[Bug 29128] New: [r300g] nearly all CS gets rejected, rendering only garbage

[Bug 29128] New: [r300g] nearly all CS gets rejected, rendering only garbage

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=29128

           Summary: [r300g] nearly all CS gets rejected, rendering only
                    garbage
           Product: Mesa
           Version: git
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/DRI/r300
        AssignedTo: dri-devel@lists.freedesktop.org
        ReportedBy: aaalmosss@gmail.com


After the following commit: 
3eb557778376bcbbc6f25da88ffbaa269607254c is the first bad commit
commit 3eb557778376bcbbc6f25da88ffbaa269607254c
Author: Marek Olšák <maraeo@gmail.com>
Date:   Fri Jul 16 12:53:40 2010 +0200

    r300g: do not make copies of constant buffers, emit them directly

:040000 040000 a69b58bdfeed6b10709e771e09d6b0e7756c35a2
1b7411912b05b30cea9c6a3063fc5f8fb2c476b8 M    src

rendering is totally garbage in all applications I tried.

Stderr:
r300: Warning: cs_count off by -12 at (r300_emit_fs_constants, r300_emit.c:185)
debug_get_bool_option: RADEON_DUMP_CS = FALSE
radeon: The kernel rejected CS, see dmesg for more information.

dmesg:
[10445.982286] Forbidden register 0x0000 in cs at 15805
[10445.982292] [drm:radeon_cs_ioctl] *ERROR* Invalid command stream !

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[Bug 29128] [r300g] nearly all CS gets rejected, rendering only garbage

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=29128

--- Comment #1 from Marek Olšák <maraeo@gmail.com> 2010-07-17 04:39:56 PDT ---
Fixed in master, can you confirm?

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[Bug 29128] [r300g] nearly all CS gets rejected, rendering only garbage

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=29128

--- Comment #2 from Álmos <aaalmosss@gmail.com> 2010-07-17 05:32:22 PDT ---
The situation didn't get much better, but the error messages changed to:

stderr:
debug_get_bool_option: RADEON_DUMP_CS = FALSE
radeon: The kernel rejected CS, see dmesg for more information.

dmesg:
[18652.649971] [drm:radeon_cs_ioctl] *ERROR* Invalid command stream !

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[Bug 29128] [r300g] nearly all CS gets rejected, rendering only garbage

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=29128

--- Comment #3 from Marek Olšák <maraeo@gmail.com> 2010-07-17 05:44:06 PDT ---
Yeah the fix introduced another regression, it should be fixed now.

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[Bug 29128] [r300g] nearly all CS gets rejected, rendering only garbage

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=29128

--- Comment #4 from Álmos <aaalmosss@gmail.com> 2010-07-17 06:08:31 PDT ---
Now it is much better, but it's still not perfect. The intro movie of openarena
is drawn in purple, and in ut2004 the map preview has inverted colors and there
is no lighting at all (everything is black).

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[Bug 29128] [r300g] nearly all CS gets rejected, rendering only garbage

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https://bugs.freedesktop.org/show_bug.cgi?id=29128

--- Comment #5 from Marek Olšák <maraeo@gmail.com> 2010-07-17 06:36:04 PDT ---
Created an attachment (id=37148)
 View: https://bugs.freedesktop.org/attachment.cgi?id=37148
 Review: https://bugs.freedesktop.org/review?bug=29128&attachment=37148

fix

Could you try the attached patch?

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[Bug 29128] [r300g] nearly all CS gets rejected, rendering only garbage

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=29128

--- Comment #6 from Álmos <aaalmosss@gmail.com> 2010-07-17 08:15:38 PDT ---
The attached patch works.

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[Bug 29128] [r300g] nearly all CS gets rejected, rendering only garbage

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=29128

Marek Olšák <maraeo@gmail.com> changed:

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

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