cuda-samples/Samples/cudaNvSciNvMedia/cuda_consumer.h

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#ifndef __CUDA_BUFIMPORT_KERNEL_H__
#define __CUDA_BUFIMPORT_KERNEL_H__

#include <cuda_runtime.h>
#include "helper_cuda.h"
#include "nvmedia_image_nvscibuf.h"
#include "nvscisync.h"
#include "nvmedia_utils/cmdline.h"

struct cudaExternalResInterop {
  cudaMipmappedArray_t *d_mipmapArray;
  cudaArray_t *d_mipLevelArray;
  cudaSurfaceObject_t *cudaSurfaceNvmediaBuf;
  cudaStream_t stream;
  cudaExternalMemory_t extMemImageBuf;
  cudaExternalSemaphore_t waitSem;
  cudaExternalSemaphore_t signalSem;

  int32_t planeCount;
  uint64_t *planeOffset;
  int32_t *imageWidth;
  int32_t *imageHeight;
  unsigned int *d_outputImage;
};

struct cudaResources {
  cudaArray_t *d_yuvArray;
  cudaStream_t stream;
  cudaSurfaceObject_t *cudaSurfaceNvmediaBuf;
  unsigned int *d_outputImage;
};

void runCudaOperation(cudaExternalResInterop &cudaExtResObj,
                      NvSciSyncFence *fence, NvSciSyncFence *cudaSignalfence,
                      int deviceId, int iterations);
void runCudaOperation(Blit2DTest *ctx, cudaResources &cudaResObj, int deviceId);

void setupCuda(cudaExternalResInterop &cudaExtResObj, NvSciBufObj &inputBufObj,
               NvSciSyncObj &syncObj, NvSciSyncObj &cudaSignalerSyncObj,
               int deviceId);
void setupCuda(Blit2DTest *ctx, cudaResources &cudaResObj, int deviceId);
void cleanupCuda(cudaExternalResInterop &cudaObjs);
void cleanupCuda(Blit2DTest *ctx, cudaResources &cudaResObj);

#endif