve < numVertsIn; ve++)\n" -" {\n" -" endVertex=pVtxIn[ve];\n" -" de = dot3F4(planeNormalWS,endVertex)+planeEqWS;\n" -" if (ds<0)\n" -" {\n" -" if (de<0)\n" -" {\n" -" // Start < 0, end < 0, so output endVertex\n" -" ppVtxOut[numVertsOut++] = endVertex;\n" -" }\n" -" else\n" -" {\n" -" // Start < 0, end >= 0, so output intersection\n" -" ppVtxOut[numVertsOut++] = lerp3(firstVertex, endVertex,(ds * 1.f/(ds - de)) );\n" -" }\n" -" }\n" -" else\n" -" {\n" -" if (de<0)\n" -" {\n" -" // Start >= 0, end < 0 so output intersection and end\n" -" ppVtxOut[numVertsOut++] = lerp3(firstVertex, endVertex,(ds * 1.f/(ds - de)) );\n" -" ppVtxOut[numVertsOut++] = endVertex;\n" -" }\n" -" }\n" -" firstVertex = endVertex;\n" -" ds = de;\n" -" }\n" -" return numVertsOut;\n" -"}\n" -"// Clips a face to the back of a plane, return the number of vertices out, stored in ppVtxOut\n" -"int clipFace(const float4* pVtxIn, int numVertsIn, float4 planeNormalWS,float planeEqWS, float4* ppVtxOut)\n" -"{\n" -" \n" -" int ve;\n" -" float ds, de;\n" -" int numVertsOut = 0;\n" -"//double-check next test\n" -" if (numVertsIn < 2)\n" -" return 0;\n" -" float4 firstVertex=pVtxIn[numVertsIn-1];\n" -" float4 endVertex = pVtxIn[0];\n" -" \n" -" ds = dot3F4(planeNormalWS,firstVertex)+planeEqWS;\n" -" for (ve = 0; ve < numVertsIn; ve++)\n" -" {\n" -" endVertex=pVtxIn[ve];\n" -" de = dot3F4(planeNormalWS,endVertex)+planeEqWS;\n" -" if (ds<0)\n" -" {\n" -" if (de<0)\n" -" {\n" -" // Start < 0, end < 0, so output endVertex\n" -" ppVtxOut[numVertsOut++] = endVertex;\n" -" }\n" -" else\n" -" {\n" -" // Start < 0, end >= 0, so output intersection\n" -" ppVtxOut[numVertsOut++] = lerp3(firstVertex, endVertex,(ds * 1.f/(ds - de)) );\n" -" }\n" -" }\n" -" else\n" -" {\n" -" if (de<0)\n" -" {\n" -" // Start >= 0, end < 0 so output intersection and end\n" -" ppVtxOut[numVertsOut++] = lerp3(firstVertex, endVertex,(ds * 1.f/(ds - de)) );\n" -" ppVtxOut[numVertsOut++] = endVertex;\n" -" }\n" -" }\n" -" firstVertex = endVertex;\n" -" ds = de;\n" -" }\n" -" return numVertsOut;\n" -"}\n" -"int clipFaceAgainstHull(const float4 separatingNormal, __global const b3ConvexPolyhedronData_t* hullA, \n" -" const float4 posA, const Quaternion ornA, float4* worldVertsB1, int numWorldVertsB1,\n" -" float4* worldVertsB2, int capacityWorldVertsB2,\n" -" const float minDist, float maxDist,\n" -" __global const float4* vertices,\n" -" __global const b3GpuFace_t* faces,\n" -" __global const int* indices,\n" -" float4* contactsOut,\n" -" int contactCapacity)\n" -"{\n" -" int numContactsOut = 0;\n" -" float4* pVtxIn = worldVertsB1;\n" -" float4* pVtxOut = worldVertsB2;\n" -" \n" -" int numVertsIn = numWorldVertsB1;\n" -" int numVertsOut = 0;\n" -" int closestFaceA=-1;\n" -" {\n" -" float dmin = FLT_MAX;\n" -" for(int face=0;face<hullA->m_numFaces;face++)\n" -" {\n" -" const float4 Normal = make_float4(\n" -" faces[hullA->m_faceOffset+face].m_plane.x, \n" -" faces[hullA->m_faceOffset+face].m_plane.y, \n" -" faces[hullA->m_faceOffset+face].m_plane.z,0.f);\n" -" const float4 faceANormalWS = qtRotate(ornA,Normal);\n" -" \n" -" float d = dot3F4(faceANormalWS,separatingNormal);\n" -" if (d < dmin)\n" -" {\n" -" dmin = d;\n" -" closestFaceA = face;\n" -" }\n" -" }\n" -" }\n" -" if (closestFaceA<0)\n" -" return numContactsOut;\n" -" b3GpuFace_t polyA = faces[hullA->m_faceOffset+closestFaceA];\n" -" // clip polygon to back of planes of all faces of hull A that are adjacent to witness face\n" -" int numVerticesA = polyA.m_numIndices;\n" -" for(int e0=0;e0<numVerticesA;e0++)\n" -" {\n" -" const float4 a = vertices[hullA->m_vertexOffset+indices[polyA.m_indexOffset+e0]];\n" -" const float4 b = vertices[hullA->m_vertexOffset+indices[polyA.m_indexOffset+((e0+1)%numVerticesA)]];\n" -" const float4 edge0 = a - b;\n" -" const float4 WorldEdge0 = qtRotate(ornA,edge0);\n" -" float4 planeNormalA = make_float4(polyA.m_plane.x,polyA.m_plane.y,polyA.m_plane.z,0.f);\n" -" float4 worldPlaneAnormal1 = qtRotate(ornA,planeNormalA);\n" -" float4 planeNormalWS1 = -cross3(WorldEdge0,worldPlaneAnormal1);\n" -" float4 worldA1 = transform(&a,&posA,&ornA);\n" -" float planeEqWS1 = -dot3F4(worldA1,planeNormalWS1);\n" -" \n" -" float4 planeNormalWS = planeNormalWS1;\n" -" float planeEqWS=planeEqWS1;\n" -" \n" -" //clip face\n" -" //clipFace(*pVtxIn, *pVtxOut,planeNormalWS,planeEqWS);\n" -" numVertsOut = clipFace(pVtxIn, numVertsIn, planeNormalWS,planeEqWS, pVtxOut);\n" -" //btSwap(pVtxIn,pVtxOut);\n" -" float4* tmp = pVtxOut;\n" -" pVtxOut = pVtxIn;\n" -" pVtxIn = tmp;\n" -" numVertsIn = numVertsOut;\n" -" numVertsOut = 0;\n" -" }\n" -" \n" -" // only keep points that are behind the witness face\n" -" {\n" -" float4 localPlaneNormal = make_float4(polyA.m_plane.x,polyA.m_plane.y,polyA.m_plane.z,0.f);\n" -" float localPlaneEq = polyA.m_plane.w;\n" -" float4 planeNormalWS = qtRotate(ornA,localPlaneNormal);\n" -" float planeEqWS=localPlaneEq-dot3F4(planeNormalWS,posA);\n" -" for (int i=0;i<numVertsIn;i++)\n" -" {\n" -" float depth = dot3F4(planeNormalWS,pVtxIn[i])+planeEqWS;\n" -" if (depth <=minDist)\n" -" {\n" -" depth = minDist;\n" -" }\n" -" if (depth <=maxDist)\n" -" {\n" -" float4 pointInWorld = pVtxIn[i];\n" -" //resultOut.addContactPoint(separatingNormal,point,depth);\n" -" contactsOut[numContactsOut++] = make_float4(pointInWorld.x,pointInWorld.y,pointInWorld.z,depth);\n" -" }\n" -" }\n" -" }\n" -" return numContactsOut;\n" -"}\n" -"int clipFaceAgainstHullLocalA(const float4 separatingNormal, const b3ConvexPolyhedronData_t* hullA, \n" -" const float4 posA, const Quaternion ornA, float4* worldVertsB1, int numWorldVertsB1,\n" -" float4* worldVertsB2, int capacityWorldVertsB2,\n" -" const float minDist, float maxDist,\n" -" const float4* verticesA,\n" -" const b3GpuFace_t* facesA,\n" -" const int* indicesA,\n" -" __global const float4* verticesB,\n" -" __global const b3GpuFace_t* facesB,\n" -" __global const int* indicesB,\n" -" float4* contactsOut,\n" -" int contactCapacity)\n" -"{\n" -" int numContactsOut = 0;\n" -" float4* pVtxIn = worldVertsB1;\n" -" float4* pVtxOut = worldVertsB2;\n" -" \n" -" int numVertsIn = numWorldVertsB1;\n" -" int numVertsOut = 0;\n" -" int closestFaceA=-1;\n" -" {\n" -" float dmin = FLT_MAX;\n" -" for(int face=0;face<hullA->m_numFaces;face++)\n" -" {\n" -" const float4 Normal = make_float4(\n" -" facesA[hullA->m_faceOffset+face].m_plane.x, \n" -" facesA[hullA->m_faceOffset+face].m_plane.y, \n" -" facesA[hullA->m_faceOffset+face].m_plane.z,0.f);\n" -" const float4 faceANormalWS = qtRotate(ornA,Normal);\n" -" \n" -" float d = dot3F4(faceANormalWS,separatingNormal);\n" -" if (d < dmin)\n" -" {\n" -" dmin = d;\n" -" closestFaceA = face;\n" -" }\n" -" }\n" -" }\n" -" if (closestFaceA<0)\n" -" return numContactsOut;\n" -" b3GpuFace_t polyA = facesA[hullA->m_faceOffset+closestFaceA];\n" -" // clip polygon to back of planes of all faces of hull A that are adjacent to witness face\n" -" int numVerticesA = polyA.m_numIndices;\n" -" for(int e0=0;e0<numVerticesA;e0++)\n" -" {\n" -" const float4 a = verticesA[hullA->m_vertexOffset+indicesA[polyA.m_indexOffset+e0]];\n" -" const float4 b = verticesA[hullA->m_vertexOffset+indicesA[polyA.m_indexOffset+((e0+1)%numVerticesA)]];\n" -" const float4 edge0 = a - b;\n" -" const float4 WorldEdge0 = qtRotate(ornA,edge0);\n" -" float4 planeNormalA = make_float4(polyA.m_plane.x,polyA.m_plane.y,polyA.m_plane.z,0.f);\n" -" float4 worldPlaneAnormal1 = qtRotate(ornA,planeNormalA);\n" -" float4 planeNormalWS1 = -cross3(WorldEdge0,worldPlaneAnormal1);\n" -" float4 worldA1 = transform(&a,&posA,&ornA);\n" -" float planeEqWS1 = -dot3F4(worldA1,planeNormalWS1);\n" -" \n" -" float4 planeNormalWS = planeNormalWS1;\n" -" float planeEqWS=planeEqWS1;\n" -" \n" -" //clip face\n" -" //clipFace(*pVtxIn, *pVtxOut,planeNormalWS,planeEqWS);\n" -" numVertsOut = clipFace(pVtxIn, numVertsIn, planeNormalWS,planeEqWS, pVtxOut);\n" -" //btSwap(pVtxIn,pVtxOut);\n" -" float4* tmp = pVtxOut;\n" -" pVtxOut = pVtxIn;\n" -" pVtxIn = tmp;\n" -" numVertsIn = numVertsOut;\n" -" numVertsOut = 0;\n" -" }\n" -" \n" -" // only keep points that are behind the witness face\n" -" {\n" -" float4 localPlaneNormal = make_float4(polyA.m_plane.x,polyA.m_plane.y,polyA.m_plane.z,0.f);\n" -" float localPlaneEq = polyA.m_plane.w;\n" -" float4 planeNormalWS = qtRotate(ornA,localPlaneNormal);\n" -" float planeEqWS=localPlaneEq-dot3F4(planeNormalWS,posA);\n" -" for (int i=0;i<numVertsIn;i++)\n" -" {\n" -" float depth = dot3F4(planeNormalWS,pVtxIn[i])+planeEqWS;\n" -" if (depth <=minDist)\n" -" {\n" -" depth = minDist;\n" -" }\n" -" if (depth <=maxDist)\n" -" {\n" -" float4 pointInWorld = pVtxIn[i];\n" -" //resultOut.addContactPoint(separatingNormal,point,depth);\n" -" contactsOut[numContactsOut++] = make_float4(pointInWorld.x,pointInWorld.y,pointInWorld.z,depth);\n" -" }\n" -" }\n" -" }\n" -" return numContactsOut;\n" -"}\n" -"int clipHullAgainstHull(const float4 separatingNormal,\n" -" __global const b3ConvexPolyhedronData_t* hullA, __global const b3ConvexPolyhedronData_t* hullB, \n" -" const float4 posA, const Quaternion ornA,const float4 posB, const Quaternion ornB, \n" -" float4* worldVertsB1, float4* worldVertsB2, int capacityWorldVerts,\n" -" const float minDist, float maxDist,\n" -" __global const float4* vertices,\n" -" __global const b3GpuFace_t* faces,\n" -" __global const int* indices,\n" -" float4* localContactsOut,\n" -" int localContactCapacity)\n" -"{\n" -" int numContactsOut = 0;\n" -" int numWorldVertsB1= 0;\n" -" int closestFaceB=-1;\n" -" float dmax = -FLT_MAX;\n" -" {\n" -" for(int face=0;face<hullB->m_numFaces;face++)\n" -" {\n" -" const float4 Normal = make_float4(faces[hullB->m_faceOffset+face].m_plane.x, \n" -" faces[hullB->m_faceOffset+face].m_plane.y, faces[hullB->m_faceOffset+face].m_plane.z,0.f);\n" -" const float4 WorldNormal = qtRotate(ornB, Normal);\n" -" float d = dot3F4(WorldNormal,separatingNormal);\n" -" if (d > dmax)\n" -" {\n" -" dmax = d;\n" -" closestFaceB = face;\n" -" }\n" -" }\n" -" }\n" -" {\n" -" const b3GpuFace_t polyB = faces[hullB->m_faceOffset+closestFaceB];\n" -" const int numVertices = polyB.m_numIndices;\n" -" for(int e0=0;e0<numVertices;e0++)\n" -" {\n" -" const float4 b = vertices[hullB->m_vertexOffset+indices[polyB.m_indexOffset+e0]];\n" -" worldVertsB1[numWorldVertsB1++] = transform(&b,&posB,&ornB);\n" -" }\n" -" }\n" -" if (closestFaceB>=0)\n" -" {\n" -" numContactsOut = clipFaceAgainstHull(separatingNormal, hullA, \n" -" posA,ornA,\n" -" worldVertsB1,numWorldVertsB1,worldVertsB2,capacityWorldVerts, minDist, maxDist,vertices,\n" -" faces,\n" -" indices,localContactsOut,localContactCapacity);\n" -" }\n" -" return numContactsOut;\n" -"}\n" -"int clipHullAgainstHullLocalA(const float4 separatingNormal,\n" -" const b3ConvexPolyhedronData_t* hullA, __global const b3ConvexPolyhedronData_t* hullB, \n" -" const float4 posA, const Quaternion ornA,const float4 posB, const Quaternion ornB, \n" -" float4* worldVertsB1, float4* worldVertsB2, int capacityWorldVerts,\n" -" const float minDist, float maxDist,\n" -" const float4* verticesA,\n" -" const b3GpuFace_t* facesA,\n" -" const int* indicesA,\n" -" __global const float4* verticesB,\n" -" __global const b3GpuFace_t* facesB,\n" -" __global const int* indicesB,\n" -" float4* localContactsOut,\n" -" int localContactCapacity)\n" -"{\n" -" int numContactsOut = 0;\n" -" int numWorldVertsB1= 0;\n" -" int closestFaceB=-1;\n" -" float dmax = -FLT_MAX;\n" -" {\n" -" for(int face=0;face<hullB->m_numFaces;face++)\n" -" {\n" -" const float4 Normal = make_float4(facesB[hullB->m_faceOffset+face].m_plane.x, \n" -" facesB[hullB->m_faceOffset+face].m_plane.y, facesB[hullB->m_faceOffset+face].m_plane.z,0.f);\n" -" const float4 WorldNormal = qtRotate(ornB, Normal);\n" -" float d = dot3F4(WorldNormal,separatingNormal);\n" -" if (d > dmax)\n" -" {\n" -" dmax = d;\n" -" closestFaceB = face;\n" -" }\n" -" }\n" -" }\n" -" {\n" -" const b3GpuFace_t polyB = facesB[hullB->m_faceOffset+closestFaceB];\n" -" const int numVertices = polyB.m_numIndices;\n" -" for(int e0=0;e0<numVertices;e0++)\n" -" {\n" -" const float4 b = verticesB[hullB->m_vertexOffset+indicesB[polyB.m_indexOffset+e0]];\n" -" worldVertsB1[numWorldVertsB1++] = transform(&b,&posB,&ornB);\n" -" }\n" -" }\n" -" if (closestFaceB>=0)\n" -" {\n" -" numContactsOut = clipFaceAgainstHullLocalA(separatingNormal, hullA, \n" -" posA,ornA,\n" -" worldVertsB1,numWorldVertsB1,worldVertsB2,capacityWorldVerts, minDist, maxDist,\n" -" verticesA,facesA,indicesA,\n" -" verticesB,facesB,indicesB,\n" -" localContactsOut,localContactCapacity);\n" -" }\n" -" return numContactsOut;\n" -"}\n" -"#define PARALLEL_SUM(v, n) for(int j=1; j<n; j++) v[0] += v[j];\n" -"#define PARALLEL_DO(execution, n) for(int ie=0; ie<n; ie++){execution;}\n" -"#define REDUCE_MAX(v, n) {int i=0; for(int offset=0; offset<n; offset++) v[i] = (v[i].y > v[i+offset].y)? v[i]: v[i+offset]; }\n" -"#define REDUCE_MIN(v, n) {int i=0; for(int offset=0; offset<n; offset++) v[i] = (v[i].y < v[i+offset].y)? v[i]: v[i+offset]; }\n" -"int extractManifoldSequentialGlobal(__global const float4* p, int nPoints, float4 nearNormal, int4* contactIdx)\n" -"{\n" -" if( nPoints == 0 )\n" -" return 0;\n" -" \n" -" if (nPoints <=4)\n" -" return nPoints;\n" -" \n" -" \n" -" if (nPoints >64)\n" -" nPoints = 64;\n" -" \n" -" float4 center = make_float4(0.f);\n" -" {\n" -" \n" -" for (int i=0;i<nPoints;i++)\n" -" center += p[i];\n" -" center /= (float)nPoints;\n" -" }\n" -" \n" -" \n" -" \n" -" // sample 4 directions\n" -" \n" -" float4 aVector = p[0] - center;\n" -" float4 u = cross3( nearNormal, aVector );\n" -" float4 v = cross3( nearNormal, u );\n" -" u = normalize3( u );\n" -" v = normalize3( v );\n" -" \n" -" \n" -" //keep point with deepest penetration\n" -" float minW= FLT_MAX;\n" -" \n" -" int minIndex=-1;\n" -" \n" -" float4 maxDots;\n" -" maxDots.x = FLT_MIN;\n" -" maxDots.y = FLT_MIN;\n" -" maxDots.z = FLT_MIN;\n" -" maxDots.w = FLT_MIN;\n" -" \n" -" // idx, distance\n" -" for(int ie = 0; ie<nPoints; ie++ )\n" -" {\n" -" if (p[ie].w<minW)\n" -" {\n" -" minW = p[ie].w;\n" -" minIndex=ie;\n" -" }\n" -" float f;\n" -" float4 r = p[ie]-center;\n" -" f = dot3F4( u, r );\n" -" if (f<maxDots.x)\n" -" {\n" -" maxDots.x = f;\n" -" contactIdx[0].x = ie;\n" -" }\n" -" \n" -" f = dot3F4( -u, r );\n" -" if (f<maxDots.y)\n" -" {\n" -" maxDots.y = f;\n" -" contactIdx[0].y = ie;\n" -" }\n" -" \n" -" \n" -" f = dot3F4( v, r );\n" -" if (f<maxDots.z)\n" -" {\n" -" maxDots.z = f;\n" -" contactIdx[0].z = ie;\n" -" }\n" -" \n" -" f = dot3F4( -v, r );\n" -" if (f<maxDots.w)\n" -" {\n" -" maxDots.w = f;\n" -" contactIdx[0].w = ie;\n" -" }\n" -" \n" -" }\n" -" \n" -" if (contactIdx[0].x != minIndex && contactIdx[0].y != minIndex && contactIdx[0].z != minIndex && contactIdx[0].w != minIndex)\n" -" {\n" -" //replace the first contact with minimum (todo: replace contact with least penetration)\n" -" contactIdx[0].x = minIndex;\n" -" }\n" -" \n" -" return 4;\n" -" \n" -"}\n" -"int extractManifoldSequentialGlobalFake(__global const float4* p, int nPoints, float4 nearNormal, int* contactIdx)\n" -"{\n" -" contactIdx[0] = 0;\n" -" contactIdx[1] = 1;\n" -" contactIdx[2] = 2;\n" -" contactIdx[3] = 3;\n" -" \n" -" if( nPoints == 0 ) return 0;\n" -" \n" -" nPoints = min2( nPoints, 4 );\n" -" return nPoints;\n" -" \n" -"}\n" -"int extractManifoldSequential(const float4* p, int nPoints, float4 nearNormal, int* contactIdx)\n" -"{\n" -" if( nPoints == 0 ) return 0;\n" -" nPoints = min2( nPoints, 64 );\n" -" float4 center = make_float4(0.f);\n" -" {\n" -" float4 v[64];\n" -" for (int i=0;i<nPoints;i++)\n" -" v[i] = p[i];\n" -" //memcpy( v, p, nPoints*sizeof(float4) );\n" -" PARALLEL_SUM( v, nPoints );\n" -" center = v[0]/(float)nPoints;\n" -" }\n" -" \n" -" { // sample 4 directions\n" -" if( nPoints < 4 )\n" -" {\n" -" for(int i=0; i<nPoints; i++) \n" -" contactIdx[i] = i;\n" -" return nPoints;\n" -" }\n" -" float4 aVector = p[0] - center;\n" -" float4 u = cross3( nearNormal, aVector );\n" -" float4 v = cross3( nearNormal, u );\n" -" u = normalize3( u );\n" -" v = normalize3( v );\n" -" int idx[4];\n" -" float2 max00 = make_float2(0,FLT_MAX);\n" -" {\n" -" // idx, distance\n" -" {\n" -" {\n" -" int4 a[64];\n" -" for(int ie = 0; ie<nPoints; ie++ )\n" -" {\n" -" \n" -" \n" -" float f;\n" -" float4 r = p[ie]-center;\n" -" f = dot3F4( u, r );\n" -" a[ie].x = ((*(u32*)&f) & 0xffffff00) | (0xff & ie);\n" -" f = dot3F4( -u, r );\n" -" a[ie].y = ((*(u32*)&f) & 0xffffff00) | (0xff & ie);\n" -" f = dot3F4( v, r );\n" -" a[ie].z = ((*(u32*)&f) & 0xffffff00) | (0xff & ie);\n" -" f = dot3F4( -v, r );\n" -" a[ie].w = ((*(u32*)&f) & 0xffffff00) | (0xff & ie);\n" -" }\n" -" for(int ie=0; ie<nPoints; ie++)\n" -" {\n" -" a[0].x = (a[0].x > a[ie].x )? a[0].x: a[ie].x;\n" -" a[0].y = (a[0].y > a[ie].y )? a[0].y: a[ie].y;\n" -" a[0].z = (a[0].z > a[ie].z )? a[0].z: a[ie].z;\n" -" a[0].w = (a[0].w > a[ie].w )? a[0].w: a[ie].w;\n" -" }\n" -" idx[0] = (int)a[0].x & 0xff;\n" -" idx[1] = (int)a[0].y & 0xff;\n" -" idx[2] = (int)a[0].z & 0xff;\n" -" idx[3] = (int)a[0].w & 0xff;\n" -" }\n" -" }\n" -" {\n" -" float2 h[64];\n" -" PARALLEL_DO( h[ie] = make_float2((float)ie, p[ie].w), nPoints );\n" -" REDUCE_MIN( h, nPoints );\n" -" max00 = h[0];\n" -" }\n" -" }\n" -" contactIdx[0] = idx[0];\n" -" contactIdx[1] = idx[1];\n" -" contactIdx[2] = idx[2];\n" -" contactIdx[3] = idx[3];\n" -" return 4;\n" -" }\n" -"}\n" -"__kernel void extractManifoldAndAddContactKernel(__global const int4* pairs, \n" -" __global const b3RigidBodyData_t* rigidBodies, \n" -" __global const float4* closestPointsWorld,\n" -" __global const float4* separatingNormalsWorld,\n" -" __global const int* contactCounts,\n" -" __global const int* contactOffsets,\n" -" __global struct b3Contact4Data* restrict contactsOut,\n" -" counter32_t nContactsOut,\n" -" int contactCapacity,\n" -" int numPairs,\n" -" int pairIndex\n" -" )\n" -"{\n" -" int idx = get_global_id(0);\n" -" \n" -" if (idx<numPairs)\n" -" {\n" -" float4 normal = separatingNormalsWorld[idx];\n" -" int nPoints = contactCounts[idx];\n" -" __global const float4* pointsIn = &closestPointsWorld[contactOffsets[idx]];\n" -" float4 localPoints[64];\n" -" for (int i=0;i<nPoints;i++)\n" -" {\n" -" localPoints[i] = pointsIn[i];\n" -" }\n" -" int contactIdx[4];// = {-1,-1,-1,-1};\n" -" contactIdx[0] = -1;\n" -" contactIdx[1] = -1;\n" -" contactIdx[2] = -1;\n" -" contactIdx[3] = -1;\n" -" int nContacts = extractManifoldSequential(localPoints, nPoints, normal, contactIdx);\n" -" int dstIdx;\n" -" AppendInc( nContactsOut, dstIdx );\n" -" if (dstIdx<contactCapacity)\n" -" {\n" -" __global struct b3Contact4Data* c = contactsOut + dstIdx;\n" -" c->m_worldNormalOnB = -normal;\n" -" c->m_restituitionCoeffCmp = (0.f*0xffff);c->m_frictionCoeffCmp = (0.7f*0xffff);\n" -" c->m_batchIdx = idx;\n" -" int bodyA = pairs[pairIndex].x;\n" -" int bodyB = pairs[pairIndex].y;\n" -" c->m_bodyAPtrAndSignBit = rigidBodies[bodyA].m_invMass==0 ? -bodyA:bodyA;\n" -" c->m_bodyBPtrAndSignBit = rigidBodies[bodyB].m_invMass==0 ? -bodyB:bodyB;\n" -" c->m_childIndexA = -1;\n" -" c->m_childIndexB = -1;\n" -" for (int i=0;i<nContacts;i++)\n" -" {\n" -" c->m_worldPosB[i] = localPoints[contactIdx[i]];\n" -" }\n" -" GET_NPOINTS(*c) = nContacts;\n" -" }\n" -" }\n" -"}\n" -"void trInverse(float4 translationIn, Quaternion orientationIn,\n" -" float4* translationOut, Quaternion* orientationOut)\n" -"{\n" -" *orientationOut = qtInvert(orientationIn);\n" -" *translationOut = qtRotate(*orientationOut, -translationIn);\n" -"}\n" -"void trMul(float4 translationA, Quaternion orientationA,\n" -" float4 translationB, Quaternion orientationB,\n" -" float4* translationOut, Quaternion* orientationOut)\n" -"{\n" -" *orientationOut = qtMul(orientationA,orientationB);\n" -" *translationOut = transform(&translationB,&translationA,&orientationA);\n" -"}\n" -"__kernel void clipHullHullKernel( __global int4* pairs, \n" -" __global const b3RigidBodyData_t* rigidBodies, \n" -" __global const b3Collidable_t* collidables,\n" -" __global const b3ConvexPolyhedronData_t* convexShapes, \n" -" __global const float4* vertices,\n" -" __global const float4* uniqueEdges,\n" -" __global const b3GpuFace_t* faces,\n" -" __global const int* indices,\n" -" __global const float4* separatingNormals,\n" -" __global const int* hasSeparatingAxis,\n" -" __global struct b3Contact4Data* restrict globalContactsOut,\n" -" counter32_t nGlobalContactsOut,\n" -" int numPairs,\n" -" int contactCapacity)\n" -"{\n" -" int i = get_global_id(0);\n" -" int pairIndex = i;\n" -" \n" -" float4 worldVertsB1[64];\n" -" float4 worldVertsB2[64];\n" -" int capacityWorldVerts = 64; \n" -" float4 localContactsOut[64];\n" -" int localContactCapacity=64;\n" -" \n" -" float minDist = -1e30f;\n" -" float maxDist = 0.02f;\n" -" if (i<numPairs)\n" -" {\n" -" int bodyIndexA = pairs[i].x;\n" -" int bodyIndexB = pairs[i].y;\n" -" \n" -" int collidableIndexA = rigidBodies[bodyIndexA].m_collidableIdx;\n" -" int collidableIndexB = rigidBodies[bodyIndexB].m_collidableIdx;\n" -" if (hasSeparatingAxis[i])\n" -" {\n" -" \n" -" int shapeIndexA = collidables[collidableIndexA].m_shapeIndex;\n" -" int shapeIndexB = collidables[collidableIndexB].m_shapeIndex;\n" -" \n" -" \n" -" int numLocalContactsOut = clipHullAgainstHull(separatingNormals[i],\n" -" &convexShapes[shapeIndexA], &convexShapes[shapeIndexB],\n" -" rigidBodies[bodyIndexA].m_pos,rigidBodies[bodyIndexA].m_quat,\n" -" rigidBodies[bodyIndexB].m_pos,rigidBodies[bodyIndexB].m_quat,\n" -" worldVertsB1,worldVertsB2,capacityWorldVerts,\n" -" minDist, maxDist,\n" -" vertices,faces,indices,\n" -" localContactsOut,localContactCapacity);\n" -" \n" -" if (numLocalContactsOut>0)\n" -" {\n" -" float4 normal = -separatingNormals[i];\n" -" int nPoints = numLocalContactsOut;\n" -" float4* pointsIn = localContactsOut;\n" -" int contactIdx[4];// = {-1,-1,-1,-1};\n" -" contactIdx[0] = -1;\n" -" contactIdx[1] = -1;\n" -" contactIdx[2] = -1;\n" -" contactIdx[3] = -1;\n" -" \n" -" int nReducedContacts = extractManifoldSequential(pointsIn, nPoints, normal, contactIdx);\n" -" \n" -" \n" -" int mprContactIndex = pairs[pairIndex].z;\n" -" int dstIdx = mprContactIndex;\n" -" if (dstIdx<0)\n" -" {\n" -" AppendInc( nGlobalContactsOut, dstIdx );\n" -" }\n" -" if (dstIdx<contactCapacity)\n" -" {\n" -" pairs[pairIndex].z = dstIdx;\n" -" __global struct b3Contact4Data* c = globalContactsOut+ dstIdx;\n" -" c->m_worldNormalOnB = -normal;\n" -" c->m_restituitionCoeffCmp = (0.f*0xffff);c->m_frictionCoeffCmp = (0.7f*0xffff);\n" -" c->m_batchIdx = pairIndex;\n" -" int bodyA = pairs[pairIndex].x;\n" -" int bodyB = pairs[pairIndex].y;\n" -" c->m_bodyAPtrAndSignBit = rigidBodies[bodyA].m_invMass==0?-bodyA:bodyA;\n" -" c->m_bodyBPtrAndSignBit = rigidBodies[bodyB].m_invMass==0?-bodyB:bodyB;\n" -" c->m_childIndexA = -1;\n" -" c->m_childIndexB = -1;\n" -" for (int i=0;i<nReducedContacts;i++)\n" -" {\n" -" //this condition means: overwrite contact point, unless at index i==0 we have a valid 'mpr' contact\n" -" if (i>0||(mprContactIndex<0))\n" -" {\n" -" c->m_worldPosB[i] = pointsIn[contactIdx[i]];\n" -" }\n" -" }\n" -" GET_NPOINTS(*c) = nReducedContacts;\n" -" }\n" -" \n" -" }// if (numContactsOut>0)\n" -" }// if (hasSeparatingAxis[i])\n" -" }// if (i<numPairs)\n" -"}\n" -"__kernel void clipCompoundsHullHullKernel( __global const int4* gpuCompoundPairs, \n" -" __global const b3RigidBodyData_t* rigidBodies, \n" -" __global const b3Collidable_t* collidables,\n" -" __global const b3ConvexPolyhedronData_t* convexShapes, \n" -" __global const float4* vertices,\n" -" __global const float4* uniqueEdges,\n" -" __global const b3GpuFace_t* faces,\n" -" __global const int* indices,\n" -" __global const b3GpuChildShape_t* gpuChildShapes,\n" -" __global const float4* gpuCompoundSepNormalsOut,\n" -" __global const int* gpuHasCompoundSepNormalsOut,\n" -" __global struct b3Contact4Data* restrict globalContactsOut,\n" -" counter32_t nGlobalContactsOut,\n" -" int numCompoundPairs, int maxContactCapacity)\n" -"{\n" -" int i = get_global_id(0);\n" -" int pairIndex = i;\n" -" \n" -" float4 worldVertsB1[64];\n" -" float4 worldVertsB2[64];\n" -" int capacityWorldVerts = 64; \n" -" float4 localContactsOut[64];\n" -" int localContactCapacity=64;\n" -" \n" -" float minDist = -1e30f;\n" -" float maxDist = 0.02f;\n" -" if (i<numCompoundPairs)\n" -" {\n" -" if (gpuHasCompoundSepNormalsOut[i])\n" -" {\n" -" int bodyIndexA = gpuCompoundPairs[i].x;\n" -" int bodyIndexB = gpuCompoundPairs[i].y;\n" -" \n" -" int childShapeIndexA = gpuCompoundPairs[i].z;\n" -" int childShapeIndexB = gpuCompoundPairs[i].w;\n" -" \n" -" int collidableIndexA = -1;\n" -" int collidableIndexB = -1;\n" -" \n" -" float4 ornA = rigidBodies[bodyIndexA].m_quat;\n" -" float4 posA = rigidBodies[bodyIndexA].m_pos;\n" -" \n" -" float4 ornB = rigidBodies[bodyIndexB].m_quat;\n" -" float4 posB = rigidBodies[bodyIndexB].m_pos;\n" -" \n" -" if (childShapeIndexA >= 0)\n" -" {\n" -" collidableIndexA = gpuChildShapes[childShapeIndexA].m_shapeIndex;\n" -" float4 childPosA = gpuChildShapes[childShapeIndexA].m_childPosition;\n" -" float4 childOrnA = gpuChildShapes[childShapeIndexA].m_childOrientation;\n" -" float4 newPosA = qtRotate(ornA,childPosA)+posA;\n" -" float4 newOrnA = qtMul(ornA,childOrnA);\n" -" posA = newPosA;\n" -" ornA = newOrnA;\n" -" } else\n" -" {\n" -" collidableIndexA = rigidBodies[bodyIndexA].m_collidableIdx;\n" -" }\n" -" \n" -" if (childShapeIndexB>=0)\n" -" {\n" -" collidableIndexB = gpuChildShapes[childShapeIndexB].m_shapeIndex;\n" -" float4 childPosB = gpuChildShapes[childShapeIndexB].m_childPosition;\n" -" float4 childOrnB = gpuChildShapes[childShapeIndexB].m_childOrientation;\n" -" float4 newPosB = transform(&childPosB,&posB,&ornB);\n" -" float4 newOrnB = qtMul(ornB,childOrnB);\n" -" posB = newPosB;\n" -" ornB = newOrnB;\n" -" } else\n" -" {\n" -" collidableIndexB = rigidBodies[bodyIndexB].m_collidableIdx; \n" -" }\n" -" \n" -" int shapeIndexA = collidables[collidableIndexA].m_shapeIndex;\n" -" int shapeIndexB = collidables[collidableIndexB].m_shapeIndex;\n" -" \n" -" int numLocalContactsOut = clipHullAgainstHull(gpuCompoundSepNormalsOut[i],\n" -" &convexShapes[shapeIndexA], &convexShapes[shapeIndexB],\n" -" posA,ornA,\n" -" posB,ornB,\n" -" worldVertsB1,worldVertsB2,capacityWorldVerts,\n" -" minDist, maxDist,\n" -" vertices,faces,indices,\n" -" localContactsOut,localContactCapacity);\n" -" \n" -" if (numLocalContactsOut>0)\n" -" {\n" -" float4 normal = -gpuCompoundSepNormalsOut[i];\n" -" int nPoints = numLocalContactsOut;\n" -" float4* pointsIn = localContactsOut;\n" -" int contactIdx[4];// = {-1,-1,-1,-1};\n" -" contactIdx[0] = -1;\n" -" contactIdx[1] = -1;\n" -" contactIdx[2] = -1;\n" -" contactIdx[3] = -1;\n" -" \n" -" int nReducedContacts = extractManifoldSequential(pointsIn, nPoints, normal, contactIdx);\n" -" \n" -" int dstIdx;\n" -" AppendInc( nGlobalContactsOut, dstIdx );\n" -" if ((dstIdx+nReducedContacts) < maxContactCapacity)\n" -" {\n" -" __global struct b3Contact4Data* c = globalContactsOut+ dstIdx;\n" -" c->m_worldNormalOnB = -normal;\n" -" c->m_restituitionCoeffCmp = (0.f*0xffff);c->m_frictionCoeffCmp = (0.7f*0xffff);\n" -" c->m_batchIdx = pairIndex;\n" -" int bodyA = gpuCompoundPairs[pairIndex].x;\n" -" int bodyB = gpuCompoundPairs[pairIndex].y;\n" -" c->m_bodyAPtrAndSignBit = rigidBodies[bodyA].m_invMass==0?-bodyA:bodyA;\n" -" c->m_bodyBPtrAndSignBit = rigidBodies[bodyB].m_invMass==0?-bodyB:bodyB;\n" -" c->m_childIndexA = childShapeIndexA;\n" -" c->m_childIndexB = childShapeIndexB;\n" -" for (int i=0;i<nReducedContacts;i++)\n" -" {\n" -" c->m_worldPosB[i] = pointsIn[contactIdx[i]];\n" -" }\n" -" GET_NPOINTS(*c) = nReducedContacts;\n" -" }\n" -" \n" -" }// if (numContactsOut>0)\n" -" }// if (gpuHasCompoundSepNormalsOut[i])\n" -" }// if (i<numCompoundPairs)\n" -"}\n" -"__kernel void sphereSphereCollisionKernel( __global const int4* pairs, \n" -" __global const b3RigidBodyData_t* rigidBodies, \n" -" __global const b3Collidable_t* collidables,\n" -" __global const float4* separatingNormals,\n" -" __global const int* hasSeparatingAxis,\n" -" __global struct b3Contact4Data* restrict globalContactsOut,\n" -" counter32_t nGlobalContactsOut,\n" -" int contactCapacity,\n" -" int numPairs)\n" -"{\n" -" int i = get_global_id(0);\n" -" int pairIndex = i;\n" -" \n" -" if (i<numPairs)\n" -" {\n" -" int bodyIndexA = pairs[i].x;\n" -" int bodyIndexB = pairs[i].y;\n" -" \n" -" int collidableIndexA = rigidBodies[bodyIndexA].m_collidableIdx;\n" -" int collidableIndexB = rigidBodies[bodyIndexB].m_collidableIdx;\n" -" if (collidables[collidableIndexA].m_shapeType == SHAPE_SPHERE &&\n" -" collidables[collidableIndexB].m_shapeType == SHAPE_SPHERE)\n" -" {\n" -" //sphere-sphere\n" -" float radiusA = collidables[collidableIndexA].m_radius;\n" -" float radiusB = collidables[collidableIndexB].m_radius;\n" -" float4 posA = rigidBodies[bodyIndexA].m_pos;\n" -" float4 posB = rigidBodies[bodyIndexB].m_pos;\n" -" float4 diff = posA-posB;\n" -" float len = length(diff);\n" -" \n" -" ///iff distance positive, don't generate a new contact\n" -" if ( len <= (radiusA+radiusB))\n" -" {\n" -" ///distance (negative means penetration)\n" -" float dist = len - (radiusA+radiusB);\n" -" float4 normalOnSurfaceB = make_float4(1.f,0.f,0.f,0.f);\n" -" if (len > 0.00001)\n" -" {\n" -" normalOnSurfaceB = diff / len;\n" -" }\n" -" float4 contactPosB = posB + normalOnSurfaceB*radiusB;\n" -" contactPosB.w = dist;\n" -" \n" -" int dstIdx;\n" -" AppendInc( nGlobalContactsOut, dstIdx );\n" -" if (dstIdx < contactCapacity)\n" -" {\n" -" __global struct b3Contact4Data* c = &globalContactsOut[dstIdx];\n" -" c->m_worldNormalOnB = -normalOnSurfaceB;\n" -" c->m_restituitionCoeffCmp = (0.f*0xffff);c->m_frictionCoeffCmp = (0.7f*0xffff);\n" -" c->m_batchIdx = pairIndex;\n" -" int bodyA = pairs[pairIndex].x;\n" -" int bodyB = pairs[pairIndex].y;\n" -" c->m_bodyAPtrAndSignBit = rigidBodies[bodyA].m_invMass==0?-bodyA:bodyA;\n" -" c->m_bodyBPtrAndSignBit = rigidBodies[bodyB].m_invMass==0?-bodyB:bodyB;\n" -" c->m_worldPosB[0] = contactPosB;\n" -" c->m_childIndexA = -1;\n" -" c->m_childIndexB = -1;\n" -" GET_NPOINTS(*c) = 1;\n" -" }//if (dstIdx < numPairs)\n" -" }//if ( len <= (radiusA+radiusB))\n" -" }//SHAPE_SPHERE SHAPE_SPHERE\n" -" }//if (i<numPairs)\n" -"} \n" -"__kernel void clipHullHullConcaveConvexKernel( __global int4* concavePairsIn,\n" -" __global const b3RigidBodyData_t* rigidBodies, \n" -" __global const b3Collidable_t* collidables,\n" -" __global const b3ConvexPolyhedronData_t* convexShapes, \n" -" __global const float4* vertices,\n" -" __global const float4* uniqueEdges,\n" -" __global const b3GpuFace_t* faces,\n" -" __global const int* indices,\n" -" __global const b3GpuChildShape_t* gpuChildShapes,\n" -" __global const float4* separatingNormals,\n" -" __global struct b3Contact4Data* restrict globalContactsOut,\n" -" counter32_t nGlobalContactsOut,\n" -" int contactCapacity,\n" -" int numConcavePairs)\n" -"{\n" -" int i = get_global_id(0);\n" -" int pairIndex = i;\n" -" \n" -" float4 worldVertsB1[64];\n" -" float4 worldVertsB2[64];\n" -" int capacityWorldVerts = 64; \n" -" float4 localContactsOut[64];\n" -" int localContactCapacity=64;\n" -" \n" -" float minDist = -1e30f;\n" -" float maxDist = 0.02f;\n" -" if (i<numConcavePairs)\n" -" {\n" -" //negative value means that the pair is invalid\n" -" if (concavePairsIn[i].w<0)\n" -" return;\n" -" int bodyIndexA = concavePairsIn[i].x;\n" -" int bodyIndexB = concavePairsIn[i].y;\n" -" int f = concavePairsIn[i].z;\n" -" int childShapeIndexA = f;\n" -" \n" -" int collidableIndexA = rigidBodies[bodyIndexA].m_collidableIdx;\n" -" int collidableIndexB = rigidBodies[bodyIndexB].m_collidableIdx;\n" -" \n" -" int shapeIndexA = collidables[collidableIndexA].m_shapeIndex;\n" -" int shapeIndexB = collidables[collidableIndexB].m_shapeIndex;\n" -" \n" -" ///////////////////////////////////////////////////////////////\n" -" \n" -" \n" -" bool overlap = false;\n" -" \n" -" b3ConvexPolyhedronData_t convexPolyhedronA;\n" -" //add 3 vertices of the triangle\n" -" convexPolyhedronA.m_numVertices = 3;\n" -" convexPolyhedronA.m_vertexOffset = 0;\n" -" float4 localCenter = make_float4(0.f,0.f,0.f,0.f);\n" -" b3GpuFace_t face = faces[convexShapes[shapeIndexA].m_faceOffset+f];\n" -" \n" -" float4 verticesA[3];\n" -" for (int i=0;i<3;i++)\n" -" {\n" -" int index = indices[face.m_indexOffset+i];\n" -" float4 vert = vertices[convexShapes[shapeIndexA].m_vertexOffset+index];\n" -" verticesA[i] = vert;\n" -" localCenter += vert;\n" -" }\n" -" float dmin = FLT_MAX;\n" -" int localCC=0;\n" -" //a triangle has 3 unique edges\n" -" convexPolyhedronA.m_numUniqueEdges = 3;\n" -" convexPolyhedronA.m_uniqueEdgesOffset = 0;\n" -" float4 uniqueEdgesA[3];\n" -" \n" -" uniqueEdgesA[0] = (verticesA[1]-verticesA[0]);\n" -" uniqueEdgesA[1] = (verticesA[2]-verticesA[1]);\n" -" uniqueEdgesA[2] = (verticesA[0]-verticesA[2]);\n" -" convexPolyhedronA.m_faceOffset = 0;\n" -" \n" -" float4 normal = make_float4(face.m_plane.x,face.m_plane.y,face.m_plane.z,0.f);\n" -" \n" -" b3GpuFace_t facesA[TRIANGLE_NUM_CONVEX_FACES];\n" -" int indicesA[3+3+2+2+2];\n" -" int curUsedIndices=0;\n" -" int fidx=0;\n" -" //front size of triangle\n" -" {\n" -" facesA[fidx].m_indexOffset=curUsedIndices;\n" -" indicesA[0] = 0;\n" -" indicesA[1] = 1;\n" -" indicesA[2] = 2;\n" -" curUsedIndices+=3;\n" -" float c = face.m_plane.w;\n" -" facesA[fidx].m_plane.x = normal.x;\n" -" facesA[fidx].m_plane.y = normal.y;\n" -" facesA[fidx].m_plane.z = normal.z;\n" -" facesA[fidx].m_plane.w = c;\n" -" facesA[fidx].m_numIndices=3;\n" -" }\n" -" fidx++;\n" -" //back size of triangle\n" -" {\n" -" facesA[fidx].m_indexOffset=curUsedIndices;\n" -" indicesA[3]=2;\n" -" indicesA[4]=1;\n" -" indicesA[5]=0;\n" -" curUsedIndices+=3;\n" -" float c = dot3F4(normal,verticesA[0]);\n" -" float c1 = -face.m_plane.w;\n" -" facesA[fidx].m_plane.x = -normal.x;\n" -" facesA[fidx].m_plane.y = -normal.y;\n" -" facesA[fidx].m_plane.z = -normal.z;\n" -" facesA[fidx].m_plane.w = c;\n" -" facesA[fidx].m_numIndices=3;\n" -" }\n" -" fidx++;\n" -" bool addEdgePlanes = true;\n" -" if (addEdgePlanes)\n" -" {\n" -" int numVertices=3;\n" -" int prevVertex = numVertices-1;\n" -" for (int i=0;i<numVertices;i++)\n" -" {\n" -" float4 v0 = verticesA[i];\n" -" float4 v1 = verticesA[prevVertex];\n" -" \n" -" float4 edgeNormal = normalize(cross(normal,v1-v0));\n" -" float c = -dot3F4(edgeNormal,v0);\n" -" facesA[fidx].m_numIndices = 2;\n" -" facesA[fidx].m_indexOffset=curUsedIndices;\n" -" indicesA[curUsedIndices++]=i;\n" -" indicesA[curUsedIndices++]=prevVertex;\n" -" \n" -" facesA[fidx].m_plane.x = edgeNormal.x;\n" -" facesA[fidx].m_plane.y = edgeNormal.y;\n" -" facesA[fidx].m_plane.z = edgeNormal.z;\n" -" facesA[fidx].m_plane.w = c;\n" -" fidx++;\n" -" prevVertex = i;\n" -" }\n" -" }\n" -" convexPolyhedronA.m_numFaces = TRIANGLE_NUM_CONVEX_FACES;\n" -" convexPolyhedronA.m_localCenter = localCenter*(1.f/3.f);\n" -" float4 posA = rigidBodies[bodyIndexA].m_pos;\n" -" posA.w = 0.f;\n" -" float4 posB = rigidBodies[bodyIndexB].m_pos;\n" -" posB.w = 0.f;\n" -" float4 ornA = rigidBodies[bodyIndexA].m_quat;\n" -" float4 ornB =rigidBodies[bodyIndexB].m_quat;\n" -" float4 sepAxis = separatingNormals[i];\n" -" \n" -" int shapeTypeB = collidables[collidableIndexB].m_shapeType;\n" -" int childShapeIndexB =-1;\n" -" if (shapeTypeB==SHAPE_COMPOUND_OF_CONVEX_HULLS)\n" -" {\n" -" ///////////////////\n" -" ///compound shape support\n" -" \n" -" childShapeIndexB = concavePairsIn[pairIndex].w;\n" -" int childColIndexB = gpuChildShapes[childShapeIndexB].m_shapeIndex;\n" -" shapeIndexB = collidables[childColIndexB].m_shapeIndex;\n" -" float4 childPosB = gpuChildShapes[childShapeIndexB].m_childPosition;\n" -" float4 childOrnB = gpuChildShapes[childShapeIndexB].m_childOrientation;\n" -" float4 newPosB = transform(&childPosB,&posB,&ornB);\n" -" float4 newOrnB = qtMul(ornB,childOrnB);\n" -" posB = newPosB;\n" -" ornB = newOrnB;\n" -" \n" -" }\n" -" \n" -" ////////////////////////////////////////\n" -" \n" -" \n" -" \n" -" int numLocalContactsOut = clipHullAgainstHullLocalA(sepAxis,\n" -" &convexPolyhedronA, &convexShapes[shapeIndexB],\n" -" posA,ornA,\n" -" posB,ornB,\n" -" worldVertsB1,worldVertsB2,capacityWorldVerts,\n" -" minDist, maxDist,\n" -" &verticesA,&facesA,&indicesA,\n" -" vertices,faces,indices,\n" -" localContactsOut,localContactCapacity);\n" -" \n" -" if (numLocalContactsOut>0)\n" -" {\n" -" float4 normal = -separatingNormals[i];\n" -" int nPoints = numLocalContactsOut;\n" -" float4* pointsIn = localContactsOut;\n" -" int contactIdx[4];// = {-1,-1,-1,-1};\n" -" contactIdx[0] = -1;\n" -" contactIdx[1] = -1;\n" -" contactIdx[2] = -1;\n" -" contactIdx[3] = -1;\n" -" \n" -" int nReducedContacts = extractManifoldSequential(pointsIn, nPoints, normal, contactIdx);\n" -" \n" -" int dstIdx;\n" -" AppendInc( nGlobalContactsOut, dstIdx );\n" -" if (dstIdx<contactCapacity)\n" -" {\n" -" __global struct b3Contact4Data* c = globalContactsOut+ dstIdx;\n" -" c->m_worldNormalOnB = -normal;\n" -" c->m_restituitionCoeffCmp = (0.f*0xffff);c->m_frictionCoeffCmp = (0.7f*0xffff);\n" -" c->m_batchIdx = pairIndex;\n" -" int bodyA = concavePairsIn[pairIndex].x;\n" -" int bodyB = concavePairsIn[pairIndex].y;\n" -" c->m_bodyAPtrAndSignBit = rigidBodies[bodyA].m_invMass==0?-bodyA:bodyA;\n" -" c->m_bodyBPtrAndSignBit = rigidBodies[bodyB].m_invMass==0?-bodyB:bodyB;\n" -" c->m_childIndexA = childShapeIndexA;\n" -" c->m_childIndexB = childShapeIndexB;\n" -" for (int i=0;i<nReducedContacts;i++)\n" -" {\n" -" c->m_worldPosB[i] = pointsIn[contactIdx[i]];\n" -" }\n" -" GET_NPOINTS(*c) = nReducedContacts;\n" -" }\n" -" \n" -" }// if (numContactsOut>0)\n" -" }// if (i<numPairs)\n" -"}\n" -"int findClippingFaces(const float4 separatingNormal,\n" -" __global const b3ConvexPolyhedronData_t* hullA, __global const b3ConvexPolyhedronData_t* hullB,\n" -" const float4 posA, const Quaternion ornA,const float4 posB, const Quaternion ornB,\n" -" __global float4* worldVertsA1,\n" -" __global float4* worldNormalsA1,\n" -" __global float4* worldVertsB1,\n" -" int capacityWorldVerts,\n" -" const float minDist, float maxDist,\n" -" __global const float4* vertices,\n" -" __global const b3GpuFace_t* faces,\n" -" __global const int* indices,\n" -" __global int4* clippingFaces, int pairIndex)\n" -"{\n" -" int numContactsOut = 0;\n" -" int numWorldVertsB1= 0;\n" -" \n" -" \n" -" int closestFaceB=-1;\n" -" float dmax = -FLT_MAX;\n" -" \n" -" {\n" -" for(int face=0;face<hullB->m_numFaces;face++)\n" -" {\n" -" const float4 Normal = make_float4(faces[hullB->m_faceOffset+face].m_plane.x,\n" -" faces[hullB->m_faceOffset+face].m_plane.y, faces[hullB->m_faceOffset+face].m_plane.z,0.f);\n" -" const float4 WorldNormal = qtRotate(ornB, Normal);\n" -" float d = dot3F4(WorldNormal,separatingNormal);\n" -" if (d > dmax)\n" -" {\n" -" dmax = d;\n" -" closestFaceB = face;\n" -" }\n" -" }\n" -" }\n" -" \n" -" {\n" -" const b3GpuFace_t polyB = faces[hullB->m_faceOffset+closestFaceB];\n" -" const int numVertices = polyB.m_numIndices;\n" -" for(int e0=0;e0<numVertices;e0++)\n" -" {\n" -" const float4 b = vertices[hullB->m_vertexOffset+indices[polyB.m_indexOffset+e0]];\n" -" worldVertsB1[pairIndex*capacityWorldVerts+numWorldVertsB1++] = transform(&b,&posB,&ornB);\n" -" }\n" -" }\n" -" \n" -" int closestFaceA=-1;\n" -" {\n" -" float dmin = FLT_MAX;\n" -" for(int face=0;face<hullA->m_numFaces;face++)\n" -" {\n" -" const float4 Normal = make_float4(\n" -" faces[hullA->m_faceOffset+face].m_plane.x,\n" -" faces[hullA->m_faceOffset+face].m_plane.y,\n" -" faces[hullA->m_faceOffset+face].m_plane.z,\n" -" 0.f);\n" -" const float4 faceANormalWS = qtRotate(ornA,Normal);\n" -" \n" -" float d = dot3F4(faceANormalWS,separatingNormal);\n" -" if (d < dmin)\n" -" {\n" -" dmin = d;\n" -" closestFaceA = face;\n" -" worldNormalsA1[pairIndex] = faceANormalWS;\n" -" }\n" -" }\n" -" }\n" -" \n" -" int numVerticesA = faces[hullA->m_faceOffset+closestFaceA].m_numIndices;\n" -" for(int e0=0;e0<numVerticesA;e0++)\n" -" {\n" -" const float4 a = vertices[hullA->m_vertexOffset+indices[faces[hullA->m_faceOffset+closestFaceA].m_indexOffset+e0]];\n" -" worldVertsA1[pairIndex*capacityWorldVerts+e0] = transform(&a, &posA,&ornA);\n" -" }\n" -" \n" -" clippingFaces[pairIndex].x = closestFaceA;\n" -" clippingFaces[pairIndex].y = closestFaceB;\n" -" clippingFaces[pairIndex].z = numVerticesA;\n" -" clippingFaces[pairIndex].w = numWorldVertsB1;\n" -" \n" -" \n" -" return numContactsOut;\n" -"}\n" -"int clipFaces(__global float4* worldVertsA1,\n" -" __global float4* worldNormalsA1,\n" -" __global float4* worldVertsB1,\n" -" __global float4* worldVertsB2, \n" -" int capacityWorldVertsB2,\n" -" const float minDist, float maxDist,\n" -" __global int4* clippingFaces,\n" -" int pairIndex)\n" -"{\n" -" int numContactsOut = 0;\n" -" \n" -" int closestFaceA = clippingFaces[pairIndex].x;\n" -" int closestFaceB = clippingFaces[pairIndex].y;\n" -" int numVertsInA = clippingFaces[pairIndex].z;\n" -" int numVertsInB = clippingFaces[pairIndex].w;\n" -" \n" -" int numVertsOut = 0;\n" -" \n" -" if (closestFaceA<0)\n" -" return numContactsOut;\n" -" \n" -" __global float4* pVtxIn = &worldVertsB1[pairIndex*capacityWorldVertsB2];\n" -" __global float4* pVtxOut = &worldVertsB2[pairIndex*capacityWorldVertsB2];\n" -" \n" -" \n" -" \n" -" // clip polygon to back of planes of all faces of hull A that are adjacent to witness face\n" -" \n" -" for(int e0=0;e0<numVertsInA;e0++)\n" -" {\n" -" const float4 aw = worldVertsA1[pairIndex*capacityWorldVertsB2+e0];\n" -" const float4 bw = worldVertsA1[pairIndex*capacityWorldVertsB2+((e0+1)%numVertsInA)];\n" -" const float4 WorldEdge0 = aw - bw;\n" -" float4 worldPlaneAnormal1 = worldNormalsA1[pairIndex];\n" -" float4 planeNormalWS1 = -cross3(WorldEdge0,worldPlaneAnormal1);\n" -" float4 worldA1 = aw;\n" -" float planeEqWS1 = -dot3F4(worldA1,planeNormalWS1);\n" -" float4 planeNormalWS = planeNormalWS1;\n" -" float planeEqWS=planeEqWS1;\n" -" numVertsOut = clipFaceGlobal(pVtxIn, numVertsInB, planeNormalWS,planeEqWS, pVtxOut);\n" -" __global float4* tmp = pVtxOut;\n" -" pVtxOut = pVtxIn;\n" -" pVtxIn = tmp;\n" -" numVertsInB = numVertsOut;\n" -" numVertsOut = 0;\n" -" }\n" -" \n" -" //float4 planeNormalWS = worldNormalsA1[pairIndex];\n" -" //float planeEqWS=-dot3F4(planeNormalWS,worldVertsA1[pairIndex*capacityWorldVertsB2]);\n" -" \n" -" /*for (int i=0;i<numVertsInB;i++)\n" -" {\n" -" pVtxOut[i] = pVtxIn[i];\n" -" }*/\n" -" \n" -" \n" -" \n" -" \n" -" //numVertsInB=0;\n" -" \n" -" float4 planeNormalWS = worldNormalsA1[pairIndex];\n" -" float planeEqWS=-dot3F4(planeNormalWS,worldVertsA1[pairIndex*capacityWorldVertsB2]);\n" -" for (int i=0;i<numVertsInB;i++)\n" -" {\n" -" float depth = dot3F4(planeNormalWS,pVtxIn[i])+planeEqWS;\n" -" if (depth <=minDist)\n" -" {\n" -" depth = minDist;\n" -" }\n" -" \n" -" if (depth <=maxDist)\n" -" {\n" -" float4 pointInWorld = pVtxIn[i];\n" -" pVtxOut[numContactsOut++] = make_float4(pointInWorld.x,pointInWorld.y,pointInWorld.z,depth);\n" -" }\n" -" }\n" -" \n" -" clippingFaces[pairIndex].w =numContactsOut;\n" -" \n" -" \n" -" return numContactsOut;\n" -"}\n" -"__kernel void findClippingFacesKernel( __global const int4* pairs,\n" -" __global const b3RigidBodyData_t* rigidBodies,\n" -" __global const b3Collidable_t* collidables,\n" -" __global const b3ConvexPolyhedronData_t* convexShapes,\n" -" __global const float4* vertices,\n" -" __global const float4* uniqueEdges,\n" -" __global const b3GpuFace_t* faces,\n" -" __global const int* indices,\n" -" __global const float4* separatingNormals,\n" -" __global const int* hasSeparatingAxis,\n" -" __global int4* clippingFacesOut,\n" -" __global float4* worldVertsA1,\n" -" __global float4* worldNormalsA1,\n" -" __global float4* worldVertsB1,\n" -" int capacityWorldVerts,\n" -" int numPairs\n" -" )\n" -"{\n" -" \n" -" int i = get_global_id(0);\n" -" int pairIndex = i;\n" -" \n" -" \n" -" float minDist = -1e30f;\n" -" float maxDist = 0.02f;\n" -" \n" -" if (i<numPairs)\n" -" {\n" -" \n" -" if (hasSeparatingAxis[i])\n" -" {\n" -" \n" -" int bodyIndexA = pairs[i].x;\n" -" int bodyIndexB = pairs[i].y;\n" -" \n" -" int collidableIndexA = rigidBodies[bodyIndexA].m_collidableIdx;\n" -" int collidableIndexB = rigidBodies[bodyIndexB].m_collidableIdx;\n" -" \n" -" int shapeIndexA = collidables[collidableIndexA].m_shapeIndex;\n" -" int shapeIndexB = collidables[collidableIndexB].m_shapeIndex;\n" -" \n" -" \n" -" \n" -" int numLocalContactsOut = findClippingFaces(separatingNormals[i],\n" -" &convexShapes[shapeIndexA], &convexShapes[shapeIndexB],\n" -" rigidBodies[bodyIndexA].m_pos,rigidBodies[bodyIndexA].m_quat,\n" -" rigidBodies[bodyIndexB].m_pos,rigidBodies[bodyIndexB].m_quat,\n" -" worldVertsA1,\n" -" worldNormalsA1,\n" -" worldVertsB1,capacityWorldVerts,\n" -" minDist, maxDist,\n" -" vertices,faces,indices,\n" -" clippingFacesOut,i);\n" -" \n" -" \n" -" }// if (hasSeparatingAxis[i])\n" -" }// if (i<numPairs)\n" -" \n" -"}\n" -"__kernel void clipFacesAndFindContactsKernel( __global const float4* separatingNormals,\n" -" __global const int* hasSeparatingAxis,\n" -" __global int4* clippingFacesOut,\n" -" __global float4* worldVertsA1,\n" -" __global float4* worldNormalsA1,\n" -" __global float4* worldVertsB1,\n" -" __global float4* worldVertsB2,\n" -" int vertexFaceCapacity,\n" -" int numPairs,\n" -" int debugMode\n" -" )\n" -"{\n" -" int i = get_global_id(0);\n" -" int pairIndex = i;\n" -" \n" -" \n" -" float minDist = -1e30f;\n" -" float maxDist = 0.02f;\n" -" \n" -" if (i<numPairs)\n" -" {\n" -" \n" -" if (hasSeparatingAxis[i])\n" -" {\n" -" \n" -"// int bodyIndexA = pairs[i].x;\n" -" // int bodyIndexB = pairs[i].y;\n" -" \n" -" int numLocalContactsOut = 0;\n" -" int capacityWorldVertsB2 = vertexFaceCapacity;\n" -" \n" -" __global float4* pVtxIn = &worldVertsB1[pairIndex*capacityWorldVertsB2];\n" -" __global float4* pVtxOut = &worldVertsB2[pairIndex*capacityWorldVertsB2];\n" -" \n" -" {\n" -" __global int4* clippingFaces = clippingFacesOut;\n" -" \n" -" \n" -" int closestFaceA = clippingFaces[pairIndex].x;\n" -" int closestFaceB = clippingFaces[pairIndex].y;\n" -" int numVertsInA = clippingFaces[pairIndex].z;\n" -" int numVertsInB = clippingFaces[pairIndex].w;\n" -" \n" -" int numVertsOut = 0;\n" -" \n" -" if (closestFaceA>=0)\n" -" {\n" -" \n" -" \n" -" \n" -" // clip polygon to back of planes of all faces of hull A that are adjacent to witness face\n" -" \n" -" for(int e0=0;e0<numVertsInA;e0++)\n" -" {\n" -" const float4 aw = worldVertsA1[pairIndex*capacityWorldVertsB2+e0];\n" -" const float4 bw = worldVertsA1[pairIndex*capacityWorldVertsB2+((e0+1)%numVertsInA)];\n" -" const float4 WorldEdge0 = aw - bw;\n" -" float4 worldPlaneAnormal1 = worldNormalsA1[pairIndex];\n" -" float4 planeNormalWS1 = -cross3(WorldEdge0,worldPlaneAnormal1);\n" -" float4 worldA1 = aw;\n" -" float planeEqWS1 = -dot3F4(worldA1,planeNormalWS1);\n" -" float4 planeNormalWS = planeNormalWS1;\n" -" float planeEqWS=planeEqWS1;\n" -" numVertsOut = clipFaceGlobal(pVtxIn, numVertsInB, planeNormalWS,planeEqWS, pVtxOut);\n" -" __global float4* tmp = pVtxOut;\n" -" pVtxOut = pVtxIn;\n" -" pVtxIn = tmp;\n" -" numVertsInB = numVertsOut;\n" -" numVertsOut = 0;\n" -" }\n" -" \n" -" float4 planeNormalWS = worldNormalsA1[pairIndex];\n" -" float planeEqWS=-dot3F4(planeNormalWS,worldVertsA1[pairIndex*capacityWorldVertsB2]);\n" -" \n" -" for (int i=0;i<numVertsInB;i++)\n" -" {\n" -" float depth = dot3F4(planeNormalWS,pVtxIn[i])+planeEqWS;\n" -" if (depth <=minDist)\n" -" {\n" -" depth = minDist;\n" -" }\n" -" \n" -" if (depth <=maxDist)\n" -" {\n" -" float4 pointInWorld = pVtxIn[i];\n" -" pVtxOut[numLocalContactsOut++] = make_float4(pointInWorld.x,pointInWorld.y,pointInWorld.z,depth);\n" -" }\n" -" }\n" -" \n" -" }\n" -" clippingFaces[pairIndex].w =numLocalContactsOut;\n" -" \n" -" }\n" -" \n" -" for (int i=0;i<numLocalContactsOut;i++)\n" -" pVtxIn[i] = pVtxOut[i];\n" -" \n" -" }// if (hasSeparatingAxis[i])\n" -" }// if (i<numPairs)\n" -" \n" -"}\n" -"__kernel void newContactReductionKernel( __global int4* pairs,\n" -" __global const b3RigidBodyData_t* rigidBodies,\n" -" __global const float4* separatingNormals,\n" -" __global const int* hasSeparatingAxis,\n" -" __global struct b3Contact4Data* globalContactsOut,\n" -" __global int4* clippingFaces,\n" -" __global float4* worldVertsB2,\n" -" volatile __global int* nGlobalContactsOut,\n" -" int vertexFaceCapacity,\n" -" int contactCapacity,\n" -" int numPairs\n" -" )\n" -"{\n" -" int i = get_global_id(0);\n" -" int pairIndex = i;\n" -" \n" -" int4 contactIdx;\n" -" contactIdx=make_int4(0,1,2,3);\n" -" \n" -" if (i<numPairs)\n" -" {\n" -" \n" -" if (hasSeparatingAxis[i])\n" -" {\n" -" \n" -" \n" -" \n" -" \n" -" int nPoints = clippingFaces[pairIndex].w;\n" -" \n" -" if (nPoints>0)\n" -" {\n" -" __global float4* pointsIn = &worldVertsB2[pairIndex*vertexFaceCapacity];\n" -" float4 normal = -separatingNormals[i];\n" -" \n" -" int nReducedContacts = extractManifoldSequentialGlobal(pointsIn, nPoints, normal, &contactIdx);\n" -" \n" -" int mprContactIndex = pairs[pairIndex].z;\n" -" int dstIdx = mprContactIndex;\n" -" if (dstIdx<0)\n" -" {\n" -" AppendInc( nGlobalContactsOut, dstIdx );\n" -" }\n" -"//#if 0\n" -" \n" -" if (dstIdx < contactCapacity)\n" -" {\n" -" __global struct b3Contact4Data* c = &globalContactsOut[dstIdx];\n" -" c->m_worldNormalOnB = -normal;\n" -" c->m_restituitionCoeffCmp = (0.f*0xffff);c->m_frictionCoeffCmp = (0.7f*0xffff);\n" -" c->m_batchIdx = pairIndex;\n" -" int bodyA = pairs[pairIndex].x;\n" -" int bodyB = pairs[pairIndex].y;\n" -" pairs[pairIndex].w = dstIdx;\n" -" c->m_bodyAPtrAndSignBit = rigidBodies[bodyA].m_invMass==0?