[Bug 86165] [RV770] [bisected] Bad textures rendering on Serious Sam 3 with sb enabled

[Bug 86165] [RV770] [bisected] Bad textures rendering on Serious Sam 3 with sb enabled

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=86165

            Bug ID: 86165
           Summary: [RV770] [bisected] Bad textures rendering on Serious
                    Sam 3 with sb enabled
           Product: Mesa
           Version: git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Gallium/r600
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: b.bellec@gmail.com

Created attachment 109297
  --> https://bugs.freedesktop.org/attachment.cgi?id=109297&action=edit
SS3 ground textures at high settings when SB is enabled

Ground textures in Serious Sam 3 are incorrectly rendered (see the first
attachment for a preview).

This only occurs with my RV770, not with my HD5850 (Evergreen).
This only occurs when sb is enabled (which is the default setting).

The first bad commit is :
commit: 7ae9cc71f097af5ae1f83f77f75de2198849faca
summary: st/mesa: use new float comparison opcodes if native integers are
supported
author: Roland Scheidegger <sroland@vmware.com>
date of commit: 2013-08-15 15:30:07 (GMT)

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[Bug 86165] [RV770] [bisected] Bad textures rendering on Serious Sam 3 with sb enabled

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https://bugs.freedesktop.org/show_bug.cgi?id=86165

Benjamin Bellec <b.bellec@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #109297|text/plain                  |image/png
          mime type|                            |
                 CC|                            |b.bellec@gmail.com

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[Bug 86165] [RV770] [bisected] Bad textures rendering on Serious Sam 3 with sb enabled

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https://bugs.freedesktop.org/show_bug.cgi?id=86165

--- Comment #1 from Benjamin Bellec <b.bellec@gmail.com> ---
Created attachment 109298
  --> https://bugs.freedesktop.org/attachment.cgi?id=109298&action=edit
The ground textures at high settings when sb is disabled.

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[Bug 86165] [RV770] [bisected] Bad textures rendering on Serious Sam 3 with sb enabled

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https://bugs.freedesktop.org/show_bug.cgi?id=86165

--- Comment #2 from Benjamin Bellec <b.bellec@gmail.com> ---
Created attachment 109299
  --> https://bugs.freedesktop.org/attachment.cgi?id=109299&action=edit
Incorrect ground textures at low settings

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[Bug 86165] [RV770] [bisected] Bad textures rendering on Serious Sam 3 with sb enabled

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=86165

--- Comment #3 from Benjamin Bellec <b.bellec@gmail.com> ---
Created attachment 109300
  --> https://bugs.freedesktop.org/attachment.cgi?id=109300&action=edit
Worse ground textures at low settings with a more recent commit

I noted that at low settings, a recent commit broken more dramatically the
ground textures, see attachment for a preview.

The commit is e9822f77a9cc024f528d30382fd5ad21c73a173b
summary : glsl: Skip making a temporary for assignments when we don't need one.
author : Eric Anholt <eric@anholt.net>
date : 2014-04-08 07:59:47 (GMT)

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[Bug 86165] [RV770] [bisected] Bad textures rendering on Serious Sam 3 with sb enabled

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https://bugs.freedesktop.org/show_bug.cgi?id=86165

--- Comment #4 from Benjamin Bellec <b.bellec@gmail.com> ---
You can find an apitrace at high settings here :
https://drive.google.com/file/d/0B7D2Y0QXFND2bHd3ZXlBeDI0OUk/view?usp=sharing
309 MB
md5sum c9a7e793122d4babe71e68535ab86459

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[Bug 86165] [RV770] [bisected] Bad textures rendering on Serious Sam 3 with sb enabled

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https://bugs.freedesktop.org/show_bug.cgi?id=86165

GitLab Migration User <gitlab-migration@fdo.invalid> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |MOVED

--- Comment #5 from GitLab Migration User <gitlab-migration@fdo.invalid> ---
-- GitLab Migration Automatic Message --

This bug has been migrated to freedesktop.org's GitLab instance and has been
closed from further activity.

You can subscribe and participate further through the new bug through this link
to our GitLab instance: https://gitlab.freedesktop.org/mesa/mesa/issues/533.

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