- Deprecated:
- This function is deprecated as of Cuda 3.0.
Registers the Direct3D resource
pResource
for access by CUDA.
If this call is successful, then the application will be able to map and unmap this resource until it is unregistered through cudaD3D9UnregisterResource(). Also on success, this call will increase the internal reference count on pResource
. This reference count will be decremented when this resource is unregistered through cudaD3D9UnregisterResource().
This call is potentially high-overhead and should not be called every frame in interactive applications.
The type of pResource
must be one of the following.
- IDirect3DVertexBuffer9: No notes.
- IDirect3DIndexBuffer9: No notes.
- IDirect3DSurface9: Only stand-alone objects of type IDirect3DSurface9 may be explicitly shared. In particular, individual mipmap levels and faces of cube maps may not be registered directly. To access individual surfaces associated with a texture, one must register the base texture object.
- IDirect3DBaseTexture9: When a texture is registered, all surfaces associated with all mipmap levels of all faces of the texture will be accessible to CUDA.
The flags
argument specifies the mechanism through which CUDA will access the Direct3D resource. The following value is allowed:
Not all Direct3D resources of the above types may be used for interoperability with CUDA. The following are some limitations:
- The primary rendertarget may not be registered with CUDA.
- Resources allocated as shared may not be registered with CUDA.
- Any resources allocated in D3DPOOL_SYSTEMMEM or D3DPOOL_MANAGED may not be registered with CUDA.
- Textures which are not of a format which is 1, 2, or 4 channels of 8, 16, or 32-bit integer or floating-point data cannot be shared.
- Surfaces of depth or stencil formats cannot be shared.
If Direct3D interoperability is not initialized on this context, then cudaErrorInvalidDevice is returned. If pResource
is of incorrect type (e.g, is a non-stand-alone IDirect3DSurface9) or is already registered, then cudaErrorInvalidResourceHandle is returned. If pResource
cannot be registered then cudaErrorUnknown is returned.
- Parameters:
-
| pResource | - Resource to register |
| flags | - Parameters for resource registration |
- Returns:
- cudaSuccess, cudaErrorInvalidValue, cudaErrorInvalidResourceHandle, cudaErrorUnknown
- Note:
- Note that this function may also return error codes from previous, asynchronous launches.
- See also:
- cudaGraphicsD3D9RegisterResource