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add support for 16bit and 32bit indices in SPU/BulletMultiThreaded version of btBvhTriangleMeshShape

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ejcoumans
2008-02-01 02:13:24 +00:00
parent 995b4d7b92
commit 1cdd5bf67f
1 changed files with 22 additions and 3 deletions
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25
Extras/BulletMultiThreaded/SpuNarrowPhaseCollisionTask/SpuGatheringCollisionTask.cpp
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@@ -135,6 +135,7 @@ struct CollisionTask_LocalStoreMemory
CollisionShape_LocalStoreMemory gCollisionShapes[2];
///we reserve 32bit integer indices, even though they might be 16bit
ATTRIBUTE_ALIGNED16(int spuIndices[16]);
bvhMeshShape_LocalStoreMemory bvhShapeData;
@@ -230,7 +231,7 @@ class spuNodeCallback : public btNodeOverlapCallback
ATTRIBUTE_ALIGNED16(btVector3 spuTriangleVertices[3]);
ATTRIBUTE_ALIGNED16(btScalar spuUnscaledVertex[4]);
//ATTRIBUTE_ALIGNED16(int spuIndices[16]);
public:
@@ -248,14 +249,31 @@ public:
// spu_printf("processNode with triangleIndex %d\n",triangleIndex);
///TODO: add switch between short int, and int indices, based on indexType
// 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]);
int* indexBasePtr = (int*)(m_lsMemPtr->bvhShapeData.gIndexMesh.m_triangleIndexBase+triangleIndex*m_lsMemPtr->bvhShapeData.gIndexMesh.m_triangleIndexStride);
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));
small_cache_read_triple(&m_lsMemPtr->spuIndices[0],(ppu_address_t)&indexBasePtr[0],
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));
}
// spu_printf("SPU index0=%d ,",spuIndices[0]);
// spu_printf("SPU index1=%d ,",spuIndices[1]);
@@ -353,6 +371,7 @@ void ProcessConvexConcaveSpuCollision(SpuCollisionPairInput* wuInput, CollisionT
BvhSubtreeInfoArray& subTrees = lsMemPtr->bvhShapeData.getOptimizedBvh()->getSubtreeInfoArray();
spuNodeCallback nodeCallback(wuInput,lsMemPtr,spuContacts);
IndexedMeshArray& indexArray = lsMemPtr->bvhShapeData.gTriangleMeshInterfacePtr->getIndexedMeshArray();
//spu_printf("SPU:indexArray.size() = %d\n",indexArray.size());