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add OpenCL PairBench (missing GUI, so not really useful)

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erwincoumans
2015-05-01 00:18:49 -07:00
parent aec360f158
commit aad9a5a396
9 changed files with 1174 additions and 3 deletions
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79
examples/OpenCL/broadphase/pairsKernel.cl Normal file
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__kernel void moveObjectsKernel(__global float4* posOrnColors, int numObjects)
{
int iGID = get_global_id(0);
if (iGID>=numObjects)
return;
__global float4* positions = &posOrnColors[0];
if (iGID<0.5*numObjects)
{
positions[iGID].y +=0.01f;
}
__global float4* colors = &posOrnColors[numObjects*2];
colors[iGID] = (float4)(0,0,1,1);
}
__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-indexOffset;
int iObjectB = pairs[iPairId].y-indexOffset;
colors[iObjectA] = (float4)(1,0,0,1);
colors[iObjectB] = (float4)(1,0,0,1);
}
__kernel void
sineWaveKernel( __global float4* posOrnColors, __global float* pBodyTimes,float timeStepPos, float mAmplitude,const int numNodes)
{
int nodeID = get_global_id(0);
if( nodeID < numNodes )
{
pBodyTimes[nodeID] += timeStepPos;
float4 position = posOrnColors[nodeID];
position.x = native_cos(pBodyTimes[nodeID]*2.17f)*mAmplitude + native_sin(pBodyTimes[nodeID])*mAmplitude*0.5f;
position.y = native_cos(pBodyTimes[nodeID]*1.38f)*mAmplitude + native_sin(pBodyTimes[nodeID]*mAmplitude);
position.z = native_cos(pBodyTimes[nodeID]*2.17f)*mAmplitude + native_sin(pBodyTimes[nodeID]*0.777f)*mAmplitude;
posOrnColors[nodeID] = position;
__global float4* colors = &posOrnColors[numNodes*2];
colors[nodeID] = (float4)(0,0,1,1);
}
}
typedef struct
{
float fx;
float fy;
float fz;
int uw;
} b3AABBCL;
__kernel void updateAabbSimple( __global float4* posOrnColors, const int numNodes, __global b3AABBCL* pAABB)
{
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 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 = 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 = orgBroadphaseIndex;
}
}