OpenSubdiv/opensubdiv/osd/ompComputeController.h
manuelk 10c687ecd5 Release Candidate 1.0 :
- [Feature Adaptive GPU Rendering of Catmull-Clark Surfaces](http://research.microsoft.com/en-us/um/people/cloop/tog2012.pdf).

- New API architecture : we are planning to lock on to this new framework as the basis for backward compatibility, which we will enforce from Release 1.0 onward. Subsequent releases of OpenSubdiv should not break client code.

- DirectX 11 support

- and much more...
2012-12-10 17:15:13 -08:00

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//
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#ifndef OSD_OMP_COMPUTE_CONTROLLER_H
#define OSD_OMP_COMPUTE_CONTROLLER_H
#include "../version.h"
#include "../osd/cpuComputeContext.h"
#include "../osd/ompDispatcher.h"
#ifdef OPENSUBDIV_HAS_OPENMP
#include <omp.h>
#endif
namespace OpenSubdiv {
namespace OPENSUBDIV_VERSION {
/// \brief Compute controller for launching OpenMP subdivision kernels.
/// OsdOmpComputeController is a compute controller class to launch
/// OpenMP threaded subdivision kernels. It requires OsdCpuVertexBufferInterface
/// as arguments of Refine function.
class OsdOmpComputeController {
public:
typedef OsdCpuComputeContext ComputeContext;
/// Constructor.
/// numThreads specifies how many threads to be used in openmp parallel
/// execution. numThreads=-1 means to use available number of processors.
explicit OsdOmpComputeController(int numThreads=-1);
/// Launch subdivision kernels and apply to given vertex buffers.
/// vertexBuffer will be interpolated with vertex interpolation and
/// varyingBuffer will be interpolated with varying interpolation.
/// vertexBuffer and varyingBuffer should implement
/// OsdCpuVertexBufferInterface.
template<class VERTEX_BUFFER, class VARYING_BUFFER>
void Refine(OsdCpuComputeContext *context,
VERTEX_BUFFER *vertexBuffer,
VARYING_BUFFER *varyingBuffer) {
omp_set_num_threads(_numThreads);
context->Bind(vertexBuffer, varyingBuffer);
OsdOmpKernelDispatcher::GetInstance()->Refine(context->GetFarMesh(),
context);
context->Unbind();
}
template<class VERTEX_BUFFER>
void Refine(OsdCpuComputeContext *context, VERTEX_BUFFER *vertexBuffer) {
Refine(context, vertexBuffer, (VERTEX_BUFFER*)0);
}
/// Waits until all running subdivision kernels finish.
void Synchronize();
private:
int _numThreads;
};
} // end namespace OPENSUBDIV_VERSION
using namespace OPENSUBDIV_VERSION;
} // end namespace OpenSubdiv
#endif // OSD_OMP_COMPUTE_CONTROLLER_H