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allow PairBenchmark to select broadphase type, with cpu brute-force, gpu brute-force etc

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fix issue in PairBench, related to index offset
allow to add a large AABB in PairBench, to see the effect on the broadphase pair search performance
This commit is contained in:
erwin coumans
2014-01-28 17:11:56 -08:00
parent 71f0537c6e
commit 33ebebd1c9
10 changed files with 413 additions and 114 deletions
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21
Demos3/GpuDemos/broadphase/pairsKernel.cl
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@@ -12,15 +12,15 @@ __kernel void moveObjectsKernel(__global float4* posOrnColors, int numObjects)
colors[iGID] = (float4)(0,0,1,1);
}
__kernel void colorPairsKernel(__global float4* posOrnColors, int numObjects, __global const int4* pairs, int numPairs)
__kernel void colorPairsKernel2(__global float4* posOrnColors, int numObjects, __global const int4* pairs, int indexOffset, int numPairs)
{
int iPairId = get_global_id(0);
if (iPairId>=numPairs)
return;
__global float4* colors = &posOrnColors[numObjects*2];
int iObjectA = pairs[iPairId].x;
int iObjectB = pairs[iPairId].y;
int iObjectA = pairs[iPairId].x-indexOffset;
int iObjectB = pairs[iPairId].y-indexOffset;
colors[iObjectA] = (float4)(1,0,0,1);
colors[iObjectB] = (float4)(1,0,0,1);
}
@@ -56,15 +56,24 @@ __kernel void updateAabbSimple( __global float4* posOrnColors, const int numNode
int nodeId = get_global_id(0);
if( nodeId < numNodes )
{
b3AABBCL orgAabbMin = pAABB[nodeId*2];
b3AABBCL orgAabbMax = pAABB[nodeId*2+1];
int orgNodeId = orgAabbMin.uw;
int orgBroadphaseIndex = orgAabbMax.uw;
float4 position = posOrnColors[nodeId];
float4 halfExtents = (float4)(1.01f,1.01f,1.01f,0.f);
float4 argAabbMinVec = (float4)(orgAabbMin.fx,orgAabbMin.fy,orgAabbMin.fz,0.f);
float4 argAabbMaxVec = (float4)(orgAabbMax.fx,orgAabbMax.fy,orgAabbMax.fz,0.f);
float4 halfExtents = 0.5f*(argAabbMaxVec-argAabbMinVec);
pAABB[nodeId*2].fx = position.x-halfExtents.x;
pAABB[nodeId*2].fy = position.y-halfExtents.y;
pAABB[nodeId*2].fz = position.z-halfExtents.z;
pAABB[nodeId*2].uw = nodeId;
pAABB[nodeId*2].uw = orgNodeId;
pAABB[nodeId*2+1].fx = position.x+halfExtents.x;
pAABB[nodeId*2+1].fy = position.y+halfExtents.y;
pAABB[nodeId*2+1].fz = position.z+halfExtents.z;
pAABB[nodeId*2+1].uw = nodeId;
pAABB[nodeId*2+1].uw = orgBroadphaseIndex;
}
}