-bodyA:bodyA;\n" -" c->m_bodyBPtrAndSignBit = rigidBodies[bodyB].m_invMass==0?-bodyB:bodyB;\n" -" c->m_childIndexA =-1;\n" -" c->m_childIndexB =-1;\n" -" switch (nReducedContacts)\n" -" {\n" -" case 4:\n" -" c->m_worldPosB[3] = pointsIn[contactIdx.w];\n" -" case 3:\n" -" c->m_worldPosB[2] = pointsIn[contactIdx.z];\n" -" case 2:\n" -" c->m_worldPosB[1] = pointsIn[contactIdx.y];\n" -" case 1:\n" -" if (mprContactIndex<0)//test\n" -" c->m_worldPosB[0] = pointsIn[contactIdx.x];\n" -" default:\n" -" {\n" -" }\n" -" };\n" -" \n" -" GET_NPOINTS(*c) = nReducedContacts;\n" -" \n" -" }\n" -" \n" -" \n" -"//#endif\n" -" \n" -" }// if (numContactsOut>0)\n" -" }// if (hasSeparatingAxis[i])\n" -" }// if (i<numPairs)\n" -" \n" -" \n" -"}\n" -; +static const char* satClipKernelsCL = + "#define TRIANGLE_NUM_CONVEX_FACES 5\n" + "#pragma OPENCL EXTENSION cl_amd_printf : enable\n" + "#pragma OPENCL EXTENSION cl_khr_local_int32_base_atomics : enable\n" + "#pragma OPENCL EXTENSION cl_khr_global_int32_base_atomics : enable\n" + "#pragma OPENCL EXTENSION cl_khr_local_int32_extended_atomics : enable\n" + "#pragma OPENCL EXTENSION cl_khr_global_int32_extended_atomics : enable\n" + "#ifdef cl_ext_atomic_counters_32\n" + "#pragma OPENCL EXTENSION cl_ext_atomic_counters_32 : enable\n" + "#else\n" + "#define counter32_t volatile __global int*\n" + "#endif\n" + "#define GET_GROUP_IDX get_group_id(0)\n" + "#define GET_LOCAL_IDX get_local_id(0)\n" + "#define GET_GLOBAL_IDX get_global_id(0)\n" + "#define GET_GROUP_SIZE get_local_size(0)\n" + "#define GET_NUM_GROUPS get_num_groups(0)\n" + "#define GROUP_LDS_BARRIER barrier(CLK_LOCAL_MEM_FENCE)\n" + "#define GROUP_MEM_FENCE mem_fence(CLK_LOCAL_MEM_FENCE)\n" + "#define AtomInc(x) atom_inc(&(x))\n" + "#define AtomInc1(x, out) out = atom_inc(&(x))\n" + "#define AppendInc(x, out) out = atomic_inc(x)\n" + "#define AtomAdd(x, value) atom_add(&(x), value)\n" + "#define AtomCmpxhg(x, cmp, value) atom_cmpxchg( &(x), cmp, value )\n" + "#define AtomXhg(x, value) atom_xchg ( &(x), value )\n" + "#define max2 max\n" + "#define min2 min\n" + "typedef unsigned int u32;\n" + "#ifndef B3_CONTACT4DATA_H\n" + "#define B3_CONTACT4DATA_H\n" + "#ifndef B3_FLOAT4_H\n" + "#define B3_FLOAT4_H\n" + "#ifndef B3_PLATFORM_DEFINITIONS_H\n" + "#define B3_PLATFORM_DEFINITIONS_H\n" + "struct MyTest\n" + "{\n" + " int bla;\n" + "};\n" + "#ifdef __cplusplus\n" + "#else\n" + "//keep B3_LARGE_FLOAT*B3_LARGE_FLOAT < FLT_MAX\n" + "#define B3_LARGE_FLOAT 1e18f\n" + "#define B3_INFINITY 1e18f\n" + "#define b3Assert(a)\n" + "#define b3ConstArray(a) __global const a*\n" + "#define b3AtomicInc atomic_inc\n" + "#define b3AtomicAdd atomic_add\n" + "#define b3Fabs fabs\n" + "#define b3Sqrt native_sqrt\n" + "#define b3Sin native_sin\n" + "#define b3Cos native_cos\n" + "#define B3_STATIC\n" + "#endif\n" + "#endif\n" + "#ifdef __cplusplus\n" + "#else\n" + " typedef float4 b3Float4;\n" + " #define b3Float4ConstArg const b3Float4\n" + " #define b3MakeFloat4 (float4)\n" + " float b3Dot3F4(b3Float4ConstArg v0,b3Float4ConstArg v1)\n" + " {\n" + " float4 a1 = b3MakeFloat4(v0.xyz,0.f);\n" + " float4 b1 = b3MakeFloat4(v1.xyz,0.f);\n" + " return dot(a1, b1);\n" + " }\n" + " b3Float4 b3Cross3(b3Float4ConstArg v0,b3Float4ConstArg v1)\n" + " {\n" + " float4 a1 = b3MakeFloat4(v0.xyz,0.f);\n" + " float4 b1 = b3MakeFloat4(v1.xyz,0.f);\n" + " return cross(a1, b1);\n" + " }\n" + " #define b3MinFloat4 min\n" + " #define b3MaxFloat4 max\n" + " #define b3Normalized(a) normalize(a)\n" + "#endif \n" + " \n" + "inline bool b3IsAlmostZero(b3Float4ConstArg v)\n" + "{\n" + " if(b3Fabs(v.x)>1e-6 || b3Fabs(v.y)>1e-6 || b3Fabs(v.z)>1e-6) \n" + " return false;\n" + " return true;\n" + "}\n" + "inline int b3MaxDot( b3Float4ConstArg vec, __global const b3Float4* vecArray, int vecLen, float* dotOut )\n" + "{\n" + " float maxDot = -B3_INFINITY;\n" + " int i = 0;\n" + " int ptIndex = -1;\n" + " for( i = 0; i < vecLen; i++ )\n" + " {\n" + " float dot = b3Dot3F4(vecArray[i],vec);\n" + " \n" + " if( dot > maxDot )\n" + " {\n" + " maxDot = dot;\n" + " ptIndex = i;\n" + " }\n" + " }\n" + " b3Assert(ptIndex>=0);\n" + " if (ptIndex<0)\n" + " {\n" + " ptIndex = 0;\n" + " }\n" + " *dotOut = maxDot;\n" + " return ptIndex;\n" + "}\n" + "#endif //B3_FLOAT4_H\n" + "typedef struct b3Contact4Data b3Contact4Data_t;\n" + "struct b3Contact4Data\n" + "{\n" + " b3Float4 m_worldPosB[4];\n" + "// b3Float4 m_localPosA[4];\n" + "// b3Float4 m_localPosB[4];\n" + " b3Float4 m_worldNormalOnB; // w: m_nPoints\n" + " unsigned short m_restituitionCoeffCmp;\n" + " unsigned short m_frictionCoeffCmp;\n" + " int m_batchIdx;\n" + " int m_bodyAPtrAndSignBit;//x:m_bodyAPtr, y:m_bodyBPtr\n" + " int m_bodyBPtrAndSignBit;\n" + " int m_childIndexA;\n" + " int m_childIndexB;\n" + " int m_unused1;\n" + " int m_unused2;\n" + "};\n" + "inline int b3Contact4Data_getNumPoints(const struct b3Contact4Data* contact)\n" + "{\n" + " return (int)contact->m_worldNormalOnB.w;\n" + "};\n" + "inline void b3Contact4Data_setNumPoints(struct b3Contact4Data* contact, int numPoints)\n" + "{\n" + " contact->m_worldNormalOnB.w = (float)numPoints;\n" + "};\n" + "#endif //B3_CONTACT4DATA_H\n" + "#ifndef B3_CONVEX_POLYHEDRON_DATA_H\n" + "#define B3_CONVEX_POLYHEDRON_DATA_H\n" + "#ifndef B3_FLOAT4_H\n" + "#ifdef __cplusplus\n" + "#else\n" + "#endif \n" + "#endif //B3_FLOAT4_H\n" + "#ifndef B3_QUAT_H\n" + "#define B3_QUAT_H\n" + "#ifndef B3_PLATFORM_DEFINITIONS_H\n" + "#ifdef __cplusplus\n" + "#else\n" + "#endif\n" + "#endif\n" + "#ifndef B3_FLOAT4_H\n" + "#ifdef __cplusplus\n" + "#else\n" + "#endif \n" + "#endif //B3_FLOAT4_H\n" + "#ifdef __cplusplus\n" + "#else\n" + " typedef float4 b3Quat;\n" + " #define b3QuatConstArg const b3Quat\n" + " \n" + " \n" + "inline float4 b3FastNormalize4(float4 v)\n" + "{\n" + " v = (float4)(v.xyz,0.f);\n" + " return fast_normalize(v);\n" + "}\n" + " \n" + "inline b3Quat b3QuatMul(b3Quat a, b3Quat b);\n" + "inline b3Quat b3QuatNormalized(b3QuatConstArg in);\n" + "inline b3Quat b3QuatRotate(b3QuatConstArg q, b3QuatConstArg vec);\n" + "inline b3Quat b3QuatInvert(b3QuatConstArg q);\n" + "inline b3Quat b3QuatInverse(b3QuatConstArg q);\n" + "inline b3Quat b3QuatMul(b3QuatConstArg a, b3QuatConstArg b)\n" + "{\n" + " b3Quat ans;\n" + " ans = b3Cross3( a, b );\n" + " ans += a.w*b+b.w*a;\n" + "// ans.w = a.w*b.w - (a.x*b.x+a.y*b.y+a.z*b.z);\n" + " ans.w = a.w*b.w - b3Dot3F4(a, b);\n" + " return ans;\n" + "}\n" + "inline b3Quat b3QuatNormalized(b3QuatConstArg in)\n" + "{\n" + " b3Quat q;\n" + " q=in;\n" + " //return b3FastNormalize4(in);\n" + " float len = native_sqrt(dot(q, q));\n" + " if(len > 0.f)\n" + " {\n" + " q *= 1.f / len;\n" + " }\n" + " else\n" + " {\n" + " q.x = q.y = q.z = 0.f;\n" + " q.w = 1.f;\n" + " }\n" + " return q;\n" + "}\n" + "inline float4 b3QuatRotate(b3QuatConstArg q, b3QuatConstArg vec)\n" + "{\n" + " b3Quat qInv = b3QuatInvert( q );\n" + " float4 vcpy = vec;\n" + " vcpy.w = 0.f;\n" + " float4 out = b3QuatMul(b3QuatMul(q,vcpy),qInv);\n" + " return out;\n" + "}\n" + "inline b3Quat b3QuatInverse(b3QuatConstArg q)\n" + "{\n" + " return (b3Quat)(-q.xyz, q.w);\n" + "}\n" + "inline b3Quat b3QuatInvert(b3QuatConstArg q)\n" + "{\n" + " return (b3Quat)(-q.xyz, q.w);\n" + "}\n" + "inline float4 b3QuatInvRotate(b3QuatConstArg q, b3QuatConstArg vec)\n" + "{\n" + " return b3QuatRotate( b3QuatInvert( q ), vec );\n" + "}\n" + "inline b3Float4 b3TransformPoint(b3Float4ConstArg point, b3Float4ConstArg translation, b3QuatConstArg orientation)\n" + "{\n" + " return b3QuatRotate( orientation, point ) + (translation);\n" + "}\n" + " \n" + "#endif \n" + "#endif //B3_QUAT_H\n" + "typedef struct b3GpuFace b3GpuFace_t;\n" + "struct b3GpuFace\n" + "{\n" + " b3Float4 m_plane;\n" + " int m_indexOffset;\n" + " int m_numIndices;\n" + " int m_unusedPadding1;\n" + " int m_unusedPadding2;\n" + "};\n" + "typedef struct b3ConvexPolyhedronData b3ConvexPolyhedronData_t;\n" + "struct b3ConvexPolyhedronData\n" + "{\n" + " b3Float4 m_localCenter;\n" + " b3Float4 m_extents;\n" + " b3Float4 mC;\n" + " b3Float4 mE;\n" + " float m_radius;\n" + " int m_faceOffset;\n" + " int m_numFaces;\n" + " int m_numVertices;\n" + " int m_vertexOffset;\n" + " int m_uniqueEdgesOffset;\n" + " int m_numUniqueEdges;\n" + " int m_unused;\n" + "};\n" + "#endif //B3_CONVEX_POLYHEDRON_DATA_H\n" + "#ifndef B3_COLLIDABLE_H\n" + "#define B3_COLLIDABLE_H\n" + "#ifndef B3_FLOAT4_H\n" + "#ifdef __cplusplus\n" + "#else\n" + "#endif \n" + "#endif //B3_FLOAT4_H\n" + "#ifndef B3_QUAT_H\n" + "#ifdef __cplusplus\n" + "#else\n" + "#endif \n" + "#endif //B3_QUAT_H\n" + "enum b3ShapeTypes\n" + "{\n" + " SHAPE_HEIGHT_FIELD=1,\n" + " SHAPE_CONVEX_HULL=3,\n" + " SHAPE_PLANE=4,\n" + " SHAPE_CONCAVE_TRIMESH=5,\n" + " SHAPE_COMPOUND_OF_CONVEX_HULLS=6,\n" + " SHAPE_SPHERE=7,\n" + " MAX_NUM_SHAPE_TYPES,\n" + "};\n" + "typedef struct b3Collidable b3Collidable_t;\n" + "struct b3Collidable\n" + "{\n" + " union {\n" + " int m_numChildShapes;\n" + " int m_bvhIndex;\n" + " };\n" + " union\n" + " {\n" + " float m_radius;\n" + " int m_compoundBvhIndex;\n" + " };\n" + " int m_shapeType;\n" + " int m_shapeIndex;\n" + "};\n" + "typedef struct b3GpuChildShape b3GpuChildShape_t;\n" + "struct b3GpuChildShape\n" + "{\n" + " b3Float4 m_childPosition;\n" + " b3Quat m_childOrientation;\n" + " int m_shapeIndex;\n" + " int m_unused0;\n" + " int m_unused1;\n" + " int m_unused2;\n" + "};\n" + "struct b3CompoundOverlappingPair\n" + "{\n" + " int m_bodyIndexA;\n" + " int m_bodyIndexB;\n" + "// int m_pairType;\n" + " int m_childShapeIndexA;\n" + " int m_childShapeIndexB;\n" + "};\n" + "#endif //B3_COLLIDABLE_H\n" + "#ifndef B3_RIGIDBODY_DATA_H\n" + "#define B3_RIGIDBODY_DATA_H\n" + "#ifndef B3_FLOAT4_H\n" + "#ifdef __cplusplus\n" + "#else\n" + "#endif \n" + "#endif //B3_FLOAT4_H\n" + "#ifndef B3_QUAT_H\n" + "#ifdef __cplusplus\n" + "#else\n" + "#endif \n" + "#endif //B3_QUAT_H\n" + "#ifndef B3_MAT3x3_H\n" + "#define B3_MAT3x3_H\n" + "#ifndef B3_QUAT_H\n" + "#ifdef __cplusplus\n" + "#else\n" + "#endif \n" + "#endif //B3_QUAT_H\n" + "#ifdef __cplusplus\n" + "#else\n" + "typedef struct\n" + "{\n" + " b3Float4 m_row[3];\n" + "}b3Mat3x3;\n" + "#define b3Mat3x3ConstArg const b3Mat3x3\n" + "#define b3GetRow(m,row) (m.m_row[row])\n" + "inline b3Mat3x3 b3QuatGetRotationMatrix(b3Quat quat)\n" + "{\n" + " b3Float4 quat2 = (b3Float4)(quat.x*quat.x, quat.y*quat.y, quat.z*quat.z, 0.f);\n" + " b3Mat3x3 out;\n" + " out.m_row[0].x=1-2*quat2.y-2*quat2.z;\n" + " out.m_row[0].y=2*quat.x*quat.y-2*quat.w*quat.z;\n" + " out.m_row[0].z=2*quat.x*quat.z+2*quat.w*quat.y;\n" + " out.m_row[0].w = 0.f;\n" + " out.m_row[1].x=2*quat.x*quat.y+2*quat.w*quat.z;\n" + " out.m_row[1].y=1-2*quat2.x-2*quat2.z;\n" + " out.m_row[1].z=2*quat.y*quat.z-2*quat.w*quat.x;\n" + " out.m_row[1].w = 0.f;\n" + " out.m_row[2].x=2*quat.x*quat.z-2*quat.w*quat.y;\n" + " out.m_row[2].y=2*quat.y*quat.z+2*quat.w*quat.x;\n" + " out.m_row[2].z=1-2*quat2.x-2*quat2.y;\n" + " out.m_row[2].w = 0.f;\n" + " return out;\n" + "}\n" + "inline b3Mat3x3 b3AbsoluteMat3x3(b3Mat3x3ConstArg matIn)\n" + "{\n" + " b3Mat3x3 out;\n" + " out.m_row[0] = fabs(matIn.m_row[0]);\n" + " out.m_row[1] = fabs(matIn.m_row[1]);\n" + " out.m_row[2] = fabs(matIn.m_row[2]);\n" + " return out;\n" + "}\n" + "__inline\n" + "b3Mat3x3 mtZero();\n" + "__inline\n" + "b3Mat3x3 mtIdentity();\n" + "__inline\n" + "b3Mat3x3 mtTranspose(b3Mat3x3 m);\n" + "__inline\n" + "b3Mat3x3 mtMul(b3Mat3x3 a, b3Mat3x3 b);\n" + "__inline\n" + "b3Float4 mtMul1(b3Mat3x3 a, b3Float4 b);\n" + "__inline\n" + "b3Float4 mtMul3(b3Float4 a, b3Mat3x3 b);\n" + "__inline\n" + "b3Mat3x3 mtZero()\n" + "{\n" + " b3Mat3x3 m;\n" + " m.m_row[0] = (b3Float4)(0.f);\n" + " m.m_row[1] = (b3Float4)(0.f);\n" + " m.m_row[2] = (b3Float4)(0.f);\n" + " return m;\n" + "}\n" + "__inline\n" + "b3Mat3x3 mtIdentity()\n" + "{\n" + " b3Mat3x3 m;\n" + " m.m_row[0] = (b3Float4)(1,0,0,0);\n" + " m.m_row[1] = (b3Float4)(0,1,0,0);\n" + " m.m_row[2] = (b3Float4)(0,0,1,0);\n" + " return m;\n" + "}\n" + "__inline\n" + "b3Mat3x3 mtTranspose(b3Mat3x3 m)\n" + "{\n" + " b3Mat3x3 out;\n" + " out.m_row[0] = (b3Float4)(m.m_row[0].x, m.m_row[1].x, m.m_row[2].x, 0.f);\n" + " out.m_row[1] = (b3Float4)(m.m_row[0].y, m.m_row[1].y, m.m_row[2].y, 0.f);\n" + " out.m_row[2] = (b3Float4)(m.m_row[0].z, m.m_row[1].z, m.m_row[2].z, 0.f);\n" + " return out;\n" + "}\n" + "__inline\n" + "b3Mat3x3 mtMul(b3Mat3x3 a, b3Mat3x3 b)\n" + "{\n" + " b3Mat3x3 transB;\n" + " transB = mtTranspose( b );\n" + " b3Mat3x3 ans;\n" + " // why this doesn't run when 0ing in the for{}\n" + " a.m_row[0].w = 0.f;\n" + " a.m_row[1].w = 0.f;\n" + " a.m_row[2].w = 0.f;\n" + " for(int i=0; i<3; i++)\n" + " {\n" + "// a.m_row[i].w = 0.f;\n" + " ans.m_row[i].x = b3Dot3F4(a.m_row[i],transB.m_row[0]);\n" + " ans.m_row[i].y = b3Dot3F4(a.m_row[i],transB.m_row[1]);\n" + " ans.m_row[i].z = b3Dot3F4(a.m_row[i],transB.m_row[2]);\n" + " ans.m_row[i].w = 0.f;\n" + " }\n" + " return ans;\n" + "}\n" + "__inline\n" + "b3Float4 mtMul1(b3Mat3x3 a, b3Float4 b)\n" + "{\n" + " b3Float4 ans;\n" + " ans.x = b3Dot3F4( a.m_row[0], b );\n" + " ans.y = b3Dot3F4( a.m_row[1], b );\n" + " ans.z = b3Dot3F4( a.m_row[2], b );\n" + " ans.w = 0.f;\n" + " return ans;\n" + "}\n" + "__inline\n" + "b3Float4 mtMul3(b3Float4 a, b3Mat3x3 b)\n" + "{\n" + " b3Float4 colx = b3MakeFloat4(b.m_row[0].x, b.m_row[1].x, b.m_row[2].x, 0);\n" + " b3Float4 coly = b3MakeFloat4(b.m_row[0].y, b.m_row[1].y, b.m_row[2].y, 0);\n" + " b3Float4 colz = b3MakeFloat4(b.m_row[0].z, b.m_row[1].z, b.m_row[2].z, 0);\n" + " b3Float4 ans;\n" + " ans.x = b3Dot3F4( a, colx );\n" + " ans.y = b3Dot3F4( a, coly );\n" + " ans.z = b3Dot3F4( a, colz );\n" + " return ans;\n" + "}\n" + "#endif\n" + "#endif //B3_MAT3x3_H\n" + "typedef struct b3RigidBodyData b3RigidBodyData_t;\n" + "struct b3RigidBodyData\n" + "{\n" + " b3Float4 m_pos;\n" + " b3Quat m_quat;\n" + " b3Float4 m_linVel;\n" + " b3Float4 m_angVel;\n" + " int m_collidableIdx;\n" + " float m_invMass;\n" + " float m_restituitionCoeff;\n" + " float m_frictionCoeff;\n" + "};\n" + "typedef struct b3InertiaData b3InertiaData_t;\n" + "struct b3InertiaData\n" + "{\n" + " b3Mat3x3 m_invInertiaWorld;\n" + " b3Mat3x3 m_initInvInertia;\n" + "};\n" + "#endif //B3_RIGIDBODY_DATA_H\n" + " \n" + "#define GET_NPOINTS(x) (x).m_worldNormalOnB.w\n" + "#define SELECT_UINT4( b, a, condition ) select( b,a,condition )\n" + "#define make_float4 (float4)\n" + "#define make_float2 (float2)\n" + "#define make_uint4 (uint4)\n" + "#define make_int4 (int4)\n" + "#define make_uint2 (uint2)\n" + "#define make_int2 (int2)\n" + "__inline\n" + "float fastDiv(float numerator, float denominator)\n" + "{\n" + " return native_divide(numerator, denominator); \n" + "// return numerator/denominator; \n" + "}\n" + "__inline\n" + "float4 fastDiv4(float4 numerator, float4 denominator)\n" + "{\n" + " return native_divide(numerator, denominator); \n" + "}\n" + "__inline\n" + "float4 cross3(float4 a, float4 b)\n" + "{\n" + " return cross(a,b);\n" + "}\n" + "//#define dot3F4 dot\n" + "__inline\n" + "float dot3F4(float4 a, float4 b)\n" + "{\n" + " float4 a1 = make_float4(a.xyz,0.f);\n" + " float4 b1 = make_float4(b.xyz,0.f);\n" + " return dot(a1, b1);\n" + "}\n" + "__inline\n" + "float4 fastNormalize4(float4 v)\n" + "{\n" + " return fast_normalize(v);\n" + "}\n" + "///////////////////////////////////////\n" + "// Quaternion\n" + "///////////////////////////////////////\n" + "typedef float4 Quaternion;\n" + "__inline\n" + "Quaternion qtMul(Quaternion a, Quaternion b);\n" + "__inline\n" + "Quaternion qtNormalize(Quaternion in);\n" + "__inline\n" + "float4 qtRotate(Quaternion q, float4 vec);\n" + "__inline\n" + "Quaternion qtInvert(Quaternion q);\n" + "__inline\n" + "Quaternion qtMul(Quaternion a, Quaternion b)\n" + "{\n" + " Quaternion ans;\n" + " ans = cross3( a, b );\n" + " ans += a.w*b+b.w*a;\n" + "// ans.w = a.w*b.w - (a.x*b.x+a.y*b.y+a.z*b.z);\n" + " ans.w = a.w*b.w - dot3F4(a, b);\n" + " return ans;\n" + "}\n" + "__inline\n" + "Quaternion qtNormalize(Quaternion in)\n" + "{\n" + " return fastNormalize4(in);\n" + "// in /= length( in );\n" + "// return in;\n" + "}\n" + "__inline\n" + "float4 qtRotate(Quaternion q, float4 vec)\n" + "{\n" + " Quaternion qInv = qtInvert( q );\n" + " float4 vcpy = vec;\n" + " vcpy.w = 0.f;\n" + " float4 out = qtMul(qtMul(q,vcpy),qInv);\n" + " return out;\n" + "}\n" + "__inline\n" + "Quaternion qtInvert(Quaternion q)\n" + "{\n" + " return (Quaternion)(-q.xyz, q.w);\n" + "}\n" + "__inline\n" + "float4 qtInvRotate(const Quaternion q, float4 vec)\n" + "{\n" + " return qtRotate( qtInvert( q ), vec );\n" + "}\n" + "__inline\n" + "float4 transform(const float4* p, const float4* translation, const Quaternion* orientation)\n" + "{\n" + " return qtRotate( *orientation, *p ) + (*translation);\n" + "}\n" + "__inline\n" + "float4 normalize3(const float4 a)\n" + "{\n" + " float4 n = make_float4(a.x, a.y, a.z, 0.f);\n" + " return fastNormalize4( n );\n" + "}\n" + "__inline float4 lerp3(const float4 a,const float4 b, float t)\n" + "{\n" + " return make_float4( a.x + (b.x - a.x) * t,\n" + " a.y + (b.y - a.y) * t,\n" + " a.z + (b.z - a.z) * t,\n" + " 0.f);\n" + "}\n" + "// Clips a face to the back of a plane, return the number of vertices out, stored in ppVtxOut\n" + "int clipFaceGlobal(__global const float4* pVtxIn, int numVertsIn, float4 planeNormalWS,float planeEqWS, __global float4* ppVtxOut)\n" + "{\n" + " \n" + " int ve;\n" + " float ds, de;\n" + " int numVertsOut = 0;\n" + " //double-check next test\n" + " if (numVertsIn < 2)\n" + " return 0;\n" + " \n" + " float4 firstVertex=pVtxIn[numVertsIn-1];\n" + " float4 endVertex = pVtxIn[0];\n" + " \n" + " ds = dot3F4(planeNormalWS,firstVertex)+planeEqWS;\n" + " \n" + " for (ve = 0; ve < numVertsIn; ve++)\n" + " {\n" + " endVertex=pVtxIn[ve];\n" + " de = dot3F4(planeNormalWS,endVertex)+planeEqWS;\n" + " if (ds<0)\n" + " {\n" + " if (de<0)\n" + " {\n" + " // Start < 0, end < 0, so output endVertex\n" + " ppVtxOut[numVertsOut++] = endVertex;\n" + " }\n" + " else\n" + " {\n" + " // Start < 0, end >= 0, so output intersection\n" + " ppVtxOut[numVertsOut++] = lerp3(firstVertex, endVertex,(ds * 1.f/(ds - de)) );\n" + " }\n" + " }\n" + " else\n" + " {\n" + " if (de<0)\n" + " {\n" + " // Start >= 0, end < 0 so output intersection and end\n" + " ppVtxOut[numVertsOut++] = lerp3(firstVertex, endVertex,(ds * 1.f/(ds - de)) );\n" + " ppVtxOut[numVertsOut++] = endVertex;\n" + " }\n" + " }\n" + " firstVertex = endVertex;\n" + " ds = de;\n" + " }\n" + " return numVertsOut;\n" + "}\n" + "// Clips a face to the back of a plane, return the number of vertices out, stored in ppVtxOut\n" + "int clipFace(const float4* pVtxIn, int numVertsIn, float4 planeNormalWS,float planeEqWS, float4* ppVtxOut)\n" + "{\n" + " \n" + " int ve;\n" + " float ds, de;\n" + " int numVertsOut = 0;\n" + "//double-check next test\n" + " if (numVertsIn < 2)\n" + " return 0;\n" + " float4 firstVertex=pVtxIn[numVertsIn-1];\n" + " float4 endVertex = pVtxIn[0];\n" + " \n" + " ds = dot3F4(planeNormalWS,firstVertex)+planeEqWS;\n" + " for (ve = 0; ve < numVertsIn; ve++)\n" + " {\n" + " endVertex=pVtxIn[ve];\n" + " de = dot3F4(planeNormalWS,endVertex)+planeEqWS;\n" + " if (ds<0)\n" + " {\n" + " if (de<0)\n" + " {\n" + " // Start < 0, end < 0, so output endVertex\n" + " ppVtxOut[numVertsOut++] = endVertex;\n" + " }\n" + " else\n" + " {\n" + " // Start < 0, end >= 0, so output intersection\n" + " ppVtxOut[numVertsOut++] = lerp3(firstVertex, endVertex,(ds * 1.f/(ds - de)) );\n" + " }\n" + " }\n" + " else\n" + " {\n" + " if (de<0)\n" + " {\n" + " // Start >= 0, end < 0 so output intersection and end\n" + " ppVtxOut[numVertsOut++] = lerp3(firstVertex, endVertex,(ds * 1.f/(ds - de)) );\n" + " ppVtxOut[numVertsOut++] = endVertex;\n" + " }\n" + " }\n" + " firstVertex = endVertex;\n" + " ds = de;\n" + " }\n" + " return numVertsOut;\n" + "}\n" + "int clipFaceAgainstHull(const float4 separatingNormal, __global const b3ConvexPolyhedronData_t* hullA, \n" + " const float4 posA, const Quaternion ornA, float4* worldVertsB1, int numWorldVertsB1,\n" + " float4* worldVertsB2, int capacityWorldVertsB2,\n" + " const float minDist, float maxDist,\n" + " __global const float4* vertices,\n" + " __global const b3GpuFace_t* faces,\n" + " __global const int* indices,\n" + " float4* contactsOut,\n" + " int contactCapacity)\n" + "{\n" + " int numContactsOut = 0;\n" + " float4* pVtxIn = worldVertsB1;\n" + " float4* pVtxOut = worldVertsB2;\n" + " \n" + " int numVertsIn = numWorldVertsB1;\n" + " int numVertsOut = 0;\n" + " int closestFaceA=-1;\n" + " {\n" + " float dmin = FLT_MAX;\n" + " for(int face=0;face<hullA->m_numFaces;face++)\n" + " {\n" + " const float4 Normal = make_float4(\n" + " faces[hullA->m_faceOffset+face].m_plane.x, \n" + " faces[hullA->m_faceOffset+face].m_plane.y, \n" + " faces[hullA->m_faceOffset+face].m_plane.z,0.f);\n" + " const float4 faceANormalWS = qtRotate(ornA,Normal);\n" + " \n" + " float d = dot3F4(faceANormalWS,separatingNormal);\n" + " if (d < dmin)\n" + " {\n" + " dmin = d;\n" + " closestFaceA = face;\n" + " }\n" + " }\n" + " }\n" + " if (closestFaceA<0)\n" + " return numContactsOut;\n" + " b3GpuFace_t polyA = faces[hullA->m_faceOffset+closestFaceA];\n" + " // clip polygon to back of planes of all faces of hull A that are adjacent to witness face\n" + " int numVerticesA = polyA.m_numIndices;\n" + " for(int e0=0;e0<numVerticesA;e0++)\n" + " {\n" + " const float4 a = vertices[hullA->m_vertexOffset+indices[polyA.m_indexOffset+e0]];\n" + " const float4 b = vertices[hullA->m_vertexOffset+indices[polyA.m_indexOffset+((e0+1)%numVerticesA)]];\n" + " const float4 edge0 = a - b;\n" + " const float4 WorldEdge0 = qtRotate(ornA,edge0);\n" + " float4 planeNormalA = make_float4(polyA.m_plane.x,polyA.m_plane.y,polyA.m_plane.z,0.f);\n" + " float4 worldPlaneAnormal1 = qtRotate(ornA,planeNormalA);\n" + " float4 planeNormalWS1 = -cross3(WorldEdge0,worldPlaneAnormal1);\n" + " float4 worldA1 = transform(&a,&posA,&ornA);\n" + " float planeEqWS1 = -dot3F4(worldA1,planeNormalWS1);\n" + " \n" + " float4 planeNormalWS = planeNormalWS1;\n" + " float planeEqWS=planeEqWS1;\n" + " \n" + " //clip face\n" + " //clipFace(*pVtxIn, *pVtxOut,planeNormalWS,planeEqWS);\n" + " numVertsOut = clipFace(pVtxIn, numVertsIn, planeNormalWS,planeEqWS, pVtxOut);\n" + " //btSwap(pVtxIn,pVtxOut);\n" + " float4* tmp = pVtxOut;\n" + " pVtxOut = pVtxIn;\n" + " pVtxIn = tmp;\n" + " numVertsIn = numVertsOut;\n" + " numVertsOut = 0;\n" + " }\n" + " \n" + " // only keep points that are behind the witness face\n" + " {\n" + " float4 localPlaneNormal = make_float4(polyA.m_plane.x,polyA.m_plane.y,polyA.m_plane.z,0.f);\n" + " float localPlaneEq = polyA.m_plane.w;\n" + " float4 planeNormalWS = qtRotate(ornA,localPlaneNormal);\n" + " float planeEqWS=localPlaneEq-dot3F4(planeNormalWS,posA);\n" + " for (int i=0;i<numVertsIn;i++)\n" + " {\n" + " float depth = dot3F4(planeNormalWS,pVtxIn[i])+planeEqWS;\n" + " if (depth <=minDist)\n" + " {\n" + " depth = minDist;\n" + " }\n" + " if (depth <=maxDist)\n" + " {\n" + " float4 pointInWorld = pVtxIn[i];\n" + " //resultOut.addContactPoint(separatingNormal,point,depth);\n" + " contactsOut[numContactsOut++] = make_float4(pointInWorld.x,pointInWorld.y,pointInWorld.z,depth);\n" + " }\n" + " }\n" + " }\n" + " return numContactsOut;\n" + "}\n" + "int clipFaceAgainstHullLocalA(const float4 separatingNormal, const b3ConvexPolyhedronData_t* hullA, \n" + " const float4 posA, const Quaternion ornA, float4* worldVertsB1, int numWorldVertsB1,\n" + " float4* worldVertsB2, int capacityWorldVertsB2,\n" + " const float minDist, float maxDist,\n" + " const float4* verticesA,\n" + " const b3GpuFace_t* facesA,\n" + " const int* indicesA,\n" + " __global const float4* verticesB,\n" + " __global const b3GpuFace_t* facesB,\n" + " __global const int* indicesB,\n" + " float4* contactsOut,\n" + " int contactCapacity)\n" + "{\n" + " int numContactsOut = 0;\n" + " float4* pVtxIn = worldVertsB1;\n" + " float4* pVtxOut = worldVertsB2;\n" + " \n" + " int numVertsIn = numWorldVertsB1;\n" + " int numVertsOut = 0;\n" + " int closestFaceA=-1;\n" + " {\n" + " float dmin = FLT_MAX;\n" + " for(int face=0;face<hullA->m_numFaces;face++)\n" + " {\n" + " const float4 Normal = make_float4(\n" + " facesA[hullA->m_faceOffset+face].m_plane.x, \n" + " facesA[hullA->m_faceOffset+face].m_plane.y, \n" + " facesA[hullA->m_faceOffset+face].m_plane.z,0.f);\n" + " const float4 faceANormalWS = qtRotate(ornA,Normal);\n" + " \n" + " float d = dot3F4(faceANormalWS,separatingNormal);\n" + " if (d < dmin)\n" + " {\n" + " dmin = d;\n" + " closestFaceA = face;\n" + " }\n" + " }\n" + " }\n" + " if (closestFaceA<0)\n" + " return numContactsOut;\n" + " b3GpuFace_t polyA = facesA[hullA->m_faceOffset+closestFaceA];\n" + " // clip polygon to back of planes of all faces of hull A that are adjacent to witness face\n" + " int numVerticesA = polyA.m_numIndices;\n" + " for(int e0=0;e0<numVerticesA;e0++)\n" + " {\n" + " const float4 a = verticesA[hullA->m_vertexOffset+indicesA[polyA.m_indexOffset+e0]];\n" + " const float4 b = verticesA[hullA->m_vertexOffset+indicesA[polyA.m_indexOffset+((e0+1)%numVerticesA)]];\n" + " const float4 edge0 = a - b;\n" + " const float4 WorldEdge0 = qtRotate(ornA,edge0);\n" + " float4 planeNormalA = make_float4(polyA.m_plane.x,polyA.m_plane.y,polyA.m_plane.z,0.f);\n" + " float4 worldPlaneAnormal1 = qtRotate(ornA,planeNormalA);\n" + " float4 planeNormalWS1 = -cross3(WorldEdge0,worldPlaneAnormal1);\n" + " float4 worldA1 = transform(&a,&posA,&ornA);\n" + " float planeEqWS1 = -dot3F4(worldA1,planeNormalWS1);\n" + " \n" + " float4 planeNormalWS = planeNormalWS1;\n" + " float planeEqWS=planeEqWS1;\n" + " \n" + " //clip face\n" + " //clipFace(*pVtxIn, *pVtxOut,planeNormalWS,planeEqWS);\n" + " numVertsOut = clipFace(pVtxIn, numVertsIn, planeNormalWS,planeEqWS, pVtxOut);\n" + " //btSwap(pVtxIn,pVtxOut);\n" + " float4* tmp = pVtxOut;\n" + " pVtxOut = pVtxIn;\n" + " pVtxIn = tmp;\n" + " numVertsIn = numVertsOut;\n" + " numVertsOut = 0;\n" + " }\n" + " \n" + " // only keep points that are behind the witness face\n" + " {\n" + " float4 localPlaneNormal = make_float4(polyA.m_plane.x,polyA.m_plane.y,polyA.m_plane.z,0.f);\n" + " float localPlaneEq = polyA.m_plane.w;\n" + " float4 planeNormalWS = qtRotate(ornA,localPlaneNormal);\n" + " float planeEqWS=localPlaneEq-dot3F4(planeNormalWS,posA);\n" + " for (int i=0;i<numVertsIn;i++)\n" + " {\n" + " float depth = dot3F4(planeNormalWS,pVtxIn[i])+planeEqWS;\n" + " if (depth <=minDist)\n" + " {\n" + " depth = minDist;\n" + " }\n" + " if (depth <=maxDist)\n" + " {\n" + " float4 pointInWorld = pVtxIn[i];\n" + " //resultOut.addContactPoint(separatingNormal,point,depth);\n" + " contactsOut[numContactsOut++] = make_float4(pointInWorld.x,pointInWorld.y,pointInWorld.z,depth);\n" + " }\n" + " }\n" + " }\n" + " return numContactsOut;\n" + "}\n" + "int clipHullAgainstHull(const float4 separatingNormal,\n" + " __global const b3ConvexPolyhedronData_t* hullA, __global const b3ConvexPolyhedronData_t* hullB, \n" + " const float4 posA, const Quaternion ornA,const float4 posB, const Quaternion ornB, \n" + " float4* worldVertsB1, float4* worldVertsB2, int capacityWorldVerts,\n" + " const float minDist, float maxDist,\n" + " __global const float4* vertices,\n" + " __global const b3GpuFace_t* faces,\n" + " __global const int* indices,\n" + " float4* localContactsOut,\n" + " int localContactCapacity)\n" + "{\n" + " int numContactsOut = 0;\n" + " int numWorldVertsB1= 0;\n" + " int closestFaceB=-1;\n" + " float dmax = -FLT_MAX;\n" + " {\n" + " for(int face=0;face<hullB->m_numFaces;face++)\n" + " {\n" + " const float4 Normal = make_float4(faces[hullB->m_faceOffset+face].m_plane.x, \n" + " faces[hullB->m_faceOffset+face].m_plane.y, faces[hullB->m_faceOffset+face].m_plane.z,0.f);\n" + " const float4 WorldNormal = qtRotate(ornB, Normal);\n" + " float d = dot3F4(WorldNormal,separatingNormal);\n" + " if (d > dmax)\n" + " {\n" + " dmax = d;\n" + " closestFaceB = face;\n" + " }\n" + " }\n" + " }\n" + " {\n" + " const b3GpuFace_t polyB = faces[hullB->m_faceOffset+closestFaceB];\n" + " const int numVertices = polyB.m_numIndices;\n" + " for(int e0=0;e0<numVertices;e0++)\n" + " {\n" + " const float4 b = vertices[hullB->m_vertexOffset+indices[polyB.m_indexOffset+e0]];\n" + " worldVertsB1[numWorldVertsB1++] = transform(&b,&posB,&ornB);\n" + " }\n" + " }\n" + " if (closestFaceB>=0)\n" + " {\n" + " numContactsOut = clipFaceAgainstHull(separatingNormal, hullA, \n" + " posA,ornA,\n" + " worldVertsB1,numWorldVertsB1,worldVertsB2,capacityWorldVerts, minDist, maxDist,vertices,\n" + " faces,\n" + " indices,localContactsOut,localContactCapacity);\n" + " }\n" + " return numContactsOut;\n" + "}\n" + "int clipHullAgainstHullLocalA(const float4 separatingNormal,\n" + " const b3ConvexPolyhedronData_t* hullA, __global const b3ConvexPolyhedronData_t* hullB, \n" + " const float4 posA, const Quaternion ornA,const float4 posB, const Quaternion ornB, \n" + " float4* worldVertsB1, float4* worldVertsB2, int capacityWorldVerts,\n" + " const float minDist, float maxDist,\n" + " const float4* verticesA,\n" + " const b3GpuFace_t* facesA,\n" + " const int* indicesA,\n" + " __global const float4* verticesB,\n" + " __global const b3GpuFace_t* facesB,\n" + " __global const int* indicesB,\n" + " float4* localContactsOut,\n" + " int localContactCapacity)\n" + "{\n" + " int numContactsOut = 0;\n" + " int numWorldVertsB1= 0;\n" + " int closestFaceB=-1;\n" + " float dmax = -FLT_MAX;\n" + " {\n" + " for(int face=0;face<hullB->m_numFaces;face++)\n" + " {\n" + " const float4 Normal = make_float4(facesB[hullB->m_faceOffset+face].m_plane.x, \n" + " facesB[hullB->m_faceOffset+face].m_plane.y, facesB[hullB->m_faceOffset+face].m_plane.z,0.f);\n" + " const float4 WorldNormal = qtRotate(ornB, Normal);\n" + " float d = dot3F4(WorldNormal,separatingNormal);\n" + " if (d > dmax)\n" + " {\n" + " dmax = d;\n" + " closestFaceB = face;\n" + " }\n" + " }\n" + " }\n" + " {\n" + " const b3GpuFace_t polyB = facesB[hullB->m_faceOffset+closestFaceB];\n" + " const int numVertices = polyB.m_numIndices;\n" + " for(int e0=0;e0<numVertices;e0++)\n" + " {\n" + " const float4 b = verticesB[hullB->m_vertexOffset+indicesB[polyB.m_indexOffset+e0]];\n" + " worldVertsB1[numWorldVertsB1++] = transform(&b,&posB,&ornB);\n" + " }\n" + " }\n" + " if (closestFaceB>=0)\n" + " {\n" + " numContactsOut = clipFaceAgainstHullLocalA(separatingNormal, hullA, \n" + " posA,ornA,\n" + " worldVertsB1,numWorldVertsB1,worldVertsB2,capacityWorldVerts, minDist, maxDist,\n" + " verticesA,facesA,indicesA,\n" + " verticesB,facesB,indicesB,\n" + " localContactsOut,localContactCapacity);\n" + " }\n" + " return numContactsOut;\n" + "}\n" + "#define PARALLEL_SUM(v, n) for(int j=1; j<n; j++) v[0] += v[j];\n" + "#define PARALLEL_DO(execution, n) for(int ie=0; ie<n; ie++){execution;}\n" + "#define REDUCE_MAX(v, n) {int i=0; for(int offset=0; offset<n; offset++) v[i] = (v[i].y > v[i+offset].y)? v[i]: v[i+offset]; }\n" + "#define REDUCE_MIN(v, n) {int i=0; for(int offset=0; offset<n; offset++) v[i] = (v[i].y < v[i+offset].y)? v[i]: v[i+offset]; }\n" + "int extractManifoldSequentialGlobal(__global const float4* p, int nPoints, float4 nearNormal, int4* contactIdx)\n" + "{\n" + " if( nPoints == 0 )\n" + " return 0;\n" + " \n" + " if (nPoints <=4)\n" + " return nPoints;\n" + " \n" + " \n" + " if (nPoints >64)\n" + " nPoints = 64;\n" + " \n" + " float4 center = make_float4(0.f);\n" + " {\n" + " \n" + " for (int i=0;i<nPoints;i++)\n" + " center += p[i];\n" + " center /= (float)nPoints;\n" + " }\n" + " \n" + " \n" + " \n" + " // sample 4 directions\n" + " \n" + " float4 aVector = p[0] - center;\n" + " float4 u = cross3( nearNormal, aVector );\n" + " float4 v = cross3( nearNormal, u );\n" + " u = normalize3( u );\n" + " v = normalize3( v );\n" + " \n" + " \n" + " //keep point with deepest penetration\n" + " float minW= FLT_MAX;\n" + " \n" + " int minIndex=-1;\n" + " \n" + " float4 maxDots;\n" + " maxDots.x = FLT_MIN;\n" + " maxDots.y = FLT_MIN;\n" + " maxDots.z = FLT_MIN;\n" + " maxDots.w = FLT_MIN;\n" + " \n" + " // idx, distance\n" + " for(int ie = 0; ie<nPoints; ie++ )\n" + " {\n" + " if (p[ie].w<minW)\n" + " {\n" + " minW = p[ie].w;\n" + " minIndex=ie;\n" + " }\n" + " float f;\n" + " float4 r = p[ie]-center;\n" + " f = dot3F4( u, r );\n" + " if (f<maxDots.x)\n" + " {\n" + " maxDots.x = f;\n" + " contactIdx[0].x = ie;\n" + " }\n" + " \n" + " f = dot3F4( -u, r );\n" + " if (f<maxDots.y)\n" + " {\n" + " maxDots.y = f;\n" + " contactIdx[0].y = ie;\n" + " }\n" + " \n" + " \n" + " f = dot3F4( v, r );\n" + " if (f<maxDots.z)\n" + " {\n" + " maxDots.z = f;\n" + " contactIdx[0].z = ie;\n" + " }\n" + " \n" + " f = dot3F4( -v, r );\n" + " if (f<maxDots.w)\n" + " {\n" + " maxDots.w = f;\n" + " contactIdx[0].w = ie;\n" + " }\n" + " \n" + " }\n" + " \n" + " if (contactIdx[0].x != minIndex && contactIdx[0].y != minIndex && contactIdx[0].z != minIndex && contactIdx[0].w != minIndex)\n" + " {\n" + " //replace the first contact with minimum (todo: replace contact with least penetration)\n" + " contactIdx[0].x = minIndex;\n" + " }\n" + " \n" + " return 4;\n" + " \n" + "}\n" + "int extractManifoldSequentialGlobalFake(__global const float4* p, int nPoints, float4 nearNormal, int* contactIdx)\n" + "{\n" + " contactIdx[0] = 0;\n" + " contactIdx[1] = 1;\n" + " contactIdx[2] = 2;\n" + " contactIdx[3] = 3;\n" + " \n" + " if( nPoints == 0 ) return 0;\n" + " \n" + " nPoints = min2( nPoints, 4 );\n" + " return nPoints;\n" + " \n" + "}\n" + "int extractManifoldSequential(const float4* p, int nPoints, float4 nearNormal, int* contactIdx)\n" + "{\n" + " if( nPoints == 0 ) return 0;\n" + " nPoints = min2( nPoints, 64 );\n" + " float4 center = make_float4(0.f);\n" + " {\n" + " float4 v[64];\n" + " for (int i=0;i<nPoints;i++)\n" + " v[i] = p[i];\n" + " //memcpy( v, p, nPoints*sizeof(float4) );\n" + " PARALLEL_SUM( v, nPoints );\n" + " center = v[0]/(float)nPoints;\n" + " }\n" + " \n" + " { // sample 4 directions\n" + " if( nPoints < 4 )\n" + " {\n" + " for(int i=0; i<nPoints; i++) \n" + " contactIdx[i] = i;\n" + " return nPoints;\n" + " }\n" + " float4 aVector = p[0] - center;\n" + " float4 u = cross3( nearNormal, aVector );\n" + " float4 v = cross3( nearNormal, u );\n" + " u = normalize3( u );\n" + " v = normalize3( v );\n" + " int idx[4];\n" + " float2 max00 = make_float2(0,FLT_MAX);\n" + " {\n" + " // idx, distance\n" + " {\n" + " {\n" + " int4 a[64];\n" + " for(int ie = 0; ie<nPoints; ie++ )\n" + " {\n" + " \n" + " \n" + " float f;\n" + " float4 r = p[ie]-center;\n" + " f = dot3F4( u, r );\n" + " a[ie].x = ((*(u32*)&f) & 0xffffff00) | (0xff & ie);\n" + " f = dot3F4( -u, r );\n" + " a[ie].y = ((*(u32*)&f) & 0xffffff00) | (0xff & ie);\n" + " f = dot3F4( v, r );\n" + " a[ie].z = ((*(u32*)&f) & 0xffffff00) | (0xff & ie);\n" + " f = dot3F4( -v, r );\n" + " a[ie].w = ((*(u32*)&f) & 0xffffff00) | (0xff & ie);\n" + " }\n" + " for(int ie=0; ie<nPoints; ie++)\n" + " {\n" + " a[0].x = (a[0].x > a[ie].x )? a[0].x: a[ie].x;\n" + " a[0].y = (a[0].y > a[ie].y )? a[0].y: a[ie].y;\n" + " a[0].z = (a[0].z > a[ie].z )? a[0].z: a[ie].z;\n" + " a[0].w = (a[0].w > a[ie].w )? a[0].w: a[ie].w;\n" + " }\n" + " idx[0] = (int)a[0].x & 0xff;\n" + " idx[1] = (int)a[0].y & 0xff;\n" + " idx[2] = (int)a[0].z & 0xff;\n" + " idx[3] = (int)a[0].w & 0xff;\n" + " }\n" + " }\n" + " {\n" + " float2 h[64];\n" + " PARALLEL_DO( h[ie] = make_float2((float)ie, p[ie].w), nPoints );\n" + " REDUCE_MIN( h, nPoints );\n" + " max00 = h[0];\n" + " }\n" + " }\n" + " contactIdx[0] = idx[0];\n" + " contactIdx[1] = idx[1];\n" + " contactIdx[2] = idx[2];\n" + " contactIdx[3] = idx[3];\n" + " return 4;\n" + " }\n" + "}\n" + "__kernel void extractManifoldAndAddContactKernel(__global const int4* pairs, \n" + " __global const b3RigidBodyData_t* rigidBodies, \n" + " __global const float4* closestPointsWorld,\n" + " __global const float4* separatingNormalsWorld,\n" + " __global const int* contactCounts,\n" + " __global const int* contactOffsets,\n" + " __global struct b3Contact4Data* restrict contactsOut,\n" + " counter32_t nContactsOut,\n" + " int contactCapacity,\n" + " int numPairs,\n" + " int pairIndex\n" + " )\n" + "{\n" + " int idx = get_global_id(0);\n" + " \n" + " if (idx<numPairs)\n" + " {\n" + " float4 normal = separatingNormalsWorld[idx];\n" + " int nPoints = contactCounts[idx];\n" + " __global const float4* pointsIn = &closestPointsWorld[contactOffsets[idx]];\n" + " float4 localPoints[64];\n" + " for (int i=0;i<nPoints;i++)\n" + " {\n" + " localPoints[i] = pointsIn[i];\n" + " }\n" + " int contactIdx[4];// = {-1,-1,-1,-1};\n" + " contactIdx[0] = -1;\n" + " contactIdx[1] = -1;\n" + " contactIdx[2] = -1;\n" + " contactIdx[3] = -1;\n" + " int nContacts = extractManifoldSequential(localPoints, nPoints, normal, contactIdx);\n" + " int dstIdx;\n" + " AppendInc( nContactsOut, dstIdx );\n" + " if (dstIdx<contactCapacity)\n" + " {\n" + " __global struct b3Contact4Data* c = contactsOut + dstIdx;\n" + " c->m_worldNormalOnB = -normal;\n" + " c->m_restituitionCoeffCmp = (0.f*0xffff);c->m_frictionCoeffCmp = (0.7f*0xffff);\n" + " c->m_batchIdx = idx;\n" + " int bodyA = pairs[pairIndex].x;\n" + " int bodyB = pairs[pairIndex].y;\n" + " c->m_bodyAPtrAndSignBit = rigidBodies[bodyA].m_invMass==0 ? -bodyA:bodyA;\n" + " c->m_bodyBPtrAndSignBit = rigidBodies[bodyB].m_invMass==0 ? -bodyB:bodyB;\n" + " c->m_childIndexA = -1;\n" + " c->m_childIndexB = -1;\n" + " for (int i=0;i<nContacts;i++)\n" + " {\n" + " c->m_worldPosB[i] = localPoints[contactIdx[i]];\n" + " }\n" + " GET_NPOINTS(*c) = nContacts;\n" + " }\n" + " }\n" + "}\n" + "void trInverse(float4 translationIn, Quaternion orientationIn,\n" + " float4* translationOut, Quaternion* orientationOut)\n" + "{\n" + " *orientationOut = qtInvert(orientationIn);\n" + " *translationOut = qtRotate(*orientationOut, -translationIn);\n" + "}\n" + "void trMul(float4 translationA, Quaternion orientationA,\n" + " float4 translationB, Quaternion orientationB,\n" + " float4* translationOut, Quaternion* orientationOut)\n" + "{\n" + " *orientationOut = qtMul(orientationA,orientationB);\n" + " *translationOut = transform(&translationB,&translationA,&orientationA);\n" + "}\n" + "__kernel void clipHullHullKernel( __global int4* pairs, \n" + " __global const b3RigidBodyData_t* rigidBodies, \n" + " __global const b3Collidable_t* collidables,\n" + " __global const b3ConvexPolyhedronData_t* convexShapes, \n" + " __global const float4* vertices,\n" + " __global const float4* uniqueEdges,\n" + " __global const b3GpuFace_t* faces,\n" + " __global const int* indices,\n" + " __global const float4* separatingNormals,\n" + " __global const int* hasSeparatingAxis,\n" + " __global struct b3Contact4Data* restrict globalContactsOut,\n" + " counter32_t nGlobalContactsOut,\n" + " int numPairs,\n" + " int contactCapacity)\n" + "{\n" + " int i = get_global_id(0);\n" + " int pairIndex = i;\n" + " \n" + " float4 worldVertsB1[64];\n" + " float4 worldVertsB2[64];\n" + " int capacityWorldVerts = 64; \n" + " float4 localContactsOut[64];\n" + " int localContactCapacity=64;\n" + " \n" + " float minDist = -1e30f;\n" + " float maxDist = 0.02f;\n" + " if (i<numPairs)\n" + " {\n" + " int bodyIndexA = pairs[i].x;\n" + " int bodyIndexB = pairs[i].y;\n" + " \n" + " int collidableIndexA = rigidBodies[bodyIndexA].m_collidableIdx;\n" + " int collidableIndexB = rigidBodies[bodyIndexB].m_collidableIdx;\n" + " if (hasSeparatingAxis[i])\n" + " {\n" + " \n" + " int shapeIndexA = collidables[collidableIndexA].m_shapeIndex;\n" + " int shapeIndexB = collidables[collidableIndexB].m_shapeIndex;\n" + " \n" + " \n" + " int numLocalContactsOut = clipHullAgainstHull(separatingNormals[i],\n" + " &convexShapes[shapeIndexA], &convexShapes[shapeIndexB],\n" + " rigidBodies[bodyIndexA].m_pos,rigidBodies[bodyIndexA].m_quat,\n" + " rigidBodies[bodyIndexB].m_pos,rigidBodies[bodyIndexB].m_quat,\n" + " worldVertsB1,worldVertsB2,capacityWorldVerts,\n" + " minDist, maxDist,\n" + " vertices,faces,indices,\n" + " localContactsOut,localContactCapacity);\n" + " \n" + " if (numLocalContactsOut>0)\n" + " {\n" + " float4 normal = -separatingNormals[i];\n" + " int nPoints = numLocalContactsOut;\n" + " float4* pointsIn = localContactsOut;\n" + " int contactIdx[4];// = {-1,-1,-1,-1};\n" + " contactIdx[0] = -1;\n" + " contactIdx[1] = -1;\n" + " contactIdx[2] = -1;\n" + " contactIdx[3] = -1;\n" + " \n" + " int nReducedContacts = extractManifoldSequential(pointsIn, nPoints, normal, contactIdx);\n" + " \n" + " \n" + " int mprContactIndex = pairs[pairIndex].z;\n" + " int dstIdx = mprContactIndex;\n" + " if (dstIdx<0)\n" + " {\n" + " AppendInc( nGlobalContactsOut, dstIdx );\n" + " }\n" + " if (dstIdx<contactCapacity)\n" + " {\n" + " pairs[pairIndex].z = dstIdx;\n" + " __global struct b3Contact4Data* c = globalContactsOut+ dstIdx;\n" + " c->m_worldNormalOnB = -normal;\n" + " c->m_restituitionCoeffCmp = (0.f*0xffff);c->m_frictionCoeffCmp = (0.7f*0xffff);\n" + " c->m_batchIdx = pairIndex;\n" + " int bodyA = pairs[pairIndex].x;\n" + " int bodyB = pairs[pairIndex].y;\n" + " c->m_bodyAPtrAndSignBit = rigidBodies[bodyA].m_invMass==0?