[Bug 30044] New: [R600c] Corruption in Penumbra Overture demo when color tiling is enabled

[Bug 30044] New: [R600c] Corruption in Penumbra Overture demo when color tiling is enabled

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https://bugs.freedesktop.org/show_bug.cgi?id=30044

           Summary: [R600c] Corruption in Penumbra Overture demo when
                    color tiling is enabled
           Product: DRI
           Version: XOrg CVS
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Radeon
        AssignedTo: dri-devel@lists.freedesktop.org
        ReportedBy: darkbasic4@gmail.com


The same kind of corruption I noticed in every game with R600g+color tiling.
I does work properly when color tiling is off.

mesa git, libdrm git, xf86-video-ati git, xorg-server-1.9, drm-radeon-testing

Darkbasic

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[Bug 30044] [R600c] Corruption in Penumbra Overture demo when color tiling is enabled

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https://bugs.freedesktop.org/show_bug.cgi?id=30044

--- Comment #1 from Alex Deucher <agd5f@yahoo.com> 2010-09-06 21:09:54 PDT ---
Please attach your xorg log and dmesg output after running the game with tiling
enabled.

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[Bug 30044] [R600c] Corruption in Penumbra Overture demo when color tiling is enabled

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https://bugs.freedesktop.org/show_bug.cgi?id=30044

--- Comment #2 from darkbasic <darkbasic4@gmail.com> 2010-09-07 05:02:42 PDT ---
Created an attachment (id=38507)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=38507)
dmesg

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[Bug 30044] [R600c] Corruption in Penumbra Overture demo when color tiling is enabled

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https://bugs.freedesktop.org/show_bug.cgi?id=30044

--- Comment #3 from darkbasic <darkbasic4@gmail.com> 2010-09-07 05:03:04 PDT ---
Created an attachment (id=38508)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=38508)
Xorg.0.log

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[Bug 30044] [R600c] Corruption in Penumbra Overture demo when color tiling is enabled

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https://bugs.freedesktop.org/show_bug.cgi?id=30044

--- Comment #4 from darkbasic <darkbasic4@gmail.com> 2010-09-07 05:03:18 PDT ---
Here it is.

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[Bug 30044] [R600c] Corruption in Penumbra Overture demo when color tiling is enabled

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https://bugs.freedesktop.org/show_bug.cgi?id=30044

Mathieu Belanger <b747xx@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |b747xx@gmail.com

--- Comment #5 from Mathieu Belanger <b747xx@gmail.com> 2010-09-08 10:14:54 PDT ---
*** Bug 30076 has been marked as a duplicate of this bug. ***

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[Bug 30044] [R600c] Corruption in Penumbra Overture demo when color tiling is enabled

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https://bugs.freedesktop.org/show_bug.cgi?id=30044

Nils Kneuper <crazy-ivanovic@gmx.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |crazy-ivanovic@gmx.net

--- Comment #6 from Nils Kneuper <crazy-ivanovic@gmx.net> 2010-10-07 07:11:03 PDT ---
Currently alink is working on porting wesnoth to opengl. The start was a crude
hack somehow coding opengl equivalents of sdl commands. This branch does lead
to screen corruptions as shown in the screenshot attached to Bug 30076 which is
marked a duplicate of this one.

alink added some tests for commonly used functions in the wesnoth-gl port. It
seems as if this (at least regarding the output of the function later on) does
not work as expected:

20101007 15:55:17 error display: Can't read or write on back buffer.
20101007 15:55:17 error display: Can't read or write on front buffer.
20101007 15:55:17 error display: Can't copy from back buffer to front buffer.
20101007 15:55:17 error display: Can't copy from back buffer to back buffer.

Adding glFlush commands does lead the the same prob. Using r600c this does work
over here, r600g does show the corruption when color tiling is active.
Testbase:
rv670 512MB (HD3850), kernel 2.6.36-rc[6,7] (amd64), xorg-server-1.9.x, libdrm
git master, xf86-video-ati git master, mesa git master

The function creating this output is "static bool test_buffers(bool flush)" and
it is part of the following source file:
http://svn.gna.org/viewcvs/wesnoth/branches/ogl/src/video.cpp?revision=46911&view=markup

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[Bug 30044] [R600c] Corruption in Penumbra Overture demo when color tiling is enabled

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https://bugs.freedesktop.org/show_bug.cgi?id=30044

darkbasic <darkbasic4@gmail.com> changed:

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

--- Comment #7 from darkbasic <darkbasic4@gmail.com> 2011-02-20 15:40:07 PST ---
Corruption is solved, but it's slow as hell. Just unplayable.

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