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Diffstat (limited to 'thirdparty/bullet/src/Bullet3OpenCL/BroadphaseCollision/b3GpuParallelLinearBvhBroadphase.cpp')
| -rw-r--r-- | thirdparty/bullet/src/Bullet3OpenCL/BroadphaseCollision/b3GpuParallelLinearBvhBroadphase.cpp | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/thirdparty/bullet/src/Bullet3OpenCL/BroadphaseCollision/b3GpuParallelLinearBvhBroadphase.cpp b/thirdparty/bullet/src/Bullet3OpenCL/BroadphaseCollision/b3GpuParallelLinearBvhBroadphase.cpp new file mode 100644 index 0000000000..d2618024ac --- /dev/null +++ b/thirdparty/bullet/src/Bullet3OpenCL/BroadphaseCollision/b3GpuParallelLinearBvhBroadphase.cpp @@ -0,0 +1,80 @@ +/* +This software is provided 'as-is', without any express or implied warranty. +In no event will the authors be held liable for any damages arising from the use of this software. +Permission is granted to anyone to use this software for any purpose, +including commercial applications, and to alter it and redistribute it freely, +subject to the following restrictions: + +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. +2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. +3. This notice may not be removed or altered from any source distribution. +*/ +//Initial Author Jackson Lee, 2014 + +#include "b3GpuParallelLinearBvhBroadphase.h" + +b3GpuParallelLinearBvhBroadphase::b3GpuParallelLinearBvhBroadphase(cl_context context, cl_device_id device, cl_command_queue queue) : + m_plbvh(context, device, queue), + + m_overlappingPairsGpu(context, queue), + + m_aabbsGpu(context, queue), + m_smallAabbsMappingGpu(context, queue), + m_largeAabbsMappingGpu(context, queue) +{ +} + +void b3GpuParallelLinearBvhBroadphase::createProxy(const b3Vector3& aabbMin, const b3Vector3& aabbMax, int userPtr, int collisionFilterGroup, int collisionFilterMask) +{ + int newAabbIndex = m_aabbsCpu.size(); + + b3SapAabb aabb; + aabb.m_minVec = aabbMin; + aabb.m_maxVec = aabbMax; + + aabb.m_minIndices[3] = userPtr; + aabb.m_signedMaxIndices[3] = newAabbIndex; + + m_smallAabbsMappingCpu.push_back(newAabbIndex); + + m_aabbsCpu.push_back(aabb); +} +void b3GpuParallelLinearBvhBroadphase::createLargeProxy(const b3Vector3& aabbMin, const b3Vector3& aabbMax, int userPtr, int collisionFilterGroup, int collisionFilterMask) +{ + int newAabbIndex = m_aabbsCpu.size(); + + b3SapAabb aabb; + aabb.m_minVec = aabbMin; + aabb.m_maxVec = aabbMax; + + aabb.m_minIndices[3] = userPtr; + aabb.m_signedMaxIndices[3] = newAabbIndex; + + m_largeAabbsMappingCpu.push_back(newAabbIndex); + + m_aabbsCpu.push_back(aabb); +} + +void b3GpuParallelLinearBvhBroadphase::calculateOverlappingPairs(int maxPairs) +{ + //Reconstruct BVH + m_plbvh.build(m_aabbsGpu, m_smallAabbsMappingGpu, m_largeAabbsMappingGpu); + + // + m_overlappingPairsGpu.resize(maxPairs); + m_plbvh.calculateOverlappingPairs(m_overlappingPairsGpu); +} +void b3GpuParallelLinearBvhBroadphase::calculateOverlappingPairsHost(int maxPairs) +{ + b3Assert(0); //CPU version not implemented +} + +void b3GpuParallelLinearBvhBroadphase::writeAabbsToGpu() +{ + m_aabbsGpu.copyFromHost(m_aabbsCpu); + m_smallAabbsMappingGpu.copyFromHost(m_smallAabbsMappingCpu); + m_largeAabbsMappingGpu.copyFromHost(m_largeAabbsMappingCpu); +} + + + |