diff options
Diffstat (limited to 'thirdparty/bullet/Bullet3OpenCL/BroadphaseCollision/kernels/gridBroadphaseKernels.h')
-rw-r--r-- | thirdparty/bullet/Bullet3OpenCL/BroadphaseCollision/kernels/gridBroadphaseKernels.h | 198 |
1 files changed, 0 insertions, 198 deletions
diff --git a/thirdparty/bullet/Bullet3OpenCL/BroadphaseCollision/kernels/gridBroadphaseKernels.h b/thirdparty/bullet/Bullet3OpenCL/BroadphaseCollision/kernels/gridBroadphaseKernels.h deleted file mode 100644 index 0185417786..0000000000 --- a/thirdparty/bullet/Bullet3OpenCL/BroadphaseCollision/kernels/gridBroadphaseKernels.h +++ /dev/null @@ -1,198 +0,0 @@ -//this file is autogenerated using stringify.bat (premake --stringify) in the build folder of this project -static const char* gridBroadphaseCL = - "int getPosHash(int4 gridPos, __global float4* pParams)\n" - "{\n" - " int4 gridDim = *((__global int4*)(pParams + 1));\n" - " gridPos.x &= gridDim.x - 1;\n" - " gridPos.y &= gridDim.y - 1;\n" - " gridPos.z &= gridDim.z - 1;\n" - " int hash = gridPos.z * gridDim.y * gridDim.x + gridPos.y * gridDim.x + gridPos.x;\n" - " return hash;\n" - "} \n" - "int4 getGridPos(float4 worldPos, __global float4* pParams)\n" - "{\n" - " int4 gridPos;\n" - " int4 gridDim = *((__global int4*)(pParams + 1));\n" - " gridPos.x = (int)floor(worldPos.x * pParams[0].x) & (gridDim.x - 1);\n" - " gridPos.y = (int)floor(worldPos.y * pParams[0].y) & (gridDim.y - 1);\n" - " gridPos.z = (int)floor(worldPos.z * pParams[0].z) & (gridDim.z - 1);\n" - " return gridPos;\n" - "}\n" - "// calculate grid hash value for each body using its AABB\n" - "__kernel void kCalcHashAABB(int numObjects, __global float4* allpAABB, __global const int* smallAabbMapping, __global int2* pHash, __global float4* pParams )\n" - "{\n" - " int index = get_global_id(0);\n" - " if(index >= numObjects)\n" - " {\n" - " return;\n" - " }\n" - " float4 bbMin = allpAABB[smallAabbMapping[index]*2];\n" - " float4 bbMax = allpAABB[smallAabbMapping[index]*2 + 1];\n" - " float4 pos;\n" - " pos.x = (bbMin.x + bbMax.x) * 0.5f;\n" - " pos.y = (bbMin.y + bbMax.y) * 0.5f;\n" - " pos.z = (bbMin.z + bbMax.z) * 0.5f;\n" - " pos.w = 0.f;\n" - " // get address in grid\n" - " int4 gridPos = getGridPos(pos, pParams);\n" - " int gridHash = getPosHash(gridPos, pParams);\n" - " // store grid hash and body index\n" - " int2 hashVal;\n" - " hashVal.x = gridHash;\n" - " hashVal.y = index;\n" - " pHash[index] = hashVal;\n" - "}\n" - "__kernel void kClearCellStart( int numCells, \n" - " __global int* pCellStart )\n" - "{\n" - " int index = get_global_id(0);\n" - " if(index >= numCells)\n" - " {\n" - " return;\n" - " }\n" - " pCellStart[index] = -1;\n" - "}\n" - "__kernel void kFindCellStart(int numObjects, __global int2* pHash, __global int* cellStart )\n" - "{\n" - " __local int sharedHash[513];\n" - " int index = get_global_id(0);\n" - " int2 sortedData;\n" - " if(index < numObjects)\n" - " {\n" - " sortedData = pHash[index];\n" - " // Load hash data into shared memory so that we can look \n" - " // at neighboring body's hash value without loading\n" - " // two hash values per thread\n" - " sharedHash[get_local_id(0) + 1] = sortedData.x;\n" - " if((index > 0) && (get_local_id(0) == 0))\n" - " {\n" - " // first thread in block must load neighbor body hash\n" - " sharedHash[0] = pHash[index-1].x;\n" - " }\n" - " }\n" - " barrier(CLK_LOCAL_MEM_FENCE);\n" - " if(index < numObjects)\n" - " {\n" - " if((index == 0) || (sortedData.x != sharedHash[get_local_id(0)]))\n" - " {\n" - " cellStart[sortedData.x] = index;\n" - " }\n" - " }\n" - "}\n" - "int testAABBOverlap(float4 min0, float4 max0, float4 min1, float4 max1)\n" - "{\n" - " return (min0.x <= max1.x)&& (min1.x <= max0.x) && \n" - " (min0.y <= max1.y)&& (min1.y <= max0.y) && \n" - " (min0.z <= max1.z)&& (min1.z <= max0.z); \n" - "}\n" - "//search for AABB 'index' against other AABBs' in this cell\n" - "void findPairsInCell( int numObjects,\n" - " int4 gridPos,\n" - " int index,\n" - " __global int2* pHash,\n" - " __global int* pCellStart,\n" - " __global float4* allpAABB, \n" - " __global const int* smallAabbMapping,\n" - " __global float4* pParams,\n" - " volatile __global int* pairCount,\n" - " __global int4* pPairBuff2,\n" - " int maxPairs\n" - " )\n" - "{\n" - " int4 pGridDim = *((__global int4*)(pParams + 1));\n" - " int maxBodiesPerCell = pGridDim.w;\n" - " int gridHash = getPosHash(gridPos, pParams);\n" - " // get start of bucket for this cell\n" - " int bucketStart = pCellStart[gridHash];\n" - " if (bucketStart == -1)\n" - " {\n" - " return; // cell empty\n" - " }\n" - " // iterate over bodies in this cell\n" - " int2 sortedData = pHash[index];\n" - " int unsorted_indx = sortedData.y;\n" - " float4 min0 = allpAABB[smallAabbMapping[unsorted_indx]*2 + 0]; \n" - " float4 max0 = allpAABB[smallAabbMapping[unsorted_indx]*2 + 1];\n" - " int handleIndex = as_int(min0.w);\n" - " \n" - " int bucketEnd = bucketStart + maxBodiesPerCell;\n" - " bucketEnd = (bucketEnd > numObjects) ? numObjects : bucketEnd;\n" - " for(int index2 = bucketStart; index2 < bucketEnd; index2++) \n" - " {\n" - " int2 cellData = pHash[index2];\n" - " if (cellData.x != gridHash)\n" - " {\n" - " break; // no longer in same bucket\n" - " }\n" - " int unsorted_indx2 = cellData.y;\n" - " //if (unsorted_indx2 < unsorted_indx) // check not colliding with self\n" - " if (unsorted_indx2 != unsorted_indx) // check not colliding with self\n" - " { \n" - " float4 min1 = allpAABB[smallAabbMapping[unsorted_indx2]*2 + 0];\n" - " float4 max1 = allpAABB[smallAabbMapping[unsorted_indx2]*2 + 1];\n" - " if(testAABBOverlap(min0, max0, min1, max1))\n" - " {\n" - " if (pairCount)\n" - " {\n" - " int handleIndex2 = as_int(min1.w);\n" - " if (handleIndex<handleIndex2)\n" - " {\n" - " int curPair = atomic_add(pairCount,1);\n" - " if (curPair<maxPairs)\n" - " {\n" - " int4 newpair;\n" - " newpair.x = handleIndex;\n" - " newpair.y = handleIndex2;\n" - " newpair.z = -1;\n" - " newpair.w = -1;\n" - " pPairBuff2[curPair] = newpair;\n" - " }\n" - " }\n" - " \n" - " }\n" - " }\n" - " }\n" - " }\n" - "}\n" - "__kernel void kFindOverlappingPairs( int numObjects,\n" - " __global float4* allpAABB, \n" - " __global const int* smallAabbMapping,\n" - " __global int2* pHash, \n" - " __global int* pCellStart, \n" - " __global float4* pParams ,\n" - " volatile __global int* pairCount,\n" - " __global int4* pPairBuff2,\n" - " int maxPairs\n" - " )\n" - "{\n" - " int index = get_global_id(0);\n" - " if(index >= numObjects)\n" - " {\n" - " return;\n" - " }\n" - " int2 sortedData = pHash[index];\n" - " int unsorted_indx = sortedData.y;\n" - " float4 bbMin = allpAABB[smallAabbMapping[unsorted_indx]*2 + 0];\n" - " float4 bbMax = allpAABB[smallAabbMapping[unsorted_indx]*2 + 1];\n" - " float4 pos;\n" - " pos.x = (bbMin.x + bbMax.x) * 0.5f;\n" - " pos.y = (bbMin.y + bbMax.y) * 0.5f;\n" - " pos.z = (bbMin.z + bbMax.z) * 0.5f;\n" - " // get address in grid\n" - " int4 gridPosA = getGridPos(pos, pParams);\n" - " int4 gridPosB; \n" - " // examine only neighbouring cells\n" - " for(int z=-1; z<=1; z++) \n" - " {\n" - " gridPosB.z = gridPosA.z + z;\n" - " for(int y=-1; y<=1; y++) \n" - " {\n" - " gridPosB.y = gridPosA.y + y;\n" - " for(int x=-1; x<=1; x++) \n" - " {\n" - " gridPosB.x = gridPosA.x + x;\n" - " findPairsInCell(numObjects, gridPosB, index, pHash, pCellStart, allpAABB,smallAabbMapping, pParams, pairCount,pPairBuff2, maxPairs);\n" - " }\n" - " }\n" - " }\n" - "}\n"; |