[Bug 29851] [r300g] HyperZ on RS690 not work correctly

[bugzilla-daemon@freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=29851

steckdenis@yahoo.fr changed:

           What    |Removed                     |Added
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                 CC|                            |steckdenis@yahoo.fr

--- Comment #4 from steckdenis@yahoo.fr 2010-09-27 02:12:38 PDT ---
Hello,

I also encounter this bug and investigated it. When I launch Neverball, the
first frames are displayed ok. Then they slowly begin to disappear, each frame
having less content that the previous.

I restarted Neverball and quickly clicked on the Play button, and I played the
first level.

It seems that the Z buffer is not cleared between the frames. I can see the
level when it comes nearer to me, but when I play it, it disappears. The only
thing I can do is to tilt the ground as much as I can, to make it nearer to the
camera.

I looked at the code, but didn't find when the Z buffer is cleared.

I use Linux 2.6.36-rc3, Mesa Git (2010-09-27), libdrm 2010-08-24, Xorg Server
1.9, xf86-video-ati 6.13.1, on a RS690 card (ATI Radeon X1270) with 128Mb of
sideport memory.

I tried the proposed patch, but it didn't worked.

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