[Mesa-dev] [Bug 29741] New: [glsl] wine with GLSL renders incompletely or not at all

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=29741

           Summary: [glsl] wine with GLSL renders incompletely or not at
                    all
           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: rubenf3000 at gmail.com


Altough not giving any compilation errors now, most GLSL shaders generated by
wine fail to render correctly.

In some applications/games, some objects are shown, others aren't. In some
games, nothing is rendered at all.

Testing a revision of git previous to the glsl2 merge, I found that this bug
happened exactly the same with the old GLSL compiler; this suggests that the
problem might not be the compiler per se, but the r300g driver executing the
resulting assembly incorrectly. The fact that the games render correctly with
the LLVMpipe software renderer seems to confirm this.

Graphics Card: ATI Technologies Inc RV505 [Radeon X1550 64-bit]
CPU: Intel Core Duo 1.8 Ghz, 2.5 GB RAM
Linux kernel 2.6.34, libdrm 2.4.21

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