[Bug 18707] "unable to allocate texture" running various 3D apps

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=18707





--- Comment #9 from Michel Dänzer <michel at tungstengraphics.com>  2008-12-11 02:38:15 PST ---
(In reply to comment #8)
> 
> Here you are: 1.5.2 is the working case, 1.5.3 is the non-working one.

As you can see from comparing the log files:

* It's not the same version of the driver: E.g. only the 1.5.3 log contains the
lines about Max desktop size vs. the Virtual directive. The driver from the
working case may reserve a smaller maximum desktop size by default, leaving
more video RAM for textures. If you don't need the additional space for
resizing or rotating the virtual screen resolution, use the Virtual directive
to limit the maximum desktop size.
* 1.5.2 uses XAA whereas 1.5.3 uses EXA. This can again have an impact on the
amount of video RAM available for textