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2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.

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#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

{

ppu_address_t m_inPairPtr;//m_pairArrayPtr;

//mutex variable

uint32_t m_someMutexVariableInMainMemory;

ppu_address_t m_dispatcher;

uint32_t numOnLastPage;

uint16_t numPages;

uint16_t taskId;

bool m_useEpa;

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>

//#define DEBUG_LIBSPE2_SPU_TASK

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 ))

{

#ifdef DEBUG_LIBSPE2_SPU_TASK

printf("SPU: received Spu_Mailbox_Event_Task\n");

#endif //DEBUG_LIBSPE2_SPU_TASK

// 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));

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#ifdef DEBUG_LIBSPE2_SPU_TASK

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printf("SPU:processCollisionTask\n");

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#endif //DEBUG_LIBSPE2_SPU_TASK

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processCollisionTask((void*)&taskDesc, taskDesc.m_lsMemory);

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#ifdef DEBUG_LIBSPE2_SPU_TASK

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printf("SPU:finished processCollisionTask\n");

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#endif //DEBUG_LIBSPE2_SPU_TASK

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}

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else

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{

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#ifdef DEBUG_LIBSPE2_SPU_TASK

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printf("SPU: received ShutDown\n");

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#endif //DEBUG_LIBSPE2_SPU_TASK

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if( btLikely( received_message == Spu_Mailbox_Event_Shutdown ) )

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{

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shutdown = true;

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}

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else

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{

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//printf("SPU - Sth. recieved\n");

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}

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}

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// set to status free and wait for next task

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status.m_status = Spu_Status_Free;

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cellDmaLargePut(&status, argp.ull, sizeof(btSpuStatus), DMA_TAG(3), 0, 0);

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cellDmaWaitTagStatusAll(DMA_MASK(3));

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}

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printf("SPU: shutdown\n");

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return 0;

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}

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#endif // USE_LIBSPE2

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#endif //SPU_GATHERING_COLLISION_TASK_H

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