[Bug 59322] New: r300g MSAA breaks Half-Life 2 in Wine

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=59322

          Priority: medium
            Bug ID: 59322
          Assignee: dri-devel at lists.freedesktop.org
           Summary: r300g MSAA breaks Half-Life 2 in Wine
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: stefandoesinger at gmx.at
          Hardware: Other
            Status: NEW
           Version: git
         Component: Drivers/Gallium/r300
           Product: Mesa

When MSAA is enabled in Half-Life 2 running in Wine, the window only contains
garbled output. Disabling multisampling in Wine or in the game settings
restores proper rendering.

A complication is that the game enables 2x MSAA by default if it is available.
A user not knowing this fact will think that 8ed6b140 broke the game. It also
makes disabling multisampling in the game settings a challenge.

Hardware info:
OpenGL vendor string: X.Org R300 Project
OpenGL renderer string: Gallium 0.4 on ATI RV530
OpenGL version string: 2.1 Mesa 9.1-devel (git-8ed6b14)
OpenGL shading language version string: 1.20

01:00.0 VGA compatible controller: Advanced Micro Devices [AMD] nee ATI M56P
[Radeon Mobility X1600]
01:00.0 0300: 1002:71c5

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