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OpenCL GPU rigid body pipeline2: initialize the host/gpu velocities so that the demo also works with NVIDIA GPUs

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(apparently AMD Radeon initializes the memory with zero, hiding this bug)
This commit is contained in:
erwin.coumans
2012-04-10 23:36:07 +00:00
parent 8453942546
commit ec734ada87
1 changed files with 9 additions and 5 deletions
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14
Extras/RigidBodyGpuPipeline/opencl/gpu_rigidbody_pipeline2/CLPhysicsDemo.cpp
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@@ -98,6 +98,12 @@ struct InternalData
m_linVelHost= new btVector3[MAX_CONVEX_BODIES_CL]; m_linVelHost= new btVector3[MAX_CONVEX_BODIES_CL];
m_angVelHost = new btVector3[MAX_CONVEX_BODIES_CL]; m_angVelHost = new btVector3[MAX_CONVEX_BODIES_CL];
m_bodyTimesHost = new float[MAX_CONVEX_BODIES_CL]; m_bodyTimesHost = new float[MAX_CONVEX_BODIES_CL];
for (int i=0;i<MAX_CONVEX_BODIES_CL;i++)
{
m_linVelHost[i].setZero();
m_angVelHost[i].setZero();
m_bodyTimesHost[i] = 0.f;
}
} }
~InternalData() ~InternalData()
{ {
@@ -146,8 +152,6 @@ void InitCL(int preferredDeviceIndex, int preferredPlatformIndex, bool useIntero
if (numDev>0) if (numDev>0)
{ {
g_device= btOpenCLUtils::getDevice(g_cxMainContext,0); g_device= btOpenCLUtils::getDevice(g_cxMainContext,0);
btOpenCLDeviceInfo clInfo;
btOpenCLUtils::getDeviceInfo(g_device,clInfo);
btOpenCLUtils::printDeviceInfo(g_device); btOpenCLUtils::printDeviceInfo(g_device);
g_cqCommandQue = clCreateCommandQueue(g_cxMainContext, g_device, 0, &ciErrNum); g_cqCommandQue = clCreateCommandQueue(g_cxMainContext, g_device, 0, &ciErrNum);
oclCHECKERROR(ciErrNum, CL_SUCCESS); oclCHECKERROR(ciErrNum, CL_SUCCESS);
@@ -282,14 +286,14 @@ void CLPhysicsDemo::init(int preferredDevice, int preferredPlatform, bool useInt
m_data->m_linVelBuf = new adl::Buffer<btVector3>(g_deviceCL,MAX_CONVEX_BODIES_CL); m_data->m_linVelBuf = new adl::Buffer<btVector3>(g_deviceCL,MAX_CONVEX_BODIES_CL);
m_data->m_angVelBuf = new adl::Buffer<btVector3>(g_deviceCL,MAX_CONVEX_BODIES_CL); m_data->m_angVelBuf = new adl::Buffer<btVector3>(g_deviceCL,MAX_CONVEX_BODIES_CL);
m_data->m_bodyTimes = new adl::Buffer<float>(g_deviceCL,MAX_CONVEX_BODIES_CL); m_data->m_bodyTimes = new adl::Buffer<float>(g_deviceCL,MAX_CONVEX_BODIES_CL);
m_data->m_localShapeAABB = new adl::Buffer<btAABBHost>(g_deviceCL,MAX_CONVEX_SHAPES_CL); m_data->m_localShapeAABB = new adl::Buffer<btAABBHost>(g_deviceCL,MAX_CONVEX_SHAPES_CL);
gLinVelMem = (cl_mem)m_data->m_linVelBuf->m_ptr; gLinVelMem = (cl_mem)m_data->m_linVelBuf->m_ptr;
gAngVelMem = (cl_mem)m_data->m_angVelBuf->m_ptr; gAngVelMem = (cl_mem)m_data->m_angVelBuf->m_ptr;
gBodyTimes = (cl_mem)m_data->m_bodyTimes->m_ptr; gBodyTimes = (cl_mem)m_data->m_bodyTimes->m_ptr;
writeVelocitiesToGpu();
narrowphaseAndSolver = new btGpuNarrowphaseAndSolver(g_deviceCL); narrowphaseAndSolver = new btGpuNarrowphaseAndSolver(g_deviceCL);
@@ -526,4 +530,4 @@ void CLPhysicsDemo::stepSimulation()
} }
} }