-bodyA:bodyA;\n" + " c->m_bodyBPtrAndSignBit = rigidBodies[bodyB].m_invMass==0?-bodyB:bodyB;\n" + " c->m_childIndexA = -1;\n" + " c->m_childIndexB = -1;\n" + " for (int i=0;i<nReducedContacts;i++)\n" + " {\n" + " //this condition means: overwrite contact point, unless at index i==0 we have a valid 'mpr' contact\n" + " if (i>0||(mprContactIndex<0))\n" + " {\n" + " c->m_worldPosB[i] = pointsIn[contactIdx[i]];\n" + " }\n" + " }\n" + " GET_NPOINTS(*c) = nReducedContacts;\n" + " }\n" + " \n" + " }// if (numContactsOut>0)\n" + " }// if (hasSeparatingAxis[i])\n" + " }// if (i<numPairs)\n" + "}\n" + "__kernel void clipCompoundsHullHullKernel( __global const int4* gpuCompoundPairs, \n" + " __global const b3RigidBodyData_t* rigidBodies, \n" + " __global const b3Collidable_t* collidables,\n" + " __global const b3ConvexPolyhedronData_t* convexShapes, \n" + " __global const float4* vertices,\n" + " __global const float4* uniqueEdges,\n" + " __global const b3GpuFace_t* faces,\n" + " __global const int* indices,\n" + " __global const b3GpuChildShape_t* gpuChildShapes,\n" + " __global const float4* gpuCompoundSepNormalsOut,\n" + " __global const int* gpuHasCompoundSepNormalsOut,\n" + " __global struct b3Contact4Data* restrict globalContactsOut,\n" + " counter32_t nGlobalContactsOut,\n" + " int numCompoundPairs, int maxContactCapacity)\n" + "{\n" + " int i = get_global_id(0);\n" + " int pairIndex = i;\n" + " \n" + " float4 worldVertsB1[64];\n" + " float4 worldVertsB2[64];\n" + " int capacityWorldVerts = 64; \n" + " float4 localContactsOut[64];\n" + " int localContactCapacity=64;\n" + " \n" + " float minDist = -1e30f;\n" + " float maxDist = 0.02f;\n" + " if (i<numCompoundPairs)\n" + " {\n" + " if (gpuHasCompoundSepNormalsOut[i])\n" + " {\n" + " int bodyIndexA = gpuCompoundPairs[i].x;\n" + " int bodyIndexB = gpuCompoundPairs[i].y;\n" + " \n" + " int childShapeIndexA = gpuCompoundPairs[i].z;\n" + " int childShapeIndexB = gpuCompoundPairs[i].w;\n" + " \n" + " int collidableIndexA = -1;\n" + " int collidableIndexB = -1;\n" + " \n" + " float4 ornA = rigidBodies[bodyIndexA].m_quat;\n" + " float4 posA = rigidBodies[bodyIndexA].m_pos;\n" + " \n" + " float4 ornB = rigidBodies[bodyIndexB].m_quat;\n" + " float4 posB = rigidBodies[bodyIndexB].m_pos;\n" + " \n" + " if (childShapeIndexA >= 0)\n" + " {\n" + " collidableIndexA = gpuChildShapes[childShapeIndexA].m_shapeIndex;\n" + " float4 childPosA = gpuChildShapes[childShapeIndexA].m_childPosition;\n" + " float4 childOrnA = gpuChildShapes[childShapeIndexA].m_childOrientation;\n" + " float4 newPosA = qtRotate(ornA,childPosA)+posA;\n" + " float4 newOrnA = qtMul(ornA,childOrnA);\n" + " posA = newPosA;\n" + " ornA = newOrnA;\n" + " } else\n" + " {\n" + " collidableIndexA = rigidBodies[bodyIndexA].m_collidableIdx;\n" + " }\n" + " \n" + " if (childShapeIndexB>=0)\n" + " {\n" + " collidableIndexB = gpuChildShapes[childShapeIndexB].m_shapeIndex;\n" + " float4 childPosB = gpuChildShapes[childShapeIndexB].m_childPosition;\n" + " float4 childOrnB = gpuChildShapes[childShapeIndexB].m_childOrientation;\n" + " float4 newPosB = transform(&childPosB,&posB,&ornB);\n" + " float4 newOrnB = qtMul(ornB,childOrnB);\n" + " posB = newPosB;\n" + " ornB = newOrnB;\n" + " } else\n" + " {\n" + " collidableIndexB = rigidBodies[bodyIndexB].m_collidableIdx; \n" + " }\n" + " \n" + " int shapeIndexA = collidables[collidableIndexA].m_shapeIndex;\n" + " int shapeIndexB = collidables[collidableIndexB].m_shapeIndex;\n" + " \n" + " int numLocalContactsOut = clipHullAgainstHull(gpuCompoundSepNormalsOut[i],\n" + " &convexShapes[shapeIndexA], &convexShapes[shapeIndexB],\n" + " posA,ornA,\n" + " posB,ornB,\n" + " worldVertsB1,worldVertsB2,capacityWorldVerts,\n" + " minDist, maxDist,\n" + " vertices,faces,indices,\n" + " localContactsOut,localContactCapacity);\n" + " \n" + " if (numLocalContactsOut>0)\n" + " {\n" + " float4 normal = -gpuCompoundSepNormalsOut[i];\n" + " int nPoints = numLocalContactsOut;\n" + " float4* pointsIn = localContactsOut;\n" + " int contactIdx[4];// = {-1,-1,-1,-1};\n" + " contactIdx[0] = -1;\n" + " contactIdx[1] = -1;\n" + " contactIdx[2] = -1;\n" + " contactIdx[3] = -1;\n" + " \n" + " int nReducedContacts = extractManifoldSequential(pointsIn, nPoints, normal, contactIdx);\n" + " \n" + " int dstIdx;\n" + " AppendInc( nGlobalContactsOut, dstIdx );\n" + " if ((dstIdx+nReducedContacts) < maxContactCapacity)\n" + " {\n" + " __global struct b3Contact4Data* c = globalContactsOut+ dstIdx;\n" + " c->m_worldNormalOnB = -normal;\n" + " c->m_restituitionCoeffCmp = (0.f*0xffff);c->m_frictionCoeffCmp = (0.7f*0xffff);\n" + " c->m_batchIdx = pairIndex;\n" + " int bodyA = gpuCompoundPairs[pairIndex].x;\n" + " int bodyB = gpuCompoundPairs[pairIndex].y;\n" + " c->m_bodyAPtrAndSignBit = rigidBodies[bodyA].m_invMass==0?-bodyA:bodyA;\n" + " c->m_bodyBPtrAndSignBit = rigidBodies[bodyB].m_invMass==0?-bodyB:bodyB;\n" + " c->m_childIndexA = childShapeIndexA;\n" + " c->m_childIndexB = childShapeIndexB;\n" + " for (int i=0;i<nReducedContacts;i++)\n" + " {\n" + " c->m_worldPosB[i] = pointsIn[contactIdx[i]];\n" + " }\n" + " GET_NPOINTS(*c) = nReducedContacts;\n" + " }\n" + " \n" + " }// if (numContactsOut>0)\n" + " }// if (gpuHasCompoundSepNormalsOut[i])\n" + " }// if (i<numCompoundPairs)\n" + "}\n" + "__kernel void sphereSphereCollisionKernel( __global const int4* pairs, \n" + " __global const b3RigidBodyData_t* rigidBodies, \n" + " __global const b3Collidable_t* collidables,\n" + " __global const float4* separatingNormals,\n" + " __global const int* hasSeparatingAxis,\n" + " __global struct b3Contact4Data* restrict globalContactsOut,\n" + " counter32_t nGlobalContactsOut,\n" + " int contactCapacity,\n" + " int numPairs)\n" + "{\n" + " int i = get_global_id(0);\n" + " int pairIndex = i;\n" + " \n" + " if (i<numPairs)\n" + " {\n" + " int bodyIndexA = pairs[i].x;\n" + " int bodyIndexB = pairs[i].y;\n" + " \n" + " int collidableIndexA = rigidBodies[bodyIndexA].m_collidableIdx;\n" + " int collidableIndexB = rigidBodies[bodyIndexB].m_collidableIdx;\n" + " if (collidables[collidableIndexA].m_shapeType == SHAPE_SPHERE &&\n" + " collidables[collidableIndexB].m_shapeType == SHAPE_SPHERE)\n" + " {\n" + " //sphere-sphere\n" + " float radiusA = collidables[collidableIndexA].m_radius;\n" + " float radiusB = collidables[collidableIndexB].m_radius;\n" + " float4 posA = rigidBodies[bodyIndexA].m_pos;\n" + " float4 posB = rigidBodies[bodyIndexB].m_pos;\n" + " float4 diff = posA-posB;\n" + " float len = length(diff);\n" + " \n" + " ///iff distance positive, don't generate a new contact\n" + " if ( len <= (radiusA+radiusB))\n" + " {\n" + " ///distance (negative means penetration)\n" + " float dist = len - (radiusA+radiusB);\n" + " float4 normalOnSurfaceB = make_float4(1.f,0.f,0.f,0.f);\n" + " if (len > 0.00001)\n" + " {\n" + " normalOnSurfaceB = diff / len;\n" + " }\n" + " float4 contactPosB = posB + normalOnSurfaceB*radiusB;\n" + " contactPosB.w = dist;\n" + " \n" + " int dstIdx;\n" + " AppendInc( nGlobalContactsOut, dstIdx );\n" + " if (dstIdx < contactCapacity)\n" + " {\n" + " __global struct b3Contact4Data* c = &globalContactsOut[dstIdx];\n" + " c->m_worldNormalOnB = -normalOnSurfaceB;\n" + " c->m_restituitionCoeffCmp = (0.f*0xffff);c->m_frictionCoeffCmp = (0.7f*0xffff);\n" + " c->m_batchIdx = pairIndex;\n" + " int bodyA = pairs[pairIndex].x;\n" + " int bodyB = pairs[pairIndex].y;\n" + " c->m_bodyAPtrAndSignBit = rigidBodies[bodyA].m_invMass==0?-bodyA:bodyA;\n" + " c->m_bodyBPtrAndSignBit = rigidBodies[bodyB].m_invMass==0?-bodyB:bodyB;\n" + " c->m_worldPosB[0] = contactPosB;\n" + " c->m_childIndexA = -1;\n" + " c->m_childIndexB = -1;\n" + " GET_NPOINTS(*c) = 1;\n" + " }//if (dstIdx < numPairs)\n" + " }//if ( len <= (radiusA+radiusB))\n" + " }//SHAPE_SPHERE SHAPE_SPHERE\n" + " }//if (i<numPairs)\n" + "} \n" + "__kernel void clipHullHullConcaveConvexKernel( __global int4* concavePairsIn,\n" + " __global const b3RigidBodyData_t* rigidBodies, \n" + " __global const b3Collidable_t* collidables,\n" + " __global const b3ConvexPolyhedronData_t* convexShapes, \n" + " __global const float4* vertices,\n" + " __global const float4* uniqueEdges,\n" + " __global const b3GpuFace_t* faces,\n" + " __global const int* indices,\n" + " __global const b3GpuChildShape_t* gpuChildShapes,\n" + " __global const float4* separatingNormals,\n" + " __global struct b3Contact4Data* restrict globalContactsOut,\n" + " counter32_t nGlobalContactsOut,\n" + " int contactCapacity,\n" + " int numConcavePairs)\n" + "{\n" + " int i = get_global_id(0);\n" + " int pairIndex = i;\n" + " \n" + " float4 worldVertsB1[64];\n" + " float4 worldVertsB2[64];\n" + " int capacityWorldVerts = 64; \n" + " float4 localContactsOut[64];\n" + " int localContactCapacity=64;\n" + " \n" + " float minDist = -1e30f;\n" + " float maxDist = 0.02f;\n" + " if (i<numConcavePairs)\n" + " {\n" + " //negative value means that the pair is invalid\n" + " if (concavePairsIn[i].w<0)\n" + " return;\n" + " int bodyIndexA = concavePairsIn[i].x;\n" + " int bodyIndexB = concavePairsIn[i].y;\n" + " int f = concavePairsIn[i].z;\n" + " int childShapeIndexA = f;\n" + " \n" + " int collidableIndexA = rigidBodies[bodyIndexA].m_collidableIdx;\n" + " int collidableIndexB = rigidBodies[bodyIndexB].m_collidableIdx;\n" + " \n" + " int shapeIndexA = collidables[collidableIndexA].m_shapeIndex;\n" + " int shapeIndexB = collidables[collidableIndexB].m_shapeIndex;\n" + " \n" + " ///////////////////////////////////////////////////////////////\n" + " \n" + " \n" + " bool overlap = false;\n" + " \n" + " b3ConvexPolyhedronData_t convexPolyhedronA;\n" + " //add 3 vertices of the triangle\n" + " convexPolyhedronA.m_numVertices = 3;\n" + " convexPolyhedronA.m_vertexOffset = 0;\n" + " float4 localCenter = make_float4(0.f,0.f,0.f,0.f);\n" + " b3GpuFace_t face = faces[convexShapes[shapeIndexA].m_faceOffset+f];\n" + " \n" + " float4 verticesA[3];\n" + " for (int i=0;i<3;i++)\n" + " {\n" + " int index = indices[face.m_indexOffset+i];\n" + " float4 vert = vertices[convexShapes[shapeIndexA].m_vertexOffset+index];\n" + " verticesA[i] = vert;\n" + " localCenter += vert;\n" + " }\n" + " float dmin = FLT_MAX;\n" + " int localCC=0;\n" + " //a triangle has 3 unique edges\n" + " convexPolyhedronA.m_numUniqueEdges = 3;\n" + " convexPolyhedronA.m_uniqueEdgesOffset = 0;\n" + " float4 uniqueEdgesA[3];\n" + " \n" + " uniqueEdgesA[0] = (verticesA[1]-verticesA[0]);\n" + " uniqueEdgesA[1] = (verticesA[2]-verticesA[1]);\n" + " uniqueEdgesA[2] = (verticesA[0]-verticesA[2]);\n" + " convexPolyhedronA.m_faceOffset = 0;\n" + " \n" + " float4 normal = make_float4(face.m_plane.x,face.m_plane.y,face.m_plane.z,0.f);\n" + " \n" + " b3GpuFace_t facesA[TRIANGLE_NUM_CONVEX_FACES];\n" + " int indicesA[3+3+2+2+2];\n" + " int curUsedIndices=0;\n" + " int fidx=0;\n" + " //front size of triangle\n" + " {\n" + " facesA[fidx].m_indexOffset=curUsedIndices;\n" + " indicesA[0] = 0;\n" + " indicesA[1] = 1;\n" + " indicesA[2] = 2;\n" + " curUsedIndices+=3;\n" + " float c = face.m_plane.w;\n" + " facesA[fidx].m_plane.x = normal.x;\n" + " facesA[fidx].m_plane.y = normal.y;\n" + " facesA[fidx].m_plane.z = normal.z;\n" + " facesA[fidx].m_plane.w = c;\n" + " facesA[fidx].m_numIndices=3;\n" + " }\n" + " fidx++;\n" + " //back size of triangle\n" + " {\n" + " facesA[fidx].m_indexOffset=curUsedIndices;\n" + " indicesA[3]=2;\n" + " indicesA[4]=1;\n" + " indicesA[5]=0;\n" + " curUsedIndices+=3;\n" + " float c = dot3F4(normal,verticesA[0]);\n" + " float c1 = -face.m_plane.w;\n" + " facesA[fidx].m_plane.x = -normal.x;\n" + " facesA[fidx].m_plane.y = -normal.y;\n" + " facesA[fidx].m_plane.z = -normal.z;\n" + " facesA[fidx].m_plane.w = c;\n" + " facesA[fidx].m_numIndices=3;\n" + " }\n" + " fidx++;\n" + " bool addEdgePlanes = true;\n" + " if (addEdgePlanes)\n" + " {\n" + " int numVertices=3;\n" + " int prevVertex = numVertices-1;\n" + " for (int i=0;i<numVertices;i++)\n" + " {\n" + " float4 v0 = verticesA[i];\n" + " float4 v1 = verticesA[prevVertex];\n" + " \n" + " float4 edgeNormal = normalize(cross(normal,v1-v0));\n" + " float c = -dot3F4(edgeNormal,v0);\n" + " facesA[fidx].m_numIndices = 2;\n" + " facesA[fidx].m_indexOffset=curUsedIndices;\n" + " indicesA[curUsedIndices++]=i;\n" + " indicesA[curUsedIndices++]=prevVertex;\n" + " \n" + " facesA[fidx].m_plane.x = edgeNormal.x;\n" + " facesA[fidx].m_plane.y = edgeNormal.y;\n" + " facesA[fidx].m_plane.z = edgeNormal.z;\n" + " facesA[fidx].m_plane.w = c;\n" + " fidx++;\n" + " prevVertex = i;\n" + " }\n" + " }\n" + " convexPolyhedronA.m_numFaces = TRIANGLE_NUM_CONVEX_FACES;\n" + " convexPolyhedronA.m_localCenter = localCenter*(1.f/3.f);\n" + " float4 posA = rigidBodies[bodyIndexA].m_pos;\n" + " posA.w = 0.f;\n" + " float4 posB = rigidBodies[bodyIndexB].m_pos;\n" + " posB.w = 0.f;\n" + " float4 ornA = rigidBodies[bodyIndexA].m_quat;\n" + " float4 ornB =rigidBodies[bodyIndexB].m_quat;\n" + " float4 sepAxis = separatingNormals[i];\n" + " \n" + " int shapeTypeB = collidables[collidableIndexB].m_shapeType;\n" + " int childShapeIndexB =-1;\n" + " if (shapeTypeB==SHAPE_COMPOUND_OF_CONVEX_HULLS)\n" + " {\n" + " ///////////////////\n" + " ///compound shape support\n" + " \n" + " childShapeIndexB = concavePairsIn[pairIndex].w;\n" + " int childColIndexB = gpuChildShapes[childShapeIndexB].m_shapeIndex;\n" + " shapeIndexB = collidables[childColIndexB].m_shapeIndex;\n" + " float4 childPosB = gpuChildShapes[childShapeIndexB].m_childPosition;\n" + " float4 childOrnB = gpuChildShapes[childShapeIndexB].m_childOrientation;\n" + " float4 newPosB = transform(&childPosB,&posB,&ornB);\n" + " float4 newOrnB = qtMul(ornB,childOrnB);\n" + " posB = newPosB;\n" + " ornB = newOrnB;\n" + " \n" + " }\n" + " \n" + " ////////////////////////////////////////\n" + " \n" + " \n" + " \n" + " int numLocalContactsOut = clipHullAgainstHullLocalA(sepAxis,\n" + " &convexPolyhedronA, &convexShapes[shapeIndexB],\n" + " posA,ornA,\n" + " posB,ornB,\n" + " worldVertsB1,worldVertsB2,capacityWorldVerts,\n" + " minDist, maxDist,\n" + " &verticesA,&facesA,&indicesA,\n" + " vertices,faces,indices,\n" + " localContactsOut,localContactCapacity);\n" + " \n" + " if (numLocalContactsOut>0)\n" + " {\n" + " float4 normal = -separatingNormals[i];\n" + " int nPoints = numLocalContactsOut;\n" + " float4* pointsIn = localContactsOut;\n" + " int contactIdx[4];// = {-1,-1,-1,-1};\n" + " contactIdx[0] = -1;\n" + " contactIdx[1] = -1;\n" + " contactIdx[2] = -1;\n" + " contactIdx[3] = -1;\n" + " \n" + " int nReducedContacts = extractManifoldSequential(pointsIn, nPoints, normal, contactIdx);\n" + " \n" + " int dstIdx;\n" + " AppendInc( nGlobalContactsOut, dstIdx );\n" + " if (dstIdx<contactCapacity)\n" + " {\n" + " __global struct b3Contact4Data* c = globalContactsOut+ dstIdx;\n" + " c->m_worldNormalOnB = -normal;\n" + " c->m_restituitionCoeffCmp = (0.f*0xffff);c->m_frictionCoeffCmp = (0.7f*0xffff);\n" + " c->m_batchIdx = pairIndex;\n" + " int bodyA = concavePairsIn[pairIndex].x;\n" + " int bodyB = concavePairsIn[pairIndex].y;\n" + " c->m_bodyAPtrAndSignBit = rigidBodies[bodyA].m_invMass==0?-bodyA:bodyA;\n" + " c->m_bodyBPtrAndSignBit = rigidBodies[bodyB].m_invMass==0?-bodyB:bodyB;\n" + " c->m_childIndexA = childShapeIndexA;\n" + " c->m_childIndexB = childShapeIndexB;\n" + " for (int i=0;i<nReducedContacts;i++)\n" + " {\n" + " c->m_worldPosB[i] = pointsIn[contactIdx[i]];\n" + " }\n" + " GET_NPOINTS(*c) = nReducedContacts;\n" + " }\n" + " \n" + " }// if (numContactsOut>0)\n" + " }// if (i<numPairs)\n" + "}\n" + "int findClippingFaces(const float4 separatingNormal,\n" + " __global const b3ConvexPolyhedronData_t* hullA, __global const b3ConvexPolyhedronData_t* hullB,\n" + " const float4 posA, const Quaternion ornA,const float4 posB, const Quaternion ornB,\n" + " __global float4* worldVertsA1,\n" + " __global float4* worldNormalsA1,\n" + " __global float4* worldVertsB1,\n" + " int capacityWorldVerts,\n" + " const float minDist, float maxDist,\n" + " __global const float4* vertices,\n" + " __global const b3GpuFace_t* faces,\n" + " __global const int* indices,\n" + " __global int4* clippingFaces, int pairIndex)\n" + "{\n" + " int numContactsOut = 0;\n" + " int numWorldVertsB1= 0;\n" + " \n" + " \n" + " int closestFaceB=-1;\n" + " float dmax = -FLT_MAX;\n" + " \n" + " {\n" + " for(int face=0;face<hullB->m_numFaces;face++)\n" + " {\n" + " const float4 Normal = make_float4(faces[hullB->m_faceOffset+face].m_plane.x,\n" + " faces[hullB->m_faceOffset+face].m_plane.y, faces[hullB->m_faceOffset+face].m_plane.z,0.f);\n" + " const float4 WorldNormal = qtRotate(ornB, Normal);\n" + " float d = dot3F4(WorldNormal,separatingNormal);\n" + " if (d > dmax)\n" + " {\n" + " dmax = d;\n" + " closestFaceB = face;\n" + " }\n" + " }\n" + " }\n" + " \n" + " {\n" + " const b3GpuFace_t polyB = faces[hullB->m_faceOffset+closestFaceB];\n" + " const int numVertices = polyB.m_numIndices;\n" + " for(int e0=0;e0<numVertices;e0++)\n" + " {\n" + " const float4 b = vertices[hullB->m_vertexOffset+indices[polyB.m_indexOffset+e0]];\n" + " worldVertsB1[pairIndex*capacityWorldVerts+numWorldVertsB1++] = transform(&b,&posB,&ornB);\n" + " }\n" + " }\n" + " \n" + " int closestFaceA=-1;\n" + " {\n" + " float dmin = FLT_MAX;\n" + " for(int face=0;face<hullA->m_numFaces;face++)\n" + " {\n" + " const float4 Normal = make_float4(\n" + " faces[hullA->m_faceOffset+face].m_plane.x,\n" + " faces[hullA->m_faceOffset+face].m_plane.y,\n" + " faces[hullA->m_faceOffset+face].m_plane.z,\n" + " 0.f);\n" + " const float4 faceANormalWS = qtRotate(ornA,Normal);\n" + " \n" + " float d = dot3F4(faceANormalWS,separatingNormal);\n" + " if (d < dmin)\n" + " {\n" + " dmin = d;\n" + " closestFaceA = face;\n" + " worldNormalsA1[pairIndex] = faceANormalWS;\n" + " }\n" + " }\n" + " }\n" + " \n" + " int numVerticesA = faces[hullA->m_faceOffset+closestFaceA].m_numIndices;\n" + " for(int e0=0;e0<numVerticesA;e0++)\n" + " {\n" + " const float4 a = vertices[hullA->m_vertexOffset+indices[faces[hullA->m_faceOffset+closestFaceA].m_indexOffset+e0]];\n" + " worldVertsA1[pairIndex*capacityWorldVerts+e0] = transform(&a, &posA,&ornA);\n" + " }\n" + " \n" + " clippingFaces[pairIndex].x = closestFaceA;\n" + " clippingFaces[pairIndex].y = closestFaceB;\n" + " clippingFaces[pairIndex].z = numVerticesA;\n" + " clippingFaces[pairIndex].w = numWorldVertsB1;\n" + " \n" + " \n" + " return numContactsOut;\n" + "}\n" + "int clipFaces(__global float4* worldVertsA1,\n" + " __global float4* worldNormalsA1,\n" + " __global float4* worldVertsB1,\n" + " __global float4* worldVertsB2, \n" + " int capacityWorldVertsB2,\n" + " const float minDist, float maxDist,\n" + " __global int4* clippingFaces,\n" + " int pairIndex)\n" + "{\n" + " int numContactsOut = 0;\n" + " \n" + " int closestFaceA = clippingFaces[pairIndex].x;\n" + " int closestFaceB = clippingFaces[pairIndex].y;\n" + " int numVertsInA = clippingFaces[pairIndex].z;\n" + " int numVertsInB = clippingFaces[pairIndex].w;\n" + " \n" + " int numVertsOut = 0;\n" + " \n" + " if (closestFaceA<0)\n" + " return numContactsOut;\n" + " \n" + " __global float4* pVtxIn = &worldVertsB1[pairIndex*capacityWorldVertsB2];\n" + " __global float4* pVtxOut = &worldVertsB2[pairIndex*capacityWorldVertsB2];\n" + " \n" + " \n" + " \n" + " // clip polygon to back of planes of all faces of hull A that are adjacent to witness face\n" + " \n" + " for(int e0=0;e0<numVertsInA;e0++)\n" + " {\n" + " const float4 aw = worldVertsA1[pairIndex*capacityWorldVertsB2+e0];\n" + " const float4 bw = worldVertsA1[pairIndex*capacityWorldVertsB2+((e0+1)%numVertsInA)];\n" + " const float4 WorldEdge0 = aw - bw;\n" + " float4 worldPlaneAnormal1 = worldNormalsA1[pairIndex];\n" + " float4 planeNormalWS1 = -cross3(WorldEdge0,worldPlaneAnormal1);\n" + " float4 worldA1 = aw;\n" + " float planeEqWS1 = -dot3F4(worldA1,planeNormalWS1);\n" + " float4 planeNormalWS = planeNormalWS1;\n" + " float planeEqWS=planeEqWS1;\n" + " numVertsOut = clipFaceGlobal(pVtxIn, numVertsInB, planeNormalWS,planeEqWS, pVtxOut);\n" + " __global float4* tmp = pVtxOut;\n" + " pVtxOut = pVtxIn;\n" + " pVtxIn = tmp;\n" + " numVertsInB = numVertsOut;\n" + " numVertsOut = 0;\n" + " }\n" + " \n" + " //float4 planeNormalWS = worldNormalsA1[pairIndex];\n" + " //float planeEqWS=-dot3F4(planeNormalWS,worldVertsA1[pairIndex*capacityWorldVertsB2]);\n" + " \n" + " /*for (int i=0;i<numVertsInB;i++)\n" + " {\n" + " pVtxOut[i] = pVtxIn[i];\n" + " }*/\n" + " \n" + " \n" + " \n" + " \n" + " //numVertsInB=0;\n" + " \n" + " float4 planeNormalWS = worldNormalsA1[pairIndex];\n" + " float planeEqWS=-dot3F4(planeNormalWS,worldVertsA1[pairIndex*capacityWorldVertsB2]);\n" + " for (int i=0;i<numVertsInB;i++)\n" + " {\n" + " float depth = dot3F4(planeNormalWS,pVtxIn[i])+planeEqWS;\n" + " if (depth <=minDist)\n" + " {\n" + " depth = minDist;\n" + " }\n" + " \n" + " if (depth <=maxDist)\n" + " {\n" + " float4 pointInWorld = pVtxIn[i];\n" + " pVtxOut[numContactsOut++] = make_float4(pointInWorld.x,pointInWorld.y,pointInWorld.z,depth);\n" + " }\n" + " }\n" + " \n" + " clippingFaces[pairIndex].w =numContactsOut;\n" + " \n" + " \n" + " return numContactsOut;\n" + "}\n" + "__kernel void findClippingFacesKernel( __global const int4* pairs,\n" + " __global const b3RigidBodyData_t* rigidBodies,\n" + " __global const b3Collidable_t* collidables,\n" + " __global const b3ConvexPolyhedronData_t* convexShapes,\n" + " __global const float4* vertices,\n" + " __global const float4* uniqueEdges,\n" + " __global const b3GpuFace_t* faces,\n" + " __global const int* indices,\n" + " __global const float4* separatingNormals,\n" + " __global const int* hasSeparatingAxis,\n" + " __global int4* clippingFacesOut,\n" + " __global float4* worldVertsA1,\n" + " __global float4* worldNormalsA1,\n" + " __global float4* worldVertsB1,\n" + " int capacityWorldVerts,\n" + " int numPairs\n" + " )\n" + "{\n" + " \n" + " int i = get_global_id(0);\n" + " int pairIndex = i;\n" + " \n" + " \n" + " float minDist = -1e30f;\n" + " float maxDist = 0.02f;\n" + " \n" + " if (i<numPairs)\n" + " {\n" + " \n" + " if (hasSeparatingAxis[i])\n" + " {\n" + " \n" + " int bodyIndexA = pairs[i].x;\n" + " int bodyIndexB = pairs[i].y;\n" + " \n" + " int collidableIndexA = rigidBodies[bodyIndexA].m_collidableIdx;\n" + " int collidableIndexB = rigidBodies[bodyIndexB].m_collidableIdx;\n" + " \n" + " int shapeIndexA = collidables[collidableIndexA].m_shapeIndex;\n" + " int shapeIndexB = collidables[collidableIndexB].m_shapeIndex;\n" + " \n" + " \n" + " \n" + " int numLocalContactsOut = findClippingFaces(separatingNormals[i],\n" + " &convexShapes[shapeIndexA], &convexShapes[shapeIndexB],\n" + " rigidBodies[bodyIndexA].m_pos,rigidBodies[bodyIndexA].m_quat,\n" + " rigidBodies[bodyIndexB].m_pos,rigidBodies[bodyIndexB].m_quat,\n" + " worldVertsA1,\n" + " worldNormalsA1,\n" + " worldVertsB1,capacityWorldVerts,\n" + " minDist, maxDist,\n" + " vertices,faces,indices,\n" + " clippingFacesOut,i);\n" + " \n" + " \n" + " }// if (hasSeparatingAxis[i])\n" + " }// if (i<numPairs)\n" + " \n" + "}\n" + "__kernel void clipFacesAndFindContactsKernel( __global const float4* separatingNormals,\n" + " __global const int* hasSeparatingAxis,\n" + " __global int4* clippingFacesOut,\n" + " __global float4* worldVertsA1,\n" + " __global float4* worldNormalsA1,\n" + " __global float4* worldVertsB1,\n" + " __global float4* worldVertsB2,\n" + " int vertexFaceCapacity,\n" + " int numPairs,\n" + " int debugMode\n" + " )\n" + "{\n" + " int i = get_global_id(0);\n" + " int pairIndex = i;\n" + " \n" + " \n" + " float minDist = -1e30f;\n" + " float maxDist = 0.02f;\n" + " \n" + " if (i<numPairs)\n" + " {\n" + " \n" + " if (hasSeparatingAxis[i])\n" + " {\n" + " \n" + "// int bodyIndexA = pairs[i].x;\n" + " // int bodyIndexB = pairs[i].y;\n" + " \n" + " int numLocalContactsOut = 0;\n" + " int capacityWorldVertsB2 = vertexFaceCapacity;\n" + " \n" + " __global float4* pVtxIn = &worldVertsB1[pairIndex*capacityWorldVertsB2];\n" + " __global float4* pVtxOut = &worldVertsB2[pairIndex*capacityWorldVertsB2];\n" + " \n" + " {\n" + " __global int4* clippingFaces = clippingFacesOut;\n" + " \n" + " \n" + " int closestFaceA = clippingFaces[pairIndex].x;\n" + " int closestFaceB = clippingFaces[pairIndex].y;\n" + " int numVertsInA = clippingFaces[pairIndex].z;\n" + " int numVertsInB = clippingFaces[pairIndex].w;\n" + " \n" + " int numVertsOut = 0;\n" + " \n" + " if (closestFaceA>=0)\n" + " {\n" + " \n" + " \n" + " \n" + " // clip polygon to back of planes of all faces of hull A that are adjacent to witness face\n" + " \n" + " for(int e0=0;e0<numVertsInA;e0++)\n" + " {\n" + " const float4 aw = worldVertsA1[pairIndex*capacityWorldVertsB2+e0];\n" + " const float4 bw = worldVertsA1[pairIndex*capacityWorldVertsB2+((e0+1)%numVertsInA)];\n" + " const float4 WorldEdge0 = aw - bw;\n" + " float4 worldPlaneAnormal1 = worldNormalsA1[pairIndex];\n" + " float4 planeNormalWS1 = -cross3(WorldEdge0,worldPlaneAnormal1);\n" + " float4 worldA1 = aw;\n" + " float planeEqWS1 = -dot3F4(worldA1,planeNormalWS1);\n" + " float4 planeNormalWS = planeNormalWS1;\n" + " float planeEqWS=planeEqWS1;\n" + " numVertsOut = clipFaceGlobal(pVtxIn, numVertsInB, planeNormalWS,planeEqWS, pVtxOut);\n" + " __global float4* tmp = pVtxOut;\n" + " pVtxOut = pVtxIn;\n" + " pVtxIn = tmp;\n" + " numVertsInB = numVertsOut;\n" + " numVertsOut = 0;\n" + " }\n" + " \n" + " float4 planeNormalWS = worldNormalsA1[pairIndex];\n" + " float planeEqWS=-dot3F4(planeNormalWS,worldVertsA1[pairIndex*capacityWorldVertsB2]);\n" + " \n" + " for (int i=0;i<numVertsInB;i++)\n" + " {\n" + " float depth = dot3F4(planeNormalWS,pVtxIn[i])+planeEqWS;\n" + " if (depth <=minDist)\n" + " {\n" + " depth = minDist;\n" + " }\n" + " \n" + " if (depth <=maxDist)\n" + " {\n" + " float4 pointInWorld = pVtxIn[i];\n" + " pVtxOut[numLocalContactsOut++] = make_float4(pointInWorld.x,pointInWorld.y,pointInWorld.z,depth);\n" + " }\n" + " }\n" + " \n" + " }\n" + " clippingFaces[pairIndex].w =numLocalContactsOut;\n" + " \n" + " }\n" + " \n" + " for (int i=0;i<numLocalContactsOut;i++)\n" + " pVtxIn[i] = pVtxOut[i];\n" + " \n" + " }// if (hasSeparatingAxis[i])\n" + " }// if (i<numPairs)\n" + " \n" + "}\n" + "__kernel void newContactReductionKernel( __global int4* pairs,\n" + " __global const b3RigidBodyData_t* rigidBodies,\n" + " __global const float4* separatingNormals,\n" + " __global const int* hasSeparatingAxis,\n" + " __global struct b3Contact4Data* globalContactsOut,\n" + " __global int4* clippingFaces,\n" + " __global float4* worldVertsB2,\n" + " volatile __global int* nGlobalContactsOut,\n" + " int vertexFaceCapacity,\n" + " int contactCapacity,\n" + " int numPairs\n" + " )\n" + "{\n" + " int i = get_global_id(0);\n" + " int pairIndex = i;\n" + " \n" + " int4 contactIdx;\n" + " contactIdx=make_int4(0,1,2,3);\n" + " \n" + " if (i<numPairs)\n" + " {\n" + " \n" + " if (hasSeparatingAxis[i])\n" + " {\n" + " \n" + " \n" + " \n" + " \n" + " int nPoints = clippingFaces[pairIndex].w;\n" + " \n" + " if (nPoints>0)\n" + " {\n" + " __global float4* pointsIn = &worldVertsB2[pairIndex*vertexFaceCapacity];\n" + " float4 normal = -separatingNormals[i];\n" + " \n" + " int nReducedContacts = extractManifoldSequentialGlobal(pointsIn, nPoints, normal, &contactIdx);\n" + " \n" + " int mprContactIndex = pairs[pairIndex].z;\n" + " int dstIdx = mprContactIndex;\n" + " if (dstIdx<0)\n" + " {\n" + " AppendInc( nGlobalContactsOut, dstIdx );\n" + " }\n" + "//#if 0\n" + " \n" + " if (dstIdx < contactCapacity)\n" + " {\n" + " __global struct b3Contact4Data* c = &globalContactsOut[dstIdx];\n" + " c->m_worldNormalOnB = -normal;\n" + " c->m_restituitionCoeffCmp = (0.f*0xffff);c->m_frictionCoeffCmp = (0.7f*0xffff);\n" + " c->m_batchIdx = pairIndex;\n" + " int bodyA = pairs[pairIndex].x;\n" + " int bodyB = pairs[pairIndex].y;\n" + " pairs[pairIndex].w = dstIdx;\n" + " c->m_bodyAPtrAndSignBit = rigidBodies[bodyA].m_invMass==0?-bodyA:bodyA;\n" + " c->m_bodyBPtrAndSignBit = rigidBodies[bodyB].m_invMass==0?-bodyB:bodyB;\n" + " c->m_childIndexA =-1;\n" + " c->m_childIndexB =-1;\n" + " switch (nReducedContacts)\n" + " {\n" + " case 4:\n" + " c->m_worldPosB[3] = pointsIn[contactIdx.w];\n" + " case 3:\n" + " c->m_worldPosB[2] = pointsIn[contactIdx.z];\n" + " case 2:\n" + " c->m_worldPosB[1] = pointsIn[contactIdx.y];\n" + " case 1:\n" + " if (mprContactIndex<0)//test\n" + " c->m_worldPosB[0] = pointsIn[contactIdx.x];\n" + " default:\n" + " {\n" + " }\n" + " };\n" + " \n" + " GET_NPOINTS(*c) = nReducedContacts;\n" + " \n" + " }\n" + " \n" + " \n" + "//#endif\n" + " \n" + " }// if (numContactsOut>0)\n" + " }// if (hasSeparatingAxis[i])\n" + " }// if (i<numPairs)\n" + " \n" + " \n" + "}\n"; diff --git a/thirdparty/bullet/Bullet3OpenCL/NarrowphaseCollision/kernels/satConcaveKernels.h b/thirdparty/bullet/Bullet3OpenCL/NarrowphaseCollision/kernels/satConcaveKernels.h index 611569cacf..a60702ca62 100644 --- a/thirdparty/bullet/Bullet3OpenCL/NarrowphaseCollision/kernels/satConcaveKernels.h +++ b/thirdparty/bullet/Bullet3OpenCL/NarrowphaseCollision/kernels/satConcaveKernels.h @@ -1,1457 +1,1456 @@ //this file is autogenerated using stringify.bat (premake --stringify) in the build folder of this project -static const char* satConcaveKernelsCL= \ -"//keep this enum in sync with the CPU version (in btCollidable.h)\n" -"//written by Erwin Coumans\n" -"#define SHAPE_CONVEX_HULL 3\n" -"#define SHAPE_CONCAVE_TRIMESH 5\n" -"#define TRIANGLE_NUM_CONVEX_FACES 5\n" -"#define SHAPE_COMPOUND_OF_CONVEX_HULLS 6\n" -"#define B3_MAX_STACK_DEPTH 256\n" -"typedef unsigned int u32;\n" -"///keep this in sync with btCollidable.h\n" -"typedef struct\n" -"{\n" -" union {\n" -" int m_numChildShapes;\n" -" int m_bvhIndex;\n" -" };\n" -" union\n" -" {\n" -" float m_radius;\n" -" int m_compoundBvhIndex;\n" -" };\n" -" \n" -" int m_shapeType;\n" -" int m_shapeIndex;\n" -" \n" -"} btCollidableGpu;\n" -"#define MAX_NUM_PARTS_IN_BITS 10\n" -"///b3QuantizedBvhNode is a compressed aabb node, 16 bytes.\n" -"///Node can be used for leafnode or internal node. Leafnodes can point to 32-bit triangle index (non-negative range).\n" -"typedef struct\n" -"{\n" -" //12 bytes\n" -" unsigned short int m_quantizedAabbMin[3];\n" -" unsigned short int m_quantizedAabbMax[3];\n" -" //4 bytes\n" -" int m_escapeIndexOrTriangleIndex;\n" -"} b3QuantizedBvhNode;\n" -"typedef struct\n" -"{\n" -" float4 m_aabbMin;\n" -" float4 m_aabbMax;\n" -" float4 m_quantization;\n" -" int m_numNodes;\n" -" int m_numSubTrees;\n" -" int m_nodeOffset;\n" -" int m_subTreeOffset;\n" -"} b3BvhInfo;\n" -"int getTriangleIndex(const b3QuantizedBvhNode* rootNode)\n" -"{\n" -" unsigned int x=0;\n" -" unsigned int y = (~(x&0))<<(31-MAX_NUM_PARTS_IN_BITS);\n" -" // Get only the lower bits where the triangle index is stored\n" -" return (rootNode->m_escapeIndexOrTriangleIndex&~(y));\n" -"}\n" -"int getTriangleIndexGlobal(__global const b3QuantizedBvhNode* rootNode)\n" -"{\n" -" unsigned int x=0;\n" -" unsigned int y = (~(x&0))<<(31-MAX_NUM_PARTS_IN_BITS);\n" -" // Get only the lower bits where the triangle index is stored\n" -" return (rootNode->m_escapeIndexOrTriangleIndex&~(y));\n" -"}\n" -"int isLeafNode(const b3QuantizedBvhNode* rootNode)\n" -"{\n" -" //skipindex is negative (internal node), triangleindex >=0 (leafnode)\n" -" return (rootNode->m_escapeIndexOrTriangleIndex >= 0)? 1 : 0;\n" -"}\n" -"int isLeafNodeGlobal(__global const b3QuantizedBvhNode* rootNode)\n" -"{\n" -" //skipindex is negative (internal node), triangleindex >=0 (leafnode)\n" -" return (rootNode->m_escapeIndexOrTriangleIndex >= 0)? 1 : 0;\n" -"}\n" -" \n" -"int getEscapeIndex(const b3QuantizedBvhNode* rootNode)\n" -"{\n" -" return -rootNode->m_escapeIndexOrTriangleIndex;\n" -"}\n" -"int getEscapeIndexGlobal(__global const b3QuantizedBvhNode* rootNode)\n" -"{\n" -" return -rootNode->m_escapeIndexOrTriangleIndex;\n" -"}\n" -"typedef struct\n" -"{\n" -" //12 bytes\n" -" unsigned short int m_quantizedAabbMin[3];\n" -" unsigned short int m_quantizedAabbMax[3];\n" -" //4 bytes, points to the root of the subtree\n" -" int m_rootNodeIndex;\n" -" //4 bytes\n" -" int m_subtreeSize;\n" -" int m_padding[3];\n" -"} b3BvhSubtreeInfo;\n" -"typedef struct\n" -"{\n" -" float4 m_childPosition;\n" -" float4 m_childOrientation;\n" -" int m_shapeIndex;\n" -" int m_unused0;\n" -" int m_unused1;\n" -" int m_unused2;\n" -"} btGpuChildShape;\n" -"typedef struct\n" -"{\n" -" float4 m_pos;\n" -" float4 m_quat;\n" -" float4 m_linVel;\n" -" float4 m_angVel;\n" -" u32 m_collidableIdx;\n" -" float m_invMass;\n" -" float m_restituitionCoeff;\n" -" float m_frictionCoeff;\n" -"} BodyData;\n" -"typedef struct \n" -"{\n" -" float4 m_localCenter;\n" -" float4 m_extents;\n" -" float4 mC;\n" -" float4 mE;\n" -" \n" -" float m_radius;\n" -" int m_faceOffset;\n" -" int m_numFaces;\n" -" int m_numVertices;\n" -" int m_vertexOffset;\n" -" int m_uniqueEdgesOffset;\n" -" int m_numUniqueEdges;\n" -" int m_unused;\n" -"} ConvexPolyhedronCL;\n" -"typedef struct \n" -"{\n" -" union\n" -" {\n" -" float4 m_min;\n" -" float m_minElems[4];\n" -" int m_minIndices[4];\n" -" };\n" -" union\n" -" {\n" -" float4 m_max;\n" -" float m_maxElems[4];\n" -" int m_maxIndices[4];\n" -" };\n" -"} btAabbCL;\n" -"#ifndef B3_AABB_H\n" -"#define B3_AABB_H\n" -"#ifndef B3_FLOAT4_H\n" -"#define B3_FLOAT4_H\n" -"#ifndef B3_PLATFORM_DEFINITIONS_H\n" -"#define B3_PLATFORM_DEFINITIONS_H\n" -"struct MyTest\n" -"{\n" -" int bla;\n" -"};\n" -"#ifdef __cplusplus\n" -"#else\n" -"//keep B3_LARGE_FLOAT*B3_LARGE_FLOAT < FLT_MAX\n" -"#define B3_LARGE_FLOAT 1e18f\n" -"#define B3_INFINITY 1e18f\n" -"#define b3Assert(a)\n" -"#define b3ConstArray(a) __global const a*\n" -"#define b3AtomicInc atomic_inc\n" -"#define b3AtomicAdd atomic_add\n" -"#define b3Fabs fabs\n" -"#define b3Sqrt native_sqrt\n" -"#define b3Sin native_sin\n" -"#define b3Cos native_cos\n" -"#define B3_STATIC\n" -"#endif\n" -"#endif\n" -"#ifdef __cplusplus\n" -"#else\n" -" typedef float4 b3Float4;\n" -" #define b3Float4ConstArg const b3Float4\n" -" #define b3MakeFloat4 (float4)\n" -" float b3Dot3F4(b3Float4ConstArg v0,b3Float4ConstArg v1)\n" -" {\n" -" float4 a1 = b3MakeFloat4(v0.xyz,0.f);\n" -" float4 b1 = b3MakeFloat4(v1.xyz,0.f);\n" -" return dot(a1, b1);\n" -" }\n" -" b3Float4 b3Cross3(b3Float4ConstArg v0,b3Float4ConstArg v1)\n" -" {\n" -" float4 a1 = b3MakeFloat4(v0.xyz,0.f);\n" -" float4 b1 = b3MakeFloat4(v1.xyz,0.f);\n" -" return cross(a1, b1);\n" -" }\n" -" #define b3MinFloat4 min\n" -" #define b3MaxFloat4 max\n" -" #define b3Normalized(a) normalize(a)\n" -"#endif \n" -" \n" -"inline bool b3IsAlmostZero(b3Float4ConstArg v)\n" -"{\n" -" if(b3Fabs(v.x)>1e-6 || b3Fabs(v.y)>1e-6 || b3Fabs(v.z)>1e-6) \n" -" return false;\n" -" return true;\n" -"}\n" -"inline int b3MaxDot( b3Float4ConstArg vec, __global const b3Float4* vecArray, int vecLen, float* dotOut )\n" -"{\n" -" float maxDot = -B3_INFINITY;\n" -" int i = 0;\n" -" int ptIndex = -1;\n" -" for( i = 0; i < vecLen; i++ )\n" -" {\n" -" float dot = b3Dot3F4(vecArray[i],vec);\n" -" \n" -" if( dot > maxDot )\n" -" {\n" -" maxDot = dot;\n" -" ptIndex = i;\n" -" }\n" -" }\n" -" b3Assert(ptIndex>=0);\n" -" if (ptIndex<0)\n" -" {\n" -" ptIndex = 0;\n" -" }\n" -" *dotOut = maxDot;\n" -" return ptIndex;\n" -"}\n" -"#endif //B3_FLOAT4_H\n" -"#ifndef B3_MAT3x3_H\n" -"#define B3_MAT3x3_H\n" -"#ifndef B3_QUAT_H\n" -"#define B3_QUAT_H\n" -"#ifndef B3_PLATFORM_DEFINITIONS_H\n" -"#ifdef __cplusplus\n" -"#else\n" -"#endif\n" -"#endif\n" -"#ifndef B3_FLOAT4_H\n" -"#ifdef __cplusplus\n" -"#else\n" -"#endif \n" -"#endif //B3_FLOAT4_H\n" -"#ifdef __cplusplus\n" -"#else\n" -" typedef float4 b3Quat;\n" -" #define b3QuatConstArg const b3Quat\n" -" \n" -" \n" -"inline float4 b3FastNormalize4(float4 v)\n" -"{\n" -" v = (float4)(v.xyz,0.f);\n" -" return fast_normalize(v);\n" -"}\n" -" \n" -"inline b3Quat b3QuatMul(b3Quat a, b3Quat b);\n" -"inline b3Quat b3QuatNormalized(b3QuatConstArg in);\n" -"inline b3Quat b3QuatRotate(b3QuatConstArg q, b3QuatConstArg vec);\n" -"inline b3Quat b3QuatInvert(b3QuatConstArg q);\n" -"inline b3Quat b3QuatInverse(b3QuatConstArg q);\n" -"inline b3Quat b3QuatMul(b3QuatConstArg a, b3QuatConstArg b)\n" -"{\n" -" b3Quat ans;\n" -" ans = b3Cross3( a, b );\n" -" ans += a.w*b+b.w*a;\n" -"// ans.w = a.w*b.w - (a.x*b.x+a.y*b.y+a.z*b.z);\n" -" ans.w = a.w*b.w - b3Dot3F4(a, b);\n" -" return ans;\n" -"}\n" -"inline b3Quat b3QuatNormalized(b3QuatConstArg in)\n" -"{\n" -" b3Quat q;\n" -" q=in;\n" -" //return b3FastNormalize4(in);\n" -" float len = native_sqrt(dot(q, q));\n" -" if(len > 0.f)\n" -" {\n" -" q *= 1.f / len;\n" -" }\n" -" else\n" -" {\n" -" q.x = q.y = q.z = 0.f;\n" -" q.w = 1.f;\n" -" }\n" -" return q;\n" -"}\n" -"inline float4 b3QuatRotate(b3QuatConstArg q, b3QuatConstArg vec)\n" -"{\n" -" b3Quat qInv = b3QuatInvert( q );\n" -" float4 vcpy = vec;\n" -" vcpy.w = 0.f;\n" -" float4 out = b3QuatMul(b3QuatMul(q,vcpy),qInv);\n" -" return out;\n" -"}\n" -"inline b3Quat b3QuatInverse(b3QuatConstArg q)\n" -"{\n" -" return (b3Quat)(-q.xyz, q.w);\n" -"}\n" -"inline b3Quat b3QuatInvert(b3QuatConstArg q)\n" -"{\n" -" return (b3Quat)(-q.xyz, q.w);\n" -"}\n" -"inline float4 b3QuatInvRotate(b3QuatConstArg q, b3QuatConstArg vec)\n" -"{\n" -" return b3QuatRotate( b3QuatInvert( q ), vec );\n" -"}\n" -"inline b3Float4 b3TransformPoint(b3Float4ConstArg point, b3Float4ConstArg translation, b3QuatConstArg orientation)\n" -"{\n" -" return b3QuatRotate( orientation, point ) + (translation);\n" -"}\n" -" \n" -"#endif \n" -"#endif //B3_QUAT_H\n" -"#ifdef __cplusplus\n" -"#else\n" -"typedef struct\n" -"{\n" -" b3Float4 m_row[3];\n" -"}b3Mat3x3;\n" -"#define b3Mat3x3ConstArg const b3Mat3x3\n" -"#define b3GetRow(m,row) (m.m_row[row])\n" -"inline b3Mat3x3 b3QuatGetRotationMatrix(b3Quat quat)\n" -"{\n" -" b3Float4 quat2 = (b3Float4)(quat.x*quat.x, quat.y*quat.y, quat.z*quat.z, 0.f);\n" -" b3Mat3x3 out;\n" -" out.m_row[0].x=1-2*quat2.y-2*quat2.z;\n" -" out.m_row[0].y=2*quat.x*quat.y-2*quat.w*quat.z;\n" -" out.m_row[0].z=2*quat.x*quat.z+2*quat.w*quat.y;\n" -" out.m_row[0].w = 0.f;\n" -" out.m_row[1].x=2*quat.x*quat.y+2*quat.w*quat.z;\n" -" out.m_row[1].y=1-2*quat2.x-2*quat2.z;\n" -" out.m_row[1].z=2*quat.y*quat.z-2*quat.w*quat.x;\n" -" out.m_row[1].w = 0.f;\n" -" out.m_row[2].x=2*quat.x*quat.z-2*quat.w*quat.y;\n" -" out.m_row[2].y=2*quat.y*quat.z+2*quat.w*quat.x;\n" -" out.m_row[2].z=1-2*quat2.x-2*quat2.y;\n" -" out.m_row[2].w = 0.f;\n" -" return out;\n" -"}\n" -"inline b3Mat3x3 b3AbsoluteMat3x3(b3Mat3x3ConstArg matIn)\n" -"{\n" -" b3Mat3x3 out;\n" -" out.m_row[0] = fabs(matIn.m_row[0]);\n" -" out.m_row[1] = fabs(matIn.m_row[1]);\n" -" out.m_row[2] = fabs(matIn.m_row[2]);\n" -" return out;\n" -"}\n" -"__inline\n" -"b3Mat3x3 mtZero();\n" -"__inline\n" -"b3Mat3x3 mtIdentity();\n" -"__inline\n" -"b3Mat3x3 mtTranspose(b3Mat3x3 m);\n" -"__inline\n" -"b3Mat3x3 mtMul(b3Mat3x3 a, b3Mat3x3 b);\n" -"__inline\n" -"b3Float4 mtMul1(b3Mat3x3 a, b3Float4 b);\n" -"__inline\n" -"b3Float4 mtMul3(b3Float4 a, b3Mat3x3 b);\n" -"__inline\n" -"b3Mat3x3 mtZero()\n" -"{\n" -" b3Mat3x3 m;\n" -" m.m_row[0] = (b3Float4)(0.f);\n" -" m.m_row[1] = (b3Float4)(0.f);\n" -" m.m_row[2] = (b3Float4)(0.f);\n" -" return m;\n" -"}\n" -"__inline\n" -"b3Mat3x3 mtIdentity()\n" -"{\n" -" b3Mat3x3 m;\n" -" m.m_row[0] = (b3Float4)(1,0,0,0);\n" -" m.m_row[1] = (b3Float4)(0,1,0,0);\n" -" m.m_row[2] = (b3Float4)(0,0,1,0);\n" -" return m;\n" -"}\n" -"__inline\n" -"b3Mat3x3 mtTranspose(b3Mat3x3 m)\n" -"{\n" -" b3Mat3x3 out;\n" -" out.m_row[0] = (b3Float4)(m.m_row[0].x, m.m_row[1].x, m.m_row[2].x, 0.f);\n" -" out.m_row[1] = (b3Float4)(m.m_row[0].y, m.m_row[1].y, m.m_row[2].y, 0.f);\n" -" out.m_row[2] = (b3Float4)(m.m_row[0].z, m.m_row[1].z, m.m_row[2].z, 0.f);\n" -" return out;\n" -"}\n" -"__inline\n" -"b3Mat3x3 mtMul(b3Mat3x3 a, b3Mat3x3 b)\n" -"{\n" -" b3Mat3x3 transB;\n" -" transB = mtTranspose( b );\n" -" b3Mat3x3 ans;\n" -" // why this doesn't run when 0ing in the for{}\n" -" a.m_row[0].w = 0.f;\n" -" a.m_row[1].w = 0.f;\n" -" a.m_row[2].w = 0.f;\n" -" for(int i=0; i<3; i++)\n" -" {\n" -"// a.m_row[i].w = 0.f;\n" -" ans.m_row[i].x = b3Dot3F4(a.m_row[i],transB.m_row[0]);\n" -" ans.m_row[i].y = b3Dot3F4(a.m_row[i],transB.m_row[1]);\n" -" ans.m_row[i].z = b3Dot3F4(a.m_row[i],transB.m_row[2]);\n" -" ans.m_row[i].w = 0.f;\n" -" }\n" -" return ans;\n" -"}\n" -"__inline\n" -"b3Float4 mtMul1(b3Mat3x3 a, b3Float4 b)\n" -"{\n" -" b3Float4 ans;\n" -" ans.x = b3Dot3F4( a.m_row[0], b );\n" -" ans.y = b3Dot3F4( a.m_row[1], b );\n" -" ans.z = b3Dot3F4( a.m_row[2], b );\n" -" ans.w = 0.f;\n" -" return ans;\n" -"}\n" -"__inline\n" -"b3Float4 mtMul3(b3Float4 a, b3Mat3x3 b)\n" -"{\n" -" b3Float4 colx = b3MakeFloat4(b.m_row[0].x, b.m_row[1].x, b.m_row[2].x, 0);\n" -" b3Float4 coly = b3MakeFloat4(b.m_row[0].y, b.m_row[1].y, b.m_row[2].y, 0);\n" -" b3Float4 colz = b3MakeFloat4(b.m_row[0].z, b.m_row[1].z, b.m_row[2].z, 0);\n" -" b3Float4 ans;\n" -" ans.x = b3Dot3F4( a, colx );\n" -" ans.y = b3Dot3F4( a, coly );\n" -" ans.z = b3Dot3F4( a, colz );\n" -" return ans;\n" -"}\n" -"#endif\n" -"#endif //B3_MAT3x3_H\n" -"typedef struct b3Aabb b3Aabb_t;\n" -"struct b3Aabb\n" -"{\n" -" union\n" -" {\n" -" float m_min[4];\n" -" b3Float4 m_minVec;\n" -" int m_minIndices[4];\n" -" };\n" -" union\n" -" {\n" -" float m_max[4];\n" -" b3Float4 m_maxVec;\n" -" int m_signedMaxIndices[4];\n" -" };\n" -"};\n" -"inline void b3TransformAabb2(b3Float4ConstArg localAabbMin,b3Float4ConstArg localAabbMax, float margin,\n" -" b3Float4ConstArg pos,\n" -" b3QuatConstArg orn,\n" -" b3Float4* aabbMinOut,b3Float4* aabbMaxOut)\n" -"{\n" -" b3Float4 localHalfExtents = 0.5f*(localAabbMax-localAabbMin);\n" -" localHalfExtents+=b3MakeFloat4(margin,margin,margin,0.f);\n" -" b3Float4 localCenter = 0.5f*(localAabbMax+localAabbMin);\n" -" b3Mat3x3 m;\n" -" m = b3QuatGetRotationMatrix(orn);\n" -" b3Mat3x3 abs_b = b3AbsoluteMat3x3(m);\n" -" b3Float4 center = b3TransformPoint(localCenter,pos,orn);\n" -" \n" -" b3Float4 extent = b3MakeFloat4(b3Dot3F4(localHalfExtents,b3GetRow(abs_b,0)),\n" -" b3Dot3F4(localHalfExtents,b3GetRow(abs_b,1)),\n" -" b3Dot3F4(localHalfExtents,b3GetRow(abs_b,2)),\n" -" 0.f);\n" -" *aabbMinOut = center-extent;\n" -" *aabbMaxOut = center+extent;\n" -"}\n" -"/// conservative test for overlap between two aabbs\n" -"inline bool b3TestAabbAgainstAabb(b3Float4ConstArg aabbMin1,b3Float4ConstArg aabbMax1,\n" -" b3Float4ConstArg aabbMin2, b3Float4ConstArg aabbMax2)\n" -"{\n" -" bool overlap = true;\n" -" overlap = (aabbMin1.x > aabbMax2.x || aabbMax1.x < aabbMin2.x) ? false : overlap;\n" -" overlap = (aabbMin1.z > aabbMax2.z || aabbMax1.z < aabbMin2.z) ? false : overlap;\n" -" overlap = (aabbMin1.y > aabbMax2.y || aabbMax1.y < aabbMin2.y) ? false : overlap;\n" -" return overlap;\n" -"}\n" -"#endif //B3_AABB_H\n" -"/*\n" -"Bullet Continuous Collision Detection and Physics Library\n" -"Copyright (c) 2003-2013 Erwin Coumans http://bulletphysics.org\n" -"This software is provided 'as-is', without any express or implied warranty.