[Mesa-dev] [Bug 33934] glBlitFramebuffer could have a fast path if there's no scaling

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Sun Feb 6 06:40:45 PST 2011


--- Comment #2 from Marek Olšák <maraeo at gmail.com> 2011-02-06 06:40:45 PST ---
Both r300g and r600g use a 3D blit (by drawing a textured quad), scaling or no
scaling, it doesn't matter. AFAIK, r600g has no other way to do a blit. Your
commit would not change anything on this hardware.

Since the BlitFramebuffer function in st/mesa is simpler than CopyTexSubImage,
I don't consider this an enhancement.

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