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Code Issues Releases Wiki Activity

Add 16bit indices support for Raycast + add alignment

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This commit is contained in:
ejcoumans 2008-02-13 22:22:42 +00:00
parent abc0391742
commit fe426229a7
2 changed files with 32 additions and 6 deletions
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34
Extras/BulletMultiThreaded/SpuRaycastTask/SpuRaycastTask.cpp
View File

@ -185,12 +185,30 @@ public:
// spu_printf("processNode with triangleIndex %d\n",triangleIndex);
int* indexBasePtr = (int*)(m_lsMemPtr->bvhShapeData.gIndexMesh.m_triangleIndexBase+triangleIndex*m_lsMemPtr->bvhShapeData.gIndexMesh.m_triangleIndexStride);
small_cache_read_triple(&m_lsMemPtr->spuIndices[0],(ppu_address_t)&indexBasePtr[0],
// ugly solution to support both 16bit and 32bit indices
if (m_lsMemPtr->bvhShapeData.gIndexMesh.m_indexType == PHY_SHORT)
{
short int* indexBasePtr = (short int*)(m_lsMemPtr->bvhShapeData.gIndexMesh.m_triangleIndexBase+triangleIndex*m_lsMemPtr->bvhShapeData.gIndexMesh.m_triangleIndexStride);
ATTRIBUTE_ALIGNED16(short int tmpIndices[3]);
small_cache_read_triple(&tmpIndices[0],(ppu_address_t)&indexBasePtr[0],
&tmpIndices[1],(ppu_address_t)&indexBasePtr[1],
&tmpIndices[2],(ppu_address_t)&indexBasePtr[2],
sizeof(short int));
m_lsMemPtr->spuIndices[0] = int(tmpIndices[0]);
m_lsMemPtr->spuIndices[1] = int(tmpIndices[1]);
m_lsMemPtr->spuIndices[2] = int(tmpIndices[2]);
} else
{
int* indexBasePtr = (int*)(m_lsMemPtr->bvhShapeData.gIndexMesh.m_triangleIndexBase+triangleIndex*m_lsMemPtr->bvhShapeData.gIndexMesh.m_triangleIndexStride);
small_cache_read_triple(&m_lsMemPtr->spuIndices[0],(ppu_address_t)&indexBasePtr[0],
&m_lsMemPtr->spuIndices[1],(ppu_address_t)&indexBasePtr[1],
&m_lsMemPtr->spuIndices[2],(ppu_address_t)&indexBasePtr[2],
sizeof(int));
}
//printf("%d %d %d\n", m_lsMemPtr->spuIndices[0], m_lsMemPtr->spuIndices[1], m_lsMemPtr->spuIndices[2]);
// spu_printf("SPU index0=%d ,",spuIndices[0]);
// spu_printf("SPU index1=%d ,",spuIndices[1]);
@ -379,6 +397,7 @@ void performRaycastAgainstConcave (RaycastGatheredObjectData* gatheredObjectData
// spu_printf("nextBatch = %d\n",nextBatch);
for (int j=0;j<nextBatch;j++)
{
const btBvhSubtreeInfo& subtree = lsMemPtr->bvhShapeData.gSubtreeHeaders[j];
@ -394,10 +413,13 @@ void performRaycastAgainstConcave (RaycastGatheredObjectData* gatheredObjectData
cellDmaWaitTagStatusAll(DMA_MASK(2));
/* Walk this subtree */
{
spuWalkStacklessQuantizedTreeAgainstRay(lsMemPtr, &nodeCallback,rayFromInTriangleSpace, rayToInTriangleSpace, quantizedQueryAabbMin,quantizedQueryAabbMax,
&lsMemPtr->bvhShapeData.gSubtreeNodes[0],
0,
subtree.m_subtreeSize);
}
}
// spu_printf("subtreeSize = %d\n",gSubtreeHeaders[j].m_subtreeSize);
}
@ -484,10 +506,12 @@ void processRaycastTask(void* userPtr, void* lsMemory)
SpuRaycastTaskWorkUnitOut tWorkUnitOut;
tWorkUnitOut.hitFraction = 1.0;
if (btBroadphaseProxy::isConvex (gatheredObjectData.m_shapeType))
{
performRaycastAgainstConvex (&gatheredObjectData, workUnit, &tWorkUnitOut, localMemory);
} else if (btBroadphaseProxy::isCompound (gatheredObjectData.m_shapeType)) {
}
else if (btBroadphaseProxy::isCompound (gatheredObjectData.m_shapeType)) {
performRaycastAgainstCompound (&gatheredObjectData, workUnit, &tWorkUnitOut, localMemory);
} else if (btBroadphaseProxy::isConcave (gatheredObjectData.m_shapeType)) {
performRaycastAgainstConcave (&gatheredObjectData, workUnit, &tWorkUnitOut, localMemory);
@ -503,6 +527,8 @@ void processRaycastTask(void* userPtr, void* lsMemory)
/* write ray cast data back */
dmaStoreRayOutput ((ppu_address_t)workUnit.output, &workUnitOut, 1);
cellDmaWaitTagStatusAll(DMA_MASK(1));
}
}

4
Extras/BulletMultiThreaded/SpuRaycastTask/SpuRaycastTask.h
View File

@ -6,7 +6,7 @@
#include "LinearMath/btVector3.h"
#include "../PlatformDefinitions.h"
struct RaycastGatheredObjectData
ATTRIBUTE_ALIGNED16(struct) RaycastGatheredObjectData
{
ppu_address_t m_collisionShape;
void* m_spuCollisionShape;
@ -33,7 +33,7 @@ ATTRIBUTE_ALIGNED16(struct) SpuRaycastTaskWorkUnit
#define SPU_RAYCAST_WORK_UNITS_PER_TASK 4
struct SpuRaycastTaskDesc
ATTRIBUTE_ALIGNED128(struct) SpuRaycastTaskDesc
{
SpuRaycastTaskWorkUnit workUnits[SPU_RAYCAST_WORK_UNITS_PER_TASK];
int numWorkUnits;