Requesting write access
Requested write access on the old system, was directed here. My request from before is below.
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Hey, I'm Alex from the NVIDIA Linux graphics driver team.
As you may know, currently, fading coronas based on visibility requires synchronous rendering because of the CPU-round trip involved with query objects.
However, the extension ARB_query_buffer_object (https://www.opengl.org/registry/specs/ARB/query_buffer_object.txt) allows for query results to be stored in a buffer on the GPU for use in a shader. Using this, it is possible to move corona fading to the fragment shader and prevent synchronous rendering.
I have implemented this change locally, and ran a benchmark on Ultra at 1920x1200 on my test machine. Before the change, it gets an average of 233 fps. After the change, 387 fps. Quite a difference. I'd like to contribute this change, so would you mind granting me write access?
Thanks, Alex
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