\n" -"In no event will the authors be held liable for any damages arising from the use of this software.\n" -"Permission is granted to anyone to use this software for any purpose,\n" -"including commercial applications, and to alter it and redistribute it freely,\n" -"subject to the following restrictions:\n" -"1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required.\n" -"2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.\n" -"3. This notice may not be removed or altered from any source distribution.\n" -"*/\n" -"#ifndef B3_INT2_H\n" -"#define B3_INT2_H\n" -"#ifdef __cplusplus\n" -"#else\n" -"#define b3UnsignedInt2 uint2\n" -"#define b3Int2 int2\n" -"#define b3MakeInt2 (int2)\n" -"#endif //__cplusplus\n" -"#endif\n" -"typedef struct\n" -"{\n" -" float4 m_plane;\n" -" int m_indexOffset;\n" -" int m_numIndices;\n" -"} btGpuFace;\n" -"#define make_float4 (float4)\n" -"__inline\n" -"float4 cross3(float4 a, float4 b)\n" -"{\n" -" return cross(a,b);\n" -" \n" -"// float4 a1 = make_float4(a.xyz,0.f);\n" -"// float4 b1 = make_float4(b.xyz,0.f);\n" -"// return cross(a1,b1);\n" -"//float4 c = make_float4(a.y*b.z - a.z*b.y,a.z*b.x - a.x*b.z,a.x*b.y - a.y*b.x,0.f);\n" -" \n" -" // float4 c = make_float4(a.y*b.z - a.z*b.y,1.f,a.x*b.y - a.y*b.x,0.f);\n" -" \n" -" //return c;\n" -"}\n" -"__inline\n" -"float dot3F4(float4 a, float4 b)\n" -"{\n" -" float4 a1 = make_float4(a.xyz,0.f);\n" -" float4 b1 = make_float4(b.xyz,0.f);\n" -" return dot(a1, b1);\n" -"}\n" -"__inline\n" -"float4 fastNormalize4(float4 v)\n" -"{\n" -" v = make_float4(v.xyz,0.f);\n" -" return fast_normalize(v);\n" -"}\n" -"///////////////////////////////////////\n" -"// Quaternion\n" -"///////////////////////////////////////\n" -"typedef float4 Quaternion;\n" -"__inline\n" -"Quaternion qtMul(Quaternion a, Quaternion b);\n" -"__inline\n" -"Quaternion qtNormalize(Quaternion in);\n" -"__inline\n" -"float4 qtRotate(Quaternion q, float4 vec);\n" -"__inline\n" -"Quaternion qtInvert(Quaternion q);\n" -"__inline\n" -"Quaternion qtMul(Quaternion a, Quaternion b)\n" -"{\n" -" Quaternion ans;\n" -" ans = cross3( a, b );\n" -" ans += a.w*b+b.w*a;\n" -"// ans.w = a.w*b.w - (a.x*b.x+a.y*b.y+a.z*b.z);\n" -" ans.w = a.w*b.w - dot3F4(a, b);\n" -" return ans;\n" -"}\n" -"__inline\n" -"Quaternion qtNormalize(Quaternion in)\n" -"{\n" -" return fastNormalize4(in);\n" -"// in /= length( in );\n" -"// return in;\n" -"}\n" -"__inline\n" -"float4 qtRotate(Quaternion q, float4 vec)\n" -"{\n" -" Quaternion qInv = qtInvert( q );\n" -" float4 vcpy = vec;\n" -" vcpy.w = 0.f;\n" -" float4 out = qtMul(qtMul(q,vcpy),qInv);\n" -" return out;\n" -"}\n" -"__inline\n" -"Quaternion qtInvert(Quaternion q)\n" -"{\n" -" return (Quaternion)(-q.xyz, q.w);\n" -"}\n" -"__inline\n" -"float4 qtInvRotate(const Quaternion q, float4 vec)\n" -"{\n" -" return qtRotate( qtInvert( q ), vec );\n" -"}\n" -"__inline\n" -"float4 transform(const float4* p, const float4* translation, const Quaternion* orientation)\n" -"{\n" -" return qtRotate( *orientation, *p ) + (*translation);\n" -"}\n" -"__inline\n" -"float4 normalize3(const float4 a)\n" -"{\n" -" float4 n = make_float4(a.x, a.y, a.z, 0.f);\n" -" return fastNormalize4( n );\n" -"}\n" -"inline void projectLocal(const ConvexPolyhedronCL* hull, const float4 pos, const float4 orn, \n" -"const float4* dir, const float4* vertices, float* min, float* max)\n" -"{\n" -" min[0] = FLT_MAX;\n" -" max[0] = -FLT_MAX;\n" -" int numVerts = hull->m_numVertices;\n" -" const float4 localDir = qtInvRotate(orn,*dir);\n" -" float offset = dot(pos,*dir);\n" -" for(int i=0;i<numVerts;i++)\n" -" {\n" -" float dp = dot(vertices[hull->m_vertexOffset+i],localDir);\n" -" if(dp < min[0]) \n" -" min[0] = dp;\n" -" if(dp > max[0]) \n" -" max[0] = dp;\n" -" }\n" -" if(min[0]>max[0])\n" -" {\n" -" float tmp = min[0];\n" -" min[0] = max[0];\n" -" max[0] = tmp;\n" -" }\n" -" min[0] += offset;\n" -" max[0] += offset;\n" -"}\n" -"inline void project(__global const ConvexPolyhedronCL* hull, const float4 pos, const float4 orn, \n" -"const float4* dir, __global const float4* vertices, float* min, float* max)\n" -"{\n" -" min[0] = FLT_MAX;\n" -" max[0] = -FLT_MAX;\n" -" int numVerts = hull->m_numVertices;\n" -" const float4 localDir = qtInvRotate(orn,*dir);\n" -" float offset = dot(pos,*dir);\n" -" for(int i=0;i<numVerts;i++)\n" -" {\n" -" float dp = dot(vertices[hull->m_vertexOffset+i],localDir);\n" -" if(dp < min[0]) \n" -" min[0] = dp;\n" -" if(dp > max[0]) \n" -" max[0] = dp;\n" -" }\n" -" if(min[0]>max[0])\n" -" {\n" -" float tmp = min[0];\n" -" min[0] = max[0];\n" -" max[0] = tmp;\n" -" }\n" -" min[0] += offset;\n" -" max[0] += offset;\n" -"}\n" -"inline bool TestSepAxisLocalA(const ConvexPolyhedronCL* hullA, __global const ConvexPolyhedronCL* hullB, \n" -" const float4 posA,const float4 ornA,\n" -" const float4 posB,const float4 ornB,\n" -" float4* sep_axis, const float4* verticesA, __global const float4* verticesB,float* depth)\n" -"{\n" -" float Min0,Max0;\n" -" float Min1,Max1;\n" -" projectLocal(hullA,posA,ornA,sep_axis,verticesA, &Min0, &Max0);\n" -" project(hullB,posB,ornB, sep_axis,verticesB, &Min1, &Max1);\n" -" if(Max0<Min1 || Max1<Min0)\n" -" return false;\n" -" float d0 = Max0 - Min1;\n" -" float d1 = Max1 - Min0;\n" -" *depth = d0<d1 ? d0:d1;\n" -" return true;\n" -"}\n" -"inline bool IsAlmostZero(const float4 v)\n" -"{\n" -" if(fabs(v.x)>1e-6f || fabs(v.y)>1e-6f || fabs(v.z)>1e-6f)\n" -" return false;\n" -" return true;\n" -"}\n" -"bool findSeparatingAxisLocalA( const ConvexPolyhedronCL* hullA, __global const ConvexPolyhedronCL* hullB, \n" -" const float4 posA1,\n" -" const float4 ornA,\n" -" const float4 posB1,\n" -" const float4 ornB,\n" -" const float4 DeltaC2,\n" -" \n" -" const float4* verticesA, \n" -" const float4* uniqueEdgesA, \n" -" const btGpuFace* facesA,\n" -" const int* indicesA,\n" -" __global const float4* verticesB, \n" -" __global const float4* uniqueEdgesB, \n" -" __global const btGpuFace* facesB,\n" -" __global const int* indicesB,\n" -" float4* sep,\n" -" float* dmin)\n" -"{\n" -" \n" -" float4 posA = posA1;\n" -" posA.w = 0.f;\n" -" float4 posB = posB1;\n" -" posB.w = 0.f;\n" -" int curPlaneTests=0;\n" -" {\n" -" int numFacesA = hullA->m_numFaces;\n" -" // Test normals from hullA\n" -" for(int i=0;i<numFacesA;i++)\n" -" {\n" -" const float4 normal = facesA[hullA->m_faceOffset+i].m_plane;\n" -" float4 faceANormalWS = qtRotate(ornA,normal);\n" -" if (dot3F4(DeltaC2,faceANormalWS)<0)\n" -" faceANormalWS*=-1.f;\n" -" curPlaneTests++;\n" -" float d;\n" -" if(!TestSepAxisLocalA( hullA, hullB, posA,ornA,posB,ornB,&faceANormalWS, verticesA, verticesB,&d))\n" -" return false;\n" -" if(d<*dmin)\n" -" {\n" -" *dmin = d;\n" -" *sep = faceANormalWS;\n" -" }\n" -" }\n" -" }\n" -" if((dot3F4(-DeltaC2,*sep))>0.0f)\n" -" {\n" -" *sep = -(*sep);\n" -" }\n" -" return true;\n" -"}\n" -"bool findSeparatingAxisLocalB( __global const ConvexPolyhedronCL* hullA, const ConvexPolyhedronCL* hullB, \n" -" const float4 posA1,\n" -" const float4 ornA,\n" -" const float4 posB1,\n" -" const float4 ornB,\n" -" const float4 DeltaC2,\n" -" __global const float4* verticesA, \n" -" __global const float4* uniqueEdgesA, \n" -" __global const btGpuFace* facesA,\n" -" __global const int* indicesA,\n" -" const float4* verticesB,\n" -" const float4* uniqueEdgesB, \n" -" const btGpuFace* facesB,\n" -" const int* indicesB,\n" -" float4* sep,\n" -" float* dmin)\n" -"{\n" -" float4 posA = posA1;\n" -" posA.w = 0.f;\n" -" float4 posB = posB1;\n" -" posB.w = 0.f;\n" -" int curPlaneTests=0;\n" -" {\n" -" int numFacesA = hullA->m_numFaces;\n" -" // Test normals from hullA\n" -" for(int i=0;i<numFacesA;i++)\n" -" {\n" -" const float4 normal = facesA[hullA->m_faceOffset+i].m_plane;\n" -" float4 faceANormalWS = qtRotate(ornA,normal);\n" -" if (dot3F4(DeltaC2,faceANormalWS)<0)\n" -" faceANormalWS *= -1.f;\n" -" curPlaneTests++;\n" -" float d;\n" -" if(!TestSepAxisLocalA( hullB, hullA, posB,ornB,posA,ornA, &faceANormalWS, verticesB,verticesA, &d))\n" -" return false;\n" -" if(d<*dmin)\n" -" {\n" -" *dmin = d;\n" -" *sep = faceANormalWS;\n" -" }\n" -" }\n" -" }\n" -" if((dot3F4(-DeltaC2,*sep))>0.0f)\n" -" {\n" -" *sep = -(*sep);\n" -" }\n" -" return true;\n" -"}\n" -"bool findSeparatingAxisEdgeEdgeLocalA( const ConvexPolyhedronCL* hullA, __global const ConvexPolyhedronCL* hullB, \n" -" const float4 posA1,\n" -" const float4 ornA,\n" -" const float4 posB1,\n" -" const float4 ornB,\n" -" const float4 DeltaC2,\n" -" const float4* verticesA, \n" -" const float4* uniqueEdgesA, \n" -" const btGpuFace* facesA,\n" -" const int* indicesA,\n" -" __global const float4* verticesB, \n" -" __global const float4* uniqueEdgesB, \n" -" __global const btGpuFace* facesB,\n" -" __global const int* indicesB,\n" -" float4* sep,\n" -" float* dmin)\n" -"{\n" -" float4 posA = posA1;\n" -" posA.w = 0.f;\n" -" float4 posB = posB1;\n" -" posB.w = 0.f;\n" -" int curPlaneTests=0;\n" -" int curEdgeEdge = 0;\n" -" // Test edges\n" -" for(int e0=0;e0<hullA->m_numUniqueEdges;e0++)\n" -" {\n" -" const float4 edge0 = uniqueEdgesA[hullA->m_uniqueEdgesOffset+e0];\n" -" float4 edge0World = qtRotate(ornA,edge0);\n" -" for(int e1=0;e1<hullB->m_numUniqueEdges;e1++)\n" -" {\n" -" const float4 edge1 = uniqueEdgesB[hullB->m_uniqueEdgesOffset+e1];\n" -" float4 edge1World = qtRotate(ornB,edge1);\n" -" float4 crossje = cross3(edge0World,edge1World);\n" -" curEdgeEdge++;\n" -" if(!IsAlmostZero(crossje))\n" -" {\n" -" crossje = normalize3(crossje);\n" -" if (dot3F4(DeltaC2,crossje)<0)\n" -" crossje *= -1.f;\n" -" float dist;\n" -" bool result = true;\n" -" {\n" -" float Min0,Max0;\n" -" float Min1,Max1;\n" -" projectLocal(hullA,posA,ornA,&crossje,verticesA, &Min0, &Max0);\n" -" project(hullB,posB,ornB,&crossje,verticesB, &Min1, &Max1);\n" -" \n" -" if(Max0<Min1 || Max1<Min0)\n" -" result = false;\n" -" \n" -" float d0 = Max0 - Min1;\n" -" float d1 = Max1 - Min0;\n" -" dist = d0<d1 ? d0:d1;\n" -" result = true;\n" -" }\n" -" \n" -" if(dist<*dmin)\n" -" {\n" -" *dmin = dist;\n" -" *sep = crossje;\n" -" }\n" -" }\n" -" }\n" -" }\n" -" \n" -" if((dot3F4(-DeltaC2,*sep))>0.0f)\n" -" {\n" -" *sep = -(*sep);\n" -" }\n" -" return true;\n" -"}\n" -"inline int findClippingFaces(const float4 separatingNormal,\n" -" const ConvexPolyhedronCL* hullA, \n" -" __global const ConvexPolyhedronCL* hullB,\n" -" const float4 posA, const Quaternion ornA,const float4 posB, const Quaternion ornB,\n" -" __global float4* worldVertsA1,\n" -" __global float4* worldNormalsA1,\n" -" __global float4* worldVertsB1,\n" -" int capacityWorldVerts,\n" -" const float minDist, float maxDist,\n" -" const float4* verticesA,\n" -" const btGpuFace* facesA,\n" -" const int* indicesA,\n" -" __global const float4* verticesB,\n" -" __global const btGpuFace* facesB,\n" -" __global const int* indicesB,\n" -" __global int4* clippingFaces, int pairIndex)\n" -"{\n" -" int numContactsOut = 0;\n" -" int numWorldVertsB1= 0;\n" -" \n" -" \n" -" int closestFaceB=0;\n" -" float dmax = -FLT_MAX;\n" -" \n" -" {\n" -" for(int face=0;face<hullB->m_numFaces;face++)\n" -" {\n" -" const float4 Normal = make_float4(facesB[hullB->m_faceOffset+face].m_plane.x,\n" -" facesB[hullB->m_faceOffset+face].m_plane.y, facesB[hullB->m_faceOffset+face].m_plane.z,0.f);\n" -" const float4 WorldNormal = qtRotate(ornB, Normal);\n" -" float d = dot3F4(WorldNormal,separatingNormal);\n" -" if (d > dmax)\n" -" {\n" -" dmax = d;\n" -" closestFaceB = face;\n" -" }\n" -" }\n" -" }\n" -" \n" -" {\n" -" const btGpuFace polyB = facesB[hullB->m_faceOffset+closestFaceB];\n" -" int numVertices = polyB.m_numIndices;\n" -" if (numVertices>capacityWorldVerts)\n" -" numVertices = capacityWorldVerts;\n" -" if (numVertices<0)\n" -" numVertices = 0;\n" -" \n" -" for(int e0=0;e0<numVertices;e0++)\n" -" {\n" -" if (e0<capacityWorldVerts)\n" -" {\n" -" const float4 b = verticesB[hullB->m_vertexOffset+indicesB[polyB.m_indexOffset+e0]];\n" -" worldVertsB1[pairIndex*capacityWorldVerts+numWorldVertsB1++] = transform(&b,&posB,&ornB);\n" -" }\n" -" }\n" -" }\n" -" \n" -" int closestFaceA=0;\n" -" {\n" -" float dmin = FLT_MAX;\n" -" for(int face=0;face<hullA->m_numFaces;face++)\n" -" {\n" -" const float4 Normal = make_float4(\n" -" facesA[hullA->m_faceOffset+face].m_plane.x,\n" -" facesA[hullA->m_faceOffset+face].m_plane.y,\n" -" facesA[hullA->m_faceOffset+face].m_plane.z,\n" -" 0.f);\n" -" const float4 faceANormalWS = qtRotate(ornA,Normal);\n" -" \n" -" float d = dot3F4(faceANormalWS,separatingNormal);\n" -" if (d < dmin)\n" -" {\n" -" dmin = d;\n" -" closestFaceA = face;\n" -" worldNormalsA1[pairIndex] = faceANormalWS;\n" -" }\n" -" }\n" -" }\n" -" \n" -" int numVerticesA = facesA[hullA->m_faceOffset+closestFaceA].m_numIndices;\n" -" if (numVerticesA>capacityWorldVerts)\n" -" numVerticesA = capacityWorldVerts;\n" -" if (numVerticesA<0)\n" -" numVerticesA=0;\n" -" \n" -" for(int e0=0;e0<numVerticesA;e0++)\n" -" {\n" -" if (e0<capacityWorldVerts)\n" -" {\n" -" const float4 a = verticesA[hullA->m_vertexOffset+indicesA[facesA[hullA->m_faceOffset+closestFaceA].m_indexOffset+e0]];\n" -" worldVertsA1[pairIndex*capacityWorldVerts+e0] = transform(&a, &posA,&ornA);\n" -" }\n" -" }\n" -" \n" -" clippingFaces[pairIndex].x = closestFaceA;\n" -" clippingFaces[pairIndex].y = closestFaceB;\n" -" clippingFaces[pairIndex].z = numVerticesA;\n" -" clippingFaces[pairIndex].w = numWorldVertsB1;\n" -" \n" -" \n" -" return numContactsOut;\n" -"}\n" -"// work-in-progress\n" -"__kernel void findConcaveSeparatingAxisVertexFaceKernel( __global int4* concavePairs,\n" -" __global const BodyData* rigidBodies,\n" -" __global const btCollidableGpu* collidables,\n" -" __global const ConvexPolyhedronCL* convexShapes,\n" -" __global const float4* vertices,\n" -" __global const float4* uniqueEdges,\n" -" __global const btGpuFace* faces,\n" -" __global const int* indices,\n" -" __global const btGpuChildShape* gpuChildShapes,\n" -" __global btAabbCL* aabbs,\n" -" __global float4* concaveSeparatingNormalsOut,\n" -" __global int* concaveHasSeparatingNormals,\n" -" __global int4* clippingFacesOut,\n" -" __global float4* worldVertsA1GPU,\n" -" __global float4* worldNormalsAGPU,\n" -" __global float4* worldVertsB1GPU,\n" -" __global float* dmins,\n" -" int vertexFaceCapacity,\n" -" int numConcavePairs\n" -" )\n" -"{\n" -" \n" -" int i = get_global_id(0);\n" -" if (i>=numConcavePairs)\n" -" return;\n" -" \n" -" concaveHasSeparatingNormals[i] = 0;\n" -" \n" -" int pairIdx = i;\n" -" \n" -" int bodyIndexA = concavePairs[i].x;\n" -" int bodyIndexB = concavePairs[i].y;\n" -" \n" -" int collidableIndexA = rigidBodies[bodyIndexA].m_collidableIdx;\n" -" int collidableIndexB = rigidBodies[bodyIndexB].m_collidableIdx;\n" -" \n" -" int shapeIndexA = collidables[collidableIndexA].m_shapeIndex;\n" -" int shapeIndexB = collidables[collidableIndexB].m_shapeIndex;\n" -" \n" -" if (collidables[collidableIndexB].m_shapeType!=SHAPE_CONVEX_HULL&&\n" -" collidables[collidableIndexB].m_shapeType!=SHAPE_COMPOUND_OF_CONVEX_HULLS)\n" -" {\n" -" concavePairs[pairIdx].w = -1;\n" -" return;\n" -" }\n" -" \n" -" \n" -" \n" -" int numFacesA = convexShapes[shapeIndexA].m_numFaces;\n" -" int numActualConcaveConvexTests = 0;\n" -" \n" -" int f = concavePairs[i].z;\n" -" \n" -" bool overlap = false;\n" -" \n" -" ConvexPolyhedronCL convexPolyhedronA;\n" -" \n" -" //add 3 vertices of the triangle\n" -" convexPolyhedronA.m_numVertices = 3;\n" -" convexPolyhedronA.m_vertexOffset = 0;\n" -" float4 localCenter = make_float4(0.f,0.f,0.f,0.f);\n" -" \n" -" btGpuFace face = faces[convexShapes[shapeIndexA].m_faceOffset+f];\n" -" float4 triMinAabb, triMaxAabb;\n" -" btAabbCL triAabb;\n" -" triAabb.m_min = make_float4(1e30f,1e30f,1e30f,0.f);\n" -" triAabb.m_max = make_float4(-1e30f,-1e30f,-1e30f,0.f);\n" -" \n" -" float4 verticesA[3];\n" -" for (int i=0;i<3;i++)\n" -" {\n" -" int index = indices[face.m_indexOffset+i];\n" -" float4 vert = vertices[convexShapes[shapeIndexA].m_vertexOffset+index];\n" -" verticesA[i] = vert;\n" -" localCenter += vert;\n" -" \n" -" triAabb.m_min = min(triAabb.m_min,vert);\n" -" triAabb.m_max = max(triAabb.m_max,vert);\n" -" \n" -" }\n" -" \n" -" overlap = true;\n" -" overlap = (triAabb.m_min.x > aabbs[bodyIndexB].m_max.x || triAabb.m_max.x < aabbs[bodyIndexB].m_min.x) ? false : overlap;\n" -" overlap = (triAabb.m_min.z > aabbs[bodyIndexB].m_max.z || triAabb.m_max.z < aabbs[bodyIndexB].m_min.z) ? false : overlap;\n" -" overlap = (triAabb.m_min.y > aabbs[bodyIndexB].m_max.y || triAabb.m_max.y < aabbs[bodyIndexB].m_min.y) ? false : overlap;\n" -" \n" -" if (overlap)\n" -" {\n" -" float dmin = FLT_MAX;\n" -" int hasSeparatingAxis=5;\n" -" float4 sepAxis=make_float4(1,2,3,4);\n" -" \n" -" int localCC=0;\n" -" numActualConcaveConvexTests++;\n" -" \n" -" //a triangle has 3 unique edges\n" -" convexPolyhedronA.m_numUniqueEdges = 3;\n" -" convexPolyhedronA.m_uniqueEdgesOffset = 0;\n" -" float4 uniqueEdgesA[3];\n" -" \n" -" uniqueEdgesA[0] = (verticesA[1]-verticesA[0]);\n" -" uniqueEdgesA[1] = (verticesA[2]-verticesA[1]);\n" -" uniqueEdgesA[2] = (verticesA[0]-verticesA[2]);\n" -" \n" -" \n" -" convexPolyhedronA.m_faceOffset = 0;\n" -" \n" -" float4 normal = make_float4(face.m_plane.x,face.m_plane.y,face.m_plane.z,0.f);\n" -" \n" -" btGpuFace facesA[TRIANGLE_NUM_CONVEX_FACES];\n" -" int indicesA[3+3+2+2+2];\n" -" int curUsedIndices=0;\n" -" int fidx=0;\n" -" \n" -" //front size of triangle\n" -" {\n" -" facesA[fidx].m_indexOffset=curUsedIndices;\n" -" indicesA[0] = 0;\n" -" indicesA[1] = 1;\n" -" indicesA[2] = 2;\n" -" curUsedIndices+=3;\n" -" float c = face.m_plane.w;\n" -" facesA[fidx].m_plane.x = normal.x;\n" -" facesA[fidx].m_plane.y = normal.y;\n" -" facesA[fidx].m_plane.z = normal.z;\n" -" facesA[fidx].m_plane.w = c;\n" -" facesA[fidx].m_numIndices=3;\n" -" }\n" -" fidx++;\n" -" //back size of triangle\n" -" {\n" -" facesA[fidx].m_indexOffset=curUsedIndices;\n" -" indicesA[3]=2;\n" -" indicesA[4]=1;\n" -" indicesA[5]=0;\n" -" curUsedIndices+=3;\n" -" float c = dot(normal,verticesA[0]);\n" -" float c1 = -face.m_plane.w;\n" -" facesA[fidx].m_plane.x = -normal.x;\n" -" facesA[fidx].m_plane.y = -normal.y;\n" -" facesA[fidx].m_plane.z = -normal.z;\n" -" facesA[fidx].m_plane.w = c;\n" -" facesA[fidx].m_numIndices=3;\n" -" }\n" -" fidx++;\n" -" \n" -" bool addEdgePlanes = true;\n" -" if (addEdgePlanes)\n" -" {\n" -" int numVertices=3;\n" -" int prevVertex = numVertices-1;\n" -" for (int i=0;i<numVertices;i++)\n" -" {\n" -" float4 v0 = verticesA[i];\n" -" float4 v1 = verticesA[prevVertex];\n" -" \n" -" float4 edgeNormal = normalize(cross(normal,v1-v0));\n" -" float c = -dot(edgeNormal,v0);\n" -" \n" -" facesA[fidx].m_numIndices = 2;\n" -" facesA[fidx].m_indexOffset=curUsedIndices;\n" -" indicesA[curUsedIndices++]=i;\n" -" indicesA[curUsedIndices++]=prevVertex;\n" -" \n" -" facesA[fidx].m_plane.x = edgeNormal.x;\n" -" facesA[fidx].m_plane.y = edgeNormal.y;\n" -" facesA[fidx].m_plane.z = edgeNormal.z;\n" -" facesA[fidx].m_plane.w = c;\n" -" fidx++;\n" -" prevVertex = i;\n" -" }\n" -" }\n" -" convexPolyhedronA.m_numFaces = TRIANGLE_NUM_CONVEX_FACES;\n" -" convexPolyhedronA.m_localCenter = localCenter*(1.f/3.f);\n" -" \n" -" \n" -" float4 posA = rigidBodies[bodyIndexA].m_pos;\n" -" posA.w = 0.f;\n" -" float4 posB = rigidBodies[bodyIndexB].m_pos;\n" -" posB.w = 0.f;\n" -" \n" -" float4 ornA = rigidBodies[bodyIndexA].m_quat;\n" -" float4 ornB =rigidBodies[bodyIndexB].m_quat;\n" -" \n" -" \n" -" \n" -" \n" -" ///////////////////\n" -" ///compound shape support\n" -" \n" -" if (collidables[collidableIndexB].m_shapeType==SHAPE_COMPOUND_OF_CONVEX_HULLS)\n" -" {\n" -" int compoundChild = concavePairs[pairIdx].w;\n" -" int childShapeIndexB = compoundChild;//collidables[collidableIndexB].m_shapeIndex+compoundChild;\n" -" int childColIndexB = gpuChildShapes[childShapeIndexB].m_shapeIndex;\n" -" float4 childPosB = gpuChildShapes[childShapeIndexB].m_childPosition;\n" -" float4 childOrnB = gpuChildShapes[childShapeIndexB].m_childOrientation;\n" -" float4 newPosB = transform(&childPosB,&posB,&ornB);\n" -" float4 newOrnB = qtMul(ornB,childOrnB);\n" -" posB = newPosB;\n" -" ornB = newOrnB;\n" -" shapeIndexB = collidables[childColIndexB].m_shapeIndex;\n" -" }\n" -" //////////////////\n" -" \n" -" float4 c0local = convexPolyhedronA.m_localCenter;\n" -" float4 c0 = transform(&c0local, &posA, &ornA);\n" -" float4 c1local = convexShapes[shapeIndexB].m_localCenter;\n" -" float4 c1 = transform(&c1local,&posB,&ornB);\n" -" const float4 DeltaC2 = c0 - c1;\n" -" \n" -" \n" -" bool sepA = findSeparatingAxisLocalA( &convexPolyhedronA, &convexShapes[shapeIndexB],\n" -" posA,ornA,\n" -" posB,ornB,\n" -" DeltaC2,\n" -" verticesA,uniqueEdgesA,facesA,indicesA,\n" -" vertices,uniqueEdges,faces,indices,\n" -" &sepAxis,&dmin);\n" -" hasSeparatingAxis = 4;\n" -" if (!sepA)\n" -" {\n" -" hasSeparatingAxis = 0;\n" -" } else\n" -" {\n" -" bool sepB = findSeparatingAxisLocalB( &convexShapes[shapeIndexB],&convexPolyhedronA,\n" -" posB,ornB,\n" -" posA,ornA,\n" -" DeltaC2,\n" -" vertices,uniqueEdges,faces,indices,\n" -" verticesA,uniqueEdgesA,facesA,indicesA,\n" -" &sepAxis,&dmin);\n" -" \n" -" if (!sepB)\n" -" {\n" -" hasSeparatingAxis = 0;\n" -" } else\n" -" {\n" -" hasSeparatingAxis = 1;\n" -" }\n" -" } \n" -" \n" -" if (hasSeparatingAxis)\n" -" {\n" -" dmins[i] = dmin;\n" -" concaveSeparatingNormalsOut[pairIdx]=sepAxis;\n" -" concaveHasSeparatingNormals[i]=1;\n" -" \n" -" } else\n" -" { \n" -" //mark this pair as in-active\n" -" concavePairs[pairIdx].w = -1;\n" -" }\n" -" }\n" -" else\n" -" { \n" -" //mark this pair as in-active\n" -" concavePairs[pairIdx].w = -1;\n" -" }\n" -"}\n" -"// work-in-progress\n" -"__kernel void findConcaveSeparatingAxisEdgeEdgeKernel( __global int4* concavePairs,\n" -" __global const BodyData* rigidBodies,\n" -" __global const btCollidableGpu* collidables,\n" -" __global const ConvexPolyhedronCL* convexShapes,\n" -" __global const float4* vertices,\n" -" __global const float4* uniqueEdges,\n" -" __global const btGpuFace* faces,\n" -" __global const int* indices,\n" -" __global const btGpuChildShape* gpuChildShapes,\n" -" __global btAabbCL* aabbs,\n" -" __global float4* concaveSeparatingNormalsOut,\n" -" __global int* concaveHasSeparatingNormals,\n" -" __global int4* clippingFacesOut,\n" -" __global float4* worldVertsA1GPU,\n" -" __global float4* worldNormalsAGPU,\n" -" __global float4* worldVertsB1GPU,\n" -" __global float* dmins,\n" -" int vertexFaceCapacity,\n" -" int numConcavePairs\n" -" )\n" -"{\n" -" \n" -" int i = get_global_id(0);\n" -" if (i>=numConcavePairs)\n" -" return;\n" -" \n" -" if (!concaveHasSeparatingNormals[i])\n" -" return;\n" -" \n" -" int pairIdx = i;\n" -" \n" -" int bodyIndexA = concavePairs[i].x;\n" -" int bodyIndexB = concavePairs[i].y;\n" -" \n" -" int collidableIndexA = rigidBodies[bodyIndexA].m_collidableIdx;\n" -" int collidableIndexB = rigidBodies[bodyIndexB].m_collidableIdx;\n" -" \n" -" int shapeIndexA = collidables[collidableIndexA].m_shapeIndex;\n" -" int shapeIndexB = collidables[collidableIndexB].m_shapeIndex;\n" -" \n" -" \n" -" int numFacesA = convexShapes[shapeIndexA].m_numFaces;\n" -" int numActualConcaveConvexTests = 0;\n" -" \n" -" int f = concavePairs[i].z;\n" -" \n" -" bool overlap = false;\n" -" \n" -" ConvexPolyhedronCL convexPolyhedronA;\n" -" \n" -" //add 3 vertices of the triangle\n" -" convexPolyhedronA.m_numVertices = 3;\n" -" convexPolyhedronA.m_vertexOffset = 0;\n" -" float4 localCenter = make_float4(0.f,0.f,0.f,0.f);\n" -" \n" -" btGpuFace face = faces[convexShapes[shapeIndexA].m_faceOffset+f];\n" -" float4 triMinAabb, triMaxAabb;\n" -" btAabbCL triAabb;\n" -" triAabb.m_min = make_float4(1e30f,1e30f,1e30f,0.f);\n" -" triAabb.m_max = make_float4(-1e30f,-1e30f,-1e30f,0.f);\n" -" \n" -" float4 verticesA[3];\n" -" for (int i=0;i<3;i++)\n" -" {\n" -" int index = indices[face.m_indexOffset+i];\n" -" float4 vert = vertices[convexShapes[shapeIndexA].m_vertexOffset+index];\n" -" verticesA[i] = vert;\n" -" localCenter += vert;\n" -" \n" -" triAabb.m_min = min(triAabb.m_min,vert);\n" -" triAabb.m_max = max(triAabb.m_max,vert);\n" -" \n" -" }\n" -" \n" -" overlap = true;\n" -" overlap = (triAabb.m_min.x > aabbs[bodyIndexB].m_max.x || triAabb.m_max.x < aabbs[bodyIndexB].m_min.x) ? false : overlap;\n" -" overlap = (triAabb.m_min.z > aabbs[bodyIndexB].m_max.z || triAabb.m_max.z < aabbs[bodyIndexB].m_min.z) ? false : overlap;\n" -" overlap = (triAabb.m_min.y > aabbs[bodyIndexB].m_max.y || triAabb.m_max.y < aabbs[bodyIndexB].m_min.y) ? false : overlap;\n" -" \n" -" if (overlap)\n" -" {\n" -" float dmin = dmins[i];\n" -" int hasSeparatingAxis=5;\n" -" float4 sepAxis=make_float4(1,2,3,4);\n" -" sepAxis = concaveSeparatingNormalsOut[pairIdx];\n" -" \n" -" int localCC=0;\n" -" numActualConcaveConvexTests++;\n" -" \n" -" //a triangle has 3 unique edges\n" -" convexPolyhedronA.m_numUniqueEdges = 3;\n" -" convexPolyhedronA.m_uniqueEdgesOffset = 0;\n" -" float4 uniqueEdgesA[3];\n" -" \n" -" uniqueEdgesA[0] = (verticesA[1]-verticesA[0]);\n" -" uniqueEdgesA[1] = (verticesA[2]-verticesA[1]);\n" -" uniqueEdgesA[2] = (verticesA[0]-verticesA[2]);\n" -" \n" -" \n" -" convexPolyhedronA.m_faceOffset = 0;\n" -" \n" -" float4 normal = make_float4(face.m_plane.x,face.m_plane.y,face.m_plane.z,0.f);\n" -" \n" -" btGpuFace facesA[TRIANGLE_NUM_CONVEX_FACES];\n" -" int indicesA[3+3+2+2+2];\n" -" int curUsedIndices=0;\n" -" int fidx=0;\n" -" \n" -" //front size of triangle\n" -" {\n" -" facesA[fidx].m_indexOffset=curUsedIndices;\n" -" indicesA[0] = 0;\n" -" indicesA[1] = 1;\n" -" indicesA[2] = 2;\n" -" curUsedIndices+=3;\n" -" float c = face.m_plane.w;\n" -" facesA[fidx].m_plane.x = normal.x;\n" -" facesA[fidx].m_plane.y = normal.y;\n" -" facesA[fidx].m_plane.z = normal.z;\n" -" facesA[fidx].m_plane.w = c;\n" -" facesA[fidx].m_numIndices=3;\n" -" }\n" -" fidx++;\n" -" //back size of triangle\n" -" {\n" -" facesA[fidx].m_indexOffset=curUsedIndices;\n" -" indicesA[3]=2;\n" -" indicesA[4]=1;\n" -" indicesA[5]=0;\n" -" curUsedIndices+=3;\n" -" float c = dot(normal,verticesA[0]);\n" -" float c1 = -face.m_plane.w;\n" -" facesA[fidx].m_plane.x = -normal.x;\n" -" facesA[fidx].m_plane.y = -normal.y;\n" -" facesA[fidx].m_plane.z = -normal.z;\n" -" facesA[fidx].m_plane.w = c;\n" -" facesA[fidx].m_numIndices=3;\n" -" }\n" -" fidx++;\n" -" \n" -" bool addEdgePlanes = true;\n" -" if (addEdgePlanes)\n" -" {\n" -" int numVertices=3;\n" -" int prevVertex = numVertices-1;\n" -" for (int i=0;i<numVertices;i++)\n" -" {\n" -" float4 v0 = verticesA[i];\n" -" float4 v1 = verticesA[prevVertex];\n" -" \n" -" float4 edgeNormal = normalize(cross(normal,v1-v0));\n" -" float c = -dot(edgeNormal,v0);\n" -" \n" -" facesA[fidx].m_numIndices = 2;\n" -" facesA[fidx].m_indexOffset=curUsedIndices;\n" -" indicesA[curUsedIndices++]=i;\n" -" indicesA[curUsedIndices++]=prevVertex;\n" -" \n" -" facesA[fidx].m_plane.x = edgeNormal.x;\n" -" facesA[fidx].m_plane.y = edgeNormal.y;\n" -" facesA[fidx].m_plane.z = edgeNormal.z;\n" -" facesA[fidx].m_plane.w = c;\n" -" fidx++;\n" -" prevVertex = i;\n" -" }\n" -" }\n" -" convexPolyhedronA.m_numFaces = TRIANGLE_NUM_CONVEX_FACES;\n" -" convexPolyhedronA.m_localCenter = localCenter*(1.f/3.f);\n" -" \n" -" \n" -" float4 posA = rigidBodies[bodyIndexA].m_pos;\n" -" posA.w = 0.f;\n" -" float4 posB = rigidBodies[bodyIndexB].m_pos;\n" -" posB.w = 0.f;\n" -" \n" -" float4 ornA = rigidBodies[bodyIndexA].m_quat;\n" -" float4 ornB =rigidBodies[bodyIndexB].m_quat;\n" -" \n" -" \n" -" \n" -" \n" -" ///////////////////\n" -" ///compound shape support\n" -" \n" -" if (collidables[collidableIndexB].m_shapeType==SHAPE_COMPOUND_OF_CONVEX_HULLS)\n" -" {\n" -" int compoundChild = concavePairs[pairIdx].w;\n" -" int childShapeIndexB = compoundChild;//collidables[collidableIndexB].m_shapeIndex+compoundChild;\n" -" int childColIndexB = gpuChildShapes[childShapeIndexB].m_shapeIndex;\n" -" float4 childPosB = gpuChildShapes[childShapeIndexB].m_childPosition;\n" -" float4 childOrnB = gpuChildShapes[childShapeIndexB].m_childOrientation;\n" -" float4 newPosB = transform(&childPosB,&posB,&ornB);\n" -" float4 newOrnB = qtMul(ornB,childOrnB);\n" -" posB = newPosB;\n" -" ornB = newOrnB;\n" -" shapeIndexB = collidables[childColIndexB].m_shapeIndex;\n" -" }\n" -" //////////////////\n" -" \n" -" float4 c0local = convexPolyhedronA.m_localCenter;\n" -" float4 c0 = transform(&c0local, &posA, &ornA);\n" -" float4 c1local = convexShapes[shapeIndexB].m_localCenter;\n" -" float4 c1 = transform(&c1local,&posB,&ornB);\n" -" const float4 DeltaC2 = c0 - c1;\n" -" \n" -" \n" -" {\n" -" bool sepEE = findSeparatingAxisEdgeEdgeLocalA( &convexPolyhedronA, &convexShapes[shapeIndexB],\n" -" posA,ornA,\n" -" posB,ornB,\n" -" DeltaC2,\n" -" verticesA,uniqueEdgesA,facesA,indicesA,\n" -" vertices,uniqueEdges,faces,indices,\n" -" &sepAxis,&dmin);\n" -" \n" -" if (!sepEE)\n" -" {\n" -" hasSeparatingAxis = 0;\n" -" } else\n" -" {\n" -" hasSeparatingAxis = 1;\n" -" }\n" -" }\n" -" \n" -" \n" -" if (hasSeparatingAxis)\n" -" {\n" -" sepAxis.w = dmin;\n" -" dmins[i] = dmin;\n" -" concaveSeparatingNormalsOut[pairIdx]=sepAxis;\n" -" concaveHasSeparatingNormals[i]=1;\n" -" \n" -" float minDist = -1e30f;\n" -" float maxDist = 0.02f;\n" -" \n" -" findClippingFaces(sepAxis,\n" -" &convexPolyhedronA,\n" -" &convexShapes[shapeIndexB],\n" -" posA,ornA,\n" -" posB,ornB,\n" -" worldVertsA1GPU,\n" -" worldNormalsAGPU,\n" -" worldVertsB1GPU,\n" -" vertexFaceCapacity,\n" -" minDist, maxDist,\n" -" verticesA,\n" -" facesA,\n" -" indicesA,\n" -" vertices,\n" -" faces,\n" -" indices,\n" -" clippingFacesOut, pairIdx);\n" -" \n" -" \n" -" } else\n" -" { \n" -" //mark this pair as in-active\n" -" concavePairs[pairIdx].w = -1;\n" -" }\n" -" }\n" -" else\n" -" { \n" -" //mark this pair as in-active\n" -" concavePairs[pairIdx].w = -1;\n" -" }\n" -" \n" -" concavePairs[i].z = -1;//for the next stage, z is used to determine existing contact points\n" -"}\n" -; +static const char* satConcaveKernelsCL = + "//keep this enum in sync with the CPU version (in btCollidable.h)\n" + "//written by Erwin Coumans\n" + "#define SHAPE_CONVEX_HULL 3\n" + "#define SHAPE_CONCAVE_TRIMESH 5\n" + "#define TRIANGLE_NUM_CONVEX_FACES 5\n" + "#define SHAPE_COMPOUND_OF_CONVEX_HULLS 6\n" + "#define B3_MAX_STACK_DEPTH 256\n" + "typedef unsigned int u32;\n" + "///keep this in sync with btCollidable.h\n" + "typedef struct\n" + "{\n" + " union {\n" + " int m_numChildShapes;\n" + " int m_bvhIndex;\n" + " };\n" + " union\n" + " {\n" + " float m_radius;\n" + " int m_compoundBvhIndex;\n" + " };\n" + " \n" + " int m_shapeType;\n" + " int m_shapeIndex;\n" + " \n" + "} btCollidableGpu;\n" + "#define MAX_NUM_PARTS_IN_BITS 10\n" + "///b3QuantizedBvhNode is a compressed aabb node, 16 bytes.\n" + "///Node can be used for leafnode or internal node. Leafnodes can point to 32-bit triangle index (non-negative range).\n" + "typedef struct\n" + "{\n" + " //12 bytes\n" + " unsigned short int m_quantizedAabbMin[3];\n" + " unsigned short int m_quantizedAabbMax[3];\n" + " //4 bytes\n" + " int m_escapeIndexOrTriangleIndex;\n" + "} b3QuantizedBvhNode;\n" + "typedef struct\n" + "{\n" + " float4 m_aabbMin;\n" + " float4 m_aabbMax;\n" + " float4 m_quantization;\n" + " int m_numNodes;\n" + " int m_numSubTrees;\n" + " int m_nodeOffset;\n" + " int m_subTreeOffset;\n" + "} b3BvhInfo;\n" + "int getTriangleIndex(const b3QuantizedBvhNode* rootNode)\n" + "{\n" + " unsigned int x=0;\n" + " unsigned int y = (~(x&0))<<(31-MAX_NUM_PARTS_IN_BITS);\n" + " // Get only the lower bits where the triangle index is stored\n" + " return (rootNode->m_escapeIndexOrTriangleIndex&~(y));\n" + "}\n" + "int getTriangleIndexGlobal(__global const b3QuantizedBvhNode* rootNode)\n" + "{\n" + " unsigned int x=0;\n" + " unsigned int y = (~(x&0))<<(31-MAX_NUM_PARTS_IN_BITS);\n" + " // Get only the lower bits where the triangle index is stored\n" + " return (rootNode->m_escapeIndexOrTriangleIndex&~(y));\n" + "}\n" + "int isLeafNode(const b3QuantizedBvhNode* rootNode)\n" + "{\n" + " //skipindex is negative (internal node), triangleindex >=0 (leafnode)\n" + " return (rootNode->m_escapeIndexOrTriangleIndex >= 0)? 1 : 0;\n" + "}\n" + "int isLeafNodeGlobal(__global const b3QuantizedBvhNode* rootNode)\n" + "{\n" + " //skipindex is negative (internal node), triangleindex >=0 (leafnode)\n" + " return (rootNode->m_escapeIndexOrTriangleIndex >= 0)? 1 : 0;\n" + "}\n" + " \n" + "int getEscapeIndex(const b3QuantizedBvhNode* rootNode)\n" + "{\n" + " return -rootNode->m_escapeIndexOrTriangleIndex;\n" + "}\n" + "int getEscapeIndexGlobal(__global const b3QuantizedBvhNode* rootNode)\n" + "{\n" + " return -rootNode->m_escapeIndexOrTriangleIndex;\n" + "}\n" + "typedef struct\n" + "{\n" + " //12 bytes\n" + " unsigned short int m_quantizedAabbMin[3];\n" + " unsigned short int m_quantizedAabbMax[3];\n" + " //4 bytes, points to the root of the subtree\n" + " int m_rootNodeIndex;\n" + " //4 bytes\n" + " int m_subtreeSize;\n" + " int m_padding[3];\n" + "} b3BvhSubtreeInfo;\n" + "typedef struct\n" + "{\n" + " float4 m_childPosition;\n" + " float4 m_childOrientation;\n" + " int m_shapeIndex;\n" + " int m_unused0;\n" + " int m_unused1;\n" + " int m_unused2;\n" + "} btGpuChildShape;\n" + "typedef struct\n" + "{\n" + " float4 m_pos;\n" + " float4 m_quat;\n" + " float4 m_linVel;\n" + " float4 m_angVel;\n" + " u32 m_collidableIdx;\n" + " float m_invMass;\n" + " float m_restituitionCoeff;\n" + " float m_frictionCoeff;\n" + "} BodyData;\n" + "typedef struct \n" + "{\n" + " float4 m_localCenter;\n" + " float4 m_extents;\n" + " float4 mC;\n" + " float4 mE;\n" + " \n" + " float m_radius;\n" + " int m_faceOffset;\n" + " int m_numFaces;\n" + " int m_numVertices;\n" + " int m_vertexOffset;\n" + " int m_uniqueEdgesOffset;\n" + " int m_numUniqueEdges;\n" + " int m_unused;\n" + "} ConvexPolyhedronCL;\n" + "typedef struct \n" + "{\n" + " union\n" + " {\n" + " float4 m_min;\n" + " float m_minElems[4];\n" + " int m_minIndices[4];\n" + " };\n" + " union\n" + " {\n" + " float4 m_max;\n" + " float m_maxElems[4];\n" + " int m_maxIndices[4];\n" + " };\n" + "} btAabbCL;\n" + "#ifndef B3_AABB_H\n" + "#define B3_AABB_H\n" + "#ifndef B3_FLOAT4_H\n" + "#define B3_FLOAT4_H\n" + "#ifndef B3_PLATFORM_DEFINITIONS_H\n" + "#define B3_PLATFORM_DEFINITIONS_H\n" + "struct MyTest\n" + "{\n" + " int bla;\n" + "};\n" + "#ifdef __cplusplus\n" + "#else\n" + "//keep B3_LARGE_FLOAT*B3_LARGE_FLOAT < FLT_MAX\n" + "#define B3_LARGE_FLOAT 1e18f\n" + "#define B3_INFINITY 1e18f\n" + "#define b3Assert(a)\n" + "#define b3ConstArray(a) __global const a*\n" + "#define b3AtomicInc atomic_inc\n" + "#define b3AtomicAdd atomic_add\n" + "#define b3Fabs fabs\n" + "#define b3Sqrt native_sqrt\n" + "#define b3Sin native_sin\n" + "#define b3Cos native_cos\n" + "#define B3_STATIC\n" + "#endif\n" + "#endif\n" + "#ifdef __cplusplus\n" + "#else\n" + " typedef float4 b3Float4;\n" + " #define b3Float4ConstArg const b3Float4\n" + " #define b3MakeFloat4 (float4)\n" + " float b3Dot3F4(b3Float4ConstArg v0,b3Float4ConstArg v1)\n" + " {\n" + " float4 a1 = b3MakeFloat4(v0.xyz,0.f);\n" + " float4 b1 = b3MakeFloat4(v1.xyz,0.f);\n" + " return dot(a1, b1);\n" + " }\n" + " b3Float4 b3Cross3(b3Float4ConstArg v0,b3Float4ConstArg v1)\n" + " {\n" + " float4 a1 = b3MakeFloat4(v0.xyz,0.f);\n" + " float4 b1 = b3MakeFloat4(v1.xyz,0.f);\n" + " return cross(a1, b1);\n" + " }\n" + " #define b3MinFloat4 min\n" + " #define b3MaxFloat4 max\n" + " #define b3Normalized(a) normalize(a)\n" + "#endif \n" + " \n" + "inline bool b3IsAlmostZero(b3Float4ConstArg v)\n" + "{\n" + " if(b3Fabs(v.x)>1e-6 || b3Fabs(v.y)>1e-6 || b3Fabs(v.z)>1e-6) \n" + " return false;\n" + " return true;\n" + "}\n" + "inline int b3MaxDot( b3Float4ConstArg vec, __global const b3Float4* vecArray, int vecLen, float* dotOut )\n" + "{\n" + " float maxDot = -B3_INFINITY;\n" + " int i = 0;\n" + " int ptIndex = -1;\n" + " for( i = 0; i < vecLen; i++ )\n" + " {\n" + " float dot = b3Dot3F4(vecArray[i],vec);\n" + " \n" + " if( dot > maxDot )\n" + " {\n" + " maxDot = dot;\n" + " ptIndex = i;\n" + " }\n" + " }\n" + " b3Assert(ptIndex>=0);\n" + " if (ptIndex<0)\n" + " {\n" + " ptIndex = 0;\n" + " }\n" + " *dotOut = maxDot;\n" + " return ptIndex;\n" + "}\n" + "#endif //B3_FLOAT4_H\n" + "#ifndef B3_MAT3x3_H\n" + "#define B3_MAT3x3_H\n" + "#ifndef B3_QUAT_H\n" + "#define B3_QUAT_H\n" + "#ifndef B3_PLATFORM_DEFINITIONS_H\n" + "#ifdef __cplusplus\n" + "#else\n" + "#endif\n" + "#endif\n" + "#ifndef B3_FLOAT4_H\n" + "#ifdef __cplusplus\n" + "#else\n" + "#endif \n" + "#endif //B3_FLOAT4_H\n" + "#ifdef __cplusplus\n" + "#else\n" + " typedef float4 b3Quat;\n" + " #define b3QuatConstArg const b3Quat\n" + " \n" + " \n" + "inline float4 b3FastNormalize4(float4 v)\n" + "{\n" + " v = (float4)(v.xyz,0.f);\n" + " return fast_normalize(v);\n" + "}\n" + " \n" + "inline b3Quat b3QuatMul(b3Quat a, b3Quat b);\n" + "inline b3Quat b3QuatNormalized(b3QuatConstArg in);\n" + "inline b3Quat b3QuatRotate(b3QuatConstArg q, b3QuatConstArg vec);\n" + "inline b3Quat b3QuatInvert(b3QuatConstArg q);\n" + "inline b3Quat b3QuatInverse(b3QuatConstArg q);\n" + "inline b3Quat b3QuatMul(b3QuatConstArg a, b3QuatConstArg b)\n" + "{\n" + " b3Quat ans;\n" + " ans = b3Cross3( a, b );\n" + " ans += a.w*b+b.w*a;\n" + "// ans.w = a.w*b.w - (a.x*b.x+a.y*b.y+a.z*b.z);\n" + " ans.w = a.w*b.w - b3Dot3F4(a, b);\n" + " return ans;\n" + "}\n" + "inline b3Quat b3QuatNormalized(b3QuatConstArg in)\n" + "{\n" + " b3Quat q;\n" + " q=in;\n" + " //return b3FastNormalize4(in);\n" + " float len = native_sqrt(dot(q, q));\n" + " if(len > 0.f)\n" + " {\n" + " q *= 1.f / len;\n" + " }\n" + " else\n" + " {\n" + " q.x = q.y = q.z = 0.f;\n" + " q.w = 1.f;\n" + " }\n" + " return q;\n" + "}\n" + "inline float4 b3QuatRotate(b3QuatConstArg q, b3QuatConstArg vec)\n" + "{\n" + " b3Quat qInv = b3QuatInvert( q );\n" + " float4 vcpy = vec;\n" + " vcpy.w = 0.f;\n" + " float4 out = b3QuatMul(b3QuatMul(q,vcpy),qInv);\n" + " return out;\n" + "}\n" + "inline b3Quat b3QuatInverse(b3QuatConstArg q)\n" + "{\n" + " return (b3Quat)(-q.xyz, q.w);\n" + "}\n" + "inline b3Quat b3QuatInvert(b3QuatConstArg q)\n" + "{\n" + " return (b3Quat)(-q.xyz, q.w);\n" + "}\n" + "inline float4 b3QuatInvRotate(b3QuatConstArg q, b3QuatConstArg vec)\n" + "{\n" + " return b3QuatRotate( b3QuatInvert( q ), vec );\n" + "}\n" + "inline b3Float4 b3TransformPoint(b3Float4ConstArg point, b3Float4ConstArg translation, b3QuatConstArg orientation)\n" + "{\n" + " return b3QuatRotate( orientation, point ) + (translation);\n" + "}\n" + " \n" + "#endif \n" + "#endif //B3_QUAT_H\n" + "#ifdef __cplusplus\n" + "#else\n" + "typedef struct\n" + "{\n" + " b3Float4 m_row[3];\n" + "}b3Mat3x3;\n" + "#define b3Mat3x3ConstArg const b3Mat3x3\n" + "#define b3GetRow(m,row) (m.m_row[row])\n" + "inline b3Mat3x3 b3QuatGetRotationMatrix(b3Quat quat)\n" + "{\n" + " b3Float4 quat2 = (b3Float4)(quat.x*quat.x, quat.y*quat.y, quat.z*quat.z, 0.f);\n" + " b3Mat3x3 out;\n" + " out.m_row[0].x=1-2*quat2.y-2*quat2.z;\n" + " out.m_row[0].y=2*quat.x*quat.y-2*quat.w*quat.z;\n" + " out.m_row[0].z=2*quat.x*quat.z+2*quat.w*quat.y;\n" + " out.m_row[0].w = 0.f;\n" + " out.m_row[1].x=2*quat.x*quat.y+2*quat.w*quat.z;\n" + " out.m_row[1].y=1-2*quat2.x-2*quat2.z;\n" + " out.m_row[1].z=2*quat.y*quat.z-2*quat.w*quat.x;\n" + " out.m_row[1].w = 0.f;\n" + " out.m_row[2].x=2*quat.x*quat.z-2*quat.w*quat.y;\n" + " out.m_row[2].y=2*quat.y*quat.z+2*quat.w*quat.x;\n" + " out.m_row[2].z=1-2*quat2.x-2*quat2.y;\n" + " out.m_row[2].w = 0.f;\n" + " return out;\n" + "}\n" + "inline b3Mat3x3 b3AbsoluteMat3x3(b3Mat3x3ConstArg matIn)\n" + "{\n" + " b3Mat3x3 out;\n" + " out.m_row[0] = fabs(matIn.m_row[0]);\n" + " out.m_row[1] = fabs(matIn.m_row[1]);\n" + " out.m_row[2] = fabs(matIn.m_row[2]);\n" + " return out;\n" + "}\n" + "__inline\n" + "b3Mat3x3 mtZero();\n" + "__inline\n" + "b3Mat3x3 mtIdentity();\n" + "__inline\n" + "b3Mat3x3 mtTranspose(b3Mat3x3 m);\n" + "__inline\n" + "b3Mat3x3 mtMul(b3Mat3x3 a, b3Mat3x3 b);\n" + "__inline\n" + "b3Float4 mtMul1(b3Mat3x3 a, b3Float4 b);\n" + "__inline\n" + "b3Float4 mtMul3(b3Float4 a, b3Mat3x3 b);\n" + "__inline\n" + "b3Mat3x3 mtZero()\n" + "{\n" + " b3Mat3x3 m;\n" + " m.m_row[0] = (b3Float4)(0.f);\n" + " m.m_row[1] = (b3Float4)(0.f);\n" + " m.m_row[2] = (b3Float4)(0.f);\n" + " return m;\n" + "}\n" + "__inline\n" + "b3Mat3x3 mtIdentity()\n" + "{\n" + " b3Mat3x3 m;\n" + " m.m_row[0] = (b3Float4)(1,0,0,0);\n" + " m.m_row[1] = (b3Float4)(0,1,0,0);\n" + " m.m_row[2] = (b3Float4)(0,0,1,0);\n" + " return m;\n" + "}\n" + "__inline\n" + "b3Mat3x3 mtTranspose(b3Mat3x3 m)\n" + "{\n" + " b3Mat3x3 out;\n" + " out.m_row[0] = (b3Float4)(m.m_row[0].x, m.m_row[1].x, m.m_row[2].x, 0.f);\n" + " out.m_row[1] = (b3Float4)(m.m_row[0].y, m.m_row[1].y, m.m_row[2].y, 0.f);\n" + " out.m_row[2] = (b3Float4)(m.m_row[0].z, m.m_row[1].z, m.m_row[2].z, 0.f);\n" + " return out;\n" + "}\n" + "__inline\n" + "b3Mat3x3 mtMul(b3Mat3x3 a, b3Mat3x3 b)\n" + "{\n" + " b3Mat3x3 transB;\n" + " transB = mtTranspose( b );\n" + " b3Mat3x3 ans;\n" + " // why this doesn't run when 0ing in the for{}\n" + " a.m_row[0].w = 0.f;\n" + " a.m_row[1].w = 0.f;\n" + " a.m_row[2].w = 0.f;\n" + " for(int i=0; i<3; i++)\n" + " {\n" + "// a.m_row[i].w = 0.f;\n" + " ans.m_row[i].x = b3Dot3F4(a.m_row[i],transB.m_row[0]);\n" + " ans.m_row[i].y = b3Dot3F4(a.m_row[i],transB.m_row[1]);\n" + " ans.m_row[i].z = b3Dot3F4(a.m_row[i],transB.m_row[2]);\n" + " ans.m_row[i].w = 0.f;\n" + " }\n" + " return ans;\n" + "}\n" + "__inline\n" + "b3Float4 mtMul1(b3Mat3x3 a, b3Float4 b)\n" + "{\n" + " b3Float4 ans;\n" + " ans.x = b3Dot3F4( a.m_row[0], b );\n" + " ans.y = b3Dot3F4( a.m_row[1], b );\n" + " ans.z = b3Dot3F4( a.m_row[2], b );\n" + " ans.w = 0.f;\n" + " return ans;\n" + "}\n" + "__inline\n" + "b3Float4 mtMul3(b3Float4 a, b3Mat3x3 b)\n" + "{\n" + " b3Float4 colx = b3MakeFloat4(b.m_row[0].x, b.m_row[1].x, b.m_row[2].x, 0);\n" + " b3Float4 coly = b3MakeFloat4(b.m_row[0].y, b.m_row[1].y, b.m_row[2].y, 0);\n" + " b3Float4 colz = b3MakeFloat4(b.m_row[0].z, b.m_row[1].z, b.m_row[2].z, 0);\n" + " b3Float4 ans;\n" + " ans.x = b3Dot3F4( a, colx );\n" + " ans.y = b3Dot3F4( a, coly );\n" + " ans.z = b3Dot3F4( a, colz );\n" + " return ans;\n" + "}\n" + "#endif\n" + "#endif //B3_MAT3x3_H\n" + "typedef struct b3Aabb b3Aabb_t;\n" + "struct b3Aabb\n" + "{\n" + " union\n" + " {\n" + " float m_min[4];\n" + " b3Float4 m_minVec;\n" + " int m_minIndices[4];\n" + " };\n" + " union\n" + " {\n" + " float m_max[4];\n" + " b3Float4 m_maxVec;\n" + " int m_signedMaxIndices[4];\n" + " };\n" + "};\n" + "inline void b3TransformAabb2(b3Float4ConstArg localAabbMin,b3Float4ConstArg localAabbMax, float margin,\n" + " b3Float4ConstArg pos,\n" + " b3QuatConstArg orn,\n" + " b3Float4* aabbMinOut,b3Float4* aabbMaxOut)\n" + "{\n" + " b3Float4 localHalfExtents = 0.5f*(localAabbMax-localAabbMin);\n" + " localHalfExtents+=b3MakeFloat4(margin,margin,margin,0.f);\n" + " b3Float4 localCenter = 0.5f*(localAabbMax+localAabbMin);\n" + " b3Mat3x3 m;\n" + " m = b3QuatGetRotationMatrix(orn);\n" + " b3Mat3x3 abs_b = b3AbsoluteMat3x3(m);\n" + " b3Float4 center = b3TransformPoint(localCenter,pos,orn);\n" + " \n" + " b3Float4 extent = b3MakeFloat4(b3Dot3F4(localHalfExtents,b3GetRow(abs_b,0)),\n" + " b3Dot3F4(localHalfExtents,b3GetRow(abs_b,1)),\n" + " b3Dot3F4(localHalfExtents,b3GetRow(abs_b,2)),\n" + " 0.f);\n" + " *aabbMinOut = center-extent;\n" + " *aabbMaxOut = center+extent;\n" + "}\n" + "/// conservative test for overlap between two aabbs\n" + "inline bool b3TestAabbAgainstAabb(b3Float4ConstArg aabbMin1,b3Float4ConstArg aabbMax1,\n" + " b3Float4ConstArg aabbMin2, b3Float4ConstArg aabbMax2)\n" + "{\n" + " bool overlap = true;\n" + " overlap = (aabbMin1.x > aabbMax2.x || aabbMax1.x < aabbMin2.x) ? false : overlap;\n" + " overlap = (aabbMin1.z > aabbMax2.z || aabbMax1.z < aabbMin2.z) ? false : overlap;\n" + " overlap = (aabbMin1.y > aabbMax2.y || aabbMax1.y < aabbMin2.y) ? false : overlap;\n" + " return overlap;\n" + "}\n" + "#endif //B3_AABB_H\n" + "/*\n" + "Bullet Continuous Collision Detection and Physics Library\n" + "Copyright (c) 2003-2013 Erwin Coumans http://bulletphysics.org\n" + "This software is provided 'as-is', without any express or implied warranty.