diff options
Diffstat (limited to 'thirdparty/bullet/Bullet3OpenCL/NarrowphaseCollision/kernels/bvhTraversal.h')
-rw-r--r-- | thirdparty/bullet/Bullet3OpenCL/NarrowphaseCollision/kernels/bvhTraversal.h | 257 |
1 files changed, 0 insertions, 257 deletions
diff --git a/thirdparty/bullet/Bullet3OpenCL/NarrowphaseCollision/kernels/bvhTraversal.h b/thirdparty/bullet/Bullet3OpenCL/NarrowphaseCollision/kernels/bvhTraversal.h deleted file mode 100644 index f1df8a6970..0000000000 --- a/thirdparty/bullet/Bullet3OpenCL/NarrowphaseCollision/kernels/bvhTraversal.h +++ /dev/null @@ -1,257 +0,0 @@ -//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"; |