[Mesa-dev] [Bug 35244] New: r600g/swrast: piglit regression

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Sat Mar 12 03:24:13 PST 2011


           Summary: r600g/swrast: piglit regression
           Product: Mesa
           Version: git
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Mesa core
        AssignedTo: mesa-dev at lists.freedesktop.org
        ReportedBy: monraaf at gmail.com

Hi, I'm seeing a piglit regression on r600g with:


and on swrast with:


git bisect says:

7cb87dffce2c7a37f960f3a865cf92fd193dd8c5 is the first bad commit
commit 7cb87dffce2c7a37f960f3a865cf92fd193dd8c5
Author: Eric Anholt <eric at anholt.net>
Date:   Mon Nov 1 13:16:21 2010 -0700

    mesa: Convert fixed function fragment program generator to GLSL IR.

    This is a step towards providing a direct route for drivers accepting
    GLSL IR for codegen.  Perhaps more importantly, it runs the fixed
    function fragment program through the GLSL IR optimization.  Having
    seen how easy it is to make ugly fixed function texenv code that can
    do unnecessary work, this may improve real applicatinos.

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