\n" + "In no event will the authors be held liable for any damages arising from the use of this software.\n" + "Permission is granted to anyone to use this software for any purpose,\n" + "including commercial applications, and to alter it and redistribute it freely,\n" + "subject to the following restrictions:\n" + "1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required.\n" + "2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.\n" + "3. This notice may not be removed or altered from any source distribution.\n" + "*/\n" + "#ifndef B3_INT2_H\n" + "#define B3_INT2_H\n" + "#ifdef __cplusplus\n" + "#else\n" + "#define b3UnsignedInt2 uint2\n" + "#define b3Int2 int2\n" + "#define b3MakeInt2 (int2)\n" + "#endif //__cplusplus\n" + "#endif\n" + "typedef struct\n" + "{\n" + " float4 m_plane;\n" + " int m_indexOffset;\n" + " int m_numIndices;\n" + "} btGpuFace;\n" + "#define make_float4 (float4)\n" + "__inline\n" + "float4 cross3(float4 a, float4 b)\n" + "{\n" + " return cross(a,b);\n" + " \n" + "// float4 a1 = make_float4(a.xyz,0.f);\n" + "// float4 b1 = make_float4(b.xyz,0.f);\n" + "// return cross(a1,b1);\n" + "//float4 c = make_float4(a.y*b.z - a.z*b.y,a.z*b.x - a.x*b.z,a.x*b.y - a.y*b.x,0.f);\n" + " \n" + " // float4 c = make_float4(a.y*b.z - a.z*b.y,1.f,a.x*b.y - a.y*b.x,0.f);\n" + " \n" + " //return c;\n" + "}\n" + "__inline\n" + "float dot3F4(float4 a, float4 b)\n" + "{\n" + " float4 a1 = make_float4(a.xyz,0.f);\n" + " float4 b1 = make_float4(b.xyz,0.f);\n" + " return dot(a1, b1);\n" + "}\n" + "__inline\n" + "float4 fastNormalize4(float4 v)\n" + "{\n" + " v = make_float4(v.xyz,0.f);\n" + " return fast_normalize(v);\n" + "}\n" + "///////////////////////////////////////\n" + "// Quaternion\n" + "///////////////////////////////////////\n" + "typedef float4 Quaternion;\n" + "__inline\n" + "Quaternion qtMul(Quaternion a, Quaternion b);\n" + "__inline\n" + "Quaternion qtNormalize(Quaternion in);\n" + "__inline\n" + "float4 qtRotate(Quaternion q, float4 vec);\n" + "__inline\n" + "Quaternion qtInvert(Quaternion q);\n" + "__inline\n" + "Quaternion qtMul(Quaternion a, Quaternion b)\n" + "{\n" + " Quaternion ans;\n" + " ans = cross3( a, b );\n" + " ans += a.w*b+b.w*a;\n" + "// ans.w = a.w*b.w - (a.x*b.x+a.y*b.y+a.z*b.z);\n" + " ans.w = a.w*b.w - dot3F4(a, b);\n" + " return ans;\n" + "}\n" + "__inline\n" + "Quaternion qtNormalize(Quaternion in)\n" + "{\n" + " return fastNormalize4(in);\n" + "// in /= length( in );\n" + "// return in;\n" + "}\n" + "__inline\n" + "float4 qtRotate(Quaternion q, float4 vec)\n" + "{\n" + " Quaternion qInv = qtInvert( q );\n" + " float4 vcpy = vec;\n" + " vcpy.w = 0.f;\n" + " float4 out = qtMul(qtMul(q,vcpy),qInv);\n" + " return out;\n" + "}\n" + "__inline\n" + "Quaternion qtInvert(Quaternion q)\n" + "{\n" + " return (Quaternion)(-q.xyz, q.w);\n" + "}\n" + "__inline\n" + "float4 qtInvRotate(const Quaternion q, float4 vec)\n" + "{\n" + " return qtRotate( qtInvert( q ), vec );\n" + "}\n" + "__inline\n" + "float4 transform(const float4* p, const float4* translation, const Quaternion* orientation)\n" + "{\n" + " return qtRotate( *orientation, *p ) + (*translation);\n" + "}\n" + "__inline\n" + "float4 normalize3(const float4 a)\n" + "{\n" + " float4 n = make_float4(a.x, a.y, a.z, 0.f);\n" + " return fastNormalize4( n );\n" + "}\n" + "inline void projectLocal(const ConvexPolyhedronCL* hull, const float4 pos, const float4 orn, \n" + "const float4* dir, const float4* vertices, float* min, float* max)\n" + "{\n" + " min[0] = FLT_MAX;\n" + " max[0] = -FLT_MAX;\n" + " int numVerts = hull->m_numVertices;\n" + " const float4 localDir = qtInvRotate(orn,*dir);\n" + " float offset = dot(pos,*dir);\n" + " for(int i=0;i<numVerts;i++)\n" + " {\n" + " float dp = dot(vertices[hull->m_vertexOffset+i],localDir);\n" + " if(dp < min[0]) \n" + " min[0] = dp;\n" + " if(dp > max[0]) \n" + " max[0] = dp;\n" + " }\n" + " if(min[0]>max[0])\n" + " {\n" + " float tmp = min[0];\n" + " min[0] = max[0];\n" + " max[0] = tmp;\n" + " }\n" + " min[0] += offset;\n" + " max[0] += offset;\n" + "}\n" + "inline void project(__global const ConvexPolyhedronCL* hull, const float4 pos, const float4 orn, \n" + "const float4* dir, __global const float4* vertices, float* min, float* max)\n" + "{\n" + " min[0] = FLT_MAX;\n" + " max[0] = -FLT_MAX;\n" + " int numVerts = hull->m_numVertices;\n" + " const float4 localDir = qtInvRotate(orn,*dir);\n" + " float offset = dot(pos,*dir);\n" + " for(int i=0;i<numVerts;i++)\n" + " {\n" + " float dp = dot(vertices[hull->m_vertexOffset+i],localDir);\n" + " if(dp < min[0]) \n" + " min[0] = dp;\n" + " if(dp > max[0]) \n" + " max[0] = dp;\n" + " }\n" + " if(min[0]>max[0])\n" + " {\n" + " float tmp = min[0];\n" + " min[0] = max[0];\n" + " max[0] = tmp;\n" + " }\n" + " min[0] += offset;\n" + " max[0] += offset;\n" + "}\n" + "inline bool TestSepAxisLocalA(const ConvexPolyhedronCL* hullA, __global const ConvexPolyhedronCL* hullB, \n" + " const float4 posA,const float4 ornA,\n" + " const float4 posB,const float4 ornB,\n" + " float4* sep_axis, const float4* verticesA, __global const float4* verticesB,float* depth)\n" + "{\n" + " float Min0,Max0;\n" + " float Min1,Max1;\n" + " projectLocal(hullA,posA,ornA,sep_axis,verticesA, &Min0, &Max0);\n" + " project(hullB,posB,ornB, sep_axis,verticesB, &Min1, &Max1);\n" + " if(Max0<Min1 || Max1<Min0)\n" + " return false;\n" + " float d0 = Max0 - Min1;\n" + " float d1 = Max1 - Min0;\n" + " *depth = d0<d1 ? d0:d1;\n" + " return true;\n" + "}\n" + "inline bool IsAlmostZero(const float4 v)\n" + "{\n" + " if(fabs(v.x)>1e-6f || fabs(v.y)>1e-6f || fabs(v.z)>1e-6f)\n" + " return false;\n" + " return true;\n" + "}\n" + "bool findSeparatingAxisLocalA( const ConvexPolyhedronCL* hullA, __global const ConvexPolyhedronCL* hullB, \n" + " const float4 posA1,\n" + " const float4 ornA,\n" + " const float4 posB1,\n" + " const float4 ornB,\n" + " const float4 DeltaC2,\n" + " \n" + " const float4* verticesA, \n" + " const float4* uniqueEdgesA, \n" + " const btGpuFace* facesA,\n" + " const int* indicesA,\n" + " __global const float4* verticesB, \n" + " __global const float4* uniqueEdgesB, \n" + " __global const btGpuFace* facesB,\n" + " __global const int* indicesB,\n" + " float4* sep,\n" + " float* dmin)\n" + "{\n" + " \n" + " float4 posA = posA1;\n" + " posA.w = 0.f;\n" + " float4 posB = posB1;\n" + " posB.w = 0.f;\n" + " int curPlaneTests=0;\n" + " {\n" + " int numFacesA = hullA->m_numFaces;\n" + " // Test normals from hullA\n" + " for(int i=0;i<numFacesA;i++)\n" + " {\n" + " const float4 normal = facesA[hullA->m_faceOffset+i].m_plane;\n" + " float4 faceANormalWS = qtRotate(ornA,normal);\n" + " if (dot3F4(DeltaC2,faceANormalWS)<0)\n" + " faceANormalWS*=-1.f;\n" + " curPlaneTests++;\n" + " float d;\n" + " if(!TestSepAxisLocalA( hullA, hullB, posA,ornA,posB,ornB,&faceANormalWS, verticesA, verticesB,&d))\n" + " return false;\n" + " if(d<*dmin)\n" + " {\n" + " *dmin = d;\n" + " *sep = faceANormalWS;\n" + " }\n" + " }\n" + " }\n" + " if((dot3F4(-DeltaC2,*sep))>0.0f)\n" + " {\n" + " *sep = -(*sep);\n" + " }\n" + " return true;\n" + "}\n" + "bool findSeparatingAxisLocalB( __global const ConvexPolyhedronCL* hullA, const ConvexPolyhedronCL* hullB, \n" + " const float4 posA1,\n" + " const float4 ornA,\n" + " const float4 posB1,\n" + " const float4 ornB,\n" + " const float4 DeltaC2,\n" + " __global const float4* verticesA, \n" + " __global const float4* uniqueEdgesA, \n" + " __global const btGpuFace* facesA,\n" + " __global const int* indicesA,\n" + " const float4* verticesB,\n" + " const float4* uniqueEdgesB, \n" + " const btGpuFace* facesB,\n" + " const int* indicesB,\n" + " float4* sep,\n" + " float* dmin)\n" + "{\n" + " float4 posA = posA1;\n" + " posA.w = 0.f;\n" + " float4 posB = posB1;\n" + " posB.w = 0.f;\n" + " int curPlaneTests=0;\n" + " {\n" + " int numFacesA = hullA->m_numFaces;\n" + " // Test normals from hullA\n" + " for(int i=0;i<numFacesA;i++)\n" + " {\n" + " const float4 normal = facesA[hullA->m_faceOffset+i].m_plane;\n" + " float4 faceANormalWS = qtRotate(ornA,normal);\n" + " if (dot3F4(DeltaC2,faceANormalWS)<0)\n" + " faceANormalWS *= -1.f;\n" + " curPlaneTests++;\n" + " float d;\n" + " if(!TestSepAxisLocalA( hullB, hullA, posB,ornB,posA,ornA, &faceANormalWS, verticesB,verticesA, &d))\n" + " return false;\n" + " if(d<*dmin)\n" + " {\n" + " *dmin = d;\n" + " *sep = faceANormalWS;\n" + " }\n" + " }\n" + " }\n" + " if((dot3F4(-DeltaC2,*sep))>0.0f)\n" + " {\n" + " *sep = -(*sep);\n" + " }\n" + " return true;\n" + "}\n" + "bool findSeparatingAxisEdgeEdgeLocalA( const ConvexPolyhedronCL* hullA, __global const ConvexPolyhedronCL* hullB, \n" + " const float4 posA1,\n" + " const float4 ornA,\n" + " const float4 posB1,\n" + " const float4 ornB,\n" + " const float4 DeltaC2,\n" + " const float4* verticesA, \n" + " const float4* uniqueEdgesA, \n" + " const btGpuFace* facesA,\n" + " const int* indicesA,\n" + " __global const float4* verticesB, \n" + " __global const float4* uniqueEdgesB, \n" + " __global const btGpuFace* facesB,\n" + " __global const int* indicesB,\n" + " float4* sep,\n" + " float* dmin)\n" + "{\n" + " float4 posA = posA1;\n" + " posA.w = 0.f;\n" + " float4 posB = posB1;\n" + " posB.w = 0.f;\n" + " int curPlaneTests=0;\n" + " int curEdgeEdge = 0;\n" + " // Test edges\n" + " for(int e0=0;e0<hullA->m_numUniqueEdges;e0++)\n" + " {\n" + " const float4 edge0 = uniqueEdgesA[hullA->m_uniqueEdgesOffset+e0];\n" + " float4 edge0World = qtRotate(ornA,edge0);\n" + " for(int e1=0;e1<hullB->m_numUniqueEdges;e1++)\n" + " {\n" + " const float4 edge1 = uniqueEdgesB[hullB->m_uniqueEdgesOffset+e1];\n" + " float4 edge1World = qtRotate(ornB,edge1);\n" + " float4 crossje = cross3(edge0World,edge1World);\n" + " curEdgeEdge++;\n" + " if(!IsAlmostZero(crossje))\n" + " {\n" + " crossje = normalize3(crossje);\n" + " if (dot3F4(DeltaC2,crossje)<0)\n" + " crossje *= -1.f;\n" + " float dist;\n" + " bool result = true;\n" + " {\n" + " float Min0,Max0;\n" + " float Min1,Max1;\n" + " projectLocal(hullA,posA,ornA,&crossje,verticesA, &Min0, &Max0);\n" + " project(hullB,posB,ornB,&crossje,verticesB, &Min1, &Max1);\n" + " \n" + " if(Max0<Min1 || Max1<Min0)\n" + " result = false;\n" + " \n" + " float d0 = Max0 - Min1;\n" + " float d1 = Max1 - Min0;\n" + " dist = d0<d1 ? d0:d1;\n" + " result = true;\n" + " }\n" + " \n" + " if(dist<*dmin)\n" + " {\n" + " *dmin = dist;\n" + " *sep = crossje;\n" + " }\n" + " }\n" + " }\n" + " }\n" + " \n" + " if((dot3F4(-DeltaC2,*sep))>0.0f)\n" + " {\n" + " *sep = -(*sep);\n" + " }\n" + " return true;\n" + "}\n" + "inline int findClippingFaces(const float4 separatingNormal,\n" + " const ConvexPolyhedronCL* hullA, \n" + " __global const ConvexPolyhedronCL* hullB,\n" + " const float4 posA, const Quaternion ornA,const float4 posB, const Quaternion ornB,\n" + " __global float4* worldVertsA1,\n" + " __global float4* worldNormalsA1,\n" + " __global float4* worldVertsB1,\n" + " int capacityWorldVerts,\n" + " const float minDist, float maxDist,\n" + " const float4* verticesA,\n" + " const btGpuFace* facesA,\n" + " const int* indicesA,\n" + " __global const float4* verticesB,\n" + " __global const btGpuFace* facesB,\n" + " __global const int* indicesB,\n" + " __global int4* clippingFaces, int pairIndex)\n" + "{\n" + " int numContactsOut = 0;\n" + " int numWorldVertsB1= 0;\n" + " \n" + " \n" + " int closestFaceB=0;\n" + " float dmax = -FLT_MAX;\n" + " \n" + " {\n" + " for(int face=0;face<hullB->m_numFaces;face++)\n" + " {\n" + " const float4 Normal = make_float4(facesB[hullB->m_faceOffset+face].m_plane.x,\n" + " facesB[hullB->m_faceOffset+face].m_plane.y, facesB[hullB->m_faceOffset+face].m_plane.z,0.f);\n" + " const float4 WorldNormal = qtRotate(ornB, Normal);\n" + " float d = dot3F4(WorldNormal,separatingNormal);\n" + " if (d > dmax)\n" + " {\n" + " dmax = d;\n" + " closestFaceB = face;\n" + " }\n" + " }\n" + " }\n" + " \n" + " {\n" + " const btGpuFace polyB = facesB[hullB->m_faceOffset+closestFaceB];\n" + " int numVertices = polyB.m_numIndices;\n" + " if (numVertices>capacityWorldVerts)\n" + " numVertices = capacityWorldVerts;\n" + " if (numVertices<0)\n" + " numVertices = 0;\n" + " \n" + " for(int e0=0;e0<numVertices;e0++)\n" + " {\n" + " if (e0<capacityWorldVerts)\n" + " {\n" + " const float4 b = verticesB[hullB->m_vertexOffset+indicesB[polyB.m_indexOffset+e0]];\n" + " worldVertsB1[pairIndex*capacityWorldVerts+numWorldVertsB1++] = transform(&b,&posB,&ornB);\n" + " }\n" + " }\n" + " }\n" + " \n" + " int closestFaceA=0;\n" + " {\n" + " float dmin = FLT_MAX;\n" + " for(int face=0;face<hullA->m_numFaces;face++)\n" + " {\n" + " const float4 Normal = make_float4(\n" + " facesA[hullA->m_faceOffset+face].m_plane.x,\n" + " facesA[hullA->m_faceOffset+face].m_plane.y,\n" + " facesA[hullA->m_faceOffset+face].m_plane.z,\n" + " 0.f);\n" + " const float4 faceANormalWS = qtRotate(ornA,Normal);\n" + " \n" + " float d = dot3F4(faceANormalWS,separatingNormal);\n" + " if (d < dmin)\n" + " {\n" + " dmin = d;\n" + " closestFaceA = face;\n" + " worldNormalsA1[pairIndex] = faceANormalWS;\n" + " }\n" + " }\n" + " }\n" + " \n" + " int numVerticesA = facesA[hullA->m_faceOffset+closestFaceA].m_numIndices;\n" + " if (numVerticesA>capacityWorldVerts)\n" + " numVerticesA = capacityWorldVerts;\n" + " if (numVerticesA<0)\n" + " numVerticesA=0;\n" + " \n" + " for(int e0=0;e0<numVerticesA;e0++)\n" + " {\n" + " if (e0<capacityWorldVerts)\n" + " {\n" + " const float4 a = verticesA[hullA->m_vertexOffset+indicesA[facesA[hullA->m_faceOffset+closestFaceA].m_indexOffset+e0]];\n" + " worldVertsA1[pairIndex*capacityWorldVerts+e0] = transform(&a, &posA,&ornA);\n" + " }\n" + " }\n" + " \n" + " clippingFaces[pairIndex].x = closestFaceA;\n" + " clippingFaces[pairIndex].y = closestFaceB;\n" + " clippingFaces[pairIndex].z = numVerticesA;\n" + " clippingFaces[pairIndex].w = numWorldVertsB1;\n" + " \n" + " \n" + " return numContactsOut;\n" + "}\n" + "// work-in-progress\n" + "__kernel void findConcaveSeparatingAxisVertexFaceKernel( __global int4* concavePairs,\n" + " __global const BodyData* rigidBodies,\n" + " __global const btCollidableGpu* collidables,\n" + " __global const ConvexPolyhedronCL* convexShapes,\n" + " __global const float4* vertices,\n" + " __global const float4* uniqueEdges,\n" + " __global const btGpuFace* faces,\n" + " __global const int* indices,\n" + " __global const btGpuChildShape* gpuChildShapes,\n" + " __global btAabbCL* aabbs,\n" + " __global float4* concaveSeparatingNormalsOut,\n" + " __global int* concaveHasSeparatingNormals,\n" + " __global int4* clippingFacesOut,\n" + " __global float4* worldVertsA1GPU,\n" + " __global float4* worldNormalsAGPU,\n" + " __global float4* worldVertsB1GPU,\n" + " __global float* dmins,\n" + " int vertexFaceCapacity,\n" + " int numConcavePairs\n" + " )\n" + "{\n" + " \n" + " int i = get_global_id(0);\n" + " if (i>=numConcavePairs)\n" + " return;\n" + " \n" + " concaveHasSeparatingNormals[i] = 0;\n" + " \n" + " int pairIdx = i;\n" + " \n" + " int bodyIndexA = concavePairs[i].x;\n" + " int bodyIndexB = concavePairs[i].y;\n" + " \n" + " int collidableIndexA = rigidBodies[bodyIndexA].m_collidableIdx;\n" + " int collidableIndexB = rigidBodies[bodyIndexB].m_collidableIdx;\n" + " \n" + " int shapeIndexA = collidables[collidableIndexA].m_shapeIndex;\n" + " int shapeIndexB = collidables[collidableIndexB].m_shapeIndex;\n" + " \n" + " if (collidables[collidableIndexB].m_shapeType!=SHAPE_CONVEX_HULL&&\n" + " collidables[collidableIndexB].m_shapeType!=SHAPE_COMPOUND_OF_CONVEX_HULLS)\n" + " {\n" + " concavePairs[pairIdx].w = -1;\n" + " return;\n" + " }\n" + " \n" + " \n" + " \n" + " int numFacesA = convexShapes[shapeIndexA].m_numFaces;\n" + " int numActualConcaveConvexTests = 0;\n" + " \n" + " int f = concavePairs[i].z;\n" + " \n" + " bool overlap = false;\n" + " \n" + " ConvexPolyhedronCL convexPolyhedronA;\n" + " \n" + " //add 3 vertices of the triangle\n" + " convexPolyhedronA.m_numVertices = 3;\n" + " convexPolyhedronA.m_vertexOffset = 0;\n" + " float4 localCenter = make_float4(0.f,0.f,0.f,0.f);\n" + " \n" + " btGpuFace face = faces[convexShapes[shapeIndexA].m_faceOffset+f];\n" + " float4 triMinAabb, triMaxAabb;\n" + " btAabbCL triAabb;\n" + " triAabb.m_min = make_float4(1e30f,1e30f,1e30f,0.f);\n" + " triAabb.m_max = make_float4(-1e30f,-1e30f,-1e30f,0.f);\n" + " \n" + " float4 verticesA[3];\n" + " for (int i=0;i<3;i++)\n" + " {\n" + " int index = indices[face.m_indexOffset+i];\n" + " float4 vert = vertices[convexShapes[shapeIndexA].m_vertexOffset+index];\n" + " verticesA[i] = vert;\n" + " localCenter += vert;\n" + " \n" + " triAabb.m_min = min(triAabb.m_min,vert);\n" + " triAabb.m_max = max(triAabb.m_max,vert);\n" + " \n" + " }\n" + " \n" + " overlap = true;\n" + " overlap = (triAabb.m_min.x > aabbs[bodyIndexB].m_max.x || triAabb.m_max.x < aabbs[bodyIndexB].m_min.x) ? false : overlap;\n" + " overlap = (triAabb.m_min.z > aabbs[bodyIndexB].m_max.z || triAabb.m_max.z < aabbs[bodyIndexB].m_min.z) ? false : overlap;\n" + " overlap = (triAabb.m_min.y > aabbs[bodyIndexB].m_max.y || triAabb.m_max.y < aabbs[bodyIndexB].m_min.y) ? false : overlap;\n" + " \n" + " if (overlap)\n" + " {\n" + " float dmin = FLT_MAX;\n" + " int hasSeparatingAxis=5;\n" + " float4 sepAxis=make_float4(1,2,3,4);\n" + " \n" + " int localCC=0;\n" + " numActualConcaveConvexTests++;\n" + " \n" + " //a triangle has 3 unique edges\n" + " convexPolyhedronA.m_numUniqueEdges = 3;\n" + " convexPolyhedronA.m_uniqueEdgesOffset = 0;\n" + " float4 uniqueEdgesA[3];\n" + " \n" + " uniqueEdgesA[0] = (verticesA[1]-verticesA[0]);\n" + " uniqueEdgesA[1] = (verticesA[2]-verticesA[1]);\n" + " uniqueEdgesA[2] = (verticesA[0]-verticesA[2]);\n" + " \n" + " \n" + " convexPolyhedronA.m_faceOffset = 0;\n" + " \n" + " float4 normal = make_float4(face.m_plane.x,face.m_plane.y,face.m_plane.z,0.f);\n" + " \n" + " btGpuFace facesA[TRIANGLE_NUM_CONVEX_FACES];\n" + " int indicesA[3+3+2+2+2];\n" + " int curUsedIndices=0;\n" + " int fidx=0;\n" + " \n" + " //front size of triangle\n" + " {\n" + " facesA[fidx].m_indexOffset=curUsedIndices;\n" + " indicesA[0] = 0;\n" + " indicesA[1] = 1;\n" + " indicesA[2] = 2;\n" + " curUsedIndices+=3;\n" + " float c = face.m_plane.w;\n" + " facesA[fidx].m_plane.x = normal.x;\n" + " facesA[fidx].m_plane.y = normal.y;\n" + " facesA[fidx].m_plane.z = normal.z;\n" + " facesA[fidx].m_plane.w = c;\n" + " facesA[fidx].m_numIndices=3;\n" + " }\n" + " fidx++;\n" + " //back size of triangle\n" + " {\n" + " facesA[fidx].m_indexOffset=curUsedIndices;\n" + " indicesA[3]=2;\n" + " indicesA[4]=1;\n" + " indicesA[5]=0;\n" + " curUsedIndices+=3;\n" + " float c = dot(normal,verticesA[0]);\n" + " float c1 = -face.m_plane.w;\n" + " facesA[fidx].m_plane.x = -normal.x;\n" + " facesA[fidx].m_plane.y = -normal.y;\n" + " facesA[fidx].m_plane.z = -normal.z;\n" + " facesA[fidx].m_plane.w = c;\n" + " facesA[fidx].m_numIndices=3;\n" + " }\n" + " fidx++;\n" + " \n" + " bool addEdgePlanes = true;\n" + " if (addEdgePlanes)\n" + " {\n" + " int numVertices=3;\n" + " int prevVertex = numVertices-1;\n" + " for (int i=0;i<numVertices;i++)\n" + " {\n" + " float4 v0 = verticesA[i];\n" + " float4 v1 = verticesA[prevVertex];\n" + " \n" + " float4 edgeNormal = normalize(cross(normal,v1-v0));\n" + " float c = -dot(edgeNormal,v0);\n" + " \n" + " facesA[fidx].m_numIndices = 2;\n" + " facesA[fidx].m_indexOffset=curUsedIndices;\n" + " indicesA[curUsedIndices++]=i;\n" + " indicesA[curUsedIndices++]=prevVertex;\n" + " \n" + " facesA[fidx].m_plane.x = edgeNormal.x;\n" + " facesA[fidx].m_plane.y = edgeNormal.y;\n" + " facesA[fidx].m_plane.z = edgeNormal.z;\n" + " facesA[fidx].m_plane.w = c;\n" + " fidx++;\n" + " prevVertex = i;\n" + " }\n" + " }\n" + " convexPolyhedronA.m_numFaces = TRIANGLE_NUM_CONVEX_FACES;\n" + " convexPolyhedronA.m_localCenter = localCenter*(1.f/3.f);\n" + " \n" + " \n" + " float4 posA = rigidBodies[bodyIndexA].m_pos;\n" + " posA.w = 0.f;\n" + " float4 posB = rigidBodies[bodyIndexB].m_pos;\n" + " posB.w = 0.f;\n" + " \n" + " float4 ornA = rigidBodies[bodyIndexA].m_quat;\n" + " float4 ornB =rigidBodies[bodyIndexB].m_quat;\n" + " \n" + " \n" + " \n" + " \n" + " ///////////////////\n" + " ///compound shape support\n" + " \n" + " if (collidables[collidableIndexB].m_shapeType==SHAPE_COMPOUND_OF_CONVEX_HULLS)\n" + " {\n" + " int compoundChild = concavePairs[pairIdx].w;\n" + " int childShapeIndexB = compoundChild;//collidables[collidableIndexB].m_shapeIndex+compoundChild;\n" + " int childColIndexB = gpuChildShapes[childShapeIndexB].m_shapeIndex;\n" + " float4 childPosB = gpuChildShapes[childShapeIndexB].m_childPosition;\n" + " float4 childOrnB = gpuChildShapes[childShapeIndexB].m_childOrientation;\n" + " float4 newPosB = transform(&childPosB,&posB,&ornB);\n" + " float4 newOrnB = qtMul(ornB,childOrnB);\n" + " posB = newPosB;\n" + " ornB = newOrnB;\n" + " shapeIndexB = collidables[childColIndexB].m_shapeIndex;\n" + " }\n" + " //////////////////\n" + " \n" + " float4 c0local = convexPolyhedronA.m_localCenter;\n" + " float4 c0 = transform(&c0local, &posA, &ornA);\n" + " float4 c1local = convexShapes[shapeIndexB].m_localCenter;\n" + " float4 c1 = transform(&c1local,&posB,&ornB);\n" + " const float4 DeltaC2 = c0 - c1;\n" + " \n" + " \n" + " bool sepA = findSeparatingAxisLocalA( &convexPolyhedronA, &convexShapes[shapeIndexB],\n" + " posA,ornA,\n" + " posB,ornB,\n" + " DeltaC2,\n" + " verticesA,uniqueEdgesA,facesA,indicesA,\n" + " vertices,uniqueEdges,faces,indices,\n" + " &sepAxis,&dmin);\n" + " hasSeparatingAxis = 4;\n" + " if (!sepA)\n" + " {\n" + " hasSeparatingAxis = 0;\n" + " } else\n" + " {\n" + " bool sepB = findSeparatingAxisLocalB( &convexShapes[shapeIndexB],&convexPolyhedronA,\n" + " posB,ornB,\n" + " posA,ornA,\n" + " DeltaC2,\n" + " vertices,uniqueEdges,faces,indices,\n" + " verticesA,uniqueEdgesA,facesA,indicesA,\n" + " &sepAxis,&dmin);\n" + " \n" + " if (!sepB)\n" + " {\n" + " hasSeparatingAxis = 0;\n" + " } else\n" + " {\n" + " hasSeparatingAxis = 1;\n" + " }\n" + " } \n" + " \n" + " if (hasSeparatingAxis)\n" + " {\n" + " dmins[i] = dmin;\n" + " concaveSeparatingNormalsOut[pairIdx]=sepAxis;\n" + " concaveHasSeparatingNormals[i]=1;\n" + " \n" + " } else\n" + " { \n" + " //mark this pair as in-active\n" + " concavePairs[pairIdx].w = -1;\n" + " }\n" + " }\n" + " else\n" + " { \n" + " //mark this pair as in-active\n" + " concavePairs[pairIdx].w = -1;\n" + " }\n" + "}\n" + "// work-in-progress\n" + "__kernel void findConcaveSeparatingAxisEdgeEdgeKernel( __global int4* concavePairs,\n" + " __global const BodyData* rigidBodies,\n" + " __global const btCollidableGpu* collidables,\n" + " __global const ConvexPolyhedronCL* convexShapes,\n" + " __global const float4* vertices,\n" + " __global const float4* uniqueEdges,\n" + " __global const btGpuFace* faces,\n" + " __global const int* indices,\n" + " __global const btGpuChildShape* gpuChildShapes,\n" + " __global btAabbCL* aabbs,\n" + " __global float4* concaveSeparatingNormalsOut,\n" + " __global int* concaveHasSeparatingNormals,\n" + " __global int4* clippingFacesOut,\n" + " __global float4* worldVertsA1GPU,\n" + " __global float4* worldNormalsAGPU,\n" + " __global float4* worldVertsB1GPU,\n" + " __global float* dmins,\n" + " int vertexFaceCapacity,\n" + " int numConcavePairs\n" + " )\n" + "{\n" + " \n" + " int i = get_global_id(0);\n" + " if (i>=numConcavePairs)\n" + " return;\n" + " \n" + " if (!concaveHasSeparatingNormals[i])\n" + " return;\n" + " \n" + " int pairIdx = i;\n" + " \n" + " int bodyIndexA = concavePairs[i].x;\n" + " int bodyIndexB = concavePairs[i].y;\n" + " \n" + " int collidableIndexA = rigidBodies[bodyIndexA].m_collidableIdx;\n" + " int collidableIndexB = rigidBodies[bodyIndexB].m_collidableIdx;\n" + " \n" + " int shapeIndexA = collidables[collidableIndexA].m_shapeIndex;\n" + " int shapeIndexB = collidables[collidableIndexB].m_shapeIndex;\n" + " \n" + " \n" + " int numFacesA = convexShapes[shapeIndexA].m_numFaces;\n" + " int numActualConcaveConvexTests = 0;\n" + " \n" + " int f = concavePairs[i].z;\n" + " \n" + " bool overlap = false;\n" + " \n" + " ConvexPolyhedronCL convexPolyhedronA;\n" + " \n" + " //add 3 vertices of the triangle\n" + " convexPolyhedronA.m_numVertices = 3;\n" + " convexPolyhedronA.m_vertexOffset = 0;\n" + " float4 localCenter = make_float4(0.f,0.f,0.f,0.f);\n" + " \n" + " btGpuFace face = faces[convexShapes[shapeIndexA].m_faceOffset+f];\n" + " float4 triMinAabb, triMaxAabb;\n" + " btAabbCL triAabb;\n" + " triAabb.m_min = make_float4(1e30f,1e30f,1e30f,0.f);\n" + " triAabb.m_max = make_float4(-1e30f,-1e30f,-1e30f,0.f);\n" + " \n" + " float4 verticesA[3];\n" + " for (int i=0;i<3;i++)\n" + " {\n" + " int index = indices[face.m_indexOffset+i];\n" + " float4 vert = vertices[convexShapes[shapeIndexA].m_vertexOffset+index];\n" + " verticesA[i] = vert;\n" + " localCenter += vert;\n" + " \n" + " triAabb.m_min = min(triAabb.m_min,vert);\n" + " triAabb.m_max = max(triAabb.m_max,vert);\n" + " \n" + " }\n" + " \n" + " overlap = true;\n" + " overlap = (triAabb.m_min.x > aabbs[bodyIndexB].m_max.x || triAabb.m_max.x < aabbs[bodyIndexB].m_min.x) ? false : overlap;\n" + " overlap = (triAabb.m_min.z > aabbs[bodyIndexB].m_max.z || triAabb.m_max.z < aabbs[bodyIndexB].m_min.z) ? false : overlap;\n" + " overlap = (triAabb.m_min.y > aabbs[bodyIndexB].m_max.y || triAabb.m_max.y < aabbs[bodyIndexB].m_min.y) ? false : overlap;\n" + " \n" + " if (overlap)\n" + " {\n" + " float dmin = dmins[i];\n" + " int hasSeparatingAxis=5;\n" + " float4 sepAxis=make_float4(1,2,3,4);\n" + " sepAxis = concaveSeparatingNormalsOut[pairIdx];\n" + " \n" + " int localCC=0;\n" + " numActualConcaveConvexTests++;\n" + " \n" + " //a triangle has 3 unique edges\n" + " convexPolyhedronA.m_numUniqueEdges = 3;\n" + " convexPolyhedronA.m_uniqueEdgesOffset = 0;\n" + " float4 uniqueEdgesA[3];\n" + " \n" + " uniqueEdgesA[0] = (verticesA[1]-verticesA[0]);\n" + " uniqueEdgesA[1] = (verticesA[2]-verticesA[1]);\n" + " uniqueEdgesA[2] = (verticesA[0]-verticesA[2]);\n" + " \n" + " \n" + " convexPolyhedronA.m_faceOffset = 0;\n" + " \n" + " float4 normal = make_float4(face.m_plane.x,face.m_plane.y,face.m_plane.z,0.f);\n" + " \n" + " btGpuFace facesA[TRIANGLE_NUM_CONVEX_FACES];\n" + " int indicesA[3+3+2+2+2];\n" + " int curUsedIndices=0;\n" + " int fidx=0;\n" + " \n" + " //front size of triangle\n" + " {\n" + " facesA[fidx].m_indexOffset=curUsedIndices;\n" + " indicesA[0] = 0;\n" + " indicesA[1] = 1;\n" + " indicesA[2] = 2;\n" + " curUsedIndices+=3;\n" + " float c = face.m_plane.w;\n" + " facesA[fidx].m_plane.x = normal.x;\n" + " facesA[fidx].m_plane.y = normal.y;\n" + " facesA[fidx].m_plane.z = normal.z;\n" + " facesA[fidx].m_plane.w = c;\n" + " facesA[fidx].m_numIndices=3;\n" + " }\n" + " fidx++;\n" + " //back size of triangle\n" + " {\n" + " facesA[fidx].m_indexOffset=curUsedIndices;\n" + " indicesA[3]=2;\n" + " indicesA[4]=1;\n" + " indicesA[5]=0;\n" + " curUsedIndices+=3;\n" + " float c = dot(normal,verticesA[0]);\n" + " float c1 = -face.m_plane.w;\n" + " facesA[fidx].m_plane.x = -normal.x;\n" + " facesA[fidx].m_plane.y = -normal.y;\n" + " facesA[fidx].m_plane.z = -normal.z;\n" + " facesA[fidx].m_plane.w = c;\n" + " facesA[fidx].m_numIndices=3;\n" + " }\n" + " fidx++;\n" + " \n" + " bool addEdgePlanes = true;\n" + " if (addEdgePlanes)\n" + " {\n" + " int numVertices=3;\n" + " int prevVertex = numVertices-1;\n" + " for (int i=0;i<numVertices;i++)\n" + " {\n" + " float4 v0 = verticesA[i];\n" + " float4 v1 = verticesA[prevVertex];\n" + " \n" + " float4 edgeNormal = normalize(cross(normal,v1-v0));\n" + " float c = -dot(edgeNormal,v0);\n" + " \n" + " facesA[fidx].m_numIndices = 2;\n" + " facesA[fidx].m_indexOffset=curUsedIndices;\n" + " indicesA[curUsedIndices++]=i;\n" + " indicesA[curUsedIndices++]=prevVertex;\n" + " \n" + " facesA[fidx].m_plane.x = edgeNormal.x;\n" + " facesA[fidx].m_plane.y = edgeNormal.y;\n" + " facesA[fidx].m_plane.z = edgeNormal.z;\n" + " facesA[fidx].m_plane.w = c;\n" + " fidx++;\n" + " prevVertex = i;\n" + " }\n" + " }\n" + " convexPolyhedronA.m_numFaces = TRIANGLE_NUM_CONVEX_FACES;\n" + " convexPolyhedronA.m_localCenter = localCenter*(1.f/3.f);\n" + " \n" + " \n" + " float4 posA = rigidBodies[bodyIndexA].m_pos;\n" + " posA.w = 0.f;\n" + " float4 posB = rigidBodies[bodyIndexB].m_pos;\n" + " posB.w = 0.f;\n" + " \n" + " float4 ornA = rigidBodies[bodyIndexA].m_quat;\n" + " float4 ornB =rigidBodies[bodyIndexB].m_quat;\n" + " \n" + " \n" + " \n" + " \n" + " ///////////////////\n" + " ///compound shape support\n" + " \n" + " if (collidables[collidableIndexB].m_shapeType==SHAPE_COMPOUND_OF_CONVEX_HULLS)\n" + " {\n" + " int compoundChild = concavePairs[pairIdx].w;\n" + " int childShapeIndexB = compoundChild;//collidables[collidableIndexB].m_shapeIndex+compoundChild;\n" + " int childColIndexB = gpuChildShapes[childShapeIndexB].m_shapeIndex;\n" + " float4 childPosB = gpuChildShapes[childShapeIndexB].m_childPosition;\n" + " float4 childOrnB = gpuChildShapes[childShapeIndexB].m_childOrientation;\n" + " float4 newPosB = transform(&childPosB,&posB,&ornB);\n" + " float4 newOrnB = qtMul(ornB,childOrnB);\n" + " posB = newPosB;\n" + " ornB = newOrnB;\n" + " shapeIndexB = collidables[childColIndexB].m_shapeIndex;\n" + " }\n" + " //////////////////\n" + " \n" + " float4 c0local = convexPolyhedronA.m_localCenter;\n" + " float4 c0 = transform(&c0local, &posA, &ornA);\n" + " float4 c1local = convexShapes[shapeIndexB].m_localCenter;\n" + " float4 c1 = transform(&c1local,&posB,&ornB);\n" + " const float4 DeltaC2 = c0 - c1;\n" + " \n" + " \n" + " {\n" + " bool sepEE = findSeparatingAxisEdgeEdgeLocalA( &convexPolyhedronA, &convexShapes[shapeIndexB],\n" + " posA,ornA,\n" + " posB,ornB,\n" + " DeltaC2,\n" + " verticesA,uniqueEdgesA,facesA,indicesA,\n" + " vertices,uniqueEdges,faces,indices,\n" + " &sepAxis,&dmin);\n" + " \n" + " if (!sepEE)\n" + " {\n" + " hasSeparatingAxis = 0;\n" + " } else\n" + " {\n" + " hasSeparatingAxis = 1;\n" + " }\n" + " }\n" + " \n" + " \n" + " if (hasSeparatingAxis)\n" + " {\n" + " sepAxis.w = dmin;\n" + " dmins[i] = dmin;\n" + " concaveSeparatingNormalsOut[pairIdx]=sepAxis;\n" + " concaveHasSeparatingNormals[i]=1;\n" + " \n" + " float minDist = -1e30f;\n" + " float maxDist = 0.02f;\n" + " \n" + " findClippingFaces(sepAxis,\n" + " &convexPolyhedronA,\n" + " &convexShapes[shapeIndexB],\n" + " posA,ornA,\n" + " posB,ornB,\n" + " worldVertsA1GPU,\n" + " worldNormalsAGPU,\n" + " worldVertsB1GPU,\n" + " vertexFaceCapacity,\n" + " minDist, maxDist,\n" + " verticesA,\n" + " facesA,\n" + " indicesA,\n" + " vertices,\n" + " faces,\n" + " indices,\n" + " clippingFacesOut, pairIdx);\n" + " \n" + " \n" + " } else\n" + " { \n" + " //mark this pair as in-active\n" + " concavePairs[pairIdx].w = -1;\n" + " }\n" + " }\n" + " else\n" + " { \n" + " //mark this pair as in-active\n" + " concavePairs[pairIdx].w = -1;\n" + " }\n" + " \n" + " concavePairs[i].z = -1;//for the next stage, z is used to determine existing contact points\n" + "}\n"; diff --git a/thirdparty/bullet/Bullet3OpenCL/NarrowphaseCollision/kernels/satKernels.h b/thirdparty/bullet/Bullet3OpenCL/NarrowphaseCollision/kernels/satKernels.h index 6f8b0a90db..e627af2799 100644 --- a/thirdparty/bullet/Bullet3OpenCL/NarrowphaseCollision/kernels/satKernels.h +++ b/thirdparty/bullet/Bullet3OpenCL/NarrowphaseCollision/kernels/satKernels.h @@ -1,2104 +1,2103 @@ //this file is autogenerated using stringify.bat (premake --stringify) in the build folder of this project -static const char* satKernelsCL= \ -"//keep this enum in sync with the CPU version (in btCollidable.h)\n" -"//written by Erwin Coumans\n" -"#define SHAPE_CONVEX_HULL 3\n" -"#define SHAPE_CONCAVE_TRIMESH 5\n" -"#define TRIANGLE_NUM_CONVEX_FACES 5\n" -"#define SHAPE_COMPOUND_OF_CONVEX_HULLS 6\n" -"#define B3_MAX_STACK_DEPTH 256\n" -"typedef unsigned int u32;\n" -"///keep this in sync with btCollidable.h\n" -"typedef struct\n" -"{\n" -" union {\n" -" int m_numChildShapes;\n" -" int m_bvhIndex;\n" -" };\n" -" union\n" -" {\n" -" float m_radius;\n" -" int m_compoundBvhIndex;\n" -" };\n" -" \n" -" int m_shapeType;\n" -" int m_shapeIndex;\n" -" \n" -"} btCollidableGpu;\n" -"#define MAX_NUM_PARTS_IN_BITS 10\n" -"///b3QuantizedBvhNode is a compressed aabb node, 16 bytes.\n" -"///Node can be used for leafnode or internal node. Leafnodes can point to 32-bit triangle index (non-negative range).\n" -"typedef struct\n" -"{\n" -" //12 bytes\n" -" unsigned short int m_quantizedAabbMin[3];\n" -" unsigned short int m_quantizedAabbMax[3];\n" -" //4 bytes\n" -" int m_escapeIndexOrTriangleIndex;\n" -"} b3QuantizedBvhNode;\n" -"typedef struct\n" -"{\n" -" float4 m_aabbMin;\n" -" float4 m_aabbMax;\n" -" float4 m_quantization;\n" -" int m_numNodes;\n" -" int m_numSubTrees;\n" -" int m_nodeOffset;\n" -" int m_subTreeOffset;\n" -"} b3BvhInfo;\n" -"int getTriangleIndex(const b3QuantizedBvhNode* rootNode)\n" -"{\n" -" unsigned int x=0;\n" -" unsigned int y = (~(x&0))<<(31-MAX_NUM_PARTS_IN_BITS);\n" -" // Get only the lower bits where the triangle index is stored\n" -" return (rootNode->m_escapeIndexOrTriangleIndex&~(y));\n" -"}\n" -"int getTriangleIndexGlobal(__global const b3QuantizedBvhNode* rootNode)\n" -"{\n" -" unsigned int x=0;\n" -" unsigned int y = (~(x&0))<<(31-MAX_NUM_PARTS_IN_BITS);\n" -" // Get only the lower bits where the triangle index is stored\n" -" return (rootNode->m_escapeIndexOrTriangleIndex&~(y));\n" -"}\n" -"int isLeafNode(const b3QuantizedBvhNode* rootNode)\n" -"{\n" -" //skipindex is negative (internal node), triangleindex >=0 (leafnode)\n" -" return (rootNode->m_escapeIndexOrTriangleIndex >= 0)? 1 : 0;\n" -"}\n" -"int isLeafNodeGlobal(__global const b3QuantizedBvhNode* rootNode)\n" -"{\n" -" //skipindex is negative (internal node), triangleindex >=0 (leafnode)\n" -" return (rootNode->m_escapeIndexOrTriangleIndex >= 0)? 1 : 0;\n" -"}\n" -" \n" -"int getEscapeIndex(const b3QuantizedBvhNode* rootNode)\n" -"{\n" -" return -rootNode->m_escapeIndexOrTriangleIndex;\n" -"}\n" -"int getEscapeIndexGlobal(__global const b3QuantizedBvhNode* rootNode)\n" -"{\n" -" return -rootNode->m_escapeIndexOrTriangleIndex;\n" -"}\n" -"typedef struct\n" -"{\n" -" //12 bytes\n" -" unsigned short int m_quantizedAabbMin[3];\n" -" unsigned short int m_quantizedAabbMax[3];\n" -" //4 bytes, points to the root of the subtree\n" -" int m_rootNodeIndex;\n" -" //4 bytes\n" -" int m_subtreeSize;\n" -" int m_padding[3];\n" -"} b3BvhSubtreeInfo;\n" -"typedef struct\n" -"{\n" -" float4 m_childPosition;\n" -" float4 m_childOrientation;\n" -" int m_shapeIndex;\n" -" int m_unused0;\n" -" int m_unused1;\n" -" int m_unused2;\n" -"} btGpuChildShape;\n" -"typedef struct\n" -"{\n" -" float4 m_pos;\n" -" float4 m_quat;\n" -" float4 m_linVel;\n" -" float4 m_angVel;\n" -" u32 m_collidableIdx;\n" -" float m_invMass;\n" -" float m_restituitionCoeff;\n" -" float m_frictionCoeff;\n" -"} BodyData;\n" -"typedef struct \n" -"{\n" -" float4 m_localCenter;\n" -" float4 m_extents;\n" -" float4 mC;\n" -" float4 mE;\n" -" \n" -" float m_radius;\n" -" int m_faceOffset;\n" -" int m_numFaces;\n" -" int m_numVertices;\n" -" int m_vertexOffset;\n" -" int m_uniqueEdgesOffset;\n" -" int m_numUniqueEdges;\n" -" int m_unused;\n" -"} ConvexPolyhedronCL;\n" -"typedef struct \n" -"{\n" -" union\n" -" {\n" -" float4 m_min;\n" -" float m_minElems[4];\n" -" int m_minIndices[4];\n" -" };\n" -" union\n" -" {\n" -" float4 m_max;\n" -" float m_maxElems[4];\n" -" int m_maxIndices[4];\n" -" };\n" -"} btAabbCL;\n" -"#ifndef B3_AABB_H\n" -"#define B3_AABB_H\n" -"#ifndef B3_FLOAT4_H\n" -"#define B3_FLOAT4_H\n" -"#ifndef B3_PLATFORM_DEFINITIONS_H\n" -"#define B3_PLATFORM_DEFINITIONS_H\n" -"struct MyTest\n" -"{\n" -" int bla;\n" -"};\n" -"#ifdef __cplusplus\n" -"#else\n" -"//keep B3_LARGE_FLOAT*B3_LARGE_FLOAT < FLT_MAX\n" -"#define B3_LARGE_FLOAT 1e18f\n" -"#define B3_INFINITY 1e18f\n" -"#define b3Assert(a)\n" -"#define b3ConstArray(a) __global const a*\n" -"#define b3AtomicInc atomic_inc\n" -"#define b3AtomicAdd atomic_add\n" -"#define b3Fabs fabs\n" -"#define b3Sqrt native_sqrt\n" -"#define b3Sin native_sin\n" -"#define b3Cos native_cos\n" -"#define B3_STATIC\n" -"#endif\n" -"#endif\n" -"#ifdef __cplusplus\n" -"#else\n" -" typedef float4 b3Float4;\n" -" #define b3Float4ConstArg const b3Float4\n" -" #define b3MakeFloat4 (float4)\n" -" float b3Dot3F4(b3Float4ConstArg v0,b3Float4ConstArg v1)\n" -" {\n" -" float4 a1 = b3MakeFloat4(v0.xyz,0.f);\n" -" float4 b1 = b3MakeFloat4(v1.xyz,0.f);\n" -" return dot(a1, b1);\n" -" }\n" -" b3Float4 b3Cross3(b3Float4ConstArg v0,b3Float4ConstArg v1)\n" -" {\n" -" float4 a1 = b3MakeFloat4(v0.xyz,0.f);\n" -" float4 b1 = b3MakeFloat4(v1.xyz,0.f);\n" -" return cross(a1, b1);\n" -" }\n" -" #define b3MinFloat4 min\n" -" #define b3MaxFloat4 max\n" -" #define b3Normalized(a) normalize(a)\n" -"#endif \n" -" \n" -"inline bool b3IsAlmostZero(b3Float4ConstArg v)\n" -"{\n" -" if(b3Fabs(v.x)>1e-6 || b3Fabs(v.y)>1e-6 || b3Fabs(v.z)>1e-6) \n" -" return false;\n" -" return true;\n" -"}\n" -"inline int b3MaxDot( b3Float4ConstArg vec, __global const b3Float4* vecArray, int vecLen, float* dotOut )\n" -"{\n" -" float maxDot = -B3_INFINITY;\n" -" int i = 0;\n" -" int ptIndex = -1;\n" -" for( i = 0; i < vecLen; i++ )\n" -" {\n" -" float dot = b3Dot3F4(vecArray[i],vec);\n" -" \n" -" if( dot > maxDot )\n" -" {\n" -" maxDot = dot;\n" -" ptIndex = i;\n" -" }\n" -" }\n" -" b3Assert(ptIndex>=0);\n" -" if (ptIndex<0)\n" -" {\n" -" ptIndex = 0;\n" -" }\n" -" *dotOut = maxDot;\n" -" return ptIndex;\n" -"}\n" -"#endif //B3_FLOAT4_H\n" -"#ifndef B3_MAT3x3_H\n" -"#define B3_MAT3x3_H\n" -"#ifndef B3_QUAT_H\n" -"#define B3_QUAT_H\n" -"#ifndef B3_PLATFORM_DEFINITIONS_H\n" -"#ifdef __cplusplus\n" -"#else\n" -"#endif\n" -"#endif\n" -"#ifndef B3_FLOAT4_H\n" -"#ifdef __cplusplus\n" -"#else\n" -"#endif \n" -"#endif //B3_FLOAT4_H\n" -"#ifdef __cplusplus\n" -"#else\n" -" typedef float4 b3Quat;\n" -" #define b3QuatConstArg const b3Quat\n" -" \n" -" \n" -"inline float4 b3FastNormalize4(float4 v)\n" -"{\n" -" v = (float4)(v.xyz,0.f);\n" -" return fast_normalize(v);\n" -"}\n" -" \n" -"inline b3Quat b3QuatMul(b3Quat a, b3Quat b);\n" -"inline b3Quat b3QuatNormalized(b3QuatConstArg in);\n" -"inline b3Quat b3QuatRotate(b3QuatConstArg q, b3QuatConstArg vec);\n" -"inline b3Quat b3QuatInvert(b3QuatConstArg q);\n" -"inline b3Quat b3QuatInverse(b3QuatConstArg q);\n" -"inline b3Quat b3QuatMul(b3QuatConstArg a, b3QuatConstArg b)\n" -"{\n" -" b3Quat ans;\n" -" ans = b3Cross3( a, b );\n" -" ans += a.w*b+b.w*a;\n" -"// ans.w = a.w*b.w - (a.x*b.x+a.y*b.y+a.z*b.z);\n" -" ans.w = a.w*b.w - b3Dot3F4(a, b);\n" -" return ans;\n" -"}\n" -"inline b3Quat b3QuatNormalized(b3QuatConstArg in)\n" -"{\n" -" b3Quat q;\n" -" q=in;\n" -" //return b3FastNormalize4(in);\n" -" float len = native_sqrt(dot(q, q));\n" -" if(len > 0.f)\n" -" {\n" -" q *= 1.f / len;\n" -" }\n" -" else\n" -" {\n" -" q.x = q.y = q.z = 0.f;\n" -" q.w = 1.f;\n" -" }\n" -" return q;\n" -"}\n" -"inline float4 b3QuatRotate(b3QuatConstArg q, b3QuatConstArg vec)\n" -"{\n" -" b3Quat qInv = b3QuatInvert( q );\n" -" float4 vcpy = vec;\n" -" vcpy.w = 0.f;\n" -" float4 out = b3QuatMul(b3QuatMul(q,vcpy),qInv);\n" -" return out;\n" -"}\n" -"inline b3Quat b3QuatInverse(b3QuatConstArg q)\n" -"{\n" -" return (b3Quat)(-q.xyz, q.w);\n" -"}\n" -"inline b3Quat b3QuatInvert(b3QuatConstArg q)\n" -"{\n" -" return (b3Quat)(-q.xyz, q.w);\n" -"}\n" -"inline float4 b3QuatInvRotate(b3QuatConstArg q, b3QuatConstArg vec)\n" -"{\n" -" return b3QuatRotate( b3QuatInvert( q ), vec );\n" -"}\n" -"inline b3Float4 b3TransformPoint(b3Float4ConstArg point, b3Float4ConstArg translation, b3QuatConstArg orientation)\n" -"{\n" -" return b3QuatRotate( orientation, point ) + (translation);\n" -"}\n" -" \n" -"#endif \n" -"#endif //B3_QUAT_H\n" -"#ifdef __cplusplus\n" -"#else\n" -"typedef struct\n" -"{\n" -" b3Float4 m_row[3];\n" -"}b3Mat3x3;\n" -"#define b3Mat3x3ConstArg const b3Mat3x3\n" -"#define b3GetRow(m,row) (m.m_row[row])\n" -"inline b3Mat3x3 b3QuatGetRotationMatrix(b3Quat quat)\n" -"{\n" -" b3Float4 quat2 = (b3Float4)(quat.x*quat.x, quat.y*quat.y, quat.z*quat.z, 0.f);\n" -" b3Mat3x3 out;\n" -" out.m_row[0].x=1-2*quat2.y-2*quat2.z;\n" -" out.m_row[0].y=2*quat.x*quat.y-2*quat.w*quat.z;\n" -" out.m_row[0].z=2*quat.x*quat.z+2*quat.w*quat.y;\n" -" out.m_row[0].w = 0.f;\n" -" out.m_row[1].x=2*quat.x*quat.y+2*quat.w*quat.z;\n" -" out.m_row[1].y=1-2*quat2.x-2*quat2.z;\n" -" out.m_row[1].z=2*quat.y*quat.z-2*quat.w*quat.x;\n" -" out.m_row[1].w = 0.f;\n" -" out.m_row[2].x=2*quat.x*quat.z-2*quat.w*quat.y;\n" -" out.m_row[2].y=2*quat.y*quat.z+2*quat.w*quat.x;\n" -" out.m_row[2].z=1-2*quat2.x-2*quat2.y;\n" -" out.m_row[2].w = 0.f;\n" -" return out;\n" -"}\n" -"inline b3Mat3x3 b3AbsoluteMat3x3(b3Mat3x3ConstArg matIn)\n" -"{\n" -" b3Mat3x3 out;\n" -" out.m_row[0] = fabs(matIn.m_row[0]);\n" -" out.m_row[1] = fabs(matIn.m_row[1]);\n" -" out.m_row[2] = fabs(matIn.m_row[2]);\n" -" return out;\n" -"}\n" -"__inline\n" -"b3Mat3x3 mtZero();\n" -"__inline\n" -"b3Mat3x3 mtIdentity();\n" -"__inline\n" -"b3Mat3x3 mtTranspose(b3Mat3x3 m);\n" -"__inline\n" -"b3Mat3x3 mtMul(b3Mat3x3 a, b3Mat3x3 b);\n" -"__inline\n" -"b3Float4 mtMul1(b3Mat3x3 a, b3Float4 b);\n" -"__inline\n" -"b3Float4 mtMul3(b3Float4 a, b3Mat3x3 b);\n" -"__inline\n" -"b3Mat3x3 mtZero()\n" -"{\n" -" b3Mat3x3 m;\n" -" m.m_row[0] = (b3Float4)(0.f);\n" -" m.m_row[1] = (b3Float4)(0.f);\n" -" m.m_row[2] = (b3Float4)(0.f);\n" -" return m;\n" -"}\n" -"__inline\n" -"b3Mat3x3 mtIdentity()\n" -"{\n" -" b3Mat3x3 m;\n" -" m.m_row[0] = (b3Float4)(1,0,0,0);\n" -" m.m_row[1] = (b3Float4)(0,1,0,0);\n" -" m.m_row[2] = (b3Float4)(0,0,1,0);\n" -" return m;\n" -"}\n" -"__inline\n" -"b3Mat3x3 mtTranspose(b3Mat3x3 m)\n" -"{\n" -" b3Mat3x3 out;\n" -" out.m_row[0] = (b3Float4)(m.m_row[0].x, m.m_row[1].x, m.m_row[2].x, 0.f);\n" -" out.m_row[1] = (b3Float4)(m.m_row[0].y, m.m_row[1].y, m.m_row[2].y, 0.f);\n" -" out.m_row[2] = (b3Float4)(m.m_row[0].z, m.m_row[1].z, m.m_row[2].z, 0.f);\n" -" return out;\n" -"}\n" -"__inline\n" -"b3Mat3x3 mtMul(b3Mat3x3 a, b3Mat3x3 b)\n" -"{\n" -" b3Mat3x3 transB;\n" -" transB = mtTranspose( b );\n" -" b3Mat3x3 ans;\n" -" // why this doesn't run when 0ing in the for{}\n" -" a.m_row[0].w = 0.f;\n" -" a.m_row[1].w = 0.f;\n" -" a.m_row[2].w = 0.f;\n" -" for(int i=0; i<3; i++)\n" -" {\n" -"// a.m_row[i].w = 0.f;\n" -" ans.m_row[i].x = b3Dot3F4(a.m_row[i],transB.m_row[0]);\n" -" ans.m_row[i].y = b3Dot3F4(a.m_row[i],transB.m_row[1]);\n" -" ans.m_row[i].z = b3Dot3F4(a.m_row[i],transB.m_row[2]);\n" -" ans.m_row[i].w = 0.f;\n" -" }\n" -" return ans;\n" -"}\n" -"__inline\n" -"b3Float4 mtMul1(b3Mat3x3 a, b3Float4 b)\n" -"{\n" -" b3Float4 ans;\n" -" ans.x = b3Dot3F4( a.m_row[0], b );\n" -" ans.y = b3Dot3F4( a.m_row[1], b );\n" -" ans.z = b3Dot3F4( a.m_row[2], b );\n" -" ans.w = 0.f;\n" -" return ans;\n" -"}\n" -"__inline\n" -"b3Float4 mtMul3(b3Float4 a, b3Mat3x3 b)\n" -"{\n" -" b3Float4 colx = b3MakeFloat4(b.m_row[0].x, b.m_row[1].x, b.m_row[2].x, 0);\n" -" b3Float4 coly = b3MakeFloat4(b.m_row[0].y, b.m_row[1].y, b.m_row[2].y, 0);\n" -" b3Float4 colz = b3MakeFloat4(b.m_row[0].z, b.m_row[1].z, b.m_row[2].z, 0);\n" -" b3Float4 ans;\n" -" ans.x = b3Dot3F4( a, colx );\n" -" ans.y = b3Dot3F4( a, coly );\n" -" ans.z = b3Dot3F4( a, colz );\n" -" return ans;\n" -"}\n" -"#endif\n" -"#endif //B3_MAT3x3_H\n" -"typedef struct b3Aabb b3Aabb_t;\n" -"struct b3Aabb\n" -"{\n" -" union\n" -" {\n" -" float m_min[4];\n" -" b3Float4 m_minVec;\n" -" int m_minIndices[4];\n" -" };\n" -" union\n" -" {\n" -" float m_max[4];\n" -" b3Float4 m_maxVec;\n" -" int m_signedMaxIndices[4];\n" -" };\n" -"};\n" -"inline void b3TransformAabb2(b3Float4ConstArg localAabbMin,b3Float4ConstArg localAabbMax, float margin,\n" -" b3Float4ConstArg pos,\n" -" b3QuatConstArg orn,\n" -" b3Float4* aabbMinOut,b3Float4* aabbMaxOut)\n" -"{\n" -" b3Float4 localHalfExtents = 0.5f*(localAabbMax-localAabbMin);\n" -" localHalfExtents+=b3MakeFloat4(margin,margin,margin,0.f);\n" -" b3Float4 localCenter = 0.5f*(localAabbMax+localAabbMin);\n" -" b3Mat3x3 m;\n" -" m = b3QuatGetRotationMatrix(orn);\n" -" b3Mat3x3 abs_b = b3AbsoluteMat3x3(m);\n" -" b3Float4 center = b3TransformPoint(localCenter,pos,orn);\n" -" \n" -" b3Float4 extent = b3MakeFloat4(b3Dot3F4(localHalfExtents,b3GetRow(abs_b,0)),\n" -" b3Dot3F4(localHalfExtents,b3GetRow(abs_b,1)),\n" -" b3Dot3F4(localHalfExtents,b3GetRow(abs_b,2)),\n" -" 0.f);\n" -" *aabbMinOut = center-extent;\n" -" *aabbMaxOut = center+extent;\n" -"}\n" -"/// conservative test for overlap between two aabbs\n" -"inline bool b3TestAabbAgainstAabb(b3Float4ConstArg aabbMin1,b3Float4ConstArg aabbMax1,\n" -" b3Float4ConstArg aabbMin2, b3Float4ConstArg aabbMax2)\n" -"{\n" -" bool overlap = true;\n" -" overlap = (aabbMin1.x > aabbMax2.x || aabbMax1.x < aabbMin2.x) ? false : overlap;\n" -" overlap = (aabbMin1.z > aabbMax2.z || aabbMax1.z < aabbMin2.z) ? false : overlap;\n" -" overlap = (aabbMin1.y > aabbMax2.y || aabbMax1.y < aabbMin2.y) ? false : overlap;\n" -" return overlap;\n" -"}\n" -"#endif //B3_AABB_H\n" -"/*\n" -"Bullet Continuous Collision Detection and Physics Library\n" -"Copyright (c) 2003-2013 Erwin Coumans http://bulletphysics.org\n" -"This software is provided 'as-is', without any express or implied warranty.