cudaError_t cudaGraphicsUnmapResources ( int  count,
cudaGraphicsResource_t resources,
cudaStream_t  stream = 0 

Unmaps the count graphics resources in resources.

Once unmapped, the resources in resources may not be accessed by CUDA until they are mapped again.

This function provides the synchronization guarantee that any CUDA work issued in stream before cudaGraphicsUnmapResources() will complete before any subsequently issued graphics work begins.

If resources contains any duplicate entries then cudaErrorInvalidResourceHandle is returned. If any of resources are not presently mapped for access by Cuda then cudaErrorUnknown is returned.

count - Number of resources to unmap
resources - Resources to unmap
stream - Stream for synchronization
cudaSuccess, cudaErrorInvalidResourceHandle, cudaErrorUnknown
Note that this function may also return error codes from previous, asynchronous launches.
See also:

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