[Bug 32945] Lower part of the screen corrupt with HyperZ enabled

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=32945

--- Comment #9 from Sven Arvidsson <sa at whiz.se> 2011-01-25 14:29:28 PST ---
Created an attachment (id=42495)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=42495)
dmesg output

(In reply to comment #8)
> It appears that one third of the zbuffer is not cleared on your machine. In
> src/gallium/drivers/r300/r300_emit.c, can you add this line:
> 
> numdw = ALIGN_DIVUP(numdw * 3, 2);
> 
> at line 1171 and do some testing?
> 
> Could you also please attach your dmesg?

Adding the line didn't make any difference. 

In fact, I did some poking around (without any real understanding) and the
value of numdw doesn't seem to make any difference. Replacing OUT_CS(numdw);
with OUT_CS(0); gives the same result here. But maybe that's expected?

dmesg is attached.

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