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Added libspe2 parallel Cell SPE support contribution by IBM Germany 'Extreme Blue' project:

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Thanks to Benjamin Hoeferlin, Minh Cuong Tran,Martina Huellmann,Frederick Roth.
This commit is contained in:
ejcoumans
2007-09-26 23:43:51 +00:00
parent 5ebab3e59b
commit 29dd9681f4
15 changed files with 4046 additions and 3507 deletions
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153
Extras/BulletMultiThreaded/SpuNarrowPhaseCollisionTask/SpuGatheringCollisionTask.h
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@@ -1,25 +1,128 @@
/*
Bullet Continuous Collision Detection and Physics Library
Copyright (c) 2003-2006 Erwin Coumans http://continuousphysics.com/Bullet/
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 SPU_GATHERING_COLLISION_TASK_H
#define SPU_GATHERING_COLLISION_TASK_H
struct SpuGatherAndProcessPairsTaskDesc;
void processCollisionTask(void* userPtr, void* lsMemory);
void* createCollisionLocalStoreMemory();
#endif //SPU_GATHERING_COLLISION_TASK_H
/*
Bullet Continuous Collision Detection and Physics Library
Copyright (c) 2003-2006 Erwin Coumans http://continuousphysics.com/Bullet/
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 SPU_GATHERING_COLLISION_TASK_H
#define SPU_GATHERING_COLLISION_TASK_H
#include "../PlatformDefinitions.h"
//#define DEBUG_SPU_COLLISION_DETECTION 1
///Task Description for SPU collision detection
struct SpuGatherAndProcessPairsTaskDesc
{
uint64_t inPtr;//m_pairArrayPtr;
//mutex variable
uint32_t m_someMutexVariableInMainMemory;
uint64_t m_dispatcher;
uint32_t numOnLastPage;
uint16_t numPages;
uint16_t taskId;
struct CollisionTask_LocalStoreMemory* m_lsMemory;
}
#if defined(__CELLOS_LV2__) || defined(USE_LIBSPE2)
__attribute__ ((aligned (128)))
#endif
;
void processCollisionTask(void* userPtr, void* lsMemory);
void* createCollisionLocalStoreMemory();
#if defined(USE_LIBSPE2) && defined(__SPU__)
#include "../SpuLibspe2Support.h"
#include <spu_intrinsics.h>
#include <spu_mfcio.h>
#include <SpuFakeDma.h>
int main(unsigned long long speid, addr64 argp, addr64 envp)
{
printf("SPU: hello \n");
ATTRIBUTE_ALIGNED128(btSpuStatus status);
ATTRIBUTE_ALIGNED16( SpuGatherAndProcessPairsTaskDesc taskDesc ) ;
unsigned int received_message = Spu_Mailbox_Event_Nothing;
bool shutdown = false;
cellDmaGet(&status, argp.ull, sizeof(btSpuStatus), DMA_TAG(3), 0, 0);
cellDmaWaitTagStatusAll(DMA_MASK(3));
status.m_status = Spu_Status_Free;
status.m_lsMemory.p = createCollisionLocalStoreMemory();
cellDmaLargePut(&status, argp.ull, sizeof(btSpuStatus), DMA_TAG(3), 0, 0);
cellDmaWaitTagStatusAll(DMA_MASK(3));
while ( btLikely( !shutdown ) )
{
received_message = spu_read_in_mbox();
if( btLikely( received_message == Spu_Mailbox_Event_Task ))
{
printf("SPU: received Spu_Mailbox_Event_Task\n");
// refresh the status
cellDmaGet(&status, argp.ull, sizeof(btSpuStatus), DMA_TAG(3), 0, 0);
cellDmaWaitTagStatusAll(DMA_MASK(3));
btAssert(status.m_status==Spu_Status_Occupied);
cellDmaGet(&taskDesc, status.m_taskDesc.p, sizeof(SpuGatherAndProcessPairsTaskDesc), DMA_TAG(3), 0, 0);
cellDmaWaitTagStatusAll(DMA_MASK(3));
printf("SPU:processCollisionTask\n");
processCollisionTask((void*)&taskDesc, taskDesc.m_lsMemory);
printf("SPU:finished processCollisionTask\n");
}
else
{
printf("SPU: received ShutDown\n");
if( btLikely( received_message == Spu_Mailbox_Event_Shutdown ) )
{
shutdown = true;
}
else
{
//printf("SPU - Sth. recieved\n");
}
}
// set to status free and wait for next task
status.m_status = Spu_Status_Free;
cellDmaLargePut(&status, argp.ull, sizeof(btSpuStatus), DMA_TAG(3), 0, 0);
cellDmaWaitTagStatusAll(DMA_MASK(3));
}
printf("SPU: shutdown\n");
return 0;
}
#endif // USE_LIBSPE2
#endif //SPU_GATHERING_COLLISION_TASK_H