void BVH4HairBuilder::allocateData(const size_t threadCount, const size_t totalNumPrimitives)
{
DBG(PING);
size_t numPrimitivesOld = numPrimitives;
numPrimitives = totalNumPrimitives;
if (numPrimitivesOld != numPrimitives)
{
const size_t numPrims = numPrimitives;
const size_t minAllocNodes = (threadCount+1) * ALLOCATOR_NODE_BLOCK_SIZE;
size_t numNodes = (size_t)((numPrims+1)/2 * BVH4HAIR_NODE_PREALLOC_FACTOR) + minAllocNodes;
if (numPrimitives == 0) numNodes = 0;
allocateMemoryPools(numPrims,numNodes);
}
}
void BVH4mbBuilder::allocateData(const size_t threadCount, const size_t totalNumPrimitives)
{
DBG(PING);
size_t numPrimitivesOld = numPrimitives;
numPrimitives = totalNumPrimitives;
DBG(DBG_PRINT(numPrimitives));
if (numPrimitivesOld != numPrimitives)
{
const size_t numPrims = numPrimitives+4;
const size_t minAllocNodes = numPrims ? threadCount * ALLOCATOR_NODE_BLOCK_SIZE * 4: 16;
const size_t numNodes = max((size_t)(numPrims * BVH_NODE_PREALLOC_FACTOR),minAllocNodes);
allocateMemoryPools(numPrims,numNodes,sizeof(BVH4i::Node),sizeof(BVH4mb::Triangle01));
}
}
void BVH4mbBuilder::allocateData(const size_t threadCount, const size_t totalNumPrimitives)
{
DBG(PING);
size_t numPrimitivesOld = numPrimitives;
numPrimitives = totalNumPrimitives;
DBG(PRINT(numPrimitives));
if (numPrimitivesOld != numPrimitives)
{
const size_t numPrims = numPrimitives+4;
const size_t minAllocNodes = (threadCount+1) * 2 * ALLOCATOR_NODE_BLOCK_SIZE;
const size_t numNodes = max((size_t)((numPrims+3)/4),minAllocNodes);
allocateMemoryPools(numPrims,numNodes,sizeof(BVH4mb::Node),sizeof(BVH4mb::Triangle01));
}
}
