[Mesa-dev] [Bug 46631] It's really hard to hit the fast path for the fallback glReadPixels code

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=46631

--- Comment #12 from Marek Olšák <maraeo at gmail.com> 2012-02-27 07:10:20 PST ---
(In reply to comment #10)
> I've filed a separate bug for the problem with luminance as bug 46679.
> 
> I tried running the patch with piglit and the following four tests regressed:
> 
> glsl-fs-fragcoord
> glsl-fs-sqrt-zero
> fbo-generatemipmap-formats
> time-elapsed
> 
> However if I run them by hand with the command line it shows they all pass. Is
> running piglit normally pretty reliable? I haven't really used it that much.

Piglit may randomly fail some tests due to driver bugs (e.g. synchronization
issues). It's quite common with some drivers.

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