\n" -"In no event will the authors be held liable for any damages arising from the use of this software.\n" -"Permission is granted to anyone to use this software for any purpose,\n" -"including commercial applications, and to alter it and redistribute it freely,\n" -"subject to the following restrictions:\n" -"1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required.\n" -"2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.\n" -"3. This notice may not be removed or altered from any source distribution.\n" -"*/\n" -"#ifndef B3_INT2_H\n" -"#define B3_INT2_H\n" -"#ifdef __cplusplus\n" -"#else\n" -"#define b3UnsignedInt2 uint2\n" -"#define b3Int2 int2\n" -"#define b3MakeInt2 (int2)\n" -"#endif //__cplusplus\n" -"#endif\n" -"typedef struct\n" -"{\n" -" float4 m_plane;\n" -" int m_indexOffset;\n" -" int m_numIndices;\n" -"} btGpuFace;\n" -"#define make_float4 (float4)\n" -"__inline\n" -"float4 cross3(float4 a, float4 b)\n" -"{\n" -" return cross(a,b);\n" -" \n" -"// float4 a1 = make_float4(a.xyz,0.f);\n" -"// float4 b1 = make_float4(b.xyz,0.f);\n" -"// return cross(a1,b1);\n" -"//float4 c = make_float4(a.y*b.z - a.z*b.y,a.z*b.x - a.x*b.z,a.x*b.y - a.y*b.x,0.f);\n" -" \n" -" // float4 c = make_float4(a.y*b.z - a.z*b.y,1.f,a.x*b.y - a.y*b.x,0.f);\n" -" \n" -" //return c;\n" -"}\n" -"__inline\n" -"float dot3F4(float4 a, float4 b)\n" -"{\n" -" float4 a1 = make_float4(a.xyz,0.f);\n" -" float4 b1 = make_float4(b.xyz,0.f);\n" -" return dot(a1, b1);\n" -"}\n" -"__inline\n" -"float4 fastNormalize4(float4 v)\n" -"{\n" -" v = make_float4(v.xyz,0.f);\n" -" return fast_normalize(v);\n" -"}\n" -"///////////////////////////////////////\n" -"// Quaternion\n" -"///////////////////////////////////////\n" -"typedef float4 Quaternion;\n" -"__inline\n" -"Quaternion qtMul(Quaternion a, Quaternion b);\n" -"__inline\n" -"Quaternion qtNormalize(Quaternion in);\n" -"__inline\n" -"float4 qtRotate(Quaternion q, float4 vec);\n" -"__inline\n" -"Quaternion qtInvert(Quaternion q);\n" -"__inline\n" -"Quaternion qtMul(Quaternion a, Quaternion b)\n" -"{\n" -" Quaternion ans;\n" -" ans = cross3( a, b );\n" -" ans += a.w*b+b.w*a;\n" -"// ans.w = a.w*b.w - (a.x*b.x+a.y*b.y+a.z*b.z);\n" -" ans.w = a.w*b.w - dot3F4(a, b);\n" -" return ans;\n" -"}\n" -"__inline\n" -"Quaternion qtNormalize(Quaternion in)\n" -"{\n" -" return fastNormalize4(in);\n" -"// in /= length( in );\n" -"// return in;\n" -"}\n" -"__inline\n" -"float4 qtRotate(Quaternion q, float4 vec)\n" -"{\n" -" Quaternion qInv = qtInvert( q );\n" -" float4 vcpy = vec;\n" -" vcpy.w = 0.f;\n" -" float4 out = qtMul(qtMul(q,vcpy),qInv);\n" -" return out;\n" -"}\n" -"__inline\n" -"Quaternion qtInvert(Quaternion q)\n" -"{\n" -" return (Quaternion)(-q.xyz, q.w);\n" -"}\n" -"__inline\n" -"float4 qtInvRotate(const Quaternion q, float4 vec)\n" -"{\n" -" return qtRotate( qtInvert( q ), vec );\n" -"}\n" -"__inline\n" -"float4 transform(const float4* p, const float4* translation, const Quaternion* orientation)\n" -"{\n" -" return qtRotate( *orientation, *p ) + (*translation);\n" -"}\n" -"__inline\n" -"float4 normalize3(const float4 a)\n" -"{\n" -" float4 n = make_float4(a.x, a.y, a.z, 0.f);\n" -" return fastNormalize4( n );\n" -"}\n" -"inline void projectLocal(const ConvexPolyhedronCL* hull, const float4 pos, const float4 orn, \n" -"const float4* dir, const float4* vertices, float* min, float* max)\n" -"{\n" -" min[0] = FLT_MAX;\n" -" max[0] = -FLT_MAX;\n" -" int numVerts = hull->m_numVertices;\n" -" const float4 localDir = qtInvRotate(orn,*dir);\n" -" float offset = dot(pos,*dir);\n" -" for(int i=0;i<numVerts;i++)\n" -" {\n" -" float dp = dot(vertices[hull->m_vertexOffset+i],localDir);\n" -" if(dp < min[0]) \n" -" min[0] = dp;\n" -" if(dp > max[0]) \n" -" max[0] = dp;\n" -" }\n" -" if(min[0]>max[0])\n" -" {\n" -" float tmp = min[0];\n" -" min[0] = max[0];\n" -" max[0] = tmp;\n" -" }\n" -" min[0] += offset;\n" -" max[0] += offset;\n" -"}\n" -"inline void project(__global const ConvexPolyhedronCL* hull, const float4 pos, const float4 orn, \n" -"const float4* dir, __global const float4* vertices, float* min, float* max)\n" -"{\n" -" min[0] = FLT_MAX;\n" -" max[0] = -FLT_MAX;\n" -" int numVerts = hull->m_numVertices;\n" -" const float4 localDir = qtInvRotate(orn,*dir);\n" -" float offset = dot(pos,*dir);\n" -" for(int i=0;i<numVerts;i++)\n" -" {\n" -" float dp = dot(vertices[hull->m_vertexOffset+i],localDir);\n" -" if(dp < min[0]) \n" -" min[0] = dp;\n" -" if(dp > max[0]) \n" -" max[0] = dp;\n" -" }\n" -" if(min[0]>max[0])\n" -" {\n" -" float tmp = min[0];\n" -" min[0] = max[0];\n" -" max[0] = tmp;\n" -" }\n" -" min[0] += offset;\n" -" max[0] += offset;\n" -"}\n" -"inline bool TestSepAxisLocalA(const ConvexPolyhedronCL* hullA, __global const ConvexPolyhedronCL* hullB, \n" -" const float4 posA,const float4 ornA,\n" -" const float4 posB,const float4 ornB,\n" -" float4* sep_axis, const float4* verticesA, __global const float4* verticesB,float* depth)\n" -"{\n" -" float Min0,Max0;\n" -" float Min1,Max1;\n" -" projectLocal(hullA,posA,ornA,sep_axis,verticesA, &Min0, &Max0);\n" -" project(hullB,posB,ornB, sep_axis,verticesB, &Min1, &Max1);\n" -" if(Max0<Min1 || Max1<Min0)\n" -" return false;\n" -" float d0 = Max0 - Min1;\n" -" float d1 = Max1 - Min0;\n" -" *depth = d0<d1 ? d0:d1;\n" -" return true;\n" -"}\n" -"inline bool IsAlmostZero(const float4 v)\n" -"{\n" -" if(fabs(v.x)>1e-6f || fabs(v.y)>1e-6f || fabs(v.z)>1e-6f)\n" -" return false;\n" -" return true;\n" -"}\n" -"bool findSeparatingAxisLocalA( const ConvexPolyhedronCL* hullA, __global const ConvexPolyhedronCL* hullB, \n" -" const float4 posA1,\n" -" const float4 ornA,\n" -" const float4 posB1,\n" -" const float4 ornB,\n" -" const float4 DeltaC2,\n" -" \n" -" const float4* verticesA, \n" -" const float4* uniqueEdgesA, \n" -" const btGpuFace* facesA,\n" -" const int* indicesA,\n" -" __global const float4* verticesB, \n" -" __global const float4* uniqueEdgesB, \n" -" __global const btGpuFace* facesB,\n" -" __global const int* indicesB,\n" -" float4* sep,\n" -" float* dmin)\n" -"{\n" -" \n" -" float4 posA = posA1;\n" -" posA.w = 0.f;\n" -" float4 posB = posB1;\n" -" posB.w = 0.f;\n" -" int curPlaneTests=0;\n" -" {\n" -" int numFacesA = hullA->m_numFaces;\n" -" // Test normals from hullA\n" -" for(int i=0;i<numFacesA;i++)\n" -" {\n" -" const float4 normal = facesA[hullA->m_faceOffset+i].m_plane;\n" -" float4 faceANormalWS = qtRotate(ornA,normal);\n" -" if (dot3F4(DeltaC2,faceANormalWS)<0)\n" -" faceANormalWS*=-1.f;\n" -" curPlaneTests++;\n" -" float d;\n" -" if(!TestSepAxisLocalA( hullA, hullB, posA,ornA,posB,ornB,&faceANormalWS, verticesA, verticesB,&d))\n" -" return false;\n" -" if(d<*dmin)\n" -" {\n" -" *dmin = d;\n" -" *sep = faceANormalWS;\n" -" }\n" -" }\n" -" }\n" -" if((dot3F4(-DeltaC2,*sep))>0.0f)\n" -" {\n" -" *sep = -(*sep);\n" -" }\n" -" return true;\n" -"}\n" -"bool findSeparatingAxisLocalB( __global const ConvexPolyhedronCL* hullA, const ConvexPolyhedronCL* hullB, \n" -" const float4 posA1,\n" -" const float4 ornA,\n" -" const float4 posB1,\n" -" const float4 ornB,\n" -" const float4 DeltaC2,\n" -" __global const float4* verticesA, \n" -" __global const float4* uniqueEdgesA, \n" -" __global const btGpuFace* facesA,\n" -" __global const int* indicesA,\n" -" const float4* verticesB,\n" -" const float4* uniqueEdgesB, \n" -" const btGpuFace* facesB,\n" -" const int* indicesB,\n" -" float4* sep,\n" -" float* dmin)\n" -"{\n" -" float4 posA = posA1;\n" -" posA.w = 0.f;\n" -" float4 posB = posB1;\n" -" posB.w = 0.f;\n" -" int curPlaneTests=0;\n" -" {\n" -" int numFacesA = hullA->m_numFaces;\n" -" // Test normals from hullA\n" -" for(int i=0;i<numFacesA;i++)\n" -" {\n" -" const float4 normal = facesA[hullA->m_faceOffset+i].m_plane;\n" -" float4 faceANormalWS = qtRotate(ornA,normal);\n" -" if (dot3F4(DeltaC2,faceANormalWS)<0)\n" -" faceANormalWS *= -1.f;\n" -" curPlaneTests++;\n" -" float d;\n" -" if(!TestSepAxisLocalA( hullB, hullA, posB,ornB,posA,ornA, &faceANormalWS, verticesB,verticesA, &d))\n" -" return false;\n" -" if(d<*dmin)\n" -" {\n" -" *dmin = d;\n" -" *sep = faceANormalWS;\n" -" }\n" -" }\n" -" }\n" -" if((dot3F4(-DeltaC2,*sep))>0.0f)\n" -" {\n" -" *sep = -(*sep);\n" -" }\n" -" return true;\n" -"}\n" -"bool findSeparatingAxisEdgeEdgeLocalA( const ConvexPolyhedronCL* hullA, __global const ConvexPolyhedronCL* hullB, \n" -" const float4 posA1,\n" -" const float4 ornA,\n" -" const float4 posB1,\n" -" const float4 ornB,\n" -" const float4 DeltaC2,\n" -" const float4* verticesA, \n" -" const float4* uniqueEdgesA, \n" -" const btGpuFace* facesA,\n" -" const int* indicesA,\n" -" __global const float4* verticesB, \n" -" __global const float4* uniqueEdgesB, \n" -" __global const btGpuFace* facesB,\n" -" __global const int* indicesB,\n" -" float4* sep,\n" -" float* dmin)\n" -"{\n" -" float4 posA = posA1;\n" -" posA.w = 0.f;\n" -" float4 posB = posB1;\n" -" posB.w = 0.f;\n" -" int curPlaneTests=0;\n" -" int curEdgeEdge = 0;\n" -" // Test edges\n" -" for(int e0=0;e0<hullA->m_numUniqueEdges;e0++)\n" -" {\n" -" const float4 edge0 = uniqueEdgesA[hullA->m_uniqueEdgesOffset+e0];\n" -" float4 edge0World = qtRotate(ornA,edge0);\n" -" for(int e1=0;e1<hullB->m_numUniqueEdges;e1++)\n" -" {\n" -" const float4 edge1 = uniqueEdgesB[hullB->m_uniqueEdgesOffset+e1];\n" -" float4 edge1World = qtRotate(ornB,edge1);\n" -" float4 crossje = cross3(edge0World,edge1World);\n" -" curEdgeEdge++;\n" -" if(!IsAlmostZero(crossje))\n" -" {\n" -" crossje = normalize3(crossje);\n" -" if (dot3F4(DeltaC2,crossje)<0)\n" -" crossje *= -1.f;\n" -" float dist;\n" -" bool result = true;\n" -" {\n" -" float Min0,Max0;\n" -" float Min1,Max1;\n" -" projectLocal(hullA,posA,ornA,&crossje,verticesA, &Min0, &Max0);\n" -" project(hullB,posB,ornB,&crossje,verticesB, &Min1, &Max1);\n" -" \n" -" if(Max0<Min1 || Max1<Min0)\n" -" result = false;\n" -" \n" -" float d0 = Max0 - Min1;\n" -" float d1 = Max1 - Min0;\n" -" dist = d0<d1 ? d0:d1;\n" -" result = true;\n" -" }\n" -" \n" -" if(dist<*dmin)\n" -" {\n" -" *dmin = dist;\n" -" *sep = crossje;\n" -" }\n" -" }\n" -" }\n" -" }\n" -" \n" -" if((dot3F4(-DeltaC2,*sep))>0.0f)\n" -" {\n" -" *sep = -(*sep);\n" -" }\n" -" return true;\n" -"}\n" -"inline bool TestSepAxis(__global const ConvexPolyhedronCL* hullA, __global const ConvexPolyhedronCL* hullB, \n" -" const float4 posA,const float4 ornA,\n" -" const float4 posB,const float4 ornB,\n" -" float4* sep_axis, __global const float4* vertices,float* depth)\n" -"{\n" -" float Min0,Max0;\n" -" float Min1,Max1;\n" -" project(hullA,posA,ornA,sep_axis,vertices, &Min0, &Max0);\n" -" project(hullB,posB,ornB, sep_axis,vertices, &Min1, &Max1);\n" -" if(Max0<Min1 || Max1<Min0)\n" -" return false;\n" -" float d0 = Max0 - Min1;\n" -" float d1 = Max1 - Min0;\n" -" *depth = d0<d1 ? d0:d1;\n" -" return true;\n" -"}\n" -"bool findSeparatingAxis( __global const ConvexPolyhedronCL* hullA, __global const ConvexPolyhedronCL* hullB, \n" -" const float4 posA1,\n" -" const float4 ornA,\n" -" const float4 posB1,\n" -" const float4 ornB,\n" -" const float4 DeltaC2,\n" -" __global const float4* vertices, \n" -" __global const float4* uniqueEdges, \n" -" __global const btGpuFace* faces,\n" -" __global const int* indices,\n" -" float4* sep,\n" -" float* dmin)\n" -"{\n" -" \n" -" float4 posA = posA1;\n" -" posA.w = 0.f;\n" -" float4 posB = posB1;\n" -" posB.w = 0.f;\n" -" \n" -" int curPlaneTests=0;\n" -" {\n" -" int numFacesA = hullA->m_numFaces;\n" -" // Test normals from hullA\n" -" for(int i=0;i<numFacesA;i++)\n" -" {\n" -" const float4 normal = faces[hullA->m_faceOffset+i].m_plane;\n" -" float4 faceANormalWS = qtRotate(ornA,normal);\n" -" \n" -" if (dot3F4(DeltaC2,faceANormalWS)<0)\n" -" faceANormalWS*=-1.f;\n" -" \n" -" curPlaneTests++;\n" -" \n" -" float d;\n" -" if(!TestSepAxis( hullA, hullB, posA,ornA,posB,ornB,&faceANormalWS, vertices,&d))\n" -" return false;\n" -" \n" -" if(d<*dmin)\n" -" {\n" -" *dmin = d;\n" -" *sep = faceANormalWS;\n" -" }\n" -" }\n" -" }\n" -" if((dot3F4(-DeltaC2,*sep))>0.0f)\n" -" {\n" -" *sep = -(*sep);\n" -" }\n" -" \n" -" return true;\n" -"}\n" -"bool findSeparatingAxisUnitSphere( __global const ConvexPolyhedronCL* hullA, __global const ConvexPolyhedronCL* hullB, \n" -" const float4 posA1,\n" -" const float4 ornA,\n" -" const float4 posB1,\n" -" const float4 ornB,\n" -" const float4 DeltaC2,\n" -" __global const float4* vertices,\n" -" __global const float4* unitSphereDirections,\n" -" int numUnitSphereDirections,\n" -" float4* sep,\n" -" float* dmin)\n" -"{\n" -" \n" -" float4 posA = posA1;\n" -" posA.w = 0.f;\n" -" float4 posB = posB1;\n" -" posB.w = 0.f;\n" -" int curPlaneTests=0;\n" -" int curEdgeEdge = 0;\n" -" // Test unit sphere directions\n" -" for (int i=0;i<numUnitSphereDirections;i++)\n" -" {\n" -" float4 crossje;\n" -" crossje = unitSphereDirections[i]; \n" -" if (dot3F4(DeltaC2,crossje)>0)\n" -" crossje *= -1.f;\n" -" {\n" -" float dist;\n" -" bool result = true;\n" -" float Min0,Max0;\n" -" float Min1,Max1;\n" -" project(hullA,posA,ornA,&crossje,vertices, &Min0, &Max0);\n" -" project(hullB,posB,ornB,&crossje,vertices, &Min1, &Max1);\n" -" \n" -" if(Max0<Min1 || Max1<Min0)\n" -" return false;\n" -" \n" -" float d0 = Max0 - Min1;\n" -" float d1 = Max1 - Min0;\n" -" dist = d0<d1 ? d0:d1;\n" -" result = true;\n" -" \n" -" if(dist<*dmin)\n" -" {\n" -" *dmin = dist;\n" -" *sep = crossje;\n" -" }\n" -" }\n" -" }\n" -" \n" -" if((dot3F4(-DeltaC2,*sep))>0.0f)\n" -" {\n" -" *sep = -(*sep);\n" -" }\n" -" return true;\n" -"}\n" -"bool findSeparatingAxisEdgeEdge( __global const ConvexPolyhedronCL* hullA, __global const ConvexPolyhedronCL* hullB, \n" -" const float4 posA1,\n" -" const float4 ornA,\n" -" const float4 posB1,\n" -" const float4 ornB,\n" -" const float4 DeltaC2,\n" -" __global const float4* vertices, \n" -" __global const float4* uniqueEdges, \n" -" __global const btGpuFace* faces,\n" -" __global const int* indices,\n" -" float4* sep,\n" -" float* dmin)\n" -"{\n" -" \n" -" float4 posA = posA1;\n" -" posA.w = 0.f;\n" -" float4 posB = posB1;\n" -" posB.w = 0.f;\n" -" int curPlaneTests=0;\n" -" int curEdgeEdge = 0;\n" -" // Test edges\n" -" for(int e0=0;e0<hullA->m_numUniqueEdges;e0++)\n" -" {\n" -" const float4 edge0 = uniqueEdges[hullA->m_uniqueEdgesOffset+e0];\n" -" float4 edge0World = qtRotate(ornA,edge0);\n" -" for(int e1=0;e1<hullB->m_numUniqueEdges;e1++)\n" -" {\n" -" const float4 edge1 = uniqueEdges[hullB->m_uniqueEdgesOffset+e1];\n" -" float4 edge1World = qtRotate(ornB,edge1);\n" -" float4 crossje = cross3(edge0World,edge1World);\n" -" curEdgeEdge++;\n" -" if(!IsAlmostZero(crossje))\n" -" {\n" -" crossje = normalize3(crossje);\n" -" if (dot3F4(DeltaC2,crossje)<0)\n" -" crossje*=-1.f;\n" -" \n" -" float dist;\n" -" bool result = true;\n" -" {\n" -" float Min0,Max0;\n" -" float Min1,Max1;\n" -" project(hullA,posA,ornA,&crossje,vertices, &Min0, &Max0);\n" -" project(hullB,posB,ornB,&crossje,vertices, &Min1, &Max1);\n" -" \n" -" if(Max0<Min1 || Max1<Min0)\n" -" return false;\n" -" \n" -" float d0 = Max0 - Min1;\n" -" float d1 = Max1 - Min0;\n" -" dist = d0<d1 ? d0:d1;\n" -" result = true;\n" -" }\n" -" \n" -" if(dist<*dmin)\n" -" {\n" -" *dmin = dist;\n" -" *sep = crossje;\n" -" }\n" -" }\n" -" }\n" -" }\n" -" \n" -" if((dot3F4(-DeltaC2,*sep))>0.0f)\n" -" {\n" -" *sep = -(*sep);\n" -" }\n" -" return true;\n" -"}\n" -"// work-in-progress\n" -"__kernel void processCompoundPairsKernel( __global const int4* gpuCompoundPairs,\n" -" __global const BodyData* rigidBodies, \n" -" __global const btCollidableGpu* collidables,\n" -" __global const ConvexPolyhedronCL* convexShapes, \n" -" __global const float4* vertices,\n" -" __global const float4* uniqueEdges,\n" -" __global const btGpuFace* faces,\n" -" __global const int* indices,\n" -" __global btAabbCL* aabbs,\n" -" __global const btGpuChildShape* gpuChildShapes,\n" -" __global volatile float4* gpuCompoundSepNormalsOut,\n" -" __global volatile int* gpuHasCompoundSepNormalsOut,\n" -" int numCompoundPairs\n" -" )\n" -"{\n" -" int i = get_global_id(0);\n" -" if (i<numCompoundPairs)\n" -" {\n" -" int bodyIndexA = gpuCompoundPairs[i].x;\n" -" int bodyIndexB = gpuCompoundPairs[i].y;\n" -" int childShapeIndexA = gpuCompoundPairs[i].z;\n" -" int childShapeIndexB = gpuCompoundPairs[i].w;\n" -" \n" -" int collidableIndexA = -1;\n" -" int collidableIndexB = -1;\n" -" \n" -" float4 ornA = rigidBodies[bodyIndexA].m_quat;\n" -" float4 posA = rigidBodies[bodyIndexA].m_pos;\n" -" \n" -" float4 ornB = rigidBodies[bodyIndexB].m_quat;\n" -" float4 posB = rigidBodies[bodyIndexB].m_pos;\n" -" \n" -" if (childShapeIndexA >= 0)\n" -" {\n" -" collidableIndexA = gpuChildShapes[childShapeIndexA].m_shapeIndex;\n" -" float4 childPosA = gpuChildShapes[childShapeIndexA].m_childPosition;\n" -" float4 childOrnA = gpuChildShapes[childShapeIndexA].m_childOrientation;\n" -" float4 newPosA = qtRotate(ornA,childPosA)+posA;\n" -" float4 newOrnA = qtMul(ornA,childOrnA);\n" -" posA = newPosA;\n" -" ornA = newOrnA;\n" -" } else\n" -" {\n" -" collidableIndexA = rigidBodies[bodyIndexA].m_collidableIdx;\n" -" }\n" -" \n" -" if (childShapeIndexB>=0)\n" -" {\n" -" collidableIndexB = gpuChildShapes[childShapeIndexB].m_shapeIndex;\n" -" float4 childPosB = gpuChildShapes[childShapeIndexB].m_childPosition;\n" -" float4 childOrnB = gpuChildShapes[childShapeIndexB].m_childOrientation;\n" -" float4 newPosB = transform(&childPosB,&posB,&ornB);\n" -" float4 newOrnB = qtMul(ornB,childOrnB);\n" -" posB = newPosB;\n" -" ornB = newOrnB;\n" -" } else\n" -" {\n" -" collidableIndexB = rigidBodies[bodyIndexB].m_collidableIdx; \n" -" }\n" -" \n" -" gpuHasCompoundSepNormalsOut[i] = 0;\n" -" \n" -" int shapeIndexA = collidables[collidableIndexA].m_shapeIndex;\n" -" int shapeIndexB = collidables[collidableIndexB].m_shapeIndex;\n" -" \n" -" int shapeTypeA = collidables[collidableIndexA].m_shapeType;\n" -" int shapeTypeB = collidables[collidableIndexB].m_shapeType;\n" -" \n" -" if ((shapeTypeA != SHAPE_CONVEX_HULL) || (shapeTypeB != SHAPE_CONVEX_HULL))\n" -" {\n" -" return;\n" -" }\n" -" int hasSeparatingAxis = 5;\n" -" \n" -" int numFacesA = convexShapes[shapeIndexA].m_numFaces;\n" -" float dmin = FLT_MAX;\n" -" posA.w = 0.f;\n" -" posB.w = 0.f;\n" -" float4 c0local = convexShapes[shapeIndexA].m_localCenter;\n" -" float4 c0 = transform(&c0local, &posA, &ornA);\n" -" float4 c1local = convexShapes[shapeIndexB].m_localCenter;\n" -" float4 c1 = transform(&c1local,&posB,&ornB);\n" -" const float4 DeltaC2 = c0 - c1;\n" -" float4 sepNormal = make_float4(1,0,0,0);\n" -" bool sepA = findSeparatingAxis( &convexShapes[shapeIndexA], &convexShapes[shapeIndexB],posA,ornA,posB,ornB,DeltaC2,vertices,uniqueEdges,faces,indices,&sepNormal,&dmin);\n" -" hasSeparatingAxis = 4;\n" -" if (!sepA)\n" -" {\n" -" hasSeparatingAxis = 0;\n" -" } else\n" -" {\n" -" bool sepB = findSeparatingAxis( &convexShapes[shapeIndexB],&convexShapes[shapeIndexA],posB,ornB,posA,ornA,DeltaC2,vertices,uniqueEdges,faces,indices,&sepNormal,&dmin);\n" -" if (!sepB)\n" -" {\n" -" hasSeparatingAxis = 0;\n" -" } else//(!sepB)\n" -" {\n" -" bool sepEE = findSeparatingAxisEdgeEdge( &convexShapes[shapeIndexA], &convexShapes[shapeIndexB],posA,ornA,posB,ornB,DeltaC2,vertices,uniqueEdges,faces,indices,&sepNormal,&dmin);\n" -" if (sepEE)\n" -" {\n" -" gpuCompoundSepNormalsOut[i] = sepNormal;//fastNormalize4(sepNormal);\n" -" gpuHasCompoundSepNormalsOut[i] = 1;\n" -" }//sepEE\n" -" }//(!sepB)\n" -" }//(!sepA)\n" -" \n" -" \n" -" }\n" -" \n" -"}\n" -"inline b3Float4 MyUnQuantize(const unsigned short* vecIn, b3Float4 quantization, b3Float4 bvhAabbMin)\n" -"{\n" -" b3Float4 vecOut;\n" -" vecOut = b3MakeFloat4(\n" -" (float)(vecIn[0]) / (quantization.x),\n" -" (float)(vecIn[1]) / (quantization.y),\n" -" (float)(vecIn[2]) / (quantization.z),\n" -" 0.f);\n" -" vecOut += bvhAabbMin;\n" -" return vecOut;\n" -"}\n" -"inline b3Float4 MyUnQuantizeGlobal(__global const unsigned short* vecIn, b3Float4 quantization, b3Float4 bvhAabbMin)\n" -"{\n" -" b3Float4 vecOut;\n" -" vecOut = b3MakeFloat4(\n" -" (float)(vecIn[0]) / (quantization.x),\n" -" (float)(vecIn[1]) / (quantization.y),\n" -" (float)(vecIn[2]) / (quantization.z),\n" -" 0.f);\n" -" vecOut += bvhAabbMin;\n" -" return vecOut;\n" -"}\n" -"// work-in-progress\n" -"__kernel void findCompoundPairsKernel( __global const int4* pairs, \n" -" __global const BodyData* rigidBodies, \n" -" __global const btCollidableGpu* collidables,\n" -" __global const ConvexPolyhedronCL* convexShapes, \n" -" __global const float4* vertices,\n" -" __global const float4* uniqueEdges,\n" -" __global const btGpuFace* faces,\n" -" __global const int* indices,\n" -" __global b3Aabb_t* aabbLocalSpace,\n" -" __global const btGpuChildShape* gpuChildShapes,\n" -" __global volatile int4* gpuCompoundPairsOut,\n" -" __global volatile int* numCompoundPairsOut,\n" -" __global const b3BvhSubtreeInfo* subtrees,\n" -" __global const b3QuantizedBvhNode* quantizedNodes,\n" -" __global const b3BvhInfo* bvhInfos,\n" -" int numPairs,\n" -" int maxNumCompoundPairsCapacity\n" -" )\n" -"{\n" -" int i = get_global_id(0);\n" -" if (i<numPairs)\n" -" {\n" -" int bodyIndexA = pairs[i].x;\n" -" int bodyIndexB = pairs[i].y;\n" -" int collidableIndexA = rigidBodies[bodyIndexA].m_collidableIdx;\n" -" int collidableIndexB = rigidBodies[bodyIndexB].m_collidableIdx;\n" -" int shapeIndexA = collidables[collidableIndexA].m_shapeIndex;\n" -" int shapeIndexB = collidables[collidableIndexB].m_shapeIndex;\n" -" //once the broadphase avoids static-static pairs, we can remove this test\n" -" if ((rigidBodies[bodyIndexA].m_invMass==0) &&(rigidBodies[bodyIndexB].m_invMass==0))\n" -" {\n" -" return;\n" -" }\n" -" if ((collidables[collidableIndexA].m_shapeType==SHAPE_COMPOUND_OF_CONVEX_HULLS) &&(collidables[collidableIndexB].m_shapeType==SHAPE_COMPOUND_OF_CONVEX_HULLS))\n" -" {\n" -" int bvhA = collidables[collidableIndexA].m_compoundBvhIndex;\n" -" int bvhB = collidables[collidableIndexB].m_compoundBvhIndex;\n" -" int numSubTreesA = bvhInfos[bvhA].m_numSubTrees;\n" -" int subTreesOffsetA = bvhInfos[bvhA].m_subTreeOffset;\n" -" int subTreesOffsetB = bvhInfos[bvhB].m_subTreeOffset;\n" -" int numSubTreesB = bvhInfos[bvhB].m_numSubTrees;\n" -" \n" -" float4 posA = rigidBodies[bodyIndexA].m_pos;\n" -" b3Quat ornA = rigidBodies[bodyIndexA].m_quat;\n" -" b3Quat ornB = rigidBodies[bodyIndexB].m_quat;\n" -" float4 posB = rigidBodies[bodyIndexB].m_pos;\n" -" \n" -" for (int p=0;p<numSubTreesA;p++)\n" -" {\n" -" b3BvhSubtreeInfo subtreeA = subtrees[subTreesOffsetA+p];\n" -" //bvhInfos[bvhA].m_quantization\n" -" b3Float4 treeAminLocal = MyUnQuantize(subtreeA.m_quantizedAabbMin,bvhInfos[bvhA].m_quantization,bvhInfos[bvhA].m_aabbMin);\n" -" b3Float4 treeAmaxLocal = MyUnQuantize(subtreeA.m_quantizedAabbMax,bvhInfos[bvhA].m_quantization,bvhInfos[bvhA].m_aabbMin);\n" -" b3Float4 aabbAMinOut,aabbAMaxOut;\n" -" float margin=0.f;\n" -" b3TransformAabb2(treeAminLocal,treeAmaxLocal, margin,posA,ornA,&aabbAMinOut,&aabbAMaxOut);\n" -" \n" -" for (int q=0;q<numSubTreesB;q++)\n" -" {\n" -" b3BvhSubtreeInfo subtreeB = subtrees[subTreesOffsetB+q];\n" -" b3Float4 treeBminLocal = MyUnQuantize(subtreeB.m_quantizedAabbMin,bvhInfos[bvhB].m_quantization,bvhInfos[bvhB].m_aabbMin);\n" -" b3Float4 treeBmaxLocal = MyUnQuantize(subtreeB.m_quantizedAabbMax,bvhInfos[bvhB].m_quantization,bvhInfos[bvhB].m_aabbMin);\n" -" b3Float4 aabbBMinOut,aabbBMaxOut;\n" -" float margin=0.f;\n" -" b3TransformAabb2(treeBminLocal,treeBmaxLocal, margin,posB,ornB,&aabbBMinOut,&aabbBMaxOut);\n" -" \n" -" \n" -" bool aabbOverlap = b3TestAabbAgainstAabb(aabbAMinOut,aabbAMaxOut,aabbBMinOut,aabbBMaxOut);\n" -" if (aabbOverlap)\n" -" {\n" -" \n" -" int startNodeIndexA = subtreeA.m_rootNodeIndex+bvhInfos[bvhA].m_nodeOffset;\n" -" int endNodeIndexA = startNodeIndexA+subtreeA.m_subtreeSize;\n" -" int startNodeIndexB = subtreeB.m_rootNodeIndex+bvhInfos[bvhB].m_nodeOffset;\n" -" int endNodeIndexB = startNodeIndexB+subtreeB.m_subtreeSize;\n" -" b3Int2 nodeStack[B3_MAX_STACK_DEPTH];\n" -" b3Int2 node0;\n" -" node0.x = startNodeIndexA;\n" -" node0.y = startNodeIndexB;\n" -" int maxStackDepth = B3_MAX_STACK_DEPTH;\n" -" int depth=0;\n" -" nodeStack[depth++]=node0;\n" -" do\n" -" {\n" -" b3Int2 node = nodeStack[--depth];\n" -" b3Float4 aMinLocal = MyUnQuantizeGlobal(quantizedNodes[node.x].m_quantizedAabbMin,bvhInfos[bvhA].m_quantization,bvhInfos[bvhA].m_aabbMin);\n" -" b3Float4 aMaxLocal = MyUnQuantizeGlobal(quantizedNodes[node.x].m_quantizedAabbMax,bvhInfos[bvhA].m_quantization,bvhInfos[bvhA].m_aabbMin);\n" -" b3Float4 bMinLocal = MyUnQuantizeGlobal(quantizedNodes[node.y].m_quantizedAabbMin,bvhInfos[bvhB].m_quantization,bvhInfos[bvhB].m_aabbMin);\n" -" b3Float4 bMaxLocal = MyUnQuantizeGlobal(quantizedNodes[node.y].m_quantizedAabbMax,bvhInfos[bvhB].m_quantization,bvhInfos[bvhB].m_aabbMin);\n" -" float margin=0.f;\n" -" b3Float4 aabbAMinOut,aabbAMaxOut;\n" -" b3TransformAabb2(aMinLocal,aMaxLocal, margin,posA,ornA,&aabbAMinOut,&aabbAMaxOut);\n" -" b3Float4 aabbBMinOut,aabbBMaxOut;\n" -" b3TransformAabb2(bMinLocal,bMaxLocal, margin,posB,ornB,&aabbBMinOut,&aabbBMaxOut);\n" -" \n" -" bool nodeOverlap = b3TestAabbAgainstAabb(aabbAMinOut,aabbAMaxOut,aabbBMinOut,aabbBMaxOut);\n" -" if (nodeOverlap)\n" -" {\n" -" bool isLeafA = isLeafNodeGlobal(&quantizedNodes[node.x]);\n" -" bool isLeafB = isLeafNodeGlobal(&quantizedNodes[node.y]);\n" -" bool isInternalA = !isLeafA;\n" -" bool isInternalB = !isLeafB;\n" -" //fail, even though it might hit two leaf nodes\n" -" if (depth+4>maxStackDepth && !(isLeafA && isLeafB))\n" -" {\n" -" //printf(\"Error: traversal exceeded maxStackDepth\");\n" -" continue;\n" -" }\n" -" if(isInternalA)\n" -" {\n" -" int nodeAleftChild = node.x+1;\n" -" bool isNodeALeftChildLeaf = isLeafNodeGlobal(&quantizedNodes[node.x+1]);\n" -" int nodeArightChild = isNodeALeftChildLeaf? node.x+2 : node.x+1 + getEscapeIndexGlobal(&quantizedNodes[node.x+1]);\n" -" if(isInternalB)\n" -" { \n" -" int nodeBleftChild = node.y+1;\n" -" bool isNodeBLeftChildLeaf = isLeafNodeGlobal(&quantizedNodes[node.y+1]);\n" -" int nodeBrightChild = isNodeBLeftChildLeaf? node.y+2 : node.y+1 + getEscapeIndexGlobal(&quantizedNodes[node.y+1]);\n" -" nodeStack[depth++] = b3MakeInt2(nodeAleftChild, nodeBleftChild);\n" -" nodeStack[depth++] = b3MakeInt2(nodeArightChild, nodeBleftChild);\n" -" nodeStack[depth++] = b3MakeInt2(nodeAleftChild, nodeBrightChild);\n" -" nodeStack[depth++] = b3MakeInt2(nodeArightChild, nodeBrightChild);\n" -" }\n" -" else\n" -" {\n" -" nodeStack[depth++] = b3MakeInt2(nodeAleftChild,node.y);\n" -" nodeStack[depth++] = b3MakeInt2(nodeArightChild,node.y);\n" -" }\n" -" }\n" -" else\n" -" {\n" -" if(isInternalB)\n" -" {\n" -" int nodeBleftChild = node.y+1;\n" -" bool isNodeBLeftChildLeaf = isLeafNodeGlobal(&quantizedNodes[node.y+1]);\n" -" int nodeBrightChild = isNodeBLeftChildLeaf? node.y+2 : node.y+1 + getEscapeIndexGlobal(&quantizedNodes[node.y+1]);\n" -" nodeStack[depth++] = b3MakeInt2(node.x,nodeBleftChild);\n" -" nodeStack[depth++] = b3MakeInt2(node.x,nodeBrightChild);\n" -" }\n" -" else\n" -" {\n" -" int compoundPairIdx = atomic_inc(numCompoundPairsOut);\n" -" if (compoundPairIdx<maxNumCompoundPairsCapacity)\n" -" {\n" -" int childShapeIndexA = getTriangleIndexGlobal(&quantizedNodes[node.x]);\n" -" int childShapeIndexB = getTriangleIndexGlobal(&quantizedNodes[node.y]);\n" -" gpuCompoundPairsOut[compoundPairIdx] = (int4)(bodyIndexA,bodyIndexB,childShapeIndexA,childShapeIndexB);\n" -" }\n" -" }\n" -" }\n" -" }\n" -" } while (depth);\n" -" }\n" -" }\n" -" }\n" -" \n" -" return;\n" -" }\n" -" if ((collidables[collidableIndexA].m_shapeType==SHAPE_COMPOUND_OF_CONVEX_HULLS) ||(collidables[collidableIndexB].m_shapeType==SHAPE_COMPOUND_OF_CONVEX_HULLS))\n" -" {\n" -" if (collidables[collidableIndexA].m_shapeType==SHAPE_COMPOUND_OF_CONVEX_HULLS) \n" -" {\n" -" int numChildrenA = collidables[collidableIndexA].m_numChildShapes;\n" -" for (int c=0;c<numChildrenA;c++)\n" -" {\n" -" int childShapeIndexA = collidables[collidableIndexA].m_shapeIndex+c;\n" -" int childColIndexA = gpuChildShapes[childShapeIndexA].m_shapeIndex;\n" -" float4 posA = rigidBodies[bodyIndexA].m_pos;\n" -" float4 ornA = rigidBodies[bodyIndexA].m_quat;\n" -" float4 childPosA = gpuChildShapes[childShapeIndexA].m_childPosition;\n" -" float4 childOrnA = gpuChildShapes[childShapeIndexA].m_childOrientation;\n" -" float4 newPosA = qtRotate(ornA,childPosA)+posA;\n" -" float4 newOrnA = qtMul(ornA,childOrnA);\n" -" int shapeIndexA = collidables[childColIndexA].m_shapeIndex;\n" -" b3Aabb_t aabbAlocal = aabbLocalSpace[shapeIndexA];\n" -" float margin = 0.f;\n" -" \n" -" b3Float4 aabbAMinWS;\n" -" b3Float4 aabbAMaxWS;\n" -" \n" -" b3TransformAabb2(aabbAlocal.m_minVec,aabbAlocal.m_maxVec,margin,\n" -" newPosA,\n" -" newOrnA,\n" -" &aabbAMinWS,&aabbAMaxWS);\n" -" \n" -" \n" -" if (collidables[collidableIndexB].m_shapeType==SHAPE_COMPOUND_OF_CONVEX_HULLS)\n" -" {\n" -" int numChildrenB = collidables[collidableIndexB].m_numChildShapes;\n" -" for (int b=0;b<numChildrenB;b++)\n" -" {\n" -" int childShapeIndexB = collidables[collidableIndexB].m_shapeIndex+b;\n" -" int childColIndexB = gpuChildShapes[childShapeIndexB].m_shapeIndex;\n" -" float4 ornB = rigidBodies[bodyIndexB].m_quat;\n" -" float4 posB = rigidBodies[bodyIndexB].m_pos;\n" -" float4 childPosB = gpuChildShapes[childShapeIndexB].m_childPosition;\n" -" float4 childOrnB = gpuChildShapes[childShapeIndexB].m_childOrientation;\n" -" float4 newPosB = transform(&childPosB,&posB,&ornB);\n" -" float4 newOrnB = qtMul(ornB,childOrnB);\n" -" int shapeIndexB = collidables[childColIndexB].m_shapeIndex;\n" -" b3Aabb_t aabbBlocal = aabbLocalSpace[shapeIndexB];\n" -" \n" -" b3Float4 aabbBMinWS;\n" -" b3Float4 aabbBMaxWS;\n" -" \n" -" b3TransformAabb2(aabbBlocal.m_minVec,aabbBlocal.m_maxVec,margin,\n" -" newPosB,\n" -" newOrnB,\n" -" &aabbBMinWS,&aabbBMaxWS);\n" -" \n" -" \n" -" \n" -" bool aabbOverlap = b3TestAabbAgainstAabb(aabbAMinWS,aabbAMaxWS,aabbBMinWS,aabbBMaxWS);\n" -" if (aabbOverlap)\n" -" {\n" -" int numFacesA = convexShapes[shapeIndexA].m_numFaces;\n" -" float dmin = FLT_MAX;\n" -" float4 posA = newPosA;\n" -" posA.w = 0.f;\n" -" float4 posB = newPosB;\n" -" posB.w = 0.f;\n" -" float4 c0local = convexShapes[shapeIndexA].m_localCenter;\n" -" float4 ornA = newOrnA;\n" -" float4 c0 = transform(&c0local, &posA, &ornA);\n" -" float4 c1local = convexShapes[shapeIndexB].m_localCenter;\n" -" float4 ornB =newOrnB;\n" -" float4 c1 = transform(&c1local,&posB,&ornB);\n" -" const float4 DeltaC2 = c0 - c1;\n" -" {//\n" -" int compoundPairIdx = atomic_inc(numCompoundPairsOut);\n" -" if (compoundPairIdx<maxNumCompoundPairsCapacity)\n" -" {\n" -" gpuCompoundPairsOut[compoundPairIdx] = (int4)(bodyIndexA,bodyIndexB,childShapeIndexA,childShapeIndexB);\n" -" }\n" -" }//\n" -" }//fi(1)\n" -" } //for (int b=0\n" -" }//if (collidables[collidableIndexB].\n" -" else//if (collidables[collidableIndexB].m_shapeType==SHAPE_COMPOUND_OF_CONVEX_HULLS)\n" -" {\n" -" if (1)\n" -" {\n" -" int numFacesA = convexShapes[shapeIndexA].m_numFaces;\n" -" float dmin = FLT_MAX;\n" -" float4 posA = newPosA;\n" -" posA.w = 0.f;\n" -" float4 posB = rigidBodies[bodyIndexB].m_pos;\n" -" posB.w = 0.f;\n" -" float4 c0local = convexShapes[shapeIndexA].m_localCenter;\n" -" float4 ornA = newOrnA;\n" -" float4 c0 = transform(&c0local, &posA, &ornA);\n" -" float4 c1local = convexShapes[shapeIndexB].m_localCenter;\n" -" float4 ornB = rigidBodies[bodyIndexB].m_quat;\n" -" float4 c1 = transform(&c1local,&posB,&ornB);\n" -" const float4 DeltaC2 = c0 - c1;\n" -" {\n" -" int compoundPairIdx = atomic_inc(numCompoundPairsOut);\n" -" if (compoundPairIdx<maxNumCompoundPairsCapacity)\n" -" {\n" -" gpuCompoundPairsOut[compoundPairIdx] = (int4)(bodyIndexA,bodyIndexB,childShapeIndexA,-1);\n" -" }//if (compoundPairIdx<maxNumCompoundPairsCapacity)\n" -" }//\n" -" }//fi (1)\n" -" }//if (collidables[collidableIndexB].m_shapeType==SHAPE_COMPOUND_OF_CONVEX_HULLS)\n" -" }//for (int b=0;b<numChildrenB;b++) \n" -" return;\n" -" }//if (collidables[collidableIndexB].m_shapeType==SHAPE_COMPOUND_OF_CONVEX_HULLS)\n" -" if ((collidables[collidableIndexA].m_shapeType!=SHAPE_CONCAVE_TRIMESH) \n" -" && (collidables[collidableIndexB].m_shapeType==SHAPE_COMPOUND_OF_CONVEX_HULLS))\n" -" {\n" -" int numChildrenB = collidables[collidableIndexB].m_numChildShapes;\n" -" for (int b=0;b<numChildrenB;b++)\n" -" {\n" -" int childShapeIndexB = collidables[collidableIndexB].m_shapeIndex+b;\n" -" int childColIndexB = gpuChildShapes[childShapeIndexB].m_shapeIndex;\n" -" float4 ornB = rigidBodies[bodyIndexB].m_quat;\n" -" float4 posB = rigidBodies[bodyIndexB].m_pos;\n" -" float4 childPosB = gpuChildShapes[childShapeIndexB].m_childPosition;\n" -" float4 childOrnB = gpuChildShapes[childShapeIndexB].m_childOrientation;\n" -" float4 newPosB = qtRotate(ornB,childPosB)+posB;\n" -" float4 newOrnB = qtMul(ornB,childOrnB);\n" -" int shapeIndexB = collidables[childColIndexB].m_shapeIndex;\n" -" //////////////////////////////////////\n" -" if (1)\n" -" {\n" -" int numFacesA = convexShapes[shapeIndexA].m_numFaces;\n" -" float dmin = FLT_MAX;\n" -" float4 posA = rigidBodies[bodyIndexA].m_pos;\n" -" posA.w = 0.f;\n" -" float4 posB = newPosB;\n" -" posB.w = 0.f;\n" -" float4 c0local = convexShapes[shapeIndexA].m_localCenter;\n" -" float4 ornA = rigidBodies[bodyIndexA].m_quat;\n" -" float4 c0 = transform(&c0local, &posA, &ornA);\n" -" float4 c1local = convexShapes[shapeIndexB].m_localCenter;\n" -" float4 ornB =newOrnB;\n" -" float4 c1 = transform(&c1local,&posB,&ornB);\n" -" const float4 DeltaC2 = c0 - c1;\n" -" {//\n" -" int compoundPairIdx = atomic_inc(numCompoundPairsOut);\n" -" if (compoundPairIdx<maxNumCompoundPairsCapacity)\n" -" {\n" -" gpuCompoundPairsOut[compoundPairIdx] = (int4)(bodyIndexA,bodyIndexB,-1,childShapeIndexB);\n" -" }//fi (compoundPairIdx<maxNumCompoundPairsCapacity)\n" -" }//\n" -" }//fi (1) \n" -" }//for (int b=0;b<numChildrenB;b++)\n" -" return;\n" -" }//if (collidables[collidableIndexB].m_shapeType==SHAPE_COMPOUND_OF_CONVEX_HULLS)\n" -" return;\n" -" }//fi ((collidables[collidableIndexA].m_shapeType==SHAPE_COMPOUND_OF_CONVEX_HULLS) ||(collidables[collidableIndexB].m_shapeType==SHAPE_COMPOUND_OF_CONVEX_HULLS))\n" -" }//i<numPairs\n" -"}\n" -"// work-in-progress\n" -"__kernel void findSeparatingAxisKernel( __global const int4* pairs, \n" -" __global const BodyData* rigidBodies, \n" -" __global const btCollidableGpu* collidables,\n" -" __global const ConvexPolyhedronCL* convexShapes, \n" -" __global const float4* vertices,\n" -" __global const float4* uniqueEdges,\n" -" __global const btGpuFace* faces,\n" -" __global const int* indices,\n" -" __global btAabbCL* aabbs,\n" -" __global volatile float4* separatingNormals,\n" -" __global volatile int* hasSeparatingAxis,\n" -" int numPairs\n" -" )\n" -"{\n" -" int i = get_global_id(0);\n" -" \n" -" if (i<numPairs)\n" -" {\n" -" \n" -" int bodyIndexA = pairs[i].x;\n" -" int bodyIndexB = pairs[i].y;\n" -" int collidableIndexA = rigidBodies[bodyIndexA].m_collidableIdx;\n" -" int collidableIndexB = rigidBodies[bodyIndexB].m_collidableIdx;\n" -" \n" -" int shapeIndexA = collidables[collidableIndexA].m_shapeIndex;\n" -" int shapeIndexB = collidables[collidableIndexB].m_shapeIndex;\n" -" \n" -" \n" -" //once the broadphase avoids static-static pairs, we can remove this test\n" -" if ((rigidBodies[bodyIndexA].m_invMass==0) &&(rigidBodies[bodyIndexB].m_invMass==0))\n" -" {\n" -" hasSeparatingAxis[i] = 0;\n" -" return;\n" -" }\n" -" \n" -" if ((collidables[collidableIndexA].m_shapeType!=SHAPE_CONVEX_HULL) ||(collidables[collidableIndexB].m_shapeType!=SHAPE_CONVEX_HULL))\n" -" {\n" -" hasSeparatingAxis[i] = 0;\n" -" return;\n" -" }\n" -" \n" -" if ((collidables[collidableIndexA].m_shapeType==SHAPE_CONCAVE_TRIMESH))\n" -" {\n" -" hasSeparatingAxis[i] = 0;\n" -" return;\n" -" }\n" -" int numFacesA = convexShapes[shapeIndexA].m_numFaces;\n" -" float dmin = FLT_MAX;\n" -" float4 posA = rigidBodies[bodyIndexA].m_pos;\n" -" posA.w = 0.f;\n" -" float4 posB = rigidBodies[bodyIndexB].m_pos;\n" -" posB.w = 0.f;\n" -" float4 c0local = convexShapes[shapeIndexA].m_localCenter;\n" -" float4 ornA = rigidBodies[bodyIndexA].m_quat;\n" -" float4 c0 = transform(&c0local, &posA, &ornA);\n" -" float4 c1local = convexShapes[shapeIndexB].m_localCenter;\n" -" float4 ornB =rigidBodies[bodyIndexB].m_quat;\n" -" float4 c1 = transform(&c1local,&posB,&ornB);\n" -" const float4 DeltaC2 = c0 - c1;\n" -" float4 sepNormal;\n" -" \n" -" bool sepA = findSeparatingAxis( &convexShapes[shapeIndexA], &convexShapes[shapeIndexB],posA,ornA,\n" -" posB,ornB,\n" -" DeltaC2,\n" -" vertices,uniqueEdges,faces,\n" -" indices,&sepNormal,&dmin);\n" -" hasSeparatingAxis[i] = 4;\n" -" if (!sepA)\n" -" {\n" -" hasSeparatingAxis[i] = 0;\n" -" } else\n" -" {\n" -" bool sepB = findSeparatingAxis( &convexShapes[shapeIndexB],&convexShapes[shapeIndexA],posB,ornB,\n" -" posA,ornA,\n" -" DeltaC2,\n" -" vertices,uniqueEdges,faces,\n" -" indices,&sepNormal,&dmin);\n" -" if (!sepB)\n" -" {\n" -" hasSeparatingAxis[i] = 0;\n" -" } else\n" -" {\n" -" bool sepEE = findSeparatingAxisEdgeEdge( &convexShapes[shapeIndexA], &convexShapes[shapeIndexB],posA,ornA,\n" -" posB,ornB,\n" -" DeltaC2,\n" -" vertices,uniqueEdges,faces,\n" -" indices,&sepNormal,&dmin);\n" -" if (!sepEE)\n" -" {\n" -" hasSeparatingAxis[i] = 0;\n" -" } else\n" -" {\n" -" hasSeparatingAxis[i] = 1;\n" -" separatingNormals[i] = sepNormal;\n" -" }\n" -" }\n" -" }\n" -" \n" -" }\n" -"}\n" -"__kernel void findSeparatingAxisVertexFaceKernel( __global const int4* pairs, \n" -" __global const BodyData* rigidBodies, \n" -" __global const btCollidableGpu* collidables,\n" -" __global const ConvexPolyhedronCL* convexShapes, \n" -" __global const float4* vertices,\n" -" __global const float4* uniqueEdges,\n" -" __global const btGpuFace* faces,\n" -" __global const int* indices,\n" -" __global btAabbCL* aabbs,\n" -" __global volatile float4* separatingNormals,\n" -" __global volatile int* hasSeparatingAxis,\n" -" __global float* dmins,\n" -" int numPairs\n" -" )\n" -"{\n" -" int i = get_global_id(0);\n" -" \n" -" if (i<numPairs)\n" -" {\n" -" \n" -" int bodyIndexA = pairs[i].x;\n" -" int bodyIndexB = pairs[i].y;\n" -" int collidableIndexA = rigidBodies[bodyIndexA].m_collidableIdx;\n" -" int collidableIndexB = rigidBodies[bodyIndexB].m_collidableIdx;\n" -" \n" -" int shapeIndexA = collidables[collidableIndexA].m_shapeIndex;\n" -" int shapeIndexB = collidables[collidableIndexB].m_shapeIndex;\n" -" \n" -" hasSeparatingAxis[i] = 0; \n" -" \n" -" //once the broadphase avoids static-static pairs, we can remove this test\n" -" if ((rigidBodies[bodyIndexA].m_invMass==0) &&(rigidBodies[bodyIndexB].m_invMass==0))\n" -" {\n" -" return;\n" -" }\n" -" \n" -" if ((collidables[collidableIndexA].m_shapeType!=SHAPE_CONVEX_HULL) ||(collidables[collidableIndexB].m_shapeType!