I am having an issue with a memory leak in an OpenCL program I am testing.
In the program I call the same kernel repeatedly, for every pixel in an image.
(Probably not the most efficient code, but it is a learning/testing thing.)
One thing in particular I have not yet been able to figure out, is what
releases the reference counts for the shader->kernel_param resource created in
evergreen_compute_upload_input().
Tracing through the calls:
evergreen_compute_upload_input()
evergreen_cs_set_constant_buffer()
r600_set_constant_buffer()
I can see that if r600_set_constant_buffer() is passed a null
pipe_constant_buffer input, that it would reset the stat masks and make the
call to pipe_resource_reference() with a NULL, to decrement the count.
But I don't see where that would happen.
I am thinking that perhaps there should be something to release the reference
count for that buffer, either after the evergreen_launch_grid() call, or
perhaps as the last thing within that call, after the compute_emit_cs() call.
Or, is this call happening somewhere else that I haven't found?
Thanks,
Al Dorrington
Software Engineer Sr
Lockheed Martin, Mission Systems and Training
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