Bug 45348 - [swrast] piglit fbo-drawbuffers-arbfp regression
Summary: [swrast] piglit fbo-drawbuffers-arbfp regression
Status: RESOLVED FIXED
Alias: None
Product: Mesa
Classification: Unclassified
Component: Other (show other bugs)
Version: unspecified
Hardware: x86-64 (AMD64) Linux (All)
: medium normal
Assignee: mesa-dev
QA Contact:
URL:
Whiteboard:
Keywords: regression
Depends on:
Blocks:
 
Reported: 2012-01-28 15:22 UTC by Vinson Lee
Modified: 2016-07-09 00:10 UTC (History)
1 user (show)

See Also:
i915 platform:
i915 features:


Attachments

Description Vinson Lee 2012-01-28 15:22:52 UTC
mesa: 743432039ccd4c4af03aa4ef274a7922f871bc38 (master)

Run piglit fbo-drawbuffers-arbfp on swrast.

$ ./bin/fbo-drawbuffers-arbfp -auto
Mesa: Initializing x86-64 optimizations
Probe at (64,0)
  Expected: 0.200000 0.900000 0.500000 0.800000
  Observed: 0.701961 0.600000 0.301961 0.101961
PIGLIT: {'result': 'fail' }


# good: [2873555a76a7358db053c3a7b121b489f8df9bb1] osmesa: remove obsolete GetRow/PutRow code
git bisect good 2873555a76a7358db053c3a7b121b489f8df9bb1
# bad: [a9bf149e7f699d05bcf31dff54c4b4cf78018dd0] dri/swrast: remove obsolete swrast_span.c file from source list
git bisect bad a9bf149e7f699d05bcf31dff54c4b4cf78018dd0


There are only 'skip'ped commits left to test.
The first bad commit could be any of:
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f2479530b8be3866c234ac759a7fa84e634dd1aa
34988272d9c7a889a26bb8bdcb841d44797a5dd6
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1839a7fc9faae81d32ffc0cdc908b933f4524e28
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f6a3979a0444a14c198c10501e9ff13f24625443
8b8a54afd9b748b7250993393864544ad6961edb
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1e1b5cb01a10e39d01923e3c7e989c44210950cd
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304f7a132741a528ca6e861a918ef59991874e5f
9403cc3aba0769dc6925cea3ec20aa95d491f516
4baf90353dee771e553c552674616b93aedeaecf
a4c6dedb27897ae1340983b5d12927e0a9fb2212
89bb19adb08caaefc01e613e9bbfbdd1f366ddab
f892debdc21d12c40d2b69b4e9efdf527672d3ec
41869c49421141807ab71cabca4c8a07611f6a64
cf386f0a2ba3efcfd6ddbfcbebaf98a9bfa7a29f
ba151a333be7a23266b23ee6f65669bb19221546
cb5fa9ea624574909bf57f9e1ad190a440d59dc2
a9bf149e7f699d05bcf31dff54c4b4cf78018dd0
We cannot bisect more!
bisect run cannot continue any more
Comment 1 Vinson Lee 2013-01-14 01:03:12 UTC
mesa: 6acef6c5f779ed0ba390f556479c428a36d70edb (master)

The piglit fbo-drawbuffers-arbfp on swrast is still present.
Comment 2 Vinson Lee 2013-07-04 20:26:04 UTC
mesa: f3bbf65929e395360e5565d08d015977dd5b79fa (master)

This regression is still present in latest master.
Comment 3 Vinson Lee 2014-03-02 03:40:49 UTC
mesa: fc25956badb8e1932cc19d8c97b4be16e92dfc65 (master 10.2.0-devel)

The piglit fbo-drawbuffers-arbfp on swrast is still present.
Comment 4 Vinson Lee 2015-02-14 02:14:12 UTC
mesa: 8323796840a343ee39687cc8e8b424ee43d6fee7 (10.6.0-devel)

piglit fbo-drawbuffers-arbfp still fails on swrast.
Comment 5 Emil Velikov 2015-07-06 12:55:12 UTC
Hi Vinson,

Brian has pushed a fix shortly after your last test. It's available with 10.5.0 and later. Feel free to give it a test and reopen if the issue persists.

commit 89c96afe3c0acf8f2fccaf02da02945afe8ba5f3
Author: Brian Paul <brianp@vmware.com>
Date:   Mon Feb 16 11:23:06 2015 -0700

    swrast: fix multiple color buffer writing


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