=SHAPE_CONVEX_HULL))\n" -" {\n" -" return;\n" -" }\n" -" \n" -" int numFacesA = convexShapes[shapeIndexA].m_numFaces;\n" -" float dmin = FLT_MAX;\n" -" dmins[i] = dmin;\n" -" \n" -" float4 posA = rigidBodies[bodyIndexA].m_pos;\n" -" posA.w = 0.f;\n" -" float4 posB = rigidBodies[bodyIndexB].m_pos;\n" -" posB.w = 0.f;\n" -" float4 c0local = convexShapes[shapeIndexA].m_localCenter;\n" -" float4 ornA = rigidBodies[bodyIndexA].m_quat;\n" -" float4 c0 = transform(&c0local, &posA, &ornA);\n" -" float4 c1local = convexShapes[shapeIndexB].m_localCenter;\n" -" float4 ornB =rigidBodies[bodyIndexB].m_quat;\n" -" float4 c1 = transform(&c1local,&posB,&ornB);\n" -" const float4 DeltaC2 = c0 - c1;\n" -" float4 sepNormal;\n" -" \n" -" bool sepA = findSeparatingAxis( &convexShapes[shapeIndexA], &convexShapes[shapeIndexB],posA,ornA,\n" -" posB,ornB,\n" -" DeltaC2,\n" -" vertices,uniqueEdges,faces,\n" -" indices,&sepNormal,&dmin);\n" -" hasSeparatingAxis[i] = 4;\n" -" if (!sepA)\n" -" {\n" -" hasSeparatingAxis[i] = 0;\n" -" } else\n" -" {\n" -" bool sepB = findSeparatingAxis( &convexShapes[shapeIndexB],&convexShapes[shapeIndexA],posB,ornB,\n" -" posA,ornA,\n" -" DeltaC2,\n" -" vertices,uniqueEdges,faces,\n" -" indices,&sepNormal,&dmin);\n" -" if (sepB)\n" -" {\n" -" dmins[i] = dmin;\n" -" hasSeparatingAxis[i] = 1;\n" -" separatingNormals[i] = sepNormal;\n" -" }\n" -" }\n" -" \n" -" }\n" -"}\n" -"__kernel void findSeparatingAxisEdgeEdgeKernel( __global const int4* pairs, \n" -" __global const BodyData* rigidBodies, \n" -" __global const btCollidableGpu* collidables,\n" -" __global const ConvexPolyhedronCL* convexShapes, \n" -" __global const float4* vertices,\n" -" __global const float4* uniqueEdges,\n" -" __global const btGpuFace* faces,\n" -" __global const int* indices,\n" -" __global btAabbCL* aabbs,\n" -" __global float4* separatingNormals,\n" -" __global int* hasSeparatingAxis,\n" -" __global float* dmins,\n" -" __global const float4* unitSphereDirections,\n" -" int numUnitSphereDirections,\n" -" int numPairs\n" -" )\n" -"{\n" -" int i = get_global_id(0);\n" -" \n" -" if (i<numPairs)\n" -" {\n" -" if (hasSeparatingAxis[i])\n" -" {\n" -" \n" -" int bodyIndexA = pairs[i].x;\n" -" int bodyIndexB = pairs[i].y;\n" -" \n" -" int collidableIndexA = rigidBodies[bodyIndexA].m_collidableIdx;\n" -" int collidableIndexB = rigidBodies[bodyIndexB].m_collidableIdx;\n" -" \n" -" int shapeIndexA = collidables[collidableIndexA].m_shapeIndex;\n" -" int shapeIndexB = collidables[collidableIndexB].m_shapeIndex;\n" -" \n" -" \n" -" int numFacesA = convexShapes[shapeIndexA].m_numFaces;\n" -" \n" -" float dmin = dmins[i];\n" -" \n" -" float4 posA = rigidBodies[bodyIndexA].m_pos;\n" -" posA.w = 0.f;\n" -" float4 posB = rigidBodies[bodyIndexB].m_pos;\n" -" posB.w = 0.f;\n" -" float4 c0local = convexShapes[shapeIndexA].m_localCenter;\n" -" float4 ornA = rigidBodies[bodyIndexA].m_quat;\n" -" float4 c0 = transform(&c0local, &posA, &ornA);\n" -" float4 c1local = convexShapes[shapeIndexB].m_localCenter;\n" -" float4 ornB =rigidBodies[bodyIndexB].m_quat;\n" -" float4 c1 = transform(&c1local,&posB,&ornB);\n" -" const float4 DeltaC2 = c0 - c1;\n" -" float4 sepNormal = separatingNormals[i];\n" -" \n" -" \n" -" \n" -" bool sepEE = false;\n" -" int numEdgeEdgeDirections = convexShapes[shapeIndexA].m_numUniqueEdges*convexShapes[shapeIndexB].m_numUniqueEdges;\n" -" if (numEdgeEdgeDirections<=numUnitSphereDirections)\n" -" {\n" -" sepEE = findSeparatingAxisEdgeEdge( &convexShapes[shapeIndexA], &convexShapes[shapeIndexB],posA,ornA,\n" -" posB,ornB,\n" -" DeltaC2,\n" -" vertices,uniqueEdges,faces,\n" -" indices,&sepNormal,&dmin);\n" -" \n" -" if (!sepEE)\n" -" {\n" -" hasSeparatingAxis[i] = 0;\n" -" } else\n" -" {\n" -" hasSeparatingAxis[i] = 1;\n" -" separatingNormals[i] = sepNormal;\n" -" }\n" -" }\n" -" /*\n" -" ///else case is a separate kernel, to make Mac OSX OpenCL compiler happy\n" -" else\n" -" {\n" -" sepEE = findSeparatingAxisUnitSphere(&convexShapes[shapeIndexA], &convexShapes[shapeIndexB],posA,ornA,\n" -" posB,ornB,\n" -" DeltaC2,\n" -" vertices,unitSphereDirections,numUnitSphereDirections,\n" -" &sepNormal,&dmin);\n" -" if (!sepEE)\n" -" {\n" -" hasSeparatingAxis[i] = 0;\n" -" } else\n" -" {\n" -" hasSeparatingAxis[i] = 1;\n" -" separatingNormals[i] = sepNormal;\n" -" }\n" -" }\n" -" */\n" -" } //if (hasSeparatingAxis[i])\n" -" }//(i<numPairs)\n" -"}\n" -"inline int findClippingFaces(const float4 separatingNormal,\n" -" const ConvexPolyhedronCL* hullA, \n" -" __global const ConvexPolyhedronCL* hullB,\n" -" const float4 posA, const Quaternion ornA,const float4 posB, const Quaternion ornB,\n" -" __global float4* worldVertsA1,\n" -" __global float4* worldNormalsA1,\n" -" __global float4* worldVertsB1,\n" -" int capacityWorldVerts,\n" -" const float minDist, float maxDist,\n" -" const float4* verticesA,\n" -" const btGpuFace* facesA,\n" -" const int* indicesA,\n" -" __global const float4* verticesB,\n" -" __global const btGpuFace* facesB,\n" -" __global const int* indicesB,\n" -" __global int4* clippingFaces, int pairIndex)\n" -"{\n" -" int numContactsOut = 0;\n" -" int numWorldVertsB1= 0;\n" -" \n" -" \n" -" int closestFaceB=0;\n" -" float dmax = -FLT_MAX;\n" -" \n" -" {\n" -" for(int face=0;face<hullB->m_numFaces;face++)\n" -" {\n" -" const float4 Normal = make_float4(facesB[hullB->m_faceOffset+face].m_plane.x,\n" -" facesB[hullB->m_faceOffset+face].m_plane.y, facesB[hullB->m_faceOffset+face].m_plane.z,0.f);\n" -" const float4 WorldNormal = qtRotate(ornB, Normal);\n" -" float d = dot3F4(WorldNormal,separatingNormal);\n" -" if (d > dmax)\n" -" {\n" -" dmax = d;\n" -" closestFaceB = face;\n" -" }\n" -" }\n" -" }\n" -" \n" -" {\n" -" const btGpuFace polyB = facesB[hullB->m_faceOffset+closestFaceB];\n" -" int numVertices = polyB.m_numIndices;\n" -" if (numVertices>capacityWorldVerts)\n" -" numVertices = capacityWorldVerts;\n" -" \n" -" for(int e0=0;e0<numVertices;e0++)\n" -" {\n" -" if (e0<capacityWorldVerts)\n" -" {\n" -" const float4 b = verticesB[hullB->m_vertexOffset+indicesB[polyB.m_indexOffset+e0]];\n" -" worldVertsB1[pairIndex*capacityWorldVerts+numWorldVertsB1++] = transform(&b,&posB,&ornB);\n" -" }\n" -" }\n" -" }\n" -" \n" -" int closestFaceA=0;\n" -" {\n" -" float dmin = FLT_MAX;\n" -" for(int face=0;face<hullA->m_numFaces;face++)\n" -" {\n" -" const float4 Normal = make_float4(\n" -" facesA[hullA->m_faceOffset+face].m_plane.x,\n" -" facesA[hullA->m_faceOffset+face].m_plane.y,\n" -" facesA[hullA->m_faceOffset+face].m_plane.z,\n" -" 0.f);\n" -" const float4 faceANormalWS = qtRotate(ornA,Normal);\n" -" \n" -" float d = dot3F4(faceANormalWS,separatingNormal);\n" -" if (d < dmin)\n" -" {\n" -" dmin = d;\n" -" closestFaceA = face;\n" -" worldNormalsA1[pairIndex] = faceANormalWS;\n" -" }\n" -" }\n" -" }\n" -" \n" -" int numVerticesA = facesA[hullA->m_faceOffset+closestFaceA].m_numIndices;\n" -" if (numVerticesA>capacityWorldVerts)\n" -" numVerticesA = capacityWorldVerts;\n" -" \n" -" for(int e0=0;e0<numVerticesA;e0++)\n" -" {\n" -" if (e0<capacityWorldVerts)\n" -" {\n" -" const float4 a = verticesA[hullA->m_vertexOffset+indicesA[facesA[hullA->m_faceOffset+closestFaceA].m_indexOffset+e0]];\n" -" worldVertsA1[pairIndex*capacityWorldVerts+e0] = transform(&a, &posA,&ornA);\n" -" }\n" -" }\n" -" \n" -" clippingFaces[pairIndex].x = closestFaceA;\n" -" clippingFaces[pairIndex].y = closestFaceB;\n" -" clippingFaces[pairIndex].z = numVerticesA;\n" -" clippingFaces[pairIndex].w = numWorldVertsB1;\n" -" \n" -" \n" -" return numContactsOut;\n" -"}\n" -"// work-in-progress\n" -"__kernel void findConcaveSeparatingAxisKernel( __global int4* concavePairs,\n" -" __global const BodyData* rigidBodies,\n" -" __global const btCollidableGpu* collidables,\n" -" __global const ConvexPolyhedronCL* convexShapes, \n" -" __global const float4* vertices,\n" -" __global const float4* uniqueEdges,\n" -" __global const btGpuFace* faces,\n" -" __global const int* indices,\n" -" __global const btGpuChildShape* gpuChildShapes,\n" -" __global btAabbCL* aabbs,\n" -" __global float4* concaveSeparatingNormalsOut,\n" -" __global int* concaveHasSeparatingNormals,\n" -" __global int4* clippingFacesOut,\n" -" __global float4* worldVertsA1GPU,\n" -" __global float4* worldNormalsAGPU,\n" -" __global float4* worldVertsB1GPU,\n" -" int vertexFaceCapacity,\n" -" int numConcavePairs\n" -" )\n" -"{\n" -" int i = get_global_id(0);\n" -" if (i>=numConcavePairs)\n" -" return;\n" -" concaveHasSeparatingNormals[i] = 0;\n" -" int pairIdx = i;\n" -" int bodyIndexA = concavePairs[i].x;\n" -" int bodyIndexB = concavePairs[i].y;\n" -" int collidableIndexA = rigidBodies[bodyIndexA].m_collidableIdx;\n" -" int collidableIndexB = rigidBodies[bodyIndexB].m_collidableIdx;\n" -" int shapeIndexA = collidables[collidableIndexA].m_shapeIndex;\n" -" int shapeIndexB = collidables[collidableIndexB].m_shapeIndex;\n" -" if (collidables[collidableIndexB].m_shapeType!=SHAPE_CONVEX_HULL&&\n" -" collidables[collidableIndexB].m_shapeType!=SHAPE_COMPOUND_OF_CONVEX_HULLS)\n" -" {\n" -" concavePairs[pairIdx].w = -1;\n" -" return;\n" -" }\n" -" int numFacesA = convexShapes[shapeIndexA].m_numFaces;\n" -" int numActualConcaveConvexTests = 0;\n" -" \n" -" int f = concavePairs[i].z;\n" -" \n" -" bool overlap = false;\n" -" \n" -" ConvexPolyhedronCL convexPolyhedronA;\n" -" //add 3 vertices of the triangle\n" -" convexPolyhedronA.m_numVertices = 3;\n" -" convexPolyhedronA.m_vertexOffset = 0;\n" -" float4 localCenter = make_float4(0.f,0.f,0.f,0.f);\n" -" btGpuFace face = faces[convexShapes[shapeIndexA].m_faceOffset+f];\n" -" float4 triMinAabb, triMaxAabb;\n" -" btAabbCL triAabb;\n" -" triAabb.m_min = make_float4(1e30f,1e30f,1e30f,0.f);\n" -" triAabb.m_max = make_float4(-1e30f,-1e30f,-1e30f,0.f);\n" -" \n" -" float4 verticesA[3];\n" -" for (int i=0;i<3;i++)\n" -" {\n" -" int index = indices[face.m_indexOffset+i];\n" -" float4 vert = vertices[convexShapes[shapeIndexA].m_vertexOffset+index];\n" -" verticesA[i] = vert;\n" -" localCenter += vert;\n" -" \n" -" triAabb.m_min = min(triAabb.m_min,vert); \n" -" triAabb.m_max = max(triAabb.m_max,vert); \n" -" }\n" -" overlap = true;\n" -" overlap = (triAabb.m_min.x > aabbs[bodyIndexB].m_max.x || triAabb.m_max.x < aabbs[bodyIndexB].m_min.x) ? false : overlap;\n" -" overlap = (triAabb.m_min.z > aabbs[bodyIndexB].m_max.z || triAabb.m_max.z < aabbs[bodyIndexB].m_min.z) ? false : overlap;\n" -" overlap = (triAabb.m_min.y > aabbs[bodyIndexB].m_max.y || triAabb.m_max.y < aabbs[bodyIndexB].m_min.y) ? false : overlap;\n" -" \n" -" if (overlap)\n" -" {\n" -" float dmin = FLT_MAX;\n" -" int hasSeparatingAxis=5;\n" -" float4 sepAxis=make_float4(1,2,3,4);\n" -" int localCC=0;\n" -" numActualConcaveConvexTests++;\n" -" //a triangle has 3 unique edges\n" -" convexPolyhedronA.m_numUniqueEdges = 3;\n" -" convexPolyhedronA.m_uniqueEdgesOffset = 0;\n" -" float4 uniqueEdgesA[3];\n" -" \n" -" uniqueEdgesA[0] = (verticesA[1]-verticesA[0]);\n" -" uniqueEdgesA[1] = (verticesA[2]-verticesA[1]);\n" -" uniqueEdgesA[2] = (verticesA[0]-verticesA[2]);\n" -" convexPolyhedronA.m_faceOffset = 0;\n" -" \n" -" float4 normal = make_float4(face.m_plane.x,face.m_plane.y,face.m_plane.z,0.f);\n" -" \n" -" btGpuFace facesA[TRIANGLE_NUM_CONVEX_FACES];\n" -" int indicesA[3+3+2+2+2];\n" -" int curUsedIndices=0;\n" -" int fidx=0;\n" -" //front size of triangle\n" -" {\n" -" facesA[fidx].m_indexOffset=curUsedIndices;\n" -" indicesA[0] = 0;\n" -" indicesA[1] = 1;\n" -" indicesA[2] = 2;\n" -" curUsedIndices+=3;\n" -" float c = face.m_plane.w;\n" -" facesA[fidx].m_plane.x = normal.x;\n" -" facesA[fidx].m_plane.y = normal.y;\n" -" facesA[fidx].m_plane.z = normal.z;\n" -" facesA[fidx].m_plane.w = c;\n" -" facesA[fidx].m_numIndices=3;\n" -" }\n" -" fidx++;\n" -" //back size of triangle\n" -" {\n" -" facesA[fidx].m_indexOffset=curUsedIndices;\n" -" indicesA[3]=2;\n" -" indicesA[4]=1;\n" -" indicesA[5]=0;\n" -" curUsedIndices+=3;\n" -" float c = dot(normal,verticesA[0]);\n" -" float c1 = -face.m_plane.w;\n" -" facesA[fidx].m_plane.x = -normal.x;\n" -" facesA[fidx].m_plane.y = -normal.y;\n" -" facesA[fidx].m_plane.z = -normal.z;\n" -" facesA[fidx].m_plane.w = c;\n" -" facesA[fidx].m_numIndices=3;\n" -" }\n" -" fidx++;\n" -" bool addEdgePlanes = true;\n" -" if (addEdgePlanes)\n" -" {\n" -" int numVertices=3;\n" -" int prevVertex = numVertices-1;\n" -" for (int i=0;i<numVertices;i++)\n" -" {\n" -" float4 v0 = verticesA[i];\n" -" float4 v1 = verticesA[prevVertex];\n" -" \n" -" float4 edgeNormal = normalize(cross(normal,v1-v0));\n" -" float c = -dot(edgeNormal,v0);\n" -" facesA[fidx].m_numIndices = 2;\n" -" facesA[fidx].m_indexOffset=curUsedIndices;\n" -" indicesA[curUsedIndices++]=i;\n" -" indicesA[curUsedIndices++]=prevVertex;\n" -" \n" -" facesA[fidx].m_plane.x = edgeNormal.x;\n" -" facesA[fidx].m_plane.y = edgeNormal.y;\n" -" facesA[fidx].m_plane.z = edgeNormal.z;\n" -" facesA[fidx].m_plane.w = c;\n" -" fidx++;\n" -" prevVertex = i;\n" -" }\n" -" }\n" -" convexPolyhedronA.m_numFaces = TRIANGLE_NUM_CONVEX_FACES;\n" -" convexPolyhedronA.m_localCenter = localCenter*(1.f/3.f);\n" -" float4 posA = rigidBodies[bodyIndexA].m_pos;\n" -" posA.w = 0.f;\n" -" float4 posB = rigidBodies[bodyIndexB].m_pos;\n" -" posB.w = 0.f;\n" -" float4 ornA = rigidBodies[bodyIndexA].m_quat;\n" -" float4 ornB =rigidBodies[bodyIndexB].m_quat;\n" -" \n" -" ///////////////////\n" -" ///compound shape support\n" -" if (collidables[collidableIndexB].m_shapeType==SHAPE_COMPOUND_OF_CONVEX_HULLS)\n" -" {\n" -" int compoundChild = concavePairs[pairIdx].w;\n" -" int childShapeIndexB = compoundChild;//collidables[collidableIndexB].m_shapeIndex+compoundChild;\n" -" int childColIndexB = gpuChildShapes[childShapeIndexB].m_shapeIndex;\n" -" float4 childPosB = gpuChildShapes[childShapeIndexB].m_childPosition;\n" -" float4 childOrnB = gpuChildShapes[childShapeIndexB].m_childOrientation;\n" -" float4 newPosB = transform(&childPosB,&posB,&ornB);\n" -" float4 newOrnB = qtMul(ornB,childOrnB);\n" -" posB = newPosB;\n" -" ornB = newOrnB;\n" -" shapeIndexB = collidables[childColIndexB].m_shapeIndex;\n" -" }\n" -" //////////////////\n" -" float4 c0local = convexPolyhedronA.m_localCenter;\n" -" float4 c0 = transform(&c0local, &posA, &ornA);\n" -" float4 c1local = convexShapes[shapeIndexB].m_localCenter;\n" -" float4 c1 = transform(&c1local,&posB,&ornB);\n" -" const float4 DeltaC2 = c0 - c1;\n" -" bool sepA = findSeparatingAxisLocalA( &convexPolyhedronA, &convexShapes[shapeIndexB],\n" -" posA,ornA,\n" -" posB,ornB,\n" -" DeltaC2,\n" -" verticesA,uniqueEdgesA,facesA,indicesA,\n" -" vertices,uniqueEdges,faces,indices,\n" -" &sepAxis,&dmin);\n" -" hasSeparatingAxis = 4;\n" -" if (!sepA)\n" -" {\n" -" hasSeparatingAxis = 0;\n" -" } else\n" -" {\n" -" bool sepB = findSeparatingAxisLocalB( &convexShapes[shapeIndexB],&convexPolyhedronA,\n" -" posB,ornB,\n" -" posA,ornA,\n" -" DeltaC2,\n" -" vertices,uniqueEdges,faces,indices,\n" -" verticesA,uniqueEdgesA,facesA,indicesA,\n" -" &sepAxis,&dmin);\n" -" if (!sepB)\n" -" {\n" -" hasSeparatingAxis = 0;\n" -" } else\n" -" {\n" -" bool sepEE = findSeparatingAxisEdgeEdgeLocalA( &convexPolyhedronA, &convexShapes[shapeIndexB],\n" -" posA,ornA,\n" -" posB,ornB,\n" -" DeltaC2,\n" -" verticesA,uniqueEdgesA,facesA,indicesA,\n" -" vertices,uniqueEdges,faces,indices,\n" -" &sepAxis,&dmin);\n" -" \n" -" if (!sepEE)\n" -" {\n" -" hasSeparatingAxis = 0;\n" -" } else\n" -" {\n" -" hasSeparatingAxis = 1;\n" -" }\n" -" }\n" -" } \n" -" \n" -" if (hasSeparatingAxis)\n" -" {\n" -" sepAxis.w = dmin;\n" -" concaveSeparatingNormalsOut[pairIdx]=sepAxis;\n" -" concaveHasSeparatingNormals[i]=1;\n" -" float minDist = -1e30f;\n" -" float maxDist = 0.02f;\n" -" \n" -" findClippingFaces(sepAxis,\n" -" &convexPolyhedronA,\n" -" &convexShapes[shapeIndexB],\n" -" posA,ornA,\n" -" posB,ornB,\n" -" worldVertsA1GPU,\n" -" worldNormalsAGPU,\n" -" worldVertsB1GPU,\n" -" vertexFaceCapacity,\n" -" minDist, maxDist,\n" -" verticesA,\n" -" facesA,\n" -" indicesA,\n" -" vertices,\n" -" faces,\n" -" indices,\n" -" clippingFacesOut, pairIdx);\n" -" } else\n" -" { \n" -" //mark this pair as in-active\n" -" concavePairs[pairIdx].w = -1;\n" -" }\n" -" }\n" -" else\n" -" { \n" -" //mark this pair as in-active\n" -" concavePairs[pairIdx].w = -1;\n" -" }\n" -" \n" -" concavePairs[pairIdx].z = -1;//now z is used for existing/persistent contacts\n" -"}\n" -; +static const char* satKernelsCL = + "//keep this enum in sync with the CPU version (in btCollidable.h)\n" + "//written by Erwin Coumans\n" + "#define SHAPE_CONVEX_HULL 3\n" + "#define SHAPE_CONCAVE_TRIMESH 5\n" + "#define TRIANGLE_NUM_CONVEX_FACES 5\n" + "#define SHAPE_COMPOUND_OF_CONVEX_HULLS 6\n" + "#define B3_MAX_STACK_DEPTH 256\n" + "typedef unsigned int u32;\n" + "///keep this in sync with btCollidable.h\n" + "typedef struct\n" + "{\n" + " union {\n" + " int m_numChildShapes;\n" + " int m_bvhIndex;\n" + " };\n" + " union\n" + " {\n" + " float m_radius;\n" + " int m_compoundBvhIndex;\n" + " };\n" + " \n" + " int m_shapeType;\n" + " int m_shapeIndex;\n" + " \n" + "} btCollidableGpu;\n" + "#define MAX_NUM_PARTS_IN_BITS 10\n" + "///b3QuantizedBvhNode is a compressed aabb node, 16 bytes.\n" + "///Node can be used for leafnode or internal node. Leafnodes can point to 32-bit triangle index (non-negative range).\n" + "typedef struct\n" + "{\n" + " //12 bytes\n" + " unsigned short int m_quantizedAabbMin[3];\n" + " unsigned short int m_quantizedAabbMax[3];\n" + " //4 bytes\n" + " int m_escapeIndexOrTriangleIndex;\n" + "} b3QuantizedBvhNode;\n" + "typedef struct\n" + "{\n" + " float4 m_aabbMin;\n" + " float4 m_aabbMax;\n" + " float4 m_quantization;\n" + " int m_numNodes;\n" + " int m_numSubTrees;\n" + " int m_nodeOffset;\n" + " int m_subTreeOffset;\n" + "} b3BvhInfo;\n" + "int getTriangleIndex(const b3QuantizedBvhNode* rootNode)\n" + "{\n" + " unsigned int x=0;\n" + " unsigned int y = (~(x&0))<<(31-MAX_NUM_PARTS_IN_BITS);\n" + " // Get only the lower bits where the triangle index is stored\n" + " return (rootNode->m_escapeIndexOrTriangleIndex&~(y));\n" + "}\n" + "int getTriangleIndexGlobal(__global const b3QuantizedBvhNode* rootNode)\n" + "{\n" + " unsigned int x=0;\n" + " unsigned int y = (~(x&0))<<(31-MAX_NUM_PARTS_IN_BITS);\n" + " // Get only the lower bits where the triangle index is stored\n" + " return (rootNode->m_escapeIndexOrTriangleIndex&~(y));\n" + "}\n" + "int isLeafNode(const b3QuantizedBvhNode* rootNode)\n" + "{\n" + " //skipindex is negative (internal node), triangleindex >=0 (leafnode)\n" + " return (rootNode->m_escapeIndexOrTriangleIndex >= 0)? 1 : 0;\n" + "}\n" + "int isLeafNodeGlobal(__global const b3QuantizedBvhNode* rootNode)\n" + "{\n" + " //skipindex is negative (internal node), triangleindex >=0 (leafnode)\n" + " return (rootNode->m_escapeIndexOrTriangleIndex >= 0)? 1 : 0;\n" + "}\n" + " \n" + "int getEscapeIndex(const b3QuantizedBvhNode* rootNode)\n" + "{\n" + " return -rootNode->m_escapeIndexOrTriangleIndex;\n" + "}\n" + "int getEscapeIndexGlobal(__global const b3QuantizedBvhNode* rootNode)\n" + "{\n" + " return -rootNode->m_escapeIndexOrTriangleIndex;\n" + "}\n" + "typedef struct\n" + "{\n" + " //12 bytes\n" + " unsigned short int m_quantizedAabbMin[3];\n" + " unsigned short int m_quantizedAabbMax[3];\n" + " //4 bytes, points to the root of the subtree\n" + " int m_rootNodeIndex;\n" + " //4 bytes\n" + " int m_subtreeSize;\n" + " int m_padding[3];\n" + "} b3BvhSubtreeInfo;\n" + "typedef struct\n" + "{\n" + " float4 m_childPosition;\n" + " float4 m_childOrientation;\n" + " int m_shapeIndex;\n" + " int m_unused0;\n" + " int m_unused1;\n" + " int m_unused2;\n" + "} btGpuChildShape;\n" + "typedef struct\n" + "{\n" + " float4 m_pos;\n" + " float4 m_quat;\n" + " float4 m_linVel;\n" + " float4 m_angVel;\n" + " u32 m_collidableIdx;\n" + " float m_invMass;\n" + " float m_restituitionCoeff;\n" + " float m_frictionCoeff;\n" + "} BodyData;\n" + "typedef struct \n" + "{\n" + " float4 m_localCenter;\n" + " float4 m_extents;\n" + " float4 mC;\n" + " float4 mE;\n" + " \n" + " float m_radius;\n" + " int m_faceOffset;\n" + " int m_numFaces;\n" + " int m_numVertices;\n" + " int m_vertexOffset;\n" + " int m_uniqueEdgesOffset;\n" + " int m_numUniqueEdges;\n" + " int m_unused;\n" + "} ConvexPolyhedronCL;\n" + "typedef struct \n" + "{\n" + " union\n" + " {\n" + " float4 m_min;\n" + " float m_minElems[4];\n" + " int m_minIndices[4];\n" + " };\n" + " union\n" + " {\n" + " float4 m_max;\n" + " float m_maxElems[4];\n" + " int m_maxIndices[4];\n" + " };\n" + "} btAabbCL;\n" + "#ifndef B3_AABB_H\n" + "#define B3_AABB_H\n" + "#ifndef B3_FLOAT4_H\n" + "#define B3_FLOAT4_H\n" + "#ifndef B3_PLATFORM_DEFINITIONS_H\n" + "#define B3_PLATFORM_DEFINITIONS_H\n" + "struct MyTest\n" + "{\n" + " int bla;\n" + "};\n" + "#ifdef __cplusplus\n" + "#else\n" + "//keep B3_LARGE_FLOAT*B3_LARGE_FLOAT < FLT_MAX\n" + "#define B3_LARGE_FLOAT 1e18f\n" + "#define B3_INFINITY 1e18f\n" + "#define b3Assert(a)\n" + "#define b3ConstArray(a) __global const a*\n" + "#define b3AtomicInc atomic_inc\n" + "#define b3AtomicAdd atomic_add\n" + "#define b3Fabs fabs\n" + "#define b3Sqrt native_sqrt\n" + "#define b3Sin native_sin\n" + "#define b3Cos native_cos\n" + "#define B3_STATIC\n" + "#endif\n" + "#endif\n" + "#ifdef __cplusplus\n" + "#else\n" + " typedef float4 b3Float4;\n" + " #define b3Float4ConstArg const b3Float4\n" + " #define b3MakeFloat4 (float4)\n" + " float b3Dot3F4(b3Float4ConstArg v0,b3Float4ConstArg v1)\n" + " {\n" + " float4 a1 = b3MakeFloat4(v0.xyz,0.f);\n" + " float4 b1 = b3MakeFloat4(v1.xyz,0.f);\n" + " return dot(a1, b1);\n" + " }\n" + " b3Float4 b3Cross3(b3Float4ConstArg v0,b3Float4ConstArg v1)\n" + " {\n" + " float4 a1 = b3MakeFloat4(v0.xyz,0.f);\n" + " float4 b1 = b3MakeFloat4(v1.xyz,0.f);\n" + " return cross(a1, b1);\n" + " }\n" + " #define b3MinFloat4 min\n" + " #define b3MaxFloat4 max\n" + " #define b3Normalized(a) normalize(a)\n" + "#endif \n" + " \n" + "inline bool b3IsAlmostZero(b3Float4ConstArg v)\n" + "{\n" + " if(b3Fabs(v.x)>1e-6 || b3Fabs(v.y)>1e-6 || b3Fabs(v.z)>1e-6) \n" + " return false;\n" + " return true;\n" + "}\n" + "inline int b3MaxDot( b3Float4ConstArg vec, __global const b3Float4* vecArray, int vecLen, float* dotOut )\n" + "{\n" + " float maxDot = -B3_INFINITY;\n" + " int i = 0;\n" + " int ptIndex = -1;\n" + " for( i = 0; i < vecLen; i++ )\n" + " {\n" + " float dot = b3Dot3F4(vecArray[i],vec);\n" + " \n" + " if( dot > maxDot )\n" + " {\n" + " maxDot = dot;\n" + " ptIndex = i;\n" + " }\n" + " }\n" + " b3Assert(ptIndex>=0);\n" + " if (ptIndex<0)\n" + " {\n" + " ptIndex = 0;\n" + " }\n" + " *dotOut = maxDot;\n" + " return ptIndex;\n" + "}\n" + "#endif //B3_FLOAT4_H\n" + "#ifndef B3_MAT3x3_H\n" + "#define B3_MAT3x3_H\n" + "#ifndef B3_QUAT_H\n" + "#define B3_QUAT_H\n" + "#ifndef B3_PLATFORM_DEFINITIONS_H\n" + "#ifdef __cplusplus\n" + "#else\n" + "#endif\n" + "#endif\n" + "#ifndef B3_FLOAT4_H\n" + "#ifdef __cplusplus\n" + "#else\n" + "#endif \n" + "#endif //B3_FLOAT4_H\n" + "#ifdef __cplusplus\n" + "#else\n" + " typedef float4 b3Quat;\n" + " #define b3QuatConstArg const b3Quat\n" + " \n" + " \n" + "inline float4 b3FastNormalize4(float4 v)\n" + "{\n" + " v = (float4)(v.xyz,0.f);\n" + " return fast_normalize(v);\n" + "}\n" + " \n" + "inline b3Quat b3QuatMul(b3Quat a, b3Quat b);\n" + "inline b3Quat b3QuatNormalized(b3QuatConstArg in);\n" + "inline b3Quat b3QuatRotate(b3QuatConstArg q, b3QuatConstArg vec);\n" + "inline b3Quat b3QuatInvert(b3QuatConstArg q);\n" + "inline b3Quat b3QuatInverse(b3QuatConstArg q);\n" + "inline b3Quat b3QuatMul(b3QuatConstArg a, b3QuatConstArg b)\n" + "{\n" + " b3Quat ans;\n" + " ans = b3Cross3( a, b );\n" + " ans += a.w*b+b.w*a;\n" + "// ans.w = a.w*b.w - (a.x*b.x+a.y*b.y+a.z*b.z);\n" + " ans.w = a.w*b.w - b3Dot3F4(a, b);\n" + " return ans;\n" + "}\n" + "inline b3Quat b3QuatNormalized(b3QuatConstArg in)\n" + "{\n" + " b3Quat q;\n" + " q=in;\n" + " //return b3FastNormalize4(in);\n" + " float len = native_sqrt(dot(q, q));\n" + " if(len > 0.f)\n" + " {\n" + " q *= 1.f / len;\n" + " }\n" + " else\n" + " {\n" + " q.x = q.y = q.z = 0.f;\n" + " q.w = 1.f;\n" + " }\n" + " return q;\n" + "}\n" + "inline float4 b3QuatRotate(b3QuatConstArg q, b3QuatConstArg vec)\n" + "{\n" + " b3Quat qInv = b3QuatInvert( q );\n" + " float4 vcpy = vec;\n" + " vcpy.w = 0.f;\n" + " float4 out = b3QuatMul(b3QuatMul(q,vcpy),qInv);\n" + " return out;\n" + "}\n" + "inline b3Quat b3QuatInverse(b3QuatConstArg q)\n" + "{\n" + " return (b3Quat)(-q.xyz, q.w);\n" + "}\n" + "inline b3Quat b3QuatInvert(b3QuatConstArg q)\n" + "{\n" + " return (b3Quat)(-q.xyz, q.w);\n" + "}\n" + "inline float4 b3QuatInvRotate(b3QuatConstArg q, b3QuatConstArg vec)\n" + "{\n" + " return b3QuatRotate( b3QuatInvert( q ), vec );\n" + "}\n" + "inline b3Float4 b3TransformPoint(b3Float4ConstArg point, b3Float4ConstArg translation, b3QuatConstArg orientation)\n" + "{\n" + " return b3QuatRotate( orientation, point ) + (translation);\n" + "}\n" + " \n" + "#endif \n" + "#endif //B3_QUAT_H\n" + "#ifdef __cplusplus\n" + "#else\n" + "typedef struct\n" + "{\n" + " b3Float4 m_row[3];\n" + "}b3Mat3x3;\n" + "#define b3Mat3x3ConstArg const b3Mat3x3\n" + "#define b3GetRow(m,row) (m.m_row[row])\n" + "inline b3Mat3x3 b3QuatGetRotationMatrix(b3Quat quat)\n" + "{\n" + " b3Float4 quat2 = (b3Float4)(quat.x*quat.x, quat.y*quat.y, quat.z*quat.z, 0.f);\n" + " b3Mat3x3 out;\n" + " out.m_row[0].x=1-2*quat2.y-2*quat2.z;\n" + " out.m_row[0].y=2*quat.x*quat.y-2*quat.w*quat.z;\n" + " out.m_row[0].z=2*quat.x*quat.z+2*quat.w*quat.y;\n" + " out.m_row[0].w = 0.f;\n" + " out.m_row[1].x=2*quat.x*quat.y+2*quat.w*quat.z;\n" + " out.m_row[1].y=1-2*quat2.x-2*quat2.z;\n" + " out.m_row[1].z=2*quat.y*quat.z-2*quat.w*quat.x;\n" + " out.m_row[1].w = 0.f;\n" + " out.m_row[2].x=2*quat.x*quat.z-2*quat.w*quat.y;\n" + " out.m_row[2].y=2*quat.y*quat.z+2*quat.w*quat.x;\n" + " out.m_row[2].z=1-2*quat2.x-2*quat2.y;\n" + " out.m_row[2].w = 0.f;\n" + " return out;\n" + "}\n" + "inline b3Mat3x3 b3AbsoluteMat3x3(b3Mat3x3ConstArg matIn)\n" + "{\n" + " b3Mat3x3 out;\n" + " out.m_row[0] = fabs(matIn.m_row[0]);\n" + " out.m_row[1] = fabs(matIn.m_row[1]);\n" + " out.m_row[2] = fabs(matIn.m_row[2]);\n" + " return out;\n" + "}\n" + "__inline\n" + "b3Mat3x3 mtZero();\n" + "__inline\n" + "b3Mat3x3 mtIdentity();\n" + "__inline\n" + "b3Mat3x3 mtTranspose(b3Mat3x3 m);\n" + "__inline\n" + "b3Mat3x3 mtMul(b3Mat3x3 a, b3Mat3x3 b);\n" + "__inline\n" + "b3Float4 mtMul1(b3Mat3x3 a, b3Float4 b);\n" + "__inline\n" + "b3Float4 mtMul3(b3Float4 a, b3Mat3x3 b);\n" + "__inline\n" + "b3Mat3x3 mtZero()\n" + "{\n" + " b3Mat3x3 m;\n" + " m.m_row[0] = (b3Float4)(0.f);\n" + " m.m_row[1] = (b3Float4)(0.f);\n" + " m.m_row[2] = (b3Float4)(0.f);\n" + " return m;\n" + "}\n" + "__inline\n" + "b3Mat3x3 mtIdentity()\n" + "{\n" + " b3Mat3x3 m;\n" + " m.m_row[0] = (b3Float4)(1,0,0,0);\n" + " m.m_row[1] = (b3Float4)(0,1,0,0);\n" + " m.m_row[2] = (b3Float4)(0,0,1,0);\n" + " return m;\n" + "}\n" + "__inline\n" + "b3Mat3x3 mtTranspose(b3Mat3x3 m)\n" + "{\n" + " b3Mat3x3 out;\n" + " out.m_row[0] = (b3Float4)(m.m_row[0].x, m.m_row[1].x, m.m_row[2].x, 0.f);\n" + " out.m_row[1] = (b3Float4)(m.m_row[0].y, m.m_row[1].y, m.m_row[2].y, 0.f);\n" + " out.m_row[2] = (b3Float4)(m.m_row[0].z, m.m_row[1].z, m.m_row[2].z, 0.f);\n" + " return out;\n" + "}\n" + "__inline\n" + "b3Mat3x3 mtMul(b3Mat3x3 a, b3Mat3x3 b)\n" + "{\n" + " b3Mat3x3 transB;\n" + " transB = mtTranspose( b );\n" + " b3Mat3x3 ans;\n" + " // why this doesn't run when 0ing in the for{}\n" + " a.m_row[0].w = 0.f;\n" + " a.m_row[1].w = 0.f;\n" + " a.m_row[2].w = 0.f;\n" + " for(int i=0; i<3; i++)\n" + " {\n" + "// a.m_row[i].w = 0.f;\n" + " ans.m_row[i].x = b3Dot3F4(a.m_row[i],transB.m_row[0]);\n" + " ans.m_row[i].y = b3Dot3F4(a.m_row[i],transB.m_row[1]);\n" + " ans.m_row[i].z = b3Dot3F4(a.m_row[i],transB.m_row[2]);\n" + " ans.m_row[i].w = 0.f;\n" + " }\n" + " return ans;\n" + "}\n" + "__inline\n" + "b3Float4 mtMul1(b3Mat3x3 a, b3Float4 b)\n" + "{\n" + " b3Float4 ans;\n" + " ans.x = b3Dot3F4( a.m_row[0], b );\n" + " ans.y = b3Dot3F4( a.m_row[1], b );\n" + " ans.z = b3Dot3F4( a.m_row[2], b );\n" + " ans.w = 0.f;\n" + " return ans;\n" + "}\n" + "__inline\n" + "b3Float4 mtMul3(b3Float4 a, b3Mat3x3 b)\n" + "{\n" + " b3Float4 colx = b3MakeFloat4(b.m_row[0].x, b.m_row[1].x, b.m_row[2].x, 0);\n" + " b3Float4 coly = b3MakeFloat4(b.m_row[0].y, b.m_row[1].y, b.m_row[2].y, 0);\n" + " b3Float4 colz = b3MakeFloat4(b.m_row[0].z, b.m_row[1].z, b.m_row[2].z, 0);\n" + " b3Float4 ans;\n" + " ans.x = b3Dot3F4( a, colx );\n" + " ans.y = b3Dot3F4( a, coly );\n" + " ans.z = b3Dot3F4( a, colz );\n" + " return ans;\n" + "}\n" + "#endif\n" + "#endif //B3_MAT3x3_H\n" + "typedef struct b3Aabb b3Aabb_t;\n" + "struct b3Aabb\n" + "{\n" + " union\n" + " {\n" + " float m_min[4];\n" + " b3Float4 m_minVec;\n" + " int m_minIndices[4];\n" + " };\n" + " union\n" + " {\n" + " float m_max[4];\n" + " b3Float4 m_maxVec;\n" + " int m_signedMaxIndices[4];\n" + " };\n" + "};\n" + "inline void b3TransformAabb2(b3Float4ConstArg localAabbMin,b3Float4ConstArg localAabbMax, float margin,\n" + " b3Float4ConstArg pos,\n" + " b3QuatConstArg orn,\n" + " b3Float4* aabbMinOut,b3Float4* aabbMaxOut)\n" + "{\n" + " b3Float4 localHalfExtents = 0.5f*(localAabbMax-localAabbMin);\n" + " localHalfExtents+=b3MakeFloat4(margin,margin,margin,0.f);\n" + " b3Float4 localCenter = 0.5f*(localAabbMax+localAabbMin);\n" + " b3Mat3x3 m;\n" + " m = b3QuatGetRotationMatrix(orn);\n" + " b3Mat3x3 abs_b = b3AbsoluteMat3x3(m);\n" + " b3Float4 center = b3TransformPoint(localCenter,pos,orn);\n" + " \n" + " b3Float4 extent = b3MakeFloat4(b3Dot3F4(localHalfExtents,b3GetRow(abs_b,0)),\n" + " b3Dot3F4(localHalfExtents,b3GetRow(abs_b,1)),\n" + " b3Dot3F4(localHalfExtents,b3GetRow(abs_b,2)),\n" + " 0.f);\n" + " *aabbMinOut = center-extent;\n" + " *aabbMaxOut = center+extent;\n" + "}\n" + "/// conservative test for overlap between two aabbs\n" + "inline bool b3TestAabbAgainstAabb(b3Float4ConstArg aabbMin1,b3Float4ConstArg aabbMax1,\n" + " b3Float4ConstArg aabbMin2, b3Float4ConstArg aabbMax2)\n" + "{\n" + " bool overlap = true;\n" + " overlap = (aabbMin1.x > aabbMax2.x || aabbMax1.x < aabbMin2.x) ? false : overlap;\n" + " overlap = (aabbMin1.z > aabbMax2.z || aabbMax1.z < aabbMin2.z) ? false : overlap;\n" + " overlap = (aabbMin1.y > aabbMax2.y || aabbMax1.y < aabbMin2.y) ? false : overlap;\n" + " return overlap;\n" + "}\n" + "#endif //B3_AABB_H\n" + "/*\n" + "Bullet Continuous Collision Detection and Physics Library\n" + "Copyright (c) 2003-2013 Erwin Coumans http://bulletphysics.org\n" + "This software is provided 'as-is', without any express or implied warranty.\n" + "In no event will the authors be held liable for any damages arising from the use of this software.\n" + "Permission is granted to anyone to use this software for any purpose,\n" + "including commercial applications, and to alter it and redistribute it freely,\n" + "subject to the following restrictions:\n" + "1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required.\n" + "2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.\n" + "3. This notice may not be removed or altered from any source distribution.\n" + "*/\n" + "#ifndef B3_INT2_H\n" + "#define B3_INT2_H\n" + "#ifdef __cplusplus\n" + "#else\n" + "#define b3UnsignedInt2 uint2\n" + "#define b3Int2 int2\n" + "#define b3MakeInt2 (int2)\n" + "#endif //__cplusplus\n" + "#endif\n" + "typedef struct\n" + "{\n" + " float4 m_plane;\n" + " int m_indexOffset;\n" + " int m_numIndices;\n" + "} btGpuFace;\n" + "#define make_float4 (float4)\n" + "__inline\n" + "float4 cross3(float4 a, float4 b)\n" + "{\n" + " return cross(a,b);\n" + " \n" + "// float4 a1 = make_float4(a.xyz,0.f);\n" + "// float4 b1 = make_float4(b.xyz,0.f);\n" + "// return cross(a1,b1);\n" + "//float4 c = make_float4(a.y*b.z - a.z*b.y,a.z*b.x - a.x*b.z,a.x*b.y - a.y*b.x,0.f);\n" + " \n" + " // float4 c = make_float4(a.y*b.z - a.z*b.y,1.f,a.x*b.y - a.y*b.x,0.f);\n" + " \n" + " //return c;\n" + "}\n" + "__inline\n" + "float dot3F4(float4 a, float4 b)\n" + "{\n" + " float4 a1 = make_float4(a.xyz,0.f);\n" + " float4 b1 = make_float4(b.xyz,0.f);\n" + " return dot(a1, b1);\n" + "}\n" + "__inline\n" + "float4 fastNormalize4(float4 v)\n" + "{\n" + " v = make_float4(v.xyz,0.f);\n" + " return fast_normalize(v);\n" + "}\n" + "///////////////////////////////////////\n" + "// Quaternion\n" + "///////////////////////////////////////\n" + "typedef float4 Quaternion;\n" + "__inline\n" + "Quaternion qtMul(Quaternion a, Quaternion b);\n" + "__inline\n" + "Quaternion qtNormalize(Quaternion in);\n" + "__inline\n" + "float4 qtRotate(Quaternion q, float4 vec);\n" + "__inline\n" + "Quaternion qtInvert(Quaternion q);\n" + "__inline\n" + "Quaternion qtMul(Quaternion a, Quaternion b)\n" + "{\n" + " Quaternion ans;\n" + " ans = cross3( a, b );\n" + " ans += a.w*b+b.w*a;\n" + "// ans.w = a.w*b.w - (a.x*b.x+a.y*b.y+a.z*b.z);\n" + " ans.w = a.w*b.w - dot3F4(a, b);\n" + " return ans;\n" + "}\n" + "__inline\n" + "Quaternion qtNormalize(Quaternion in)\n" + "{\n" + " return fastNormalize4(in);\n" + "// in /= length( in );\n" + "// return in;\n" + "}\n" + "__inline\n" + "float4 qtRotate(Quaternion q, float4 vec)\n" + "{\n" + " Quaternion qInv = qtInvert( q );\n" + " float4 vcpy = vec;\n" + " vcpy.w = 0.f;\n" + " float4 out = qtMul(qtMul(q,vcpy),qInv);\n" + " return out;\n" + "}\n" + "__inline\n" + "Quaternion qtInvert(Quaternion q)\n" + "{\n" + " return (Quaternion)(-q.xyz, q.w);\n" + "}\n" + "__inline\n" + "float4 qtInvRotate(const Quaternion q, float4 vec)\n" + "{\n" + " return qtRotate( qtInvert( q ), vec );\n" + "}\n" + "__inline\n" + "float4 transform(const float4* p, const float4* translation, const Quaternion* orientation)\n" + "{\n" + " return qtRotate( *orientation, *p ) + (*translation);\n" + "}\n" + "__inline\n" + "float4 normalize3(const float4 a)\n" + "{\n" + " float4 n = make_float4(a.x, a.y, a.z, 0.f);\n" + " return fastNormalize4( n );\n" + "}\n" + "inline void projectLocal(const ConvexPolyhedronCL* hull, const float4 pos, const float4 orn, \n" + "const float4* dir, const float4* vertices, float* min, float* max)\n" + "{\n" + " min[0] = FLT_MAX;\n" + " max[0] = -FLT_MAX;\n" + " int numVerts = hull->m_numVertices;\n" + " const float4 localDir = qtInvRotate(orn,*dir);\n" + " float offset = dot(pos,*dir);\n" + " for(int i=0;i<numVerts;i++)\n" + " {\n" + " float dp = dot(vertices[hull->m_vertexOffset+i],localDir);\n" + " if(dp < min[0]) \n" + " min[0] = dp;\n" + " if(dp > max[0]) \n" + " max[0] = dp;\n" + " }\n" + " if(min[0]>max[0])\n" + " {\n" + " float tmp = min[0];\n" + " min[0] = max[0];\n" + " max[0] = tmp;\n" + " }\n" + " min[0] += offset;\n" + " max[0] += offset;\n" + "}\n" + "inline void project(__global const ConvexPolyhedronCL* hull, const float4 pos, const float4 orn, \n" + "const float4* dir, __global const float4* vertices, float* min, float* max)\n" + "{\n" + " min[0] = FLT_MAX;\n" + " max[0] = -FLT_MAX;\n" + " int numVerts = hull->m_numVertices;\n" + " const float4 localDir = qtInvRotate(orn,*dir);\n" + " float offset = dot(pos,*dir);\n" + " for(int i=0;i<numVerts;i++)\n" + " {\n" + " float dp = dot(vertices[hull->m_vertexOffset+i],localDir);\n" + " if(dp < min[0]) \n" + " min[0] = dp;\n" + " if(dp > max[0]) \n" + " max[0] = dp;\n" + " }\n" + " if(min[0]>max[0])\n" + " {\n" + " float tmp = min[0];\n" + " min[0] = max[0];\n" + " max[0] = tmp;\n" + " }\n" + " min[0] += offset;\n" + " max[0] += offset;\n" + "}\n" + "inline bool TestSepAxisLocalA(const ConvexPolyhedronCL* hullA, __global const ConvexPolyhedronCL* hullB, \n" + " const float4 posA,const float4 ornA,\n" + " const float4 posB,const float4 ornB,\n" + " float4* sep_axis, const float4* verticesA, __global const float4* verticesB,float* depth)\n" + "{\n" + " float Min0,Max0;\n" + " float Min1,Max1;\n" + " projectLocal(hullA,posA,ornA,sep_axis,verticesA, &Min0, &Max0);\n" + " project(hullB,posB,ornB, sep_axis,verticesB, &Min1, &Max1);\n" + " if(Max0<Min1 || Max1<Min0)\n" + " return false;\n" + " float d0 = Max0 - Min1;\n" + " float d1 = Max1 - Min0;\n" + " *depth = d0<d1 ? d0:d1;\n" + " return true;\n" + "}\n" + "inline bool IsAlmostZero(const float4 v)\n" + "{\n" + " if(fabs(v.x)>1e-6f || fabs(v.y)>1e-6f || fabs(v.z)>1e-6f)\n" + " return false;\n" + " return true;\n" + "}\n" + "bool findSeparatingAxisLocalA( const ConvexPolyhedronCL* hullA, __global const ConvexPolyhedronCL* hullB, \n" + " const float4 posA1,\n" + " const float4 ornA,\n" + " const float4 posB1,\n" + " const float4 ornB,\n" + " const float4 DeltaC2,\n" + " \n" + " const float4* verticesA, \n" + " const float4* uniqueEdgesA, \n" + " const btGpuFace* facesA,\n" + " const int* indicesA,\n" + " __global const float4* verticesB, \n" + " __global const float4* uniqueEdgesB, \n" + " __global const btGpuFace* facesB,\n" + " __global const int* indicesB,\n" + " float4* sep,\n" + " float* dmin)\n" + "{\n" + " \n" + " float4 posA = posA1;\n" + " posA.w = 0.f;\n" + " float4 posB = posB1;\n" + " posB.w = 0.f;\n" + " int curPlaneTests=0;\n" + " {\n" + " int numFacesA = hullA->m_numFaces;\n" + " // Test normals from hullA\n" + " for(int i=0;i<numFacesA;i++)\n" + " {\n" + " const float4 normal = facesA[hullA->m_faceOffset+i].m_plane;\n" + " float4 faceANormalWS = qtRotate(ornA,normal);\n" + " if (dot3F4(DeltaC2,faceANormalWS)<0)\n" + " faceANormalWS*=-1.f;\n" + " curPlaneTests++;\n" + " float d;\n" + " if(!TestSepAxisLocalA( hullA, hullB, posA,ornA,posB,ornB,&faceANormalWS, verticesA, verticesB,&d))\n" + " return false;\n" + " if(d<*dmin)\n" + " {\n" + " *dmin = d;\n" + " *sep = faceANormalWS;\n" + " }\n" + " }\n" + " }\n" + " if((dot3F4(-DeltaC2,*sep))>0.0f)\n" + " {\n" + " *sep = -(*sep);\n" + " }\n" + " return true;\n" + "}\n" + "bool findSeparatingAxisLocalB( __global const ConvexPolyhedronCL* hullA, const ConvexPolyhedronCL* hullB, \n" + " const float4 posA1,\n" + " const float4 ornA,\n" + " const float4 posB1,\n" + " const float4 ornB,\n" + " const float4 DeltaC2,\n" + " __global const float4* verticesA, \n" + " __global const float4* uniqueEdgesA, \n" + " __global const btGpuFace* facesA,\n" + " __global const int* indicesA,\n" + " const float4* verticesB,\n" + " const float4* uniqueEdgesB, \n" + " const btGpuFace* facesB,\n" + " const int* indicesB,\n" + " float4* sep,\n" + " float* dmin)\n" + "{\n" + " float4 posA = posA1;\n" + " posA.w = 0.f;\n" + " float4 posB = posB1;\n" + " posB.w = 0.f;\n" + " int curPlaneTests=0;\n" + " {\n" + " int numFacesA = hullA->m_numFaces;\n" + " // Test normals from hullA\n" + " for(int i=0;i<numFacesA;i++)\n" + " {\n" + " const float4 normal = facesA[hullA->m_faceOffset+i].m_plane;\n" + " float4 faceANormalWS = qtRotate(ornA,normal);\n" + " if (dot3F4(DeltaC2,faceANormalWS)<0)\n" + " faceANormalWS *= -1.f;\n" + " curPlaneTests++;\n" + " float d;\n" + " if(!TestSepAxisLocalA( hullB, hullA, posB,ornB,posA,ornA, &faceANormalWS, verticesB,verticesA, &d))\n" + " return false;\n" + " if(d<*dmin)\n" + " {\n" + " *dmin = d;\n" + " *sep = faceANormalWS;\n" + " }\n" + " }\n" + " }\n" + " if((dot3F4(-DeltaC2,*sep))>0.0f)\n" + " {\n" + " *sep = -(*sep);\n" + " }\n" + " return true;\n" + "}\n" + "bool findSeparatingAxisEdgeEdgeLocalA( const ConvexPolyhedronCL* hullA, __global const ConvexPolyhedronCL* hullB, \n" + " const float4 posA1,\n" + " const float4 ornA,\n" + " const float4 posB1,\n" + " const float4 ornB,\n" + " const float4 DeltaC2,\n" + " const float4* verticesA, \n" + " const float4* uniqueEdgesA, \n" + " const btGpuFace* facesA,\n" + " const int* indicesA,\n" + " __global const float4* verticesB, \n" + " __global const float4* uniqueEdgesB, \n" + " __global const btGpuFace* facesB,\n" + " __global const int* indicesB,\n" + " float4* sep,\n" + " float* dmin)\n" + "{\n" + " float4 posA = posA1;\n" + " posA.w = 0.f;\n" + " float4 posB = posB1;\n" + " posB.w = 0.f;\n" + " int curPlaneTests=0;\n" + " int curEdgeEdge = 0;\n" + " // Test edges\n" + " for(int e0=0;e0<hullA->m_numUniqueEdges;e0++)\n" + " {\n" + " const float4 edge0 = uniqueEdgesA[hullA->m_uniqueEdgesOffset+e0];\n" + " float4 edge0World = qtRotate(ornA,edge0);\n" + " for(int e1=0;e1<hullB->m_numUniqueEdges;e1++)\n" + " {\n" + " const float4 edge1 = uniqueEdgesB[hullB->m_uniqueEdgesOffset+e1];\n" + " float4 edge1World = qtRotate(ornB,edge1);\n" + " float4 crossje = cross3(edge0World,edge1World);\n" + " curEdgeEdge++;\n" + " if(!IsAlmostZero(crossje))\n" + " {\n" + " crossje = normalize3(crossje);\n" + " if (dot3F4(DeltaC2,crossje)<0)\n" + " crossje *= -1.f;\n" + " float dist;\n" + " bool result = true;\n" + " {\n" + " float Min0,Max0;\n" + " float Min1,Max1;\n" + " projectLocal(hullA,posA,ornA,&crossje,verticesA, &Min0, &Max0);\n" + " project(hullB,posB,ornB,&crossje,verticesB, &Min1, &Max1);\n" + " \n" + " if(Max0<Min1 || Max1<Min0)\n" + " result = false;\n" + " \n" + " float d0 = Max0 - Min1;\n" + " float d1 = Max1 - Min0;\n" + " dist = d0<d1 ? d0:d1;\n" + " result = true;\n" + " }\n" + " \n" + " if(dist<*dmin)\n" + " {\n" + " *dmin = dist;\n" + " *sep = crossje;\n" + " }\n" + " }\n" + " }\n" + " }\n" + " \n" + " if((dot3F4(-DeltaC2,*sep))>0.0f)\n" + " {\n" + " *sep = -(*sep);\n" + " }\n" + " return true;\n" + "}\n" + "inline bool TestSepAxis(__global const ConvexPolyhedronCL* hullA, __global const ConvexPolyhedronCL* hullB, \n" + " const float4 posA,const float4 ornA,\n" + " const float4 posB,const float4 ornB,\n" + " float4* sep_axis, __global const float4* vertices,float* depth)\n" + "{\n" + " float Min0,Max0;\n" + " float Min1,Max1;\n" + " project(hullA,posA,ornA,sep_axis,vertices, &Min0, &Max0);\n" + " project(hullB,posB,ornB, sep_axis,vertices, &Min1, &Max1);\n" + " if(Max0<Min1 || Max1<Min0)\n" + " return false;\n" + " float d0 = Max0 - Min1;\n" + " float d1 = Max1 - Min0;\n" + " *depth = d0<d1 ? d0:d1;\n" + " return true;\n" + "}\n" + "bool findSeparatingAxis( __global const ConvexPolyhedronCL* hullA, __global const ConvexPolyhedronCL* hullB, \n" + " const float4 posA1,\n" + " const float4 ornA,\n" + " const float4 posB1,\n" + " const float4 ornB,\n" + " const float4 DeltaC2,\n" + " __global const float4* vertices, \n" + " __global const float4* uniqueEdges, \n" + " __global const btGpuFace* faces,\n" + " __global const int* indices,\n" + " float4* sep,\n" + " float* dmin)\n" + "{\n" + " \n" + " float4 posA = posA1;\n" + " posA.w = 0.f;\n" + " float4 posB = posB1;\n" + " posB.w = 0.f;\n" + " \n" + " int curPlaneTests=0;\n" + " {\n" + " int numFacesA = hullA->m_numFaces;\n" + " // Test normals from hullA\n" + " for(int i=0;i<numFacesA;i++)\n" + " {\n" + " const float4 normal = faces[hullA->m_faceOffset+i].m_plane;\n" + " float4 faceANormalWS = qtRotate(ornA,normal);\n" + " \n" + " if (dot3F4(DeltaC2,faceANormalWS)<0)\n" + " faceANormalWS*=-1.f;\n" + " \n" + " curPlaneTests++;\n" + " \n" + " float d;\n" + " if(!TestSepAxis( hullA, hullB, posA,ornA,posB,ornB,&faceANormalWS, vertices,&d))\n" + " return false;\n" + " \n" + " if(d<*dmin)\n" + " {\n" + " *dmin = d;\n" + " *sep = faceANormalWS;\n" + " }\n" + " }\n" + " }\n" + " if((dot3F4(-DeltaC2,*sep))>0.0f)\n" + " {\n" + " *sep = -(*sep);\n" + " }\n" + " \n" + " return true;\n" + "}\n" + "bool findSeparatingAxisUnitSphere( __global const ConvexPolyhedronCL* hullA, __global const ConvexPolyhedronCL* hullB, \n" + " const float4 posA1,\n" + " const float4 ornA,\n" + " const float4 posB1,\n" + " const float4 ornB,\n" + " const float4 DeltaC2,\n" + " __global const float4* vertices,\n" + " __global const float4* unitSphereDirections,\n" + " int numUnitSphereDirections,\n" + " float4* sep,\n" + " float* dmin)\n" + "{\n" + " \n" + " float4 posA = posA1;\n" + " posA.w = 0.f;\n" + " float4 posB = posB1;\n" + " posB.w = 0.f;\n" + " int curPlaneTests=0;\n" + " int curEdgeEdge = 0;\n" + " // Test unit sphere directions\n" + " for (int i=0;i<numUnitSphereDirections;i++)\n" + " {\n" + " float4 crossje;\n" + " crossje = unitSphereDirections[i]; \n" + " if (dot3F4(DeltaC2,crossje)>0)\n" + " crossje *= -1.f;\n" + " {\n" + " float dist;\n" + " bool result = true;\n" + " float Min0,Max0;\n" + " float Min1,Max1;\n" + " project(hullA,posA,ornA,&crossje,vertices, &Min0, &Max0);\n" + " project(hullB,posB,ornB,&crossje,vertices, &Min1, &Max1);\n" + " \n" + " if(Max0<Min1 || Max1<Min0)\n" + " return false;\n" + " \n" + " float d0 = Max0 - Min1;\n" + " float d1 = Max1 - Min0;\n" + " dist = d0<d1 ? d0:d1;\n" + " result = true;\n" + " \n" + " if(dist<*dmin)\n" + " {\n" + " *dmin = dist;\n" + " *sep = crossje;\n" + " }\n" + " }\n" + " }\n" + " \n" + " if((dot3F4(-DeltaC2,*sep))>0.0f)\n" + " {\n" + " *sep = -(*sep);\n" + " }\n" + " return true;\n" + "}\n" + "bool findSeparatingAxisEdgeEdge( __global const ConvexPolyhedronCL* hullA, __global const ConvexPolyhedronCL* hullB, \n" + " const float4 posA1,\n" + " const float4 ornA,\n" + " const float4 posB1,\n" + " const float4 ornB,\n" + " const float4 DeltaC2,\n" + " __global const float4* vertices, \n" + " __global const float4* uniqueEdges, \n" + " __global const btGpuFace* faces,\n" + " __global const int* indices,\n" + " float4* sep,\n" + " float* dmin)\n" + "{\n" + " \n" + " float4 posA = posA1;\n" + " posA.w = 0.f;\n" + " float4 posB = posB1;\n" + " posB.w = 0.f;\n" + " int curPlaneTests=0;\n" + " int curEdgeEdge = 0;\n" + " // Test edges\n" + " for(int e0=0;e0<hullA->m_numUniqueEdges;e0++)\n" + " {\n" + " const float4 edge0 = uniqueEdges[hullA->m_uniqueEdgesOffset+e0];\n" + " float4 edge0World = qtRotate(ornA,edge0);\n" + " for(int e1=0;e1<hullB->m_numUniqueEdges;e1++)\n" + " {\n" + " const float4 edge1 = uniqueEdges[hullB->m_uniqueEdgesOffset+e1];\n" + " float4 edge1World = qtRotate(ornB,edge1);\n" + " float4 crossje = cross3(edge0World,edge1World);\n" + " curEdgeEdge++;\n" + " if(!IsAlmostZero(crossje))\n" + " {\n" + " crossje = normalize3(crossje);\n" + " if (dot3F4(DeltaC2,crossje)<0)\n" + " crossje*=-1.f;\n" + " \n" + " float dist;\n" + " bool result = true;\n" + " {\n" + " float Min0,Max0;\n" + " float Min1,Max1;\n" + " project(hullA,posA,ornA,&crossje,vertices, &Min0, &Max0);\n" + " project(hullB,posB,ornB,&crossje,vertices, &Min1, &Max1);\n" + " \n" + " if(Max0<Min1 || Max1<Min0)\n" + " return false;\n" + " \n" + " float d0 = Max0 - Min1;\n" + " float d1 = Max1 - Min0;\n" + " dist = d0<d1 ? d0:d1;\n" + " result = true;\n" + " }\n" + " \n" + " if(dist<*dmin)\n" + " {\n" + " *dmin = dist;\n" + " *sep = crossje;\n" + " }\n" + " }\n" + " }\n" + " }\n" + " \n" + " if((dot3F4(-DeltaC2,*sep))>0.0f)\n" + " {\n" + " *sep = -(*sep);\n" + " }\n" + " return true;\n" + "}\n" + "// work-in-progress\n" + "__kernel void processCompoundPairsKernel( __global const int4* gpuCompoundPairs,\n" + " __global const BodyData* rigidBodies, \n" + " __global const btCollidableGpu* collidables,\n" + " __global const ConvexPolyhedronCL* convexShapes, \n" + " __global const float4* vertices,\n" + " __global const float4* uniqueEdges,\n" + " __global const btGpuFace* faces,\n" + " __global const int* indices,\n" + " __global btAabbCL* aabbs,\n" + " __global const btGpuChildShape* gpuChildShapes,\n" + " __global volatile float4* gpuCompoundSepNormalsOut,\n" + " __global volatile int* gpuHasCompoundSepNormalsOut,\n" + " int numCompoundPairs\n" + " )\n" + "{\n" + " int i = get_global_id(0);\n" + " if (i<numCompoundPairs)\n" + " {\n" + " int bodyIndexA = gpuCompoundPairs[i].x;\n" + " int bodyIndexB = gpuCompoundPairs[i].y;\n" + " int childShapeIndexA = gpuCompoundPairs[i].z;\n" + " int childShapeIndexB = gpuCompoundPairs[i].w;\n" + " \n" + " int collidableIndexA = -1;\n" + " int collidableIndexB = -1;\n" + " \n" + " float4 ornA = rigidBodies[bodyIndexA].m_quat;\n" + " float4 posA = rigidBodies[bodyIndexA].m_pos;\n" + " \n" + " float4 ornB = rigidBodies[bodyIndexB].m_quat;\n" + " float4 posB = rigidBodies[bodyIndexB].m_pos;\n" + " \n" + " if (childShapeIndexA >= 0)\n" + " {\n" + " collidableIndexA = gpuChildShapes[childShapeIndexA].m_shapeIndex;\n" + " float4 childPosA = gpuChildShapes[childShapeIndexA].m_childPosition;\n" + " float4 childOrnA = gpuChildShapes[childShapeIndexA].m_childOrientation;\n" + " float4 newPosA = qtRotate(ornA,childPosA)+posA;\n" + " float4 newOrnA = qtMul(ornA,childOrnA);\n" + " posA = newPosA;\n" + " ornA = newOrnA;\n" + " } else\n" + " {\n" + " collidableIndexA = rigidBodies[bodyIndexA].m_collidableIdx;\n" + " }\n" + " \n" + " if (childShapeIndexB>=0)\n" + " {\n" + " collidableIndexB = gpuChildShapes[childShapeIndexB].m_shapeIndex;\n" + " float4 childPosB = gpuChildShapes[childShapeIndexB].m_childPosition;\n" + " float4 childOrnB = gpuChildShapes[childShapeIndexB].m_childOrientation;\n" + " float4 newPosB = transform(&childPosB,&posB,&ornB);\n" + " float4 newOrnB = qtMul(ornB,childOrnB);\n" + " posB = newPosB;\n" + " ornB = newOrnB;\n" + " } else\n" + " {\n" + " collidableIndexB = rigidBodies[bodyIndexB].m_collidableIdx; \n" + " }\n" + " \n" + " gpuHasCompoundSepNormalsOut[i] = 0;\n" + " \n" + " int shapeIndexA = collidables[collidableIndexA].m_shapeIndex;\n" + " int shapeIndexB = collidables[collidableIndexB].m_shapeIndex;\n" + " \n" + " int shapeTypeA = collidables[collidableIndexA].m_shapeType;\n" + " int shapeTypeB = collidables[collidableIndexB].m_shapeType;\n" + " \n" + " if ((shapeTypeA != SHAPE_CONVEX_HULL) || (shapeTypeB != SHAPE_CONVEX_HULL))\n" + " {\n" + " return;\n" + " }\n" + " int hasSeparatingAxis = 5;\n" + " \n" + " int numFacesA = convexShapes[shapeIndexA].m_numFaces;\n" + " float dmin = FLT_MAX;\n" + " posA.w = 0.f;\n" + " posB.w = 0.f;\n" + " float4 c0local = convexShapes[shapeIndexA].m_localCenter;\n" + " float4 c0 = transform(&c0local, &posA, &ornA);\n" + " float4 c1local = convexShapes[shapeIndexB].m_localCenter;\n" + " float4 c1 = transform(&c1local,&posB,&ornB);\n" + " const float4 DeltaC2 = c0 - c1;\n" + " float4 sepNormal = make_float4(1,0,0,0);\n" + " bool sepA = findSeparatingAxis( &convexShapes[shapeIndexA], &convexShapes[shapeIndexB],posA,ornA,posB,ornB,DeltaC2,vertices,uniqueEdges,faces,indices,&sepNormal,&dmin);\n" + " hasSeparatingAxis = 4;\n" + " if (!sepA)\n" + " {\n" + " hasSeparatingAxis = 0;\n" + " } else\n" + " {\n" + " bool sepB = findSeparatingAxis( &convexShapes[shapeIndexB],&convexShapes[shapeIndexA],posB,ornB,posA,ornA,DeltaC2,vertices,uniqueEdges,faces,indices,&sepNormal,&dmin);\n" + " if (!sepB)\n" + " {\n" + " hasSeparatingAxis = 0;\n" + " } else//(!sepB)\n" + " {\n" + " bool sepEE = findSeparatingAxisEdgeEdge( &convexShapes[shapeIndexA], &convexShapes[shapeIndexB],posA,ornA,posB,ornB,DeltaC2,vertices,uniqueEdges,faces,indices,&sepNormal,&dmin);\n" + " if (sepEE)\n" + " {\n" + " gpuCompoundSepNormalsOut[i] = sepNormal;//fastNormalize4(sepNormal);\n" + " gpuHasCompoundSepNormalsOut[i] = 1;\n" + " }//sepEE\n" + " }//(!sepB)\n" + " }//(!sepA)\n" + " \n" + " \n" + " }\n" + " \n" + "}\n" + "inline b3Float4 MyUnQuantize(const unsigned short* vecIn, b3Float4 quantization, b3Float4 bvhAabbMin)\n" + "{\n" + " b3Float4 vecOut;\n" + " vecOut = b3MakeFloat4(\n" + " (float)(vecIn[0]) / (quantization.x),\n" + " (float)(vecIn[1]) / (quantization.y),\n" + " (float)(vecIn[2]) / (quantization.z),\n" + " 0.f);\n" + " vecOut += bvhAabbMin;\n" + " return vecOut;\n" + "}\n" + "inline b3Float4 MyUnQuantizeGlobal(__global const unsigned short* vecIn, b3Float4 quantization, b3Float4 bvhAabbMin)\n" + "{\n" + " b3Float4 vecOut;\n" + " vecOut = b3MakeFloat4(\n" + " (float)(vecIn[0]) / (quantization.x),\n" + " (float)(vecIn[1]) / (quantization.y),\n" + " (float)(vecIn[2]) / (quantization.z),\n" + " 0.f);\n" + " vecOut += bvhAabbMin;\n" + " return vecOut;\n" + "}\n" + "// work-in-progress\n" + "__kernel void findCompoundPairsKernel( __global const int4* pairs, \n" + " __global const BodyData* rigidBodies, \n" + " __global const btCollidableGpu* collidables,\n" + " __global const ConvexPolyhedronCL* convexShapes, \n" + " __global const float4* vertices,\n" + " __global const float4* uniqueEdges,\n" + " __global const btGpuFace* faces,\n" + " __global const int* indices,\n" + " __global b3Aabb_t* aabbLocalSpace,\n" + " __global const btGpuChildShape* gpuChildShapes,\n" + " __global volatile int4* gpuCompoundPairsOut,\n" + " __global volatile int* numCompoundPairsOut,\n" + " __global const b3BvhSubtreeInfo* subtrees,\n" + " __global const b3QuantizedBvhNode* quantizedNodes,\n" + " __global const b3BvhInfo* bvhInfos,\n" + " int numPairs,\n" + " int maxNumCompoundPairsCapacity\n" + " )\n" + "{\n" + " int i = get_global_id(0);\n" + " if (i<numPairs)\n" + " {\n" + " int bodyIndexA = pairs[i].x;\n" + " int bodyIndexB = pairs[i].y;\n" + " int collidableIndexA = rigidBodies[bodyIndexA].m_collidableIdx;\n" + " int collidableIndexB = rigidBodies[bodyIndexB].m_collidableIdx;\n" + " int shapeIndexA = collidables[collidableIndexA].m_shapeIndex;\n" + " int shapeIndexB = collidables[collidableIndexB].m_shapeIndex;\n" + " //once the broadphase avoids static-static pairs, we can remove this test\n" + " if ((rigidBodies[bodyIndexA].m_invMass==0) &&(rigidBodies[bodyIndexB].m_invMass==0))\n" + " {\n" + " return;\n" + " }\n" + " if ((collidables[collidableIndexA].m_shapeType==SHAPE_COMPOUND_OF_CONVEX_HULLS) &&(collidables[collidableIndexB].m_shapeType==SHAPE_COMPOUND_OF_CONVEX_HULLS))\n" + " {\n" + " int bvhA = collidables[collidableIndexA].m_compoundBvhIndex;\n" + " int bvhB = collidables[collidableIndexB].m_compoundBvhIndex;\n" + " int numSubTreesA = bvhInfos[bvhA].m_numSubTrees;\n" + " int subTreesOffsetA = bvhInfos[bvhA].m_subTreeOffset;\n" + " int subTreesOffsetB = bvhInfos[bvhB].m_subTreeOffset;\n" + " int numSubTreesB = bvhInfos[bvhB].m_numSubTrees;\n" + " \n" + " float4 posA = rigidBodies[bodyIndexA].m_pos;\n" + " b3Quat ornA = rigidBodies[bodyIndexA].m_quat;\n" + " b3Quat ornB = rigidBodies[bodyIndexB].m_quat;\n" + " float4 posB = rigidBodies[bodyIndexB].m_pos;\n" + " \n" + " for (int p=0;p<numSubTreesA;p++)\n" + " {\n" + " b3BvhSubtreeInfo subtreeA = subtrees[subTreesOffsetA+p];\n" + " //bvhInfos[bvhA].m_quantization\n" + " b3Float4 treeAminLocal = MyUnQuantize(subtreeA.m_quantizedAabbMin,bvhInfos[bvhA].m_quantization,bvhInfos[bvhA].m_aabbMin);\n" + " b3Float4 treeAmaxLocal = MyUnQuantize(subtreeA.m_quantizedAabbMax,bvhInfos[bvhA].m_quantization,bvhInfos[bvhA].m_aabbMin);\n" + " b3Float4 aabbAMinOut,aabbAMaxOut;\n" + " float margin=0.f;\n" + " b3TransformAabb2(treeAminLocal,treeAmaxLocal, margin,posA,ornA,&aabbAMinOut,&aabbAMaxOut);\n" + " \n" + " for (int q=0;q<numSubTreesB;q++)\n" + " {\n" + " b3BvhSubtreeInfo subtreeB = subtrees[subTreesOffsetB+q];\n" + " b3Float4 treeBminLocal = MyUnQuantize(subtreeB.m_quantizedAabbMin,bvhInfos[bvhB].m_quantization,bvhInfos[bvhB].m_aabbMin);\n" + " b3Float4 treeBmaxLocal = MyUnQuantize(subtreeB.m_quantizedAabbMax,bvhInfos[bvhB].m_quantization,bvhInfos[bvhB].m_aabbMin);\n" + " b3Float4 aabbBMinOut,aabbBMaxOut;\n" + " float margin=0.f;\n" + " b3TransformAabb2(treeBminLocal,treeBmaxLocal, margin,posB,ornB,&aabbBMinOut,&aabbBMaxOut);\n" + " \n" + " \n" + " bool aabbOverlap = b3TestAabbAgainstAabb(aabbAMinOut,aabbAMaxOut,aabbBMinOut,aabbBMaxOut);\n" + " if (aabbOverlap)\n" + " {\n" + " \n" + " int startNodeIndexA = subtreeA.m_rootNodeIndex+bvhInfos[bvhA].m_nodeOffset;\n" + " int endNodeIndexA = startNodeIndexA+subtreeA.m_subtreeSize;\n" + " int startNodeIndexB = subtreeB.m_rootNodeIndex+bvhInfos[bvhB].m_nodeOffset;\n" + " int endNodeIndexB = startNodeIndexB+subtreeB.m_subtreeSize;\n" + " b3Int2 nodeStack[B3_MAX_STACK_DEPTH];\n" + " b3Int2 node0;\n" + " node0.x = startNodeIndexA;\n" + " node0.y = startNodeIndexB;\n" + " int maxStackDepth = B3_MAX_STACK_DEPTH;\n" + " int depth=0;\n" + " nodeStack[depth++]=node0;\n" + " do\n" + " {\n" + " b3Int2 node = nodeStack[--depth];\n" + " b3Float4 aMinLocal = MyUnQuantizeGlobal(quantizedNodes[node.x].m_quantizedAabbMin,bvhInfos[bvhA].m_quantization,bvhInfos[bvhA].m_aabbMin);\n" + " b3Float4 aMaxLocal = MyUnQuantizeGlobal(quantizedNodes[node.x].m_quantizedAabbMax,bvhInfos[bvhA].m_quantization,bvhInfos[bvhA].m_aabbMin);\n" + " b3Float4 bMinLocal = MyUnQuantizeGlobal(quantizedNodes[node.y].m_quantizedAabbMin,bvhInfos[bvhB].m_quantization,bvhInfos[bvhB].m_aabbMin);\n" + " b3Float4 bMaxLocal = MyUnQuantizeGlobal(quantizedNodes[node.y].m_quantizedAabbMax,bvhInfos[bvhB].m_quantization,bvhInfos[bvhB].m_aabbMin);\n" + " float margin=0.f;\n" + " b3Float4 aabbAMinOut,aabbAMaxOut;\n" + " b3TransformAabb2(aMinLocal,aMaxLocal, margin,posA,ornA,&aabbAMinOut,&aabbAMaxOut);\n" + " b3Float4 aabbBMinOut,aabbBMaxOut;\n" + " b3TransformAabb2(bMinLocal,bMaxLocal, margin,posB,ornB,&aabbBMinOut,&aabbBMaxOut);\n" + " \n" + " bool nodeOverlap = b3TestAabbAgainstAabb(aabbAMinOut,aabbAMaxOut,aabbBMinOut,aabbBMaxOut);\n" + " if (nodeOverlap)\n" + " {\n" + " bool isLeafA = isLeafNodeGlobal(&quantizedNodes[node.x]);\n" + " bool isLeafB = isLeafNodeGlobal(&quantizedNodes[node.y]);\n" + " bool isInternalA = !isLeafA;\n" + " bool isInternalB = !isLeafB;\n" + " //fail, even though it might hit two leaf nodes\n" + " if (depth+4>maxStackDepth && !(isLeafA && isLeafB))\n" + " {\n" + " //printf(\"Error: traversal exceeded maxStackDepth\");\n" + " continue;\n" + " }\n" + " if(isInternalA)\n" + " {\n" + " int nodeAleftChild = node.x+1;\n" + " bool isNodeALeftChildLeaf = isLeafNodeGlobal(&quantizedNodes[node.x+1]);\n" + " int nodeArightChild = isNodeALeftChildLeaf? node.x+2 : node.x+1 + getEscapeIndexGlobal(&quantizedNodes[node.x+1]);\n" + " if(isInternalB)\n" + " { \n" + " int nodeBleftChild = node.y+1;\n" + " bool isNodeBLeftChildLeaf = isLeafNodeGlobal(&quantizedNodes[node.y+1]);\n" + " int nodeBrightChild = isNodeBLeftChildLeaf? node.y+2 : node.y+1 + getEscapeIndexGlobal(&quantizedNodes[node.y+1]);\n" + " nodeStack[depth++] = b3MakeInt2(nodeAleftChild, nodeBleftChild);\n" + " nodeStack[depth++] = b3MakeInt2(nodeArightChild, nodeBleftChild);\n" + " nodeStack[depth++] = b3MakeInt2(nodeAleftChild, nodeBrightChild);\n" + " nodeStack[depth++] = b3MakeInt2(nodeArightChild, nodeBrightChild);\n" + " }\n" + " else\n" + " {\n" + " nodeStack[depth++] = b3MakeInt2(nodeAleftChild,node.y);\n" + " nodeStack[depth++] = b3MakeInt2(nodeArightChild,node.y);\n" + " }\n" + " }\n" + " else\n" + " {\n" + " if(isInternalB)\n" + " {\n" + " int nodeBleftChild = node.y+1;\n" + " bool isNodeBLeftChildLeaf = isLeafNodeGlobal(&quantizedNodes[node.y+1]);\n" + " int nodeBrightChild = isNodeBLeftChildLeaf? node.y+2 : node.y+1 + getEscapeIndexGlobal(&quantizedNodes[node.y+1]);\n" + " nodeStack[depth++] = b3MakeInt2(node.x,nodeBleftChild);\n" + " nodeStack[depth++] = b3MakeInt2(node.x,nodeBrightChild);\n" + " }\n" + " else\n" + " {\n" + " int compoundPairIdx = atomic_inc(numCompoundPairsOut);\n" + " if (compoundPairIdx<maxNumCompoundPairsCapacity)\n" + " {\n" + " int childShapeIndexA = getTriangleIndexGlobal(&quantizedNodes[node.x]);\n" + " int childShapeIndexB = getTriangleIndexGlobal(&quantizedNodes[node.y]);\n" + " gpuCompoundPairsOut[compoundPairIdx] = (int4)(bodyIndexA,bodyIndexB,childShapeIndexA,childShapeIndexB);\n" + " }\n" + " }\n" + " }\n" + " }\n" + " } while (depth);\n" + " }\n" + " }\n" + " }\n" + " \n" + " return;\n" + " }\n" + " if ((collidables[collidableIndexA].m_shapeType==SHAPE_COMPOUND_OF_CONVEX_HULLS) ||(collidables[collidableIndexB].m_shapeType==SHAPE_COMPOUND_OF_CONVEX_HULLS))\n" + " {\n" + " if (collidables[collidableIndexA].m_shapeType==SHAPE_COMPOUND_OF_CONVEX_HULLS) \n" + " {\n" + " int numChildrenA = collidables[collidableIndexA].m_numChildShapes;\n" + " for (int c=0;c<numChildrenA;c++)\n" + " {\n" + " int childShapeIndexA = collidables[collidableIndexA].m_shapeIndex+c;\n" + " int childColIndexA = gpuChildShapes[childShapeIndexA].m_shapeIndex;\n" + " float4 posA = rigidBodies[bodyIndexA].m_pos;\n" + " float4 ornA = rigidBodies[bodyIndexA].m_quat;\n" + " float4 childPosA = gpuChildShapes[childShapeIndexA].m_childPosition;\n" + " float4 childOrnA = gpuChildShapes[childShapeIndexA].m_childOrientation;\n" + " float4 newPosA = qtRotate(ornA,childPosA)+posA;\n" + " float4 newOrnA = qtMul(ornA,childOrnA);\n" + " int shapeIndexA = collidables[childColIndexA].m_shapeIndex;\n" + " b3Aabb_t aabbAlocal = aabbLocalSpace[shapeIndexA];\n" + " float margin = 0.f;\n" + " \n" + " b3Float4 aabbAMinWS;\n" + " b3Float4 aabbAMaxWS;\n" + " \n" + " b3TransformAabb2(aabbAlocal.m_minVec,aabbAlocal.m_maxVec,margin,\n" + " newPosA,\n" + " newOrnA,\n" + " &aabbAMinWS,&aabbAMaxWS);\n" + " \n" + " \n" + " if (collidables[collidableIndexB].m_shapeType==SHAPE_COMPOUND_OF_CONVEX_HULLS)\n" + " {\n" + " int numChildrenB = collidables[collidableIndexB].m_numChildShapes;\n" + " for (int b=0;b<numChildrenB;b++)\n" + " {\n" + " int childShapeIndexB = collidables[collidableIndexB].m_shapeIndex+b;\n" + " int childColIndexB = gpuChildShapes[childShapeIndexB].m_shapeIndex;\n" + " float4 ornB = rigidBodies[bodyIndexB].m_quat;\n" + " float4 posB = rigidBodies[bodyIndexB].m_pos;\n" + " float4 childPosB = gpuChildShapes[childShapeIndexB].m_childPosition;\n" + " float4 childOrnB = gpuChildShapes[childShapeIndexB].m_childOrientation;\n" + " float4 newPosB = transform(&childPosB,&posB,&ornB);\n" + " float4 newOrnB = qtMul(ornB,childOrnB);\n" + " int shapeIndexB = collidables[childColIndexB].m_shapeIndex;\n" + " b3Aabb_t aabbBlocal = aabbLocalSpace[shapeIndexB];\n" + " \n" + " b3Float4 aabbBMinWS;\n" + " b3Float4 aabbBMaxWS;\n" + " \n" + " b3TransformAabb2(aabbBlocal.m_minVec,aabbBlocal.m_maxVec,margin,\n" + " newPosB,\n" + " newOrnB,\n" + " &aabbBMinWS,&aabbBMaxWS);\n" + " \n" + " \n" + " \n" + " bool aabbOverlap = b3TestAabbAgainstAabb(aabbAMinWS,aabbAMaxWS,aabbBMinWS,aabbBMaxWS);\n" + " if (aabbOverlap)\n" + " {\n" + " int numFacesA = convexShapes[shapeIndexA].m_numFaces;\n" + " float dmin = FLT_MAX;\n" + " float4 posA = newPosA;\n" + " posA.w = 0.f;\n" + " float4 posB = newPosB;\n" + " posB.w = 0.f;\n" + " float4 c0local = convexShapes[shapeIndexA].m_localCenter;\n" + " float4 ornA = newOrnA;\n" + " float4 c0 = transform(&c0local, &posA, &ornA);\n" + " float4 c1local = convexShapes[shapeIndexB].m_localCenter;\n" + " float4 ornB =newOrnB;\n" + " float4 c1 = transform(&c1local,&posB,&ornB);\n" + " const float4 DeltaC2 = c0 - c1;\n" + " {//\n" + " int compoundPairIdx = atomic_inc(numCompoundPairsOut);\n" + " if (compoundPairIdx<maxNumCompoundPairsCapacity)\n" + " {\n" + " gpuCompoundPairsOut[compoundPairIdx] = (int4)(bodyIndexA,bodyIndexB,childShapeIndexA,childShapeIndexB);\n" + " }\n" + " }//\n" + " }//fi(1)\n" + " } //for (int b=0\n" + " }//if (collidables[collidableIndexB].\n" + " else//if (collidables[collidableIndexB].m_shapeType==SHAPE_COMPOUND_OF_CONVEX_HULLS)\n" + " {\n" + " if (1)\n" + " {\n" + " int numFacesA = convexShapes[shapeIndexA].m_numFaces;\n" + " float dmin = FLT_MAX;\n" + " float4 posA = newPosA;\n" + " posA.w = 0.f;\n" + " float4 posB = rigidBodies[bodyIndexB].m_pos;\n" + " posB.w = 0.f;\n" + " float4 c0local = convexShapes[shapeIndexA].m_localCenter;\n" + " float4 ornA = newOrnA;\n" + " float4 c0 = transform(&c0local, &posA, &ornA);\n" + " float4 c1local = convexShapes[shapeIndexB].m_localCenter;\n" + " float4 ornB = rigidBodies[bodyIndexB].m_quat;\n" + " float4 c1 = transform(&c1local,&posB,&ornB);\n" + " const float4 DeltaC2 = c0 - c1;\n" + " {\n" + " int compoundPairIdx = atomic_inc(numCompoundPairsOut);\n" + " if (compoundPairIdx<maxNumCompoundPairsCapacity)\n" + " {\n" + " gpuCompoundPairsOut[compoundPairIdx] = (int4)(bodyIndexA,bodyIndexB,childShapeIndexA,-1);\n" + " }//if (compoundPairIdx<maxNumCompoundPairsCapacity)\n" + " }//\n" + " }//fi (1)\n" + " }//if (collidables[collidableIndexB].m_shapeType==SHAPE_COMPOUND_OF_CONVEX_HULLS)\n" + " }//for (int b=0;b<numChildrenB;b++) \n" + " return;\n" + " }//if (collidables[collidableIndexB].m_shapeType==SHAPE_COMPOUND_OF_CONVEX_HULLS)\n" + " if ((collidables[collidableIndexA].m_shapeType!=SHAPE_CONCAVE_TRIMESH) \n" + " && (collidables[collidableIndexB].m_shapeType==SHAPE_COMPOUND_OF_CONVEX_HULLS))\n" + " {\n" + " int numChildrenB = collidables[collidableIndexB].m_numChildShapes;\n" + " for (int b=0;b<numChildrenB;b++)\n" + " {\n" + " int childShapeIndexB = collidables[collidableIndexB].m_shapeIndex+b;\n" + " int childColIndexB = gpuChildShapes[childShapeIndexB].m_shapeIndex;\n" + " float4 ornB = rigidBodies[bodyIndexB].m_quat;\n" + " float4 posB = rigidBodies[bodyIndexB].m_pos;\n" + " float4 childPosB = gpuChildShapes[childShapeIndexB].m_childPosition;\n" + " float4 childOrnB = gpuChildShapes[childShapeIndexB].m_childOrientation;\n" + " float4 newPosB = qtRotate(ornB,childPosB)+posB;\n" + " float4 newOrnB = qtMul(ornB,childOrnB);\n" + " int shapeIndexB = collidables[childColIndexB].m_shapeIndex;\n" + " //////////////////////////////////////\n" + " if (1)\n" + " {\n" + " int numFacesA = convexShapes[shapeIndexA].m_numFaces;\n" + " float dmin = FLT_MAX;\n" + " float4 posA = rigidBodies[bodyIndexA].m_pos;\n" + " posA.w = 0.f;\n" + " float4 posB = newPosB;\n" + " posB.w = 0.f;\n" + " float4 c0local = convexShapes[shapeIndexA].m_localCenter;\n" + " float4 ornA = rigidBodies[bodyIndexA].m_quat;\n" + " float4 c0 = transform(&c0local, &posA, &ornA);\n" + " float4 c1local = convexShapes[shapeIndexB].m_localCenter;\n" + " float4 ornB =newOrnB;\n" + " float4 c1 = transform(&c1local,&posB,&ornB);\n" + " const float4 DeltaC2 = c0 - c1;\n" + " {//\n" + " int compoundPairIdx = atomic_inc(numCompoundPairsOut);\n" + " if (compoundPairIdx<maxNumCompoundPairsCapacity)\n" + " {\n" + " gpuCompoundPairsOut[compoundPairIdx] = (int4)(bodyIndexA,bodyIndexB,-1,childShapeIndexB);\n" + " }//fi (compoundPairIdx<maxNumCompoundPairsCapacity)\n" + " }//\n" + " }//fi (1) \n" + " }//for (int b=0;b<numChildrenB;b++)\n" + " return;\n" + " }//if (collidables[collidableIndexB].m_shapeType==SHAPE_COMPOUND_OF_CONVEX_HULLS)\n" + " return;\n" + " }//fi ((collidables[collidableIndexA].m_shapeType==SHAPE_COMPOUND_OF_CONVEX_HULLS) ||(collidables[collidableIndexB].m_shapeType==SHAPE_COMPOUND_OF_CONVEX_HULLS))\n" + " }//i<numPairs\n" + "}\n" + "// work-in-progress\n" + "__kernel void findSeparatingAxisKernel( __global const int4* pairs, \n" + " __global const BodyData* rigidBodies, \n" + " __global const btCollidableGpu* collidables,\n" + " __global const ConvexPolyhedronCL* convexShapes, \n" + " __global const float4* vertices,\n" + " __global const float4* uniqueEdges,\n" + " __global const btGpuFace* faces,\n" + " __global const int* indices,\n" + " __global btAabbCL* aabbs,\n" + " __global volatile float4* separatingNormals,\n" + " __global volatile int* hasSeparatingAxis,\n" + " int numPairs\n" + " )\n" + "{\n" + " int i = get_global_id(0);\n" + " \n" + " if (i<numPairs)\n" + " {\n" + " \n" + " int bodyIndexA = pairs[i].x;\n" + " int bodyIndexB = pairs[i].y;\n" + " int collidableIndexA = rigidBodies[bodyIndexA].m_collidableIdx;\n" + " int collidableIndexB = rigidBodies[bodyIndexB].m_collidableIdx;\n" + " \n" + " int shapeIndexA = collidables[collidableIndexA].m_shapeIndex;\n" + " int shapeIndexB = collidables[collidableIndexB].m_shapeIndex;\n" + " \n" + " \n" + " //once the broadphase avoids static-static pairs, we can remove this test\n" + " if ((rigidBodies[bodyIndexA].m_invMass==0) &&(rigidBodies[bodyIndexB].m_invMass==0))\n" + " {\n" + " hasSeparatingAxis[i] = 0;\n" + " return;\n" + " }\n" + " \n" + " if ((collidables[collidableIndexA].m_shapeType!=SHAPE_CONVEX_HULL) ||(collidables[collidableIndexB].m_shapeType!=SHAPE_CONVEX_HULL))\n" + " {\n" + " hasSeparatingAxis[i] = 0;\n" + " return;\n" + " }\n" + " \n" + " if ((collidables[collidableIndexA].m_shapeType==SHAPE_CONCAVE_TRIMESH))\n" + " {\n" + " hasSeparatingAxis[i] = 0;\n" + " return;\n" + " }\n" + " int numFacesA = convexShapes[shapeIndexA].m_numFaces;\n" + " float dmin = FLT_MAX;\n" + " float4 posA = rigidBodies[bodyIndexA].m_pos;\n" + " posA.w = 0.f;\n" + " float4 posB = rigidBodies[bodyIndexB].m_pos;\n" + " posB.w = 0.f;\n" + " float4 c0local = convexShapes[shapeIndexA].m_localCenter;\n" + " float4 ornA = rigidBodies[bodyIndexA].m_quat;\n" + " float4 c0 = transform(&c0local, &posA, &ornA);\n" + " float4 c1local = convexShapes[shapeIndexB].m_localCenter;\n" + " float4 ornB =rigidBodies[bodyIndexB].m_quat;\n" + " float4 c1 = transform(&c1local,&posB,&ornB);\n" + " const float4 DeltaC2 = c0 - c1;\n" + " float4 sepNormal;\n" + " \n" + " bool sepA = findSeparatingAxis( &convexShapes[shapeIndexA], &convexShapes[shapeIndexB],posA,ornA,\n" + " posB,ornB,\n" + " DeltaC2,\n" + " vertices,uniqueEdges,faces,\n" + " indices,&sepNormal,&dmin);\n" + " hasSeparatingAxis[i] = 4;\n" + " if (!sepA)\n" + " {\n" + " hasSeparatingAxis[i] = 0;\n" + " } else\n" + " {\n" + " bool sepB = findSeparatingAxis( &convexShapes[shapeIndexB],&convexShapes[shapeIndexA],posB,ornB,\n" + " posA,ornA,\n" + " DeltaC2,\n" + " vertices,uniqueEdges,faces,\n" + " indices,&sepNormal,&dmin);\n" + " if (!sepB)\n" + " {\n" + " hasSeparatingAxis[i] = 0;\n" + " } else\n" + " {\n" + " bool sepEE = findSeparatingAxisEdgeEdge( &convexShapes[shapeIndexA], &convexShapes[shapeIndexB],posA,ornA,\n" + " posB,ornB,\n" + " DeltaC2,\n" + " vertices,uniqueEdges,faces,\n" + " indices,&sepNormal,&dmin);\n" + " if (!sepEE)\n" + " {\n" + " hasSeparatingAxis[i] = 0;\n" + " } else\n" + " {\n" + " hasSeparatingAxis[i] = 1;\n" + " separatingNormals[i] = sepNormal;\n" + " }\n" + " }\n" + " }\n" + " \n" + " }\n" + "}\n" + "__kernel void findSeparatingAxisVertexFaceKernel( __global const int4* pairs, \n" + " __global const BodyData* rigidBodies, \n" + " __global const btCollidableGpu* collidables,\n" + " __global const ConvexPolyhedronCL* convexShapes, \n" + " __global const float4* vertices,\n" + " __global const float4* uniqueEdges,\n" + " __global const btGpuFace* faces,\n" + " __global const int* indices,\n" + " __global btAabbCL* aabbs,\n" + " __global volatile float4* separatingNormals,\n" + " __global volatile int* hasSeparatingAxis,\n" + " __global float* dmins,\n" + " int numPairs\n" + " )\n" + "{\n" + " int i = get_global_id(0);\n" + " \n" + " if (i<numPairs)\n" + " {\n" + " \n" + " int bodyIndexA = pairs[i].x;\n" + " int bodyIndexB = pairs[i].y;\n" + " int collidableIndexA = rigidBodies[bodyIndexA].m_collidableIdx;\n" + " int collidableIndexB = rigidBodies[bodyIndexB].m_collidableIdx;\n" + " \n" + " int shapeIndexA = collidables[collidableIndexA].m_shapeIndex;\n" + " int shapeIndexB = collidables[collidableIndexB].m_shapeIndex;\n" + " \n" + " hasSeparatingAxis[i] = 0; \n" + " \n" + " //once the broadphase avoids static-static pairs, we can remove this test\n" + " if ((rigidBodies[bodyIndexA].m_invMass==0) &&(rigidBodies[bodyIndexB].m_invMass==0))\n" + " {\n" + " return;\n" + " }\n" + " \n" + " if ((collidables[collidableIndexA].m_shapeType!=SHAPE_CONVEX_HULL) ||(collidables[collidableIndexB].m_shapeType!=SHAPE_CONVEX_HULL))\n" + " {\n" + " return;\n" + " }\n" + " \n" + " int numFacesA = convexShapes[shapeIndexA].m_numFaces;\n" + " float dmin = FLT_MAX;\n" + " dmins[i] = dmin;\n" + " \n" + " float4 posA = rigidBodies[bodyIndexA].m_pos;\n" + " posA.w = 0.f;\n" + " float4 posB = rigidBodies[bodyIndexB].m_pos;\n" + " posB.w = 0.f;\n" + " float4 c0local = convexShapes[shapeIndexA].m_localCenter;\n" + " float4 ornA = rigidBodies[bodyIndexA].m_quat;\n" + " float4 c0 = transform(&c0local, &posA, &ornA);\n" + " float4 c1local = convexShapes[shapeIndexB].m_localCenter;\n" + " float4 ornB =rigidBodies[bodyIndexB].m_quat;\n" + " float4 c1 = transform(&c1local,&posB,&ornB);\n" + " const float4 DeltaC2 = c0 - c1;\n" + " float4 sepNormal;\n" + " \n" + " bool sepA = findSeparatingAxis( &convexShapes[shapeIndexA], &convexShapes[shapeIndexB],posA,ornA,\n" + " posB,ornB,\n" + " DeltaC2,\n" + " vertices,uniqueEdges,faces,\n" + " indices,&sepNormal,&dmin);\n" + " hasSeparatingAxis[i] = 4;\n" + " if (!sepA)\n" + " {\n" + " hasSeparatingAxis[i] = 0;\n" + " } else\n" + " {\n" + " bool sepB = findSeparatingAxis( &convexShapes[shapeIndexB],&convexShapes[shapeIndexA],posB,ornB,\n" + " posA,ornA,\n" + " DeltaC2,\n" + " vertices,uniqueEdges,faces,\n" + " indices,&sepNormal,&dmin);\n" + " if (sepB)\n" + " {\n" + " dmins[i] = dmin;\n" + " hasSeparatingAxis[i] = 1;\n" + " separatingNormals[i] = sepNormal;\n" + " }\n" + " }\n" + " \n" + " }\n" + "}\n" + "__kernel void findSeparatingAxisEdgeEdgeKernel( __global const int4* pairs, \n" + " __global const BodyData* rigidBodies, \n" + " __global const btCollidableGpu* collidables,\n" + " __global const ConvexPolyhedronCL* convexShapes, \n" + " __global const float4* vertices,\n" + " __global const float4* uniqueEdges,\n" + " __global const btGpuFace* faces,\n" + " __global const int* indices,\n" + " __global btAabbCL* aabbs,\n" + " __global float4* separatingNormals,\n" + " __global int* hasSeparatingAxis,\n" + " __global float* dmins,\n" + " __global const float4* unitSphereDirections,\n" + " int numUnitSphereDirections,\n" + " int numPairs\n" + " )\n" + "{\n" + " int i = get_global_id(0);\n" + " \n" + " if (i<numPairs)\n" + " {\n" + " if (hasSeparatingAxis[i])\n" + " {\n" + " \n" + " int bodyIndexA = pairs[i].x;\n" + " int bodyIndexB = pairs[i].y;\n" + " \n" + " int collidableIndexA = rigidBodies[bodyIndexA].m_collidableIdx;\n" + " int collidableIndexB = rigidBodies[bodyIndexB].m_collidableIdx;\n" + " \n" + " int shapeIndexA = collidables[collidableIndexA].m_shapeIndex;\n" + " int shapeIndexB = collidables[collidableIndexB].m_shapeIndex;\n" + " \n" + " \n" + " int numFacesA = convexShapes[shapeIndexA].m_numFaces;\n" + " \n" + " float dmin = dmins[i];\n" + " \n" + " float4 posA = rigidBodies[bodyIndexA].m_pos;\n" + " posA.w = 0.f;\n" + " float4 posB = rigidBodies[bodyIndexB].m_pos;\n" + " posB.w = 0.f;\n" + " float4 c0local = convexShapes[shapeIndexA].m_localCenter;\n" + " float4 ornA = rigidBodies[bodyIndexA].m_quat;\n" + " float4 c0 = transform(&c0local, &posA, &ornA);\n" + " float4 c1local = convexShapes[shapeIndexB].m_localCenter;\n" + " float4 ornB =rigidBodies[bodyIndexB].m_quat;\n" + " float4 c1 = transform(&c1local,&posB,&ornB);\n" + " const float4 DeltaC2 = c0 - c1;\n" + " float4 sepNormal = separatingNormals[i];\n" + " \n" + " \n" + " \n" + " bool sepEE = false;\n" + " int numEdgeEdgeDirections = convexShapes[shapeIndexA].m_numUniqueEdges*convexShapes[shapeIndexB].m_numUniqueEdges;\n" + " if (numEdgeEdgeDirections<=numUnitSphereDirections)\n" + " {\n" + " sepEE = findSeparatingAxisEdgeEdge( &convexShapes[shapeIndexA], &convexShapes[shapeIndexB],posA,ornA,\n" + " posB,ornB,\n" + " DeltaC2,\n" + " vertices,uniqueEdges,faces,\n" + " indices,&sepNormal,&dmin);\n" + " \n" + " if (!sepEE)\n" + " {\n" + " hasSeparatingAxis[i] = 0;\n" + " } else\n" + " {\n" + " hasSeparatingAxis[i] = 1;\n" + " separatingNormals[i] = sepNormal;\n" + " }\n" + " }\n" + " /*\n" + " ///else case is a separate kernel, to make Mac OSX OpenCL compiler happy\n" + " else\n" + " {\n" + " sepEE = findSeparatingAxisUnitSphere(&convexShapes[shapeIndexA], &convexShapes[shapeIndexB],posA,ornA,\n" + " posB,ornB,\n" + " DeltaC2,\n" + " vertices,unitSphereDirections,numUnitSphereDirections,\n" + " &sepNormal,&dmin);\n" + " if (!sepEE)\n" + " {\n" + " hasSeparatingAxis[i] = 0;\n" + " } else\n" + " {\n" + " hasSeparatingAxis[i] = 1;\n" + " separatingNormals[i] = sepNormal;\n" + " }\n" + " }\n" + " */\n" + " } //if (hasSeparatingAxis[i])\n" + " }//(i<numPairs)\n" + "}\n" + "inline int findClippingFaces(const float4 separatingNormal,\n" + " const ConvexPolyhedronCL* hullA, \n" + " __global const ConvexPolyhedronCL* hullB,\n" + " const float4 posA, const Quaternion ornA,const float4 posB, const Quaternion ornB,\n" + " __global float4* worldVertsA1,\n" + " __global float4* worldNormalsA1,\n" + " __global float4* worldVertsB1,\n" + " int capacityWorldVerts,\n" + " const float minDist, float maxDist,\n" + " const float4* verticesA,\n" + " const btGpuFace* facesA,\n" + " const int* indicesA,\n" + " __global const float4* verticesB,\n" + " __global const btGpuFace* facesB,\n" + " __global const int* indicesB,\n" + " __global int4* clippingFaces, int pairIndex)\n" + "{\n" + " int numContactsOut = 0;\n" + " int numWorldVertsB1= 0;\n" + " \n" + " \n" + " int closestFaceB=0;\n" + " float dmax = -FLT_MAX;\n" + " \n" + " {\n" + " for(int face=0;face<hullB->m_numFaces;face++)\n" + " {\n" + " const float4 Normal = make_float4(facesB[hullB->m_faceOffset+face].m_plane.x,\n" + " facesB[hullB->m_faceOffset+face].m_plane.y, facesB[hullB->m_faceOffset+face].m_plane.z,0.f);\n" + " const float4 WorldNormal = qtRotate(ornB, Normal);\n" + " float d = dot3F4(WorldNormal,separatingNormal);\n" + " if (d > dmax)\n" + " {\n" + " dmax = d;\n" + " closestFaceB = face;\n" + " }\n" + " }\n" + " }\n" + " \n" + " {\n" + " const btGpuFace polyB = facesB[hullB->m_faceOffset+closestFaceB];\n" + " int numVertices = polyB.m_numIndices;\n" + " if (numVertices>capacityWorldVerts)\n" + " numVertices = capacityWorldVerts;\n" + " \n" + " for(int e0=0;e0<numVertices;e0++)\n" + " {\n" + " if (e0<capacityWorldVerts)\n" + " {\n" + " const float4 b = verticesB[hullB->m_vertexOffset+indicesB[polyB.m_indexOffset+e0]];\n" + " worldVertsB1[pairIndex*capacityWorldVerts+numWorldVertsB1++] = transform(&b,&posB,&ornB);\n" + " }\n" + " }\n" + " }\n" + " \n" + " int closestFaceA=0;\n" + " {\n" + " float dmin = FLT_MAX;\n" + " for(int face=0;face<hullA->m_numFaces;face++)\n" + " {\n" + " const float4 Normal = make_float4(\n" + " facesA[hullA->m_faceOffset+face].m_plane.x,\n" + " facesA[hullA->m_faceOffset+face].m_plane.y,\n" + " facesA[hullA->m_faceOffset+face].m_plane.z,\n" + " 0.f);\n" + " const float4 faceANormalWS = qtRotate(ornA,Normal);\n" + " \n" + " float d = dot3F4(faceANormalWS,separatingNormal);\n" + " if (d < dmin)\n" + " {\n" + " dmin = d;\n" + " closestFaceA = face;\n" + " worldNormalsA1[pairIndex] = faceANormalWS;\n" + " }\n" + " }\n" + " }\n" + " \n" + " int numVerticesA = facesA[hullA->m_faceOffset+closestFaceA].m_numIndices;\n" + " if (numVerticesA>capacityWorldVerts)\n" + " numVerticesA = capacityWorldVerts;\n" + " \n" + " for(int e0=0;e0<numVerticesA;e0++)\n" + " {\n" + " if (e0<capacityWorldVerts)\n" + " {\n" + " const float4 a = verticesA[hullA->m_vertexOffset+indicesA[facesA[hullA->m_faceOffset+closestFaceA].m_indexOffset+e0]];\n" + " worldVertsA1[pairIndex*capacityWorldVerts+e0] = transform(&a, &posA,&ornA);\n" + " }\n" + " }\n" + " \n" + " clippingFaces[pairIndex].x = closestFaceA;\n" + " clippingFaces[pairIndex].y = closestFaceB;\n" + " clippingFaces[pairIndex].z = numVerticesA;\n" + " clippingFaces[pairIndex].w = numWorldVertsB1;\n" + " \n" + " \n" + " return numContactsOut;\n" + "}\n" + "// work-in-progress\n" + "__kernel void findConcaveSeparatingAxisKernel( __global int4* concavePairs,\n" + " __global const BodyData* rigidBodies,\n" + " __global const btCollidableGpu* collidables,\n" + " __global const ConvexPolyhedronCL* convexShapes, \n" + " __global const float4* vertices,\n" + " __global const float4* uniqueEdges,\n" + " __global const btGpuFace* faces,\n" + " __global const int* indices,\n" + " __global const btGpuChildShape* gpuChildShapes,\n" + " __global btAabbCL* aabbs,\n" + " __global float4* concaveSeparatingNormalsOut,\n" + " __global int* concaveHasSeparatingNormals,\n" + " __global int4* clippingFacesOut,\n" + " __global float4* worldVertsA1GPU,\n" + " __global float4* worldNormalsAGPU,\n" + " __global float4* worldVertsB1GPU,\n" + " int vertexFaceCapacity,\n" + " int numConcavePairs\n" + " )\n" + "{\n" + " int i = get_global_id(0);\n" + " if (i>=numConcavePairs)\n" + " return;\n" + " concaveHasSeparatingNormals[i] = 0;\n" + " int pairIdx = i;\n" + " int bodyIndexA = concavePairs[i].x;\n" + " int bodyIndexB = concavePairs[i].y;\n" + " int collidableIndexA = rigidBodies[bodyIndexA].m_collidableIdx;\n" + " int collidableIndexB = rigidBodies[bodyIndexB].m_collidableIdx;\n" + " int shapeIndexA = collidables[collidableIndexA].m_shapeIndex;\n" + " int shapeIndexB = collidables[collidableIndexB].m_shapeIndex;\n" + " if (collidables[collidableIndexB].m_shapeType!=SHAPE_CONVEX_HULL&&\n" + " collidables[collidableIndexB].m_shapeType!=SHAPE_COMPOUND_OF_CONVEX_HULLS)\n" + " {\n" + " concavePairs[pairIdx].w = -1;\n" + " return;\n" + " }\n" + " int numFacesA = convexShapes[shapeIndexA].m_numFaces;\n" + " int numActualConcaveConvexTests = 0;\n" + " \n" + " int f = concavePairs[i].z;\n" + " \n" + " bool overlap = false;\n" + " \n" + " ConvexPolyhedronCL convexPolyhedronA;\n" + " //add 3 vertices of the triangle\n" + " convexPolyhedronA.m_numVertices = 3;\n" + " convexPolyhedronA.m_vertexOffset = 0;\n" + " float4 localCenter = make_float4(0.f,0.f,0.f,0.f);\n" + " btGpuFace face = faces[convexShapes[shapeIndexA].m_faceOffset+f];\n" + " float4 triMinAabb, triMaxAabb;\n" + " btAabbCL triAabb;\n" + " triAabb.m_min = make_float4(1e30f,1e30f,1e30f,0.f);\n" + " triAabb.m_max = make_float4(-1e30f,-1e30f,-1e30f,0.f);\n" + " \n" + " float4 verticesA[3];\n" + " for (int i=0;i<3;i++)\n" + " {\n" + " int index = indices[face.m_indexOffset+i];\n" + " float4 vert = vertices[convexShapes[shapeIndexA].m_vertexOffset+index];\n" + " verticesA[i] = vert;\n" + " localCenter += vert;\n" + " \n" + " triAabb.m_min = min(triAabb.m_min,vert); \n" + " triAabb.m_max = max(triAabb.m_max,vert); \n" + " }\n" + " overlap = true;\n" + " overlap = (triAabb.m_min.x > aabbs[bodyIndexB].m_max.x || triAabb.m_max.x < aabbs[bodyIndexB].m_min.x) ? false : overlap;\n" + " overlap = (triAabb.m_min.z > aabbs[bodyIndexB].m_max.z || triAabb.m_max.z < aabbs[bodyIndexB].m_min.z) ? false : overlap;\n" + " overlap = (triAabb.m_min.y > aabbs[bodyIndexB].m_max.y || triAabb.m_max.y < aabbs[bodyIndexB].m_min.y) ? false : overlap;\n" + " \n" + " if (overlap)\n" + " {\n" + " float dmin = FLT_MAX;\n" + " int hasSeparatingAxis=5;\n" + " float4 sepAxis=make_float4(1,2,3,4);\n" + " int localCC=0;\n" + " numActualConcaveConvexTests++;\n" + " //a triangle has 3 unique edges\n" + " convexPolyhedronA.m_numUniqueEdges = 3;\n" + " convexPolyhedronA.m_uniqueEdgesOffset = 0;\n" + " float4 uniqueEdgesA[3];\n" + " \n" + " uniqueEdgesA[0] = (verticesA[1]-verticesA[0]);\n" + " uniqueEdgesA[1] = (verticesA[2]-verticesA[1]);\n" + " uniqueEdgesA[2] = (verticesA[0]-verticesA[2]);\n" + " convexPolyhedronA.m_faceOffset = 0;\n" + " \n" + " float4 normal = make_float4(face.m_plane.x,face.m_plane.y,face.m_plane.z,0.f);\n" + " \n" + " btGpuFace facesA[TRIANGLE_NUM_CONVEX_FACES];\n" + " int indicesA[3+3+2+2+2];\n" + " int curUsedIndices=0;\n" + " int fidx=0;\n" + " //front size of triangle\n" + " {\n" + " facesA[fidx].m_indexOffset=curUsedIndices;\n" + " indicesA[0] = 0;\n" + " indicesA[1] = 1;\n" + " indicesA[2] = 2;\n" + " curUsedIndices+=3;\n" + " float c = face.m_plane.w;\n" + " facesA[fidx].m_plane.x = normal.x;\n" + " facesA[fidx].m_plane.y = normal.y;\n" + " facesA[fidx].m_plane.z = normal.z;\n" + " facesA[fidx].m_plane.w = c;\n" + " facesA[fidx].m_numIndices=3;\n" + " }\n" + " fidx++;\n" + " //back size of triangle\n" + " {\n" + " facesA[fidx].m_indexOffset=curUsedIndices;\n" + " indicesA[3]=2;\n" + " indicesA[4]=1;\n" + " indicesA[5]=0;\n" + " curUsedIndices+=3;\n" + " float c = dot(normal,verticesA[0]);\n" + " float c1 = -face.m_plane.w;\n" + " facesA[fidx].m_plane.x = -normal.x;\n" + " facesA[fidx].m_plane.y = -normal.y;\n" + " facesA[fidx].m_plane.z = -normal.z;\n" + " facesA[fidx].m_plane.w = c;\n" + " facesA[fidx].m_numIndices=3;\n" + " }\n" + " fidx++;\n" + " bool addEdgePlanes = true;\n" + " if (addEdgePlanes)\n" + " {\n" + " int numVertices=3;\n" + " int prevVertex = numVertices-1;\n" + " for (int i=0;i<numVertices;i++)\n" + " {\n" + " float4 v0 = verticesA[i];\n" + " float4 v1 = verticesA[prevVertex];\n" + " \n" + " float4 edgeNormal = normalize(cross(normal,v1-v0));\n" + " float c = -dot(edgeNormal,v0);\n" + " facesA[fidx].m_numIndices = 2;\n" + " facesA[fidx].m_indexOffset=curUsedIndices;\n" + " indicesA[curUsedIndices++]=i;\n" + " indicesA[curUsedIndices++]=prevVertex;\n" + " \n" + " facesA[fidx].m_plane.x = edgeNormal.x;\n" + " facesA[fidx].m_plane.y = edgeNormal.y;\n" + " facesA[fidx].m_plane.z = edgeNormal.z;\n" + " facesA[fidx].m_plane.w = c;\n" + " fidx++;\n" + " prevVertex = i;\n" + " }\n" + " }\n" + " convexPolyhedronA.m_numFaces = TRIANGLE_NUM_CONVEX_FACES;\n" + " convexPolyhedronA.m_localCenter = localCenter*(1.f/3.f);\n" + " float4 posA = rigidBodies[bodyIndexA].m_pos;\n" + " posA.w = 0.f;\n" + " float4 posB = rigidBodies[bodyIndexB].m_pos;\n" + " posB.w = 0.f;\n" + " float4 ornA = rigidBodies[bodyIndexA].m_quat;\n" + " float4 ornB =rigidBodies[bodyIndexB].m_quat;\n" + " \n" + " ///////////////////\n" + " ///compound shape support\n" + " if (collidables[collidableIndexB].m_shapeType==SHAPE_COMPOUND_OF_CONVEX_HULLS)\n" + " {\n" + " int compoundChild = concavePairs[pairIdx].w;\n" + " int childShapeIndexB = compoundChild;//collidables[collidableIndexB].m_shapeIndex+compoundChild;\n" + " int childColIndexB = gpuChildShapes[childShapeIndexB].m_shapeIndex;\n" + " float4 childPosB = gpuChildShapes[childShapeIndexB].m_childPosition;\n" + " float4 childOrnB = gpuChildShapes[childShapeIndexB].m_childOrientation;\n" + " float4 newPosB = transform(&childPosB,&posB,&ornB);\n" + " float4 newOrnB = qtMul(ornB,childOrnB);\n" + " posB = newPosB;\n" + " ornB = newOrnB;\n" + " shapeIndexB = collidables[childColIndexB].m_shapeIndex;\n" + " }\n" + " //////////////////\n" + " float4 c0local = convexPolyhedronA.m_localCenter;\n" + " float4 c0 = transform(&c0local, &posA, &ornA);\n" + " float4 c1local = convexShapes[shapeIndexB].m_localCenter;\n" + " float4 c1 = transform(&c1local,&posB,&ornB);\n" + " const float4 DeltaC2 = c0 - c1;\n" + " bool sepA = findSeparatingAxisLocalA( &convexPolyhedronA, &convexShapes[shapeIndexB],\n" + " posA,ornA,\n" + " posB,ornB,\n" + " DeltaC2,\n" + " verticesA,uniqueEdgesA,facesA,indicesA,\n" + " vertices,uniqueEdges,faces,indices,\n" + " &sepAxis,&dmin);\n" + " hasSeparatingAxis = 4;\n" + " if (!sepA)\n" + " {\n" + " hasSeparatingAxis = 0;\n" + " } else\n" + " {\n" + " bool sepB = findSeparatingAxisLocalB( &convexShapes[shapeIndexB],&convexPolyhedronA,\n" + " posB,ornB,\n" + " posA,ornA,\n" + " DeltaC2,\n" + " vertices,uniqueEdges,faces,indices,\n" + " verticesA,uniqueEdgesA,facesA,indicesA,\n" + " &sepAxis,&dmin);\n" + " if (!sepB)\n" + " {\n" + " hasSeparatingAxis = 0;\n" + " } else\n" + " {\n" + " bool sepEE = findSeparatingAxisEdgeEdgeLocalA( &convexPolyhedronA, &convexShapes[shapeIndexB],\n" + " posA,ornA,\n" + " posB,ornB,\n" + " DeltaC2,\n" + " verticesA,uniqueEdgesA,facesA,indicesA,\n" + " vertices,uniqueEdges,faces,indices,\n" + " &sepAxis,&dmin);\n" + " \n" + " if (!sepEE)\n" + " {\n" + " hasSeparatingAxis = 0;\n" + " } else\n" + " {\n" + " hasSeparatingAxis = 1;\n" + " }\n" + " }\n" + " } \n" + " \n" + " if (hasSeparatingAxis)\n" + " {\n" + " sepAxis.w = dmin;\n" + " concaveSeparatingNormalsOut[pairIdx]=sepAxis;\n" + " concaveHasSeparatingNormals[i]=1;\n" + " float minDist = -1e30f;\n" + " float maxDist = 0.02f;\n" + " \n" + " findClippingFaces(sepAxis,\n" + " &convexPolyhedronA,\n" + " &convexShapes[shapeIndexB],\n" + " posA,ornA,\n" + " posB,ornB,\n" + " worldVertsA1GPU,\n" + " worldNormalsAGPU,\n" + " worldVertsB1GPU,\n" + " vertexFaceCapacity,\n" + " minDist, maxDist,\n" + " verticesA,\n" + " facesA,\n" + " indicesA,\n" + " vertices,\n" + " faces,\n" + " indices,\n" + " clippingFacesOut, pairIdx);\n" + " } else\n" + " { \n" + " //mark this pair as in-active\n" + " concavePairs[pairIdx].w = -1;\n" + " }\n" + " }\n" + " else\n" + " { \n" + " //mark this pair as in-active\n" + " concavePairs[pairIdx].w = -1;\n" + " }\n" + " \n" + " concavePairs[pairIdx].z = -1;//now z is used for existing/persistent contacts\n" + "}\n"; |