[Bug 72369] New: glitches in serious sam 3 with the sb shader backend

[Bug 72369] New: glitches in serious sam 3 with the sb shader backend

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https://bugs.freedesktop.org/show_bug.cgi?id=72369

          Priority: medium
            Bug ID: 72369
          Assignee: dri-devel@lists.freedesktop.org
           Summary: glitches in serious sam 3 with the sb shader backend
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: a.heider@gmail.com
          Hardware: Other
            Status: NEW
           Version: unspecified
         Component: Drivers/Gallium/r600
           Product: Mesa

Created attachment 90320
  --> https://bugs.freedesktop.org/attachment.cgi?id=90320&action=edit
glitches with sb

Seen on a BARTS class radeon with mesa master, 10.0 and 9.2 branches, see
screenshot.

These glitches do not occur with R600_DEBUG=nosb

Using the current build 193968 of ss3.

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[Bug 72369] glitches in serious sam 3 with the sb shader backend

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https://bugs.freedesktop.org/show_bug.cgi?id=72369

--- Comment #1 from Andre Heider <a.heider@gmail.com> ---
Created attachment 90321
  --> https://bugs.freedesktop.org/attachment.cgi?id=90321&action=edit
R600_DEBUG=sb,ps,vs

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[Bug 72369] glitches in serious sam 3 with the sb shader backend

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https://bugs.freedesktop.org/show_bug.cgi?id=72369

Andre Heider <a.heider@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #90320|text/plain                  |image/jpeg
          mime type|                            |

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[Bug 72369] glitches in serious sam 3 with the sb shader backend

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https://bugs.freedesktop.org/show_bug.cgi?id=72369

--- Comment #2 from Vadim Girlin <ptpzz@yandex.ru> ---
Created attachment 90386
  --> https://bugs.freedesktop.org/attachment.cgi?id=90386&action=edit
patch

Does this patch help?

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[Bug 72369] glitches in serious sam 3 with the sb shader backend

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https://bugs.freedesktop.org/show_bug.cgi?id=72369

--- Comment #3 from Andre Heider <a.heider@gmail.com> ---
Yes it does, thanks Vadim!

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[Bug 72369] glitches in serious sam 3 with the sb shader backend

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https://bugs.freedesktop.org/show_bug.cgi?id=72369

--- Comment #4 from Benjamin Bellec <b.bellec@gmail.com> ---
I also had these glitches in Serious Sam 3 and a Radeon HD5870 (AMD CYPRESS)
using Mesa 10.1.0-devel (git-1e71493). But no glitches with 9.2.4 (Fedora
packages).

Anyway your patch Vadim fixes the problem indeed. But to be more precise, the
glitches was only here when FXAA (Fast Approximate Anti-Aliasing) was set to
"High" or "Ultra", but not when set to "None", "Low" or "Medium".

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[Bug 72369] glitches in serious sam 3 with the sb shader backend

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https://bugs.freedesktop.org/show_bug.cgi?id=72369

Vadim Girlin <ptpzz@yandex.ru> changed:

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

--- Comment #5 from Vadim Girlin <ptpzz@yandex.ru> ---
Fixed by commit 00faf828

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