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added a cellDmaLargeGetReadOnly/cellDmaGetReadOnly, which avoid memcpy on non-SPU platforms.

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enabled it for triangle mesh aabb DMA transfers. Todo: check if it is worth also modifying other parts of the code to avoid the memcpy into the 256kb Task memory.
This commit is contained in:
ejcoumans
2007-10-16 23:58:26 +00:00
parent 239d88985f
commit 830c096e10
3 changed files with 32 additions and 5 deletions
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9
Extras/BulletMultiThreaded/SpuNarrowPhaseCollisionTask/SpuGatheringCollisionTask.cpp
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@@ -149,7 +149,8 @@ struct CollisionTask_LocalStoreMemory
return (btOptimizedBvh*) gOptimizedBvh;
}
ATTRIBUTE_ALIGNED16(btTriangleIndexVertexArray gTriangleMeshInterface);
ATTRIBUTE_ALIGNED16(btTriangleIndexVertexArray gTriangleMeshInterfaceStorage);
btTriangleIndexVertexArray* gTriangleMeshInterfacePtr;
///only a single mesh part for now, we can add support for multiple parts, but quantized trees don't support this at the moment
ATTRIBUTE_ALIGNED16(btIndexedMesh gIndexMesh);
@@ -388,7 +389,7 @@ public:
// spu_printf("SPU index2=%d ,",spuIndices[2]);
// spu_printf("SPU: indexBasePtr=%llx\n",indexBasePtr);
const btVector3& meshScaling = m_lsMemPtr->gTriangleMeshInterface.getScaling();
const btVector3& meshScaling = m_lsMemPtr->gTriangleMeshInterfacePtr->getScaling();
for (int j=2;btLikely( j>=0 );j--)
{
int graphicsindex = m_lsMemPtr->spuIndices[j];
@@ -482,7 +483,7 @@ void ProcessConvexConcaveSpuCollision(SpuCollisionPairInput* wuInput, CollisionT
dmaPpuAddress2 = reinterpret_cast<uint32_t>(trimeshShape->getMeshInterface());
#endif
// spu_printf("trimeshShape->getMeshInterface() == %llx\n",dmaPpuAddress2);
cellDmaGet(&lsMemPtr->gTriangleMeshInterface, dmaPpuAddress2 , dmaSize, DMA_TAG(1), 0, 0);
lsMemPtr->gTriangleMeshInterfacePtr = (btTriangleIndexVertexArray*)cellDmaGetReadOnly(&lsMemPtr->gTriangleMeshInterfaceStorage, dmaPpuAddress2 , dmaSize, DMA_TAG(1), 0, 0);
//cellDmaWaitTagStatusAll(DMA_MASK(1));
@@ -611,7 +612,7 @@ void ProcessConvexConcaveSpuCollision(SpuCollisionPairInput* wuInput, CollisionT
BvhSubtreeInfoArray& subTrees = lsMemPtr->getOptimizedBvh()->getSubtreeInfoArray();
spuNodeCallback nodeCallback(wuInput,lsMemPtr,spuContacts);
IndexedMeshArray& indexArray = lsMemPtr->gTriangleMeshInterface.getIndexedMeshArray();
IndexedMeshArray& indexArray = lsMemPtr->gTriangleMeshInterfacePtr->getIndexedMeshArray();
//spu_printf("SPU:indexArray.size() = %d\n",indexArray.size());