[Bug 68901] New: wine/3DMark2001: shader generation fails

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=68901

          Priority: medium
            Bug ID: 68901
          Keywords: regression
          Assignee: dri-devel at lists.freedesktop.org
           Summary: wine/3DMark2001: shader generation fails
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: gurketsky at googlemail.com
               URL: http://www.futuremark.com/support/downloads
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: git
         Component: Drivers/Gallium/r600
           Product: Mesa

When running 3DMark2001 in wine (1.7.1), the r600 gallium driver (on RV710)
fails to generate some shaders. This is a regression:

3f67251e3d0ce61a0e7fc16de91de6fb49cad768 is the first bad commit
commit 3f67251e3d0ce61a0e7fc16de91de6fb49cad768
Author: Christian König <christian.koenig at amd.com>
Date:   Sun Mar 10 14:33:29 2013 +0100

    glsl_to_tgsi: allocate arrays separately v2

    Instead of allocating everything as temporaries, use the
    new array allocation functions.

    v2: fix bug in simplify_cmp, declare arrays on demand

    Signed-off-by: Christian König <christian.koenig at amd.com>

:040000 040000 75a734fc12e314c32a959f4111543ec518cb8a51
57eed35384ed9aadd89adfce1a075b4ad0a745cc M    src

The output when the shader generation fails is:
EE /mnt/raid0/software/mesa/git/src/gallium/drivers/r600/r600_shader.c:1886
r600_shader_from_tgsi - GPR limit exceeded - shader requires 129 registers
EE /mnt/raid0/software/mesa/git/src/gallium/drivers/r600/r600_shader.c:134
r600_pipe_shader_create - translation from TGSI failed !
EE
/mnt/raid0/software/mesa/git/src/gallium/drivers/r600/r600_state_common.c:750
r600_shader_select - Failed to build shader variant (type=0) -12
EE /mnt/raid0/software/mesa/git/src/gallium/drivers/r600/r600_shader.c:1886
r600_shader_from_tgsi - GPR limit exceeded - shader requires 129 registers
EE /mnt/raid0/software/mesa/git/src/gallium/drivers/r600/r600_shader.c:134
r600_pipe_shader_create - translation from TGSI failed !
EE
/mnt/raid0/software/mesa/git/src/gallium/drivers/r600/r600_state_common.c:750
r600_shader_select - Failed to build shader variant (type=0) -12

This is not a dupe of bug 62696 as the problem is still there with git version
6b5c802c30ada043ee31cc5e62249ff99bbc865f.

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