1 files changed, 88 insertions, 0 deletions
diff --git a/thirdparty/bullet/Bullet3OpenCL/BroadphaseCollision/b3GpuGridBroadphase.h b/thirdparty/bullet/Bullet3OpenCL/BroadphaseCollision/b3GpuGridBroadphase.h
new file mode 100644
index 0000000000..ec18c9f716
--- /dev/null
+++ b/thirdparty/bullet/Bullet3OpenCL/BroadphaseCollision/b3GpuGridBroadphase.h
@@ -0,0 +1,88 @@
+#ifndef B3_GPU_GRID_BROADPHASE_H
+#define B3_GPU_GRID_BROADPHASE_H
+
+#include "b3GpuBroadphaseInterface.h"
+#include "Bullet3OpenCL/ParallelPrimitives/b3RadixSort32CL.h"
+
+struct b3ParamsGridBroadphaseCL
+{
+
+	float m_invCellSize[4];
+	int   m_gridSize[4];
+
+	int	getMaxBodiesPerCell() const
+	{
+		return m_gridSize[3];
+	}
+
+	void setMaxBodiesPerCell(int maxOverlap) 
+	{
+		m_gridSize[3] = maxOverlap;
+	}
+};
+
+
+class b3GpuGridBroadphase : public b3GpuBroadphaseInterface
+{
+protected:
+	cl_context				m_context;
+	cl_device_id			m_device;
+	cl_command_queue		m_queue;
+
+	b3OpenCLArray<b3SapAabb>	m_allAabbsGPU1;
+	b3AlignedObjectArray<b3SapAabb>	m_allAabbsCPU1;
+
+	b3OpenCLArray<int>	m_smallAabbsMappingGPU;
+	b3AlignedObjectArray<int> m_smallAabbsMappingCPU;
+
+	b3OpenCLArray<int>	m_largeAabbsMappingGPU;
+	b3AlignedObjectArray<int> m_largeAabbsMappingCPU;
+
+	b3AlignedObjectArray<b3Int4> m_hostPairs;
+	b3OpenCLArray<b3Int4>			m_gpuPairs;
+
+	b3OpenCLArray<b3SortData>			m_hashGpu;
+	b3OpenCLArray<int>			m_cellStartGpu;
+	
+
+	b3ParamsGridBroadphaseCL		m_paramsCPU;
+	b3OpenCLArray<b3ParamsGridBroadphaseCL>		m_paramsGPU;
+
+	class b3RadixSort32CL*			m_sorter;
+
+public:
+
+	b3GpuGridBroadphase(cl_context ctx,cl_device_id device, cl_command_queue  q );
+	virtual ~b3GpuGridBroadphase();
+
+	static b3GpuBroadphaseInterface* CreateFunc(cl_context ctx,cl_device_id device, cl_command_queue  q)
+	{
+		return new b3GpuGridBroadphase(ctx,device,q);
+	}
+
+	
+
+
+	virtual void createProxy(const b3Vector3& aabbMin,  const b3Vector3& aabbMax, int userPtr , int collisionFilterGroup, int collisionFilterMask);
+	virtual void createLargeProxy(const b3Vector3& aabbMin,  const b3Vector3& aabbMax, int userPtr , int collisionFilterGroup, int collisionFilterMask);
+
+	virtual void  calculateOverlappingPairs(int maxPairs);
+	virtual void  calculateOverlappingPairsHost(int maxPairs);
+
+	//call writeAabbsToGpu after done making all changes (createProxy etc)
+	virtual void writeAabbsToGpu();
+
+	virtual cl_mem	getAabbBufferWS();
+	virtual int	getNumOverlap();
+	virtual cl_mem	getOverlappingPairBuffer();
+
+	virtual b3OpenCLArray<b3SapAabb>&	getAllAabbsGPU();
+	virtual b3AlignedObjectArray<b3SapAabb>&	getAllAabbsCPU();
+	
+	virtual b3OpenCLArray<b3Int4>& getOverlappingPairsGPU();
+	virtual b3OpenCLArray<int>& getSmallAabbIndicesGPU();
+	virtual b3OpenCLArray<int>& getLargeAabbIndicesGPU();
+
+};
+
+#endif //B3_GPU_GRID_BROADPHASE_H
+\ No newline at end of file