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<base href="https://bugs.freedesktop.org/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Priority</th>
<td>high
</td>
</tr>
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [Bisected]Rendercheck blend fails"
href="https://bugs.freedesktop.org/show_bug.cgi?id=79572">79572</a>
</td>
</tr>
<tr>
<th>Assignee</th>
<td>chris@chris-wilson.co.uk
</td>
</tr>
<tr>
<th>Summary</th>
<td>[Bisected]Rendercheck blend fails
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Severity</th>
<td>major
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<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>Driver/intel
</td>
</tr>
<tr>
<th>Product</th>
<td>xorg
</td>
</tr></table>
<p>
<div>
<pre>System Environment:
--------------------------
Platform: Ivybridge
Libdrm:
(master)libdrm-2.4.54-9-g8fc62ca8ac010659023bb63c4759eb683de4f9af
Mesa: (master)84e0a5c406f2a8f060352eaa4b5c138e3f1a5a86
Xserver:
(master)xorg-server-1.15.99.902-97-gdb2e708f31a162c6c66643d3559dd5f3e21ee06b
Xf86_video_intel:(master)2.99.911-225-gffbe0aa1851c35cc2403633ca493e9fc6a471fd4
Libva: (staging)35e70cb9b9c77dfb99fb370e319ed501f0c31b17
Libva_intel_driver: (staging)fbbe401aa28a0b3859d587ef08f0df15a2f7c8f2
Kernel: (drm-intel-nightly)085391259463f3bda367fc3e078504d83cd8dc0e
Bug detailed description:
-----------------------------
It fails on all platforms with Xf86_video_intel master branch.
triangles also fails.
Bisect shows:961139f5878572ebea268a0bbf47caf05af9093f is the first bad commit
commit 961139f5878572ebea268a0bbf47caf05af9093f
Author: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>>
AuthorDate: Fri May 30 09:45:15 2014 +0100
Commit: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>>
CommitDate: Fri May 30 23:14:15 2014 +0100
sna: Use manual detiling for downloads
If we can CPU mmap the GPU bo, prefer to do so for migration to the CPU
as this saves an extra serialisation step.
Signed-off-by: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>>
output:
rendercheck 1.4
Render extension version 0.11
Window format: r8g8b8
Found server-supported format: a8
Found server-supported format: a8r8g8b8
Found server-supported format: x8r8g8b8
Found server-supported format: b8g8r8a8
Found server-supported format: b8g8r8x8
Found server-supported format: r8g8b8
Found server-supported format: b8g8r8
Found server-supported format: r5g5b5
Found server-supported format: b5g5r5
Found server-supported format: x1r5g5b5
Found server-supported format: x1b5g5r5
Found server-supported format: r5g6b5
Found server-supported format: b5g6r5
Found server-supported format: x8b8g8r8
Found server-supported format: x2r10g10b10
Found server-supported format: x2b10g10r10
Beginning blend test on a8
Beginning blend test on a8r8g8b8
Beginning blend test on x8r8g8b8
Beginning blend test on b8g8r8a8
Src blend test error of 255.0000 at (0, 0) --
R G B A
got: 0.000 0.000 0.000 0.000
expected: 0.000 0.000 0.000 1.000
src color: 0.00 0.00 0.00 1.00 (a8)
dst color: 0.00 0.00 0.00 1.00
src: 1x1R a8, dst: b8g8r8a8
Beginning blend test on b8g8r8x8
Src blend test error of 255.0000 at (0, 0) --
R G B A
got: 0.000 0.000 0.000 1.000
expected: 1.000 1.000 1.000 1.000
src color: 1.00 1.00 1.00 1.00 (a8r8g8b8)
dst color: 1.00 1.00 1.00 1.00
src: 1x1R a8r8g8b8, dst: b8g8r8x8
Beginning blend test on r8g8b8
Beginning blend test on b8g8r8
Beginning blend test on r5g5b5
Beginning blend test on b5g5r5
Src blend test error of 31.0000 at (0, 0) --
R G B A
got: 0.000 0.000 0.000 1.000
expected: 1.000 1.000 1.000 1.000
src color: 1.00 1.00 1.00 1.00 (a8r8g8b8)
dst color: 1.00 1.00 1.00 1.00
src: 1x1R a8r8g8b8, dst: b5g5r5
Beginning blend test on x1r5g5b5
Beginning blend test on x1b5g5r5
Src blend test error of 31.0000 at (0, 0) --
R G B A
got: 0.000 0.000 0.000 1.000
expected: 1.000 1.000 1.000 1.000
src color: 1.00 1.00 1.00 1.00 (a8r8g8b8)
dst color: 1.00 1.00 1.00 1.00
src: 1x1R a8r8g8b8, dst: x1b5g5r5
Beginning blend test on r5g6b5
Beginning blend test on b5g6r5
Src blend test error of 63.0000 at (0, 0) --
R G B A
got: 0.000 0.000 0.000 1.000
expected: 1.000 1.000 1.000 1.000
src color: 1.00 1.00 1.00 1.00 (a8r8g8b8)
dst color: 1.00 1.00 1.00 1.00
src: 1x1R a8r8g8b8, dst: b5g6r5
Beginning blend test on x8b8g8r8
Beginning blend test on x2r10g10b10
Src blend test error of 255.0000 at (0, 0) --
R G B A
got: 0.000 0.000 0.000 1.000
expected: 1.000 1.000 1.000 1.000
src color: 1.00 1.00 1.00 1.00 (a8r8g8b8)
dst color: 1.00 1.00 1.00 1.00
src: 1x1R a8r8g8b8, dst: x2r10g10b10
Beginning blend test on x2b10g10r10
Src blend test error of 255.0000 at (0, 0) --
R G B A
got: 0.000 0.000 0.000 1.000
expected: 1.000 1.000 1.000 1.000
src color: 1.00 1.00 1.00 1.00 (a8r8g8b8)
dst color: 1.00 1.00 1.00 1.00
src: 1x1R a8r8g8b8, dst: x2b10g10r10
Beginning blend test on r8g8b8 window
10 tests passed of 17 total
Successful Groups:
Reproduce steps:
----------------------------
1. xinit
2. ./rendercheck -o src,over,overreverse,xor -t blend</pre>
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