[Mesa-dev] [Bug 37150] sRGB textures are too bright in Starcraft 2

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Fri May 13 17:07:09 PDT 2011


--- Comment #9 from Marek Olšák <maraeo at gmail.com> 2011-05-13 17:07:09 PDT ---
(In reply to comment #8)
> Check piglit's fbo-srgb-blit, it makes the state tracker order a
> resource_copy_region between UNORM and SRGB which causes unwanted conversion if
> you do a normal oblivious 3D engine copy in your driver. The function isn't
> supposed to convert anything.

The u_blitter module linearizes the formats when creating sampler views and
surfaces. fbo-srgb-blit passes.

There is an unwanted conversion somewhere, but it's certainly not in

The fact David Mills observed the same issue on the NVIDIA blob suggests this
might not be a bug in Mesa.

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