* [Bug 50999] New: [r300g, bisected] piglit glsl-fs-discard-04 fails
@ 2012-06-12 2:31 bugzilla-daemon
2019-09-18 18:51 ` [Bug 50999] " bugzilla-daemon
0 siblings, 1 reply; 2+ messages in thread
From: bugzilla-daemon @ 2012-06-12 2:31 UTC (permalink / raw)
To: dri-devel
https://bugs.freedesktop.org/show_bug.cgi?id=50999
Bug #: 50999
Summary: [r300g, bisected] piglit glsl-fs-discard-04 fails
Classification: Unclassified
Product: Mesa
Version: git
Platform: Other
OS/Version: All
Status: NEW
Keywords: regression
Severity: normal
Priority: medium
Component: Drivers/Gallium/r300
AssignedTo: dri-devel@lists.freedesktop.org
ReportedBy: pavel.ondracka@email.cz
CC: eric@anholt.net, tstellar@gmail.com
Created attachment 62924
--> https://bugs.freedesktop.org/attachment.cgi?id=62924
RADEON_DEBUG=fp log
./bin/shader_runner tests/shaders/glsl-fs-discard-04.shader_test -auto -fbo
Probe at (0,0)
Expected: 0.000000 1.000000 0.000000 0.000000
Observed: 1.000000 0.000000 0.000000 0.000000
PIGLIT: {'result': 'fail' }
Regression test shows:
e21b9f1f19d2345026a7fbe095a776d0b64557ec is the first bad commit
commit e21b9f1f19d2345026a7fbe095a776d0b64557ec
Author: Eric Anholt <eric@anholt.net>
Date: Fri May 4 13:37:08 2012 -0700
glsl: Remove the opt_discard_simplification pass.
This conflicts with the GLSL 1.30+ rules for derivatives after a
discard has occurred.
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
llvmpipe works fine, so this may be another uncovered r300 compiler issue.
GPU:RV530
Kernel: 3.4.0-1.fc17.i686
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2012-06-12 2:31 [Bug 50999] New: [r300g, bisected] piglit glsl-fs-discard-04 fails bugzilla-daemon
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