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Re-introduce GPU parallel Jacobi solver, called btGpuJacobiContactSolver. There are still some issues, but for basic scene's it works.

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To avoid confusion, rename GPU contact solver to btGpuContactSolver, and constraint (non-contact) solver to btPgsConstraintSolver.
This commit is contained in:
erwincoumans
2013-11-11 21:15:06 -08:00
parent ef6be5370d
commit 5ce0b3938f
19 changed files with 1557 additions and 58 deletions
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14
src/Bullet3OpenCL/NarrowphaseCollision/b3ConvexHullContact.cpp
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@@ -2815,6 +2815,7 @@ void GpuSatCollision::computeConvexConvexContactsGPUSAT( b3OpenCLArray<b3Int4>*
}
b3AlignedObjectArray<b3Contact4> oldHostContacts;
if (oldContacts->size())
{
oldContacts->copyToHost(oldHostContacts);
@@ -2897,11 +2898,11 @@ void GpuSatCollision::computeConvexConvexContactsGPUSAT( b3OpenCLArray<b3Int4>*
hostCollidables[collidableIndexB].m_shapeType == SHAPE_CONVEX_HULL)
{
//printf("hostPairs[i].z=%d\n",hostPairs[i].z);
int contactIndex = computeContactConvexConvex2(i,bodyIndexA,bodyIndexB,collidableIndexA,collidableIndexB,hostBodyBuf,
hostCollidables,hostConvexData,hostVertices,hostUniqueEdges,hostIndices,hostFaces,hostContacts,nContacts,maxContactCapacity,oldHostContacts);
//int contactIndex = computeContactConvexConvex(hostPairs,i,bodyIndexA,bodyIndexB,collidableIndexA,collidableIndexB,hostBodyBuf,
// hostCollidables,hostConvexData,hostVertices,hostUniqueEdges,hostIndices,hostFaces,hostContacts,nContacts,maxContactCapacity,
// oldHostContacts);
//int contactIndex = computeContactConvexConvex2(i,bodyIndexA,bodyIndexB,collidableIndexA,collidableIndexB,hostBodyBuf,
// hostCollidables,hostConvexData,hostVertices,hostUniqueEdges,hostIndices,hostFaces,hostContacts,nContacts,maxContactCapacity,oldHostContacts);
int contactIndex = computeContactConvexConvex(hostPairs,i,bodyIndexA,bodyIndexB,collidableIndexA,collidableIndexB,hostBodyBuf,
hostCollidables,hostConvexData,hostVertices,hostUniqueEdges,hostIndices,hostFaces,hostContacts,nContacts,maxContactCapacity,
oldHostContacts);
if (contactIndex>=0)
@@ -2926,6 +2927,9 @@ void GpuSatCollision::computeConvexConvexContactsGPUSAT( b3OpenCLArray<b3Int4>*
{
contactOut->copyFromHost(hostContacts);
} else
{
contactOut->resize(0);
}
return;