diff options
Diffstat (limited to 'thirdparty/bullet/Bullet3OpenCL/BroadphaseCollision/b3GpuGridBroadphase.cpp')
-rw-r--r-- | thirdparty/bullet/Bullet3OpenCL/BroadphaseCollision/b3GpuGridBroadphase.cpp | 338 |
1 files changed, 0 insertions, 338 deletions
diff --git a/thirdparty/bullet/Bullet3OpenCL/BroadphaseCollision/b3GpuGridBroadphase.cpp b/thirdparty/bullet/Bullet3OpenCL/BroadphaseCollision/b3GpuGridBroadphase.cpp deleted file mode 100644 index e714fadac3..0000000000 --- a/thirdparty/bullet/Bullet3OpenCL/BroadphaseCollision/b3GpuGridBroadphase.cpp +++ /dev/null @@ -1,338 +0,0 @@ - -#include "b3GpuGridBroadphase.h" -#include "Bullet3Geometry/b3AabbUtil.h" -#include "kernels/gridBroadphaseKernels.h" -#include "kernels/sapKernels.h" -//#include "kernels/gridBroadphase.cl" - -#include "Bullet3OpenCL/Initialize/b3OpenCLUtils.h" -#include "Bullet3OpenCL/ParallelPrimitives/b3LauncherCL.h" - -#define B3_BROADPHASE_SAP_PATH "src/Bullet3OpenCL/BroadphaseCollision/kernels/sap.cl" -#define B3_GRID_BROADPHASE_PATH "src/Bullet3OpenCL/BroadphaseCollision/kernels/gridBroadphase.cl" - -cl_kernel kCalcHashAABB; -cl_kernel kClearCellStart; -cl_kernel kFindCellStart; -cl_kernel kFindOverlappingPairs; -cl_kernel m_copyAabbsKernel; -cl_kernel m_sap2Kernel; - -//int maxPairsPerBody = 64; -int maxBodiesPerCell = 256; //?? - -b3GpuGridBroadphase::b3GpuGridBroadphase(cl_context ctx, cl_device_id device, cl_command_queue q) - : m_context(ctx), - m_device(device), - m_queue(q), - m_allAabbsGPU1(ctx, q), - m_smallAabbsMappingGPU(ctx, q), - m_largeAabbsMappingGPU(ctx, q), - m_gpuPairs(ctx, q), - - m_hashGpu(ctx, q), - - m_cellStartGpu(ctx, q), - m_paramsGPU(ctx, q) -{ - b3Vector3 gridSize = b3MakeVector3(3, 3, 3); - b3Vector3 invGridSize = b3MakeVector3(1.f / gridSize[0], 1.f / gridSize[1], 1.f / gridSize[2]); - - m_paramsCPU.m_gridSize[0] = 128; - m_paramsCPU.m_gridSize[1] = 128; - m_paramsCPU.m_gridSize[2] = 128; - m_paramsCPU.m_gridSize[3] = maxBodiesPerCell; - m_paramsCPU.setMaxBodiesPerCell(maxBodiesPerCell); - m_paramsCPU.m_invCellSize[0] = invGridSize[0]; - m_paramsCPU.m_invCellSize[1] = invGridSize[1]; - m_paramsCPU.m_invCellSize[2] = invGridSize[2]; - m_paramsCPU.m_invCellSize[3] = 0.f; - m_paramsGPU.push_back(m_paramsCPU); - - cl_int errNum = 0; - - { - const char* sapSrc = sapCL; - cl_program sapProg = b3OpenCLUtils::compileCLProgramFromString(m_context, m_device, sapSrc, &errNum, "", B3_BROADPHASE_SAP_PATH); - b3Assert(errNum == CL_SUCCESS); - m_copyAabbsKernel = b3OpenCLUtils::compileCLKernelFromString(m_context, m_device, sapSrc, "copyAabbsKernel", &errNum, sapProg); - m_sap2Kernel = b3OpenCLUtils::compileCLKernelFromString(m_context, m_device, sapSrc, "computePairsKernelTwoArrays", &errNum, sapProg); - b3Assert(errNum == CL_SUCCESS); - } - - { - cl_program gridProg = b3OpenCLUtils::compileCLProgramFromString(m_context, m_device, gridBroadphaseCL, &errNum, "", B3_GRID_BROADPHASE_PATH); - b3Assert(errNum == CL_SUCCESS); - - kCalcHashAABB = b3OpenCLUtils::compileCLKernelFromString(m_context, m_device, gridBroadphaseCL, "kCalcHashAABB", &errNum, gridProg); - b3Assert(errNum == CL_SUCCESS); - - kClearCellStart = b3OpenCLUtils::compileCLKernelFromString(m_context, m_device, gridBroadphaseCL, "kClearCellStart", &errNum, gridProg); - b3Assert(errNum == CL_SUCCESS); - - kFindCellStart = b3OpenCLUtils::compileCLKernelFromString(m_context, m_device, gridBroadphaseCL, "kFindCellStart", &errNum, gridProg); - b3Assert(errNum == CL_SUCCESS); - - kFindOverlappingPairs = b3OpenCLUtils::compileCLKernelFromString(m_context, m_device, gridBroadphaseCL, "kFindOverlappingPairs", &errNum, gridProg); - b3Assert(errNum == CL_SUCCESS); - } - - m_sorter = new b3RadixSort32CL(m_context, m_device, m_queue); -} -b3GpuGridBroadphase::~b3GpuGridBroadphase() -{ - clReleaseKernel(kCalcHashAABB); - clReleaseKernel(kClearCellStart); - clReleaseKernel(kFindCellStart); - clReleaseKernel(kFindOverlappingPairs); - clReleaseKernel(m_sap2Kernel); - clReleaseKernel(m_copyAabbsKernel); - - delete m_sorter; -} - -void b3GpuGridBroadphase::createProxy(const b3Vector3& aabbMin, const b3Vector3& aabbMax, int userPtr, int collisionFilterGroup, int collisionFilterMask) -{ - b3SapAabb aabb; - aabb.m_minVec = aabbMin; - aabb.m_maxVec = aabbMax; - aabb.m_minIndices[3] = userPtr; - aabb.m_signedMaxIndices[3] = m_allAabbsCPU1.size(); //NOT userPtr; - m_smallAabbsMappingCPU.push_back(m_allAabbsCPU1.size()); - - m_allAabbsCPU1.push_back(aabb); -} -void b3GpuGridBroadphase::createLargeProxy(const b3Vector3& aabbMin, const b3Vector3& aabbMax, int userPtr, int collisionFilterGroup, int collisionFilterMask) -{ - b3SapAabb aabb; - aabb.m_minVec = aabbMin; - aabb.m_maxVec = aabbMax; - aabb.m_minIndices[3] = userPtr; - aabb.m_signedMaxIndices[3] = m_allAabbsCPU1.size(); //NOT userPtr; - m_largeAabbsMappingCPU.push_back(m_allAabbsCPU1.size()); - - m_allAabbsCPU1.push_back(aabb); -} - -void b3GpuGridBroadphase::calculateOverlappingPairs(int maxPairs) -{ - B3_PROFILE("b3GpuGridBroadphase::calculateOverlappingPairs"); - - if (0) - { - calculateOverlappingPairsHost(maxPairs); - /* - b3AlignedObjectArray<b3Int4> cpuPairs; - m_gpuPairs.copyToHost(cpuPairs); - printf("host m_gpuPairs.size()=%d\n",m_gpuPairs.size()); - for (int i=0;i<m_gpuPairs.size();i++) - { - printf("host pair %d = %d,%d\n",i,cpuPairs[i].x,cpuPairs[i].y); - } - */ - return; - } - - int numSmallAabbs = m_smallAabbsMappingGPU.size(); - - b3OpenCLArray<int> pairCount(m_context, m_queue); - pairCount.push_back(0); - m_gpuPairs.resize(maxPairs); //numSmallAabbs*maxPairsPerBody); - - { - int numLargeAabbs = m_largeAabbsMappingGPU.size(); - if (numLargeAabbs && numSmallAabbs) - { - B3_PROFILE("sap2Kernel"); - b3BufferInfoCL bInfo[] = { - b3BufferInfoCL(m_allAabbsGPU1.getBufferCL()), - b3BufferInfoCL(m_largeAabbsMappingGPU.getBufferCL()), - b3BufferInfoCL(m_smallAabbsMappingGPU.getBufferCL()), - b3BufferInfoCL(m_gpuPairs.getBufferCL()), - b3BufferInfoCL(pairCount.getBufferCL())}; - b3LauncherCL launcher(m_queue, m_sap2Kernel, "m_sap2Kernel"); - launcher.setBuffers(bInfo, sizeof(bInfo) / sizeof(b3BufferInfoCL)); - launcher.setConst(numLargeAabbs); - launcher.setConst(numSmallAabbs); - launcher.setConst(0); //axis is not used - launcher.setConst(maxPairs); - //@todo: use actual maximum work item sizes of the device instead of hardcoded values - launcher.launch2D(numLargeAabbs, numSmallAabbs, 4, 64); - - int numPairs = pairCount.at(0); - - if (numPairs > maxPairs) - { - b3Error("Error running out of pairs: numPairs = %d, maxPairs = %d.\n", numPairs, maxPairs); - numPairs = maxPairs; - } - } - } - - if (numSmallAabbs) - { - B3_PROFILE("gridKernel"); - m_hashGpu.resize(numSmallAabbs); - { - B3_PROFILE("kCalcHashAABB"); - b3LauncherCL launch(m_queue, kCalcHashAABB, "kCalcHashAABB"); - launch.setConst(numSmallAabbs); - launch.setBuffer(m_allAabbsGPU1.getBufferCL()); - launch.setBuffer(m_smallAabbsMappingGPU.getBufferCL()); - launch.setBuffer(m_hashGpu.getBufferCL()); - launch.setBuffer(this->m_paramsGPU.getBufferCL()); - launch.launch1D(numSmallAabbs); - } - - m_sorter->execute(m_hashGpu); - - int numCells = this->m_paramsCPU.m_gridSize[0] * this->m_paramsCPU.m_gridSize[1] * this->m_paramsCPU.m_gridSize[2]; - m_cellStartGpu.resize(numCells); - //b3AlignedObjectArray<int > cellStartCpu; - - { - B3_PROFILE("kClearCellStart"); - b3LauncherCL launch(m_queue, kClearCellStart, "kClearCellStart"); - launch.setConst(numCells); - launch.setBuffer(m_cellStartGpu.getBufferCL()); - launch.launch1D(numCells); - //m_cellStartGpu.copyToHost(cellStartCpu); - //printf("??\n"); - } - - { - B3_PROFILE("kFindCellStart"); - b3LauncherCL launch(m_queue, kFindCellStart, "kFindCellStart"); - launch.setConst(numSmallAabbs); - launch.setBuffer(m_hashGpu.getBufferCL()); - launch.setBuffer(m_cellStartGpu.getBufferCL()); - launch.launch1D(numSmallAabbs); - //m_cellStartGpu.copyToHost(cellStartCpu); - //printf("??\n"); - } - - { - B3_PROFILE("kFindOverlappingPairs"); - - b3LauncherCL launch(m_queue, kFindOverlappingPairs, "kFindOverlappingPairs"); - launch.setConst(numSmallAabbs); - launch.setBuffer(m_allAabbsGPU1.getBufferCL()); - launch.setBuffer(m_smallAabbsMappingGPU.getBufferCL()); - launch.setBuffer(m_hashGpu.getBufferCL()); - launch.setBuffer(m_cellStartGpu.getBufferCL()); - - launch.setBuffer(m_paramsGPU.getBufferCL()); - //launch.setBuffer(0); - launch.setBuffer(pairCount.getBufferCL()); - launch.setBuffer(m_gpuPairs.getBufferCL()); - - launch.setConst(maxPairs); - launch.launch1D(numSmallAabbs); - - int numPairs = pairCount.at(0); - if (numPairs > maxPairs) - { - b3Error("Error running out of pairs: numPairs = %d, maxPairs = %d.\n", numPairs, maxPairs); - numPairs = maxPairs; - } - - m_gpuPairs.resize(numPairs); - - if (0) - { - b3AlignedObjectArray<b3Int4> pairsCpu; - m_gpuPairs.copyToHost(pairsCpu); - - int sz = m_gpuPairs.size(); - printf("m_gpuPairs.size()=%d\n", sz); - for (int i = 0; i < m_gpuPairs.size(); i++) - { - printf("pair %d = %d,%d\n", i, pairsCpu[i].x, pairsCpu[i].y); - } - - printf("?!?\n"); - } - } - } - - //calculateOverlappingPairsHost(maxPairs); -} -void b3GpuGridBroadphase::calculateOverlappingPairsHost(int maxPairs) -{ - m_hostPairs.resize(0); - m_allAabbsGPU1.copyToHost(m_allAabbsCPU1); - for (int i = 0; i < m_allAabbsCPU1.size(); i++) - { - for (int j = i + 1; j < m_allAabbsCPU1.size(); j++) - { - if (b3TestAabbAgainstAabb2(m_allAabbsCPU1[i].m_minVec, m_allAabbsCPU1[i].m_maxVec, - m_allAabbsCPU1[j].m_minVec, m_allAabbsCPU1[j].m_maxVec)) - { - b3Int4 pair; - int a = m_allAabbsCPU1[j].m_minIndices[3]; - int b = m_allAabbsCPU1[i].m_minIndices[3]; - if (a <= b) - { - pair.x = a; - pair.y = b; //store the original index in the unsorted aabb array - } - else - { - pair.x = b; - pair.y = a; //store the original index in the unsorted aabb array - } - - if (m_hostPairs.size() < maxPairs) - { - m_hostPairs.push_back(pair); - } - } - } - } - - m_gpuPairs.copyFromHost(m_hostPairs); -} - -//call writeAabbsToGpu after done making all changes (createProxy etc) -void b3GpuGridBroadphase::writeAabbsToGpu() -{ - m_allAabbsGPU1.copyFromHost(m_allAabbsCPU1); - m_smallAabbsMappingGPU.copyFromHost(m_smallAabbsMappingCPU); - m_largeAabbsMappingGPU.copyFromHost(m_largeAabbsMappingCPU); -} - -cl_mem b3GpuGridBroadphase::getAabbBufferWS() -{ - return this->m_allAabbsGPU1.getBufferCL(); -} -int b3GpuGridBroadphase::getNumOverlap() -{ - return m_gpuPairs.size(); -} -cl_mem b3GpuGridBroadphase::getOverlappingPairBuffer() -{ - return m_gpuPairs.getBufferCL(); -} - -b3OpenCLArray<b3SapAabb>& b3GpuGridBroadphase::getAllAabbsGPU() -{ - return m_allAabbsGPU1; -} - -b3AlignedObjectArray<b3SapAabb>& b3GpuGridBroadphase::getAllAabbsCPU() -{ - return m_allAabbsCPU1; -} - -b3OpenCLArray<b3Int4>& b3GpuGridBroadphase::getOverlappingPairsGPU() -{ - return m_gpuPairs; -} -b3OpenCLArray<int>& b3GpuGridBroadphase::getSmallAabbIndicesGPU() -{ - return m_smallAabbsMappingGPU; -} -b3OpenCLArray<int>& b3GpuGridBroadphase::getLargeAabbIndicesGPU() -{ - return m_largeAabbsMappingGPU; -} |