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Is it possible to assign the of a buffer to another buffer defined in OpenCL source code?
For example, consider the below code:
cl_mem buff;
cl_mem temp;
...
...
...
temp = buff;
Do I need to call clEnqueueBuffer() again?
You would need to copy buff to temp using clEnqueueCopyBuffer between your NDRange calls. I don’t recommend doing this if you can help it though. There should be no reason why you cant use the same buffer for NDRange calls unless you are needing it for something else in the meantime.