CudaGraphicsResource.h

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/* This file is part of COVISE.
 
You can use it under the terms of the GNU Lesser General Public License
version 2.1 or later, see lgpl-2.1.txt.
 
* License: LGPL 2+ */
 
#ifdef HAVE_CUDA
 
#ifndef CUDAGRAPHICSRESOURCE_H
#define CUDAGRAPHICSRESOURCE_H
 
#include <cuda_runtime_api.h>
 
#include <util/coExport.h>
 
 
namespace opencover
{
 
class CudaGraphicsResource
{
public:
 
    CudaGraphicsResource();
    ~CudaGraphicsResource();
 
    CudaGraphicsResource(CudaGraphicsResource&) = delete;
    CudaGraphicsResource& operator=(CudaGraphicsResource&) = delete;
 
    cudaGraphicsResource_t get() const;
 
    cudaError_t register_buffer(unsigned buffer, cudaGraphicsRegisterFlags flags = cudaGraphicsRegisterFlagsNone);
    cudaError_t register_image(unsigned image, unsigned target, cudaGraphicsRegisterFlags flags = cudaGraphicsRegisterFlagsNone);
    cudaError_t unregister();
 
    void* map(size_t* size);
    void* map();
    void unmap();
 
    void* dev_ptr() const;
 
private:
    cudaGraphicsResource_t m_resource;
    void* m_devPtr;
 
};
 
}
 
#endif
 
#endif