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<base href="https://bugs.freedesktop.org/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
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<th>Priority</th>
<td>high
</td>
</tr>
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [ILK/SNB Bisected]Piglit shaders_glsl-fs-copy-propagation-texcoords-1 fails"
href="https://bugs.freedesktop.org/show_bug.cgi?id=80211">80211</a>
</td>
</tr>
<tr>
<th>CC</th>
<td>idr@freedesktop.org
</td>
</tr>
<tr>
<th>Assignee</th>
<td>mattst88@gmail.com
</td>
</tr>
<tr>
<th>Summary</th>
<td>[ILK/SNB Bisected]Piglit shaders_glsl-fs-copy-propagation-texcoords-1 fails
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>intel-3d-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Severity</th>
<td>major
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr>
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<th>OS</th>
<td>Linux (All)
</td>
</tr>
<tr>
<th>Reporter</th>
<td>huax.lu@intel.com
</td>
</tr>
<tr>
<th>Hardware</th>
<td>All
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Component</th>
<td>Drivers/DRI/i965
</td>
</tr>
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<th>Product</th>
<td>Mesa
</td>
</tr></table>
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<div>
<pre>System Environment:
--------------------------
Platform: Ironlake
Libdrm:
(master)libdrm-2.4.54-9-g8fc62ca8ac010659023bb63c4759eb683de4f9af
Mesa: (master)88b887faa9209a58d29c819e01f9ad37ebc99a36
Xserver:
(master)xorg-server-1.15.99.902-121-g2f5cf9ff9a0f713b7e038636484c77f113a5f10a
Xf86_video_intel:(master)2.99.912-77-gd49f53cc00258e3b1e1a898c02e219b336716002
Libva: (master)ce3315accf067115fbe22a13bf8689bab01da778
Libva_intel_driver:(master)745340dd013399f64507de73401ab3adb712dad5
Kernel: (drm-intel-nightly)fff6c5111af7356d3815521f597959554e7bc1cc
Bug detailed description:
-----------------------------
It fails on Ironlake and Sandybridge with mesa master branch, It works well on
10.2 branch.
Following cases also fail with same bisect commit:
shaders_glsl-fs-texture2d-dependent-1
shaders_glsl-fs-texture2d-dependent-2
shaders_glsl-fs-texture2d-masked-4
shaders_glsl-kwin-blur-1
shaders_glsl-kwin-blur-2
spec_ARB_fragment_program_fp-indirections2
Bisect shows: 35bc02dee8402bf9090b3e21efe2832828919b4f is the first bad commit
commit 35bc02dee8402bf9090b3e21efe2832828919b4f
Author: Matt Turner <<a href="mailto:mattst88@gmail.com">mattst88@gmail.com</a>>
AuthorDate: Fri Apr 11 12:26:25 2014 -0700
Commit: Matt Turner <<a href="mailto:mattst88@gmail.com">mattst88@gmail.com</a>>
CommitDate: Tue Jun 17 09:40:31 2014 -0700
i965/fs: Perform CSE on texture operations.
Helps Unigine Tropics and some (old) gstreamer shaders in shader-db.
instructions in affected programs: 792 -> 744 (-6.06%)
Reviewed-by: Kenneth Graunke <<a href="mailto:kenneth@whitecape.org">kenneth@whitecape.org</a>>
output:
Probe color at (249,0)
Expected: 1.000000 1.000000 0.000000
Observed: 0.000000 1.000000 0.000000
Probe color at (0,249)
Expected: 1.000000 0.000000 1.000000
Observed: 0.000000 0.000000 1.000000
PIGLIT: {'result': 'fail' }
Reproduce steps:
----------------------------
1. xinit
2. bin/shader_runner
tests/shaders/glsl-fs-copy-propagation-texcoords-1.shader_test -auto</pre>
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