[Bug 41613] New: [r300g] Latest Mesa breaks Wine - "Bad vertex format"

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=41613

           Summary: [r300g] Latest Mesa breaks Wine - "Bad vertex format"
           Product: Mesa
           Version: git
          Platform: x86 (IA32)
        OS/Version: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: Drivers/Gallium/r300
        AssignedTo: dri-devel at lists.freedesktop.org
        ReportedBy: rankincj at googlemail.com


Trying to run Wine against the latest Mesa causes this error message:

r300: Bad vertex format r32g32b32a32_sint.
err:module:attach_process_dlls "opengl32.dll" failed to initialize, aborting
err:module:LdrInitializeThunk Main exe initialization for L"H:\\World of
Warcraft\\Wow.exe" failed, status 80000101

The following commit seems to be responsible:

commit 4e28e6f6c777841b9ffe7a7ad1e865e2595f70f9
Author: Dave Airlie <airlied at redhat.com>
Date:   Mon Sep 26 19:05:18 2011 +0100

    u_blitter: add integer clear support

    We need add a new set of fragment shader variants, along with new vertex
    elements for signed and unsigned clears.

    The new fragment shader variants are due to the integers values requiring
    CONSTANT interpolation. The new vertex element descriptions are for passing
    the clear color as an unsigned or signed integer value.

    Signed-off-by: Dave Airlie <airlied at redhat.com>

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