[Bug 30351] New: Zero Ballistics: tank not rendered

[Bug 30351] New: Zero Ballistics: tank not rendered

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https://bugs.freedesktop.org/show_bug.cgi?id=30351

           Summary: Zero Ballistics: tank not rendered
           Product: Mesa
           Version: git
          Platform: Other
               URL: http://www.zeroballistics.com/
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Gallium/r300
        AssignedTo: dri-devel@lists.freedesktop.org
        ReportedBy: sa@whiz.se


Created an attachment (id=38914)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=38914)
RADEON_DEBUG=fp log

In the game Zero Ballistics, the tank model is not visible. 

It seems to be working fine on llvmpipe.

Not a regression as far as I know, I just haven't reported it before as the
developers website was offline and the future of the game was unclear.

http://www.zeroballistics.com/

System environment:
-- system architecture: 32-bit
-- Linux distribution: Debian unstable
-- GPU: RV570
-- Model: Asus EAX1950Pro 256MB
-- Display connector: DVI
-- xf86-video-ati: e9928fe036e9382fd7bc353f3f05531445f08977
-- xserver: 1.8.99.904 (1.9.0 RC 5)
-- mesa: 96da9b28c838af00f15d6c0a5973857019d3aecc
-- drm: 23287f05cf2443ddf9e028e29beb5bd30979c6cf
-- kernel: 2.6.35.4

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[Bug 30351] Zero Ballistics: tank not rendered

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https://bugs.freedesktop.org/show_bug.cgi?id=30351

--- Comment #1 from Sven Arvidsson <sa@whiz.se> 2010-09-23 10:26:52 PDT ---
Created an attachment (id=38915)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=38915)
RADEON_DEBUG=vp log

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[Bug 30351] Zero Ballistics: tank not rendered

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https://bugs.freedesktop.org/show_bug.cgi?id=30351

--- Comment #2 from Sven Arvidsson <sa@whiz.se> 2010-09-26 10:49:01 PDT ---
Tank is visible with RADEON_NO_TCL=1

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[Bug 30351] Zero Ballistics: tank not rendered

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https://bugs.freedesktop.org/show_bug.cgi?id=30351

--- Comment #3 from Tom Stellard <tstellar@gmail.com> 2010-09-27 03:57:55 PDT ---
Ok, try this: open the file mesa/src/gallium/drivers/r300/r300_vs.c in a text
editor, scroll down to line 214, which should look like this:
compiler.Base.max_alu_insts = r300->screen->caps.is_r500 ? 1024 : 256;

Change 1024 to 95, recompile and test.  If the part of the tank that was
misrendering turns black, then stop and report the number you used, otherwise
subtract 5 from the new number and repeat until the misrendering becomes black.
 If you get down to 60 and nothing has changed then you can stop,you don't need
to go all the way to zero.

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[Bug 30351] Zero Ballistics: tank not rendered

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https://bugs.freedesktop.org/show_bug.cgi?id=30351

--- Comment #4 from Sven Arvidsson <sa@whiz.se> 2010-09-27 05:01:10 PDT ---
Tried it all the way down to 60, no sign of the tank.

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[Bug 30351] Zero Ballistics: tank not rendered

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https://bugs.freedesktop.org/show_bug.cgi?id=30351

--- Comment #5 from Marek Olšák <maraeo@gmail.com> 2010-09-27 06:10:48 PDT ---
If a vertex shader fails to compile, nothing is rendered, because all vertices
become (0,0,0,1) and a triangle with such vertices has no area.

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[Bug 30351] Zero Ballistics: tank not rendered

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https://bugs.freedesktop.org/show_bug.cgi?id=30351

--- Comment #6 from Tom Stellard <tstellar@gmail.com> 2010-11-06 22:14:57 PDT ---
I took a look at this game, and I can't tell what the problem is.  Can you post
screenshots of the current behavior and the expected behavior?

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[Bug 30351] Zero Ballistics: tank not rendered

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https://bugs.freedesktop.org/show_bug.cgi?id=30351

--- Comment #7 from Sven Arvidsson <sa@whiz.se> 2010-11-08 13:15:41 PST ---
Created an attachment (id=40125)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=40125)
Screenshot comparing normal vs RADEON_NO_TCL

(In reply to comment #6)
> I took a look at this game, and I can't tell what the problem is.  Can you post
> screenshots of the current behavior and the expected behavior?

The model representing the player (the tank) is not rendered. The game uses a
first person view by default, but you can press F2 to switch to third person,
which should make the problem obvious.

I have attached a screenshot comparing the problem with a run using
RADEON_NO_TCL=1 where the tank is visible.

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[Bug 30351] Zero Ballistics: tank not rendered

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https://bugs.freedesktop.org/show_bug.cgi?id=30351

--- Comment #8 from Marek Olšák <maraeo@gmail.com> 2010-12-11 06:35:09 PST ---
Commit 2af8a1983180fc0168c1e0e53bcc69ee3d684ea4 in Mesa master should fix some
missing objects. Could you test the game again with current git?

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[Bug 30351] Zero Ballistics: tank not rendered

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https://bugs.freedesktop.org/show_bug.cgi?id=30351

Sven Arvidsson <sa@whiz.se> changed:

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

--- Comment #9 from Sven Arvidsson <sa@whiz.se> 2010-12-11 14:34:48 PST ---
(In reply to comment #8)
> Commit 2af8a1983180fc0168c1e0e53bcc69ee3d684ea4 in Mesa master should fix some
> missing objects. Could you test the game again with current git?

Yep, it's fixed. Wohoo! :)

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