https://bugs.freedesktop.org/show_bug.cgi?id=52282
Bug #: 52282
Summary: [softpipe] piglit arb_shader_texture_lod-texgrad
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: galib...@pobox.com
Created attachment 64410
--> https://bugs.freedesktop.org/attachment.cgi?id=64410
arb_shader_texture_lod-texgrad.png
mesa: a8c092266e9885f3370bbeae15bd80ebf035d05d (master)
Run piglit arb_shader_texture_lod-texgrad on softpipe.
$ ./bin/arb_shader_texture_lod-texgrad -auto
Mesa warning: failed to remap index 173
Left: texture2D, Right: texture2DGradARB
Probe at (4,3)
Left: 0.000000 1.000000 0.000000 1.000000
Right: 0.000000 0.976471 0.000000 1.000000
PIGLIT: {'result': 'fail' }
229a1a7e4da1a9c60b35b79f2a63e0bab451a76e is the first bad commit
commit 229a1a7e4da1a9c60b35b79f2a63e0bab451a76e
Author: Olivier Galibert <galib...@pobox.com>
Date: Tue Jun 19 21:01:37 2012 +0200
softpipe: Take all lods into account when texture sampling.
This patch churns a lot because it needs to change 4-wide filters into
single pixel filters, since each fragment may use a different filter.
The only case not entirely supported is the anisotropic filtering.
Not sure what we want to do there, since a full quad is required by
that filter.
Signed-off-by: Olivier Galibert <galib...@pobox.com>
Reviewed-by: Brian Paul <bri...@vmware.com>
:040000 040000 b097530109abfbb406df16689a45154ba31e72f1
37331d8c61f88d8908f3bd5056fd4a08888a0e3d M src
bisect run success
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