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Add access to overlapping pairs b3OpenCLArray.

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Jackson Lee
2014-03-13 21:27:15 -07:00
parent 19b194e8fe
commit f324e66f86
9 changed files with 29 additions and 18 deletions
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8
src/Bullet3OpenCL/BroadphaseCollision/b3GpuParallelLinearBvh.h
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@@ -76,6 +76,7 @@ class b3GpuParallelLinearBvh
//1 element
b3OpenCLArray<int> m_rootNodeIndex; //Most significant bit(0x80000000) is set to indicate internal node
b3OpenCLArray<int> m_maxDistanceFromRoot; //Max number of internal nodes between an internal node and the root node
b3OpenCLArray<int> m_temp; //Used to hold the number of pairs in calculateOverlappingPairs()
//1 element per internal node (number_of_internal_nodes == number_of_leaves - 1)
b3OpenCLArray<b3SapAabb> m_internalNodeAabbs;
@@ -101,15 +102,14 @@ public:
b3GpuParallelLinearBvh(cl_context context, cl_device_id device, cl_command_queue queue);
virtual ~b3GpuParallelLinearBvh();
///Must be called before any other function
void build(const b3OpenCLArray<b3SapAabb>& worldSpaceAabbs, const b3OpenCLArray<int>& smallAabbIndices,
const b3OpenCLArray<int>& largeAabbIndices);
///b3GpuParallelLinearBvh::build() must be called before this function. calculateOverlappingPairs() uses
///the worldSpaceAabbs parameter of b3GpuParallelLinearBvh::build() as the query AABBs.
///@param out_numPairs If number of pairs exceeds the max number of pairs, this is clamped to the max number.
///calculateOverlappingPairs() uses the worldSpaceAabbs parameter of b3GpuParallelLinearBvh::build() as the query AABBs.
///@param out_overlappingPairs The size() of this array is used to determine the max number of pairs.
///If the number of overlapping pairs is < out_overlappingPairs.size(), out_overlappingPairs is resized.
void calculateOverlappingPairs(b3OpenCLArray<int>& out_numPairs, b3OpenCLArray<b3Int4>& out_overlappingPairs);
void calculateOverlappingPairs(b3OpenCLArray<b3Int4>& out_overlappingPairs);
///@param out_numRigidRayPairs Array of length 1; contains the number of detected ray-rigid AABB intersections;
///this value may be greater than out_rayRigidPairs.size() if out_rayRigidPairs is not large enough.