69 lines
2.5 KiB
C++
69 lines
2.5 KiB
C++
/*
|
|
Bullet Continuous Collision Detection and Physics Library, http://bulletphysics.org
|
|
Copyright (C) 2006, 2007 Sony Computer Entertainment Inc.
|
|
|
|
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.
|
|
*/
|
|
|
|
|
|
|
|
#ifndef CUDA_BROADPHASE_H
|
|
#define CUDA_BROADPHASE_H
|
|
|
|
|
|
|
|
#include "BulletCollision/BroadphaseCollision/btSimpleBroadphase.h"
|
|
|
|
#include "../../src/BulletMultiThreaded/btGpu3DGridBroadphaseSharedTypes.h"
|
|
#include "../../src/BulletMultiThreaded/btGpu3DGridBroadphase.h"
|
|
|
|
|
|
|
|
///The btCudaBroadphase uses CUDA-capable GPU to compute overlapping pairs
|
|
|
|
class btCudaBroadphase : public btGpu3DGridBroadphase
|
|
{
|
|
protected:
|
|
// GPU data
|
|
unsigned int* m_dBodiesHash[2];
|
|
unsigned int* m_dCellStart;
|
|
unsigned int* m_dPairBuff;
|
|
unsigned int* m_dPairBuffStartCurr;
|
|
bt3DGrid3F1U* m_dAABB;
|
|
unsigned int* m_dPairScan;
|
|
unsigned int* m_dPairOut;
|
|
public:
|
|
btCudaBroadphase( btOverlappingPairCache* overlappingPairCache,
|
|
const btVector3& worldAabbMin,const btVector3& worldAabbMax,
|
|
int gridSizeX, int gridSizeY, int gridSizeZ,
|
|
int maxSmallProxies, int maxLargeProxies, int maxPairsPerSmallProxies,
|
|
int maxSmallProxiesPerCell = 8);
|
|
virtual ~btCudaBroadphase();
|
|
protected:
|
|
void _initialize();
|
|
void _finalize();
|
|
void allocateArray(void** devPtr, unsigned int size);
|
|
void freeArray(void* devPtr);
|
|
// overrides for CUDA version
|
|
virtual void setParameters(bt3DGridBroadphaseParams* hostParams);
|
|
virtual void prepareAABB();
|
|
virtual void calcHashAABB();
|
|
virtual void sortHash();
|
|
virtual void findCellStart();
|
|
virtual void findOverlappingPairs();
|
|
virtual void findPairsLarge();
|
|
virtual void computePairCacheChanges();
|
|
virtual void scanOverlappingPairBuff();
|
|
virtual void squeezeOverlappingPairBuff();
|
|
virtual void resetPool(btDispatcher* dispatcher);
|
|
};
|
|
|
|
#endif //CUDA_BROADPHASE_H
|