Function hipGraphicsSubResourceGetMappedArray

hipamd/src/hip_gl.cpp:182–226

}

hipError_t hipGraphicsSubResourceGetMappedArray(hipArray_t* array, hipGraphicsResource_t resource,
                                                unsigned int arrayIndex, unsigned int mipLevel) {
  HIP_INIT_API(hipGraphicsSubResourceGetMappedArray, array, resource, arrayIndex, mipLevel);

  amd::Context& amdContext = *(hip::getCurrentDevice()->asContext());
  if (array == nullptr || resource == nullptr) {
    LogError("invalid array/resource");
    HIP_RETURN(hipErrorInvalidValue);
  }

  amd::Image* image = (reinterpret_cast<amd::Memory*>(resource))->asImage();
  if (image == nullptr) {
    LogError("invalid resource/image");
    HIP_RETURN(hipErrorInvalidValue);
  }
  // arrayIndex higher than zero not implmented
  if (arrayIndex > 0) {
    return hipErrorInvalidValue;
  }
  amd::Image* view = image->createView(amdContext, image->getImageFormat(), nullptr, mipLevel, 0);

  hipArray* myarray = new hipArray();

  myarray->data = as_cl<amd::Memory>(view);

  myarray->width = view->getWidth();
  myarray->height = view->getHeight();
  myarray->depth = view->getDepth();

  const cl_mem_object_type image_type =
      hip::getCLMemObjectType(myarray->width, myarray->height, myarray->depth, hipArrayDefault);
  myarray->type = image_type;
  amd::Image::Format f = image->getImageFormat();
  myarray->Format = hip::getCL2hipArrayFormat(f.image_channel_data_type);
  myarray->desc = hip::getChannelFormatDesc(f.getNumChannels(), myarray->Format);
  myarray->NumChannels = hip::getNumChannels(myarray->desc);
  myarray->isDrv = 0;
  myarray->textureType = 0;
  *array = myarray;
  {
    amd::ScopedLock lock(hip::hipArraySetLock);
    hip::hipArraySet.insert(*array);
  }
  HIP_RETURN(hipSuccess);
}

hipError_t hipGraphicsGLRegisterImage(hipGraphicsResource** resource, GLuint image, GLenum target,
                                      unsigned int flags) {