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work towards re-enabling GPU grid broadphase (in addition to GPU sap bp)

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This commit is contained in:
erwin coumans
2013-11-10 23:19:51 -08:00
parent b0c43520e3
commit d13de109a5
4 changed files with 33 additions and 11 deletions
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12
src/Bullet3OpenCL/BroadphaseCollision/kernels/gridBroadphase.cl
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@@ -150,12 +150,12 @@ void findPairsInCell( int numObjects,
if (pairCount)
{
int handleIndex2 = as_int(min1.w);
//if (handleIndex<handleIndex2)
if (handleIndex<handleIndex2)
{
int curPair = atomic_add(pairCount,1);
int4 newpair;
newpair.x = handleIndex2;
newpair.y = handleIndex;
newpair.x = handleIndex;
newpair.y = handleIndex2;
newpair.z = -1;
newpair.w = -1;
pPairBuff2[curPair] = newpair;
@@ -226,13 +226,13 @@ __kernel void kFindOverlappingPairs( int numObjects,
int4 gridPosA = getGridPos(pos, pParams);
int4 gridPosB;
// examine only neighbouring cells
for(int z=0; z<=1; z++)
for(int z=-1; z<=1; z++)
{
gridPosB.z = gridPosA.z + z;
for(int y=0; y<=1; y++)
for(int y=-1; y<=1; y++)
{
gridPosB.y = gridPosA.y + y;
for(int x=0; x<=1; x++)
for(int x=-1; x<=1; x++)
{
gridPosB.x = gridPosA.x + x;
findPairsInCell(numObjects, gridPosB, index, pHash, pCellStart, pAABB, pPairBuff, pPairBuffStartCurr, pParams, pairCount,pPairBuff2);