https://bugs.freedesktop.org/show_bug.cgi?id=49538
Bug #: 49538
Summary: [softpipe] piglit fs-texelFetchOffset-2D regression
Classification: Unclassified
Product: Mesa
Version: git
Platform: x86-64 (AMD64)
OS/Version: Linux (All)
Status: NEW
Severity: normal
Priority: medium
Component: Other
AssignedTo: mesa-dev@lists.freedesktop.org
ReportedBy: v...@freedesktop.org
CC: bri...@vmware.com
Created attachment 61083
--> https://bugs.freedesktop.org/attachment.cgi?id=61083
fs-texelFetchOffset-2D.png
Run piglit fs-texelFetchOffset-2D on softpipe.
$ ./bin/fs-texelFetchOffset-2D -auto
Mesa warning: failed to remap index 173
Probe at (10,10)
Expected: 0.000000 0.000000 0.000000 1.000000
Observed: 1.000000 0.000000 0.000000 1.000000
Probe at (30,10)
Expected: 0.000000 0.000000 0.000000 1.000000
Observed: 0.000000 0.000000 1.000000 1.000000
Probe at (10,30)
Expected: 0.000000 0.000000 0.000000 1.000000
Observed: 1.000000 0.000000 0.000000 1.000000
Probe at (30,30)
Expected: 0.000000 0.000000 0.000000 1.000000
Observed: 0.000000 0.000000 1.000000 1.000000
Probe at (10,50)
Expected: 0.000000 0.000000 0.000000 1.000000
Observed: 1.000000 0.000000 0.000000 1.000000
Probe at (30,50)
Expected: 0.000000 0.000000 0.000000 1.000000
Observed: 0.000000 0.000000 1.000000 1.000000
Probe at (10,70)
Expected: 0.000000 0.000000 0.000000 1.000000
Observed: 0.000000 0.000000 1.000000 1.000000
Probe at (30,70)
Expected: 0.000000 0.000000 0.000000 1.000000
Observed: 0.000000 0.000000 1.000000 1.000000
Probe at (70,70)
Expected: 0.000000 0.000000 0.000000 1.000000
Observed: 0.000000 0.000000 1.000000 1.000000
Probe at (10,90)
Expected: 0.000000 0.000000 0.000000 1.000000
Observed: 0.000000 0.000000 1.000000 1.000000
Probe at (30,90)
Expected: 0.000000 0.000000 0.000000 1.000000
Observed: 0.000000 0.000000 1.000000 1.000000
Probe at (50,90)
Expected: 0.000000 0.000000 0.000000 1.000000
Observed: 0.000000 0.000000 1.000000 1.000000
Probe at (70,90)
Expected: 0.000000 0.000000 0.000000 1.000000
Observed: 0.000000 0.000000 1.000000 1.000000
PIGLIT: {'result': 'fail' }
92d899303a0498e53b66fe19658a2f7fd6dc9a26 is the first bad commit
commit 92d899303a0498e53b66fe19658a2f7fd6dc9a26
Author: Brian Paul <bri...@vmware.com>
Date: Wed Apr 25 10:42:42 2012 -0600
softpipe: implement coord clamping for texel fetches (TXF)
The GL spec says out of bounds fetches produce undefined results.
Use clamping to avoid failed assertions or crashes.
Fixes failed assertion in
https://bugs.freedesktop.org/show_bug.cgi?id=49125
but the test still fails.
Reviewed-by: Jose Fonseca <jfons...@vmware.com>
:040000 040000 5e7937f885db42d0e59e650ec81d32c0398f9831
8b8fc508493aa8271717ed30a9b7e74bcca02af3 M src
bisect run success
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