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Synchronize changes from branches/GpuClothAMD to trunk

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Main improvements are: GPU cloth collision detection against a capsule shape
,OpenCL-OpenGL interoperability (keeping data buffers on GPU), and bug fixes
Thanks to Lee Howes
This commit is contained in:
erwin.coumans
2011-02-27 09:07:07 +00:00
parent ec1bd45f4f
commit d52f58edd8
37 changed files with 3267 additions and 2481 deletions
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27
Demos/SharedOpenCL/btOclUtils.cpp
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@@ -87,7 +87,32 @@ cl_device_id btOclGetMaxFlopsDev(cl_context cxMainContext)
cl_uint clock_frequency;
clGetDeviceInfo(cdDevices[current_device], CL_DEVICE_MAX_CLOCK_FREQUENCY, sizeof(clock_frequency), &clock_frequency, NULL);
max_flops = compute_units * clock_frequency;
cl_device_type device_type;
clGetDeviceInfo(cdDevices[current_device], CL_DEVICE_TYPE, sizeof(device_type), &device_type, NULL);
int SIMDmultiplier = 1;
if( device_type == CL_DEVICE_TYPE_CPU )
{
// For simplicity assume that the CPU is running single SSE instructions
// This will of course depend on the kernel
SIMDmultiplier = 4;
} else if( device_type == CL_DEVICE_TYPE_GPU ) {
// Approximation to GPU compute power
// As long as this beats the CPU number that's the important thing, really
#if defined(CL_PLATFORM_AMD)
// 16 processing elements, 5 ALUs each
SIMDmultiplier = 80;
#elif defined(CL_PLATFORM_NVIDIA)
// 8 processing elements, dual issue - pre-Fermi at least
SIMDmultiplier = 16;
#else
SIMDmultiplier = 1;
#endif
}
max_flops = compute_units * clock_frequency * SIMDmultiplier;
++current_device;
while( current_device < device_count )