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<base href="https://bugs.freedesktop.org/">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Radeonsi rendering corruption in unigine heaven (regression bissected)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=100936">100936</a>
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<th>Summary</th>
<td>Radeonsi rendering corruption in unigine heaven (regression bissected)
</td>
</tr>
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<th>Product</th>
<td>Mesa
</td>
</tr>
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<th>Version</th>
<td>git
</td>
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<th>Hardware</th>
<td>All
</td>
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<th>OS</th>
<td>Linux (All)
</td>
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<th>Status</th>
<td>NEW
</td>
</tr>
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<th>Severity</th>
<td>normal
</td>
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<th>Priority</th>
<td>medium
</td>
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<th>Component</th>
<td>Drivers/Gallium/radeonsi
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</tr>
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<th>Assignee</th>
<td>dri-devel@lists.freedesktop.org
</td>
</tr>
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<th>Reporter</th>
<td>maxijac@free.fr
</td>
</tr>
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<th>QA Contact</th>
<td>dri-devel@lists.freedesktop.org
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<pre>Created <span class=""><a href="attachment.cgi?id=131216" name="attach_131216" title="Heaven regression">attachment 131216</a> <a href="attachment.cgi?id=131216&action=edit" title="Heaven regression">[details]</a></span>
Heaven regression
Hello,
Current git has a regression in rendering of Heaven. (See screenshot)
This is visible on a RX 480 (POLARIS10).
I bissected the issue and the first bad commit is :
0bceefc29591d64d5d529a726e68b837f1f504b2 is the first bad commit
commit 0bceefc29591d64d5d529a726e68b837f1f504b2
Author: Samuel Pitoiset <<a href="mailto:samuel.pitoiset@gmail.com">samuel.pitoiset@gmail.com</a>>
Date: Tue Apr 25 00:31:48 2017 +0200
radeonsi: disable the TGSI merge registers pass
47109 shaders in 29632 tests
Totals:
SGPRS: 1917364 -> 1916620 (-0.04 %)
VGPRS: 1165802 -> 1165202 (-0.05 %)
Spilled SGPRs: 1880 -> 1843 (-1.97 %)
Spilled VGPRs: 70 -> 65 (-7.14 %)
Private memory VGPRs: 1184 -> 1184 (0.00 %)
Scratch size: 1312 -> 1308 (-0.30 %) dwords per thread
Code Size: 60211356 -> 60192268 (-0.03 %) bytes
LDS: 1077 -> 1077 (0.00 %) blocks
Max Waves: 428597 -> 428674 (0.02 %)
Wait states: 0 -> 0 (0.00 %)
Totals from affected shaders:
SGPRS: 238173 -> 237429 (-0.31 %)
VGPRS: 149556 -> 148956 (-0.40 %)
Spilled SGPRs: 1263 -> 1226 (-2.93 %)
Spilled VGPRs: 25 -> 20 (-20.00 %)
Private memory VGPRs: 0 -> 0 (0.00 %)
Scratch size: 20 -> 16 (-20.00 %) dwords per thread
Code Size: 10457904 -> 10438816 (-0.18 %) bytes
LDS: 50 -> 50 (0.00 %) blocks
Max Waves: 41283 -> 41360 (0.19 %)
Wait states: 0 -> 0 (0.00 %)
Signed-off-by: Samuel Pitoiset <<a href="mailto:samuel.pitoiset@gmail.com">samuel.pitoiset@gmail.com</a>>
Reviewed-by: Nicolai Hähnle <<a href="mailto:nicolai.haehnle@amd.com">nicolai.haehnle@amd.com</a>>
Reviewed-by: Marek Olšák <<a href="mailto:marek.olsak@amd.com">marek.olsak@amd.com</a>>
Reverting this small commit on top of master fixes the regression.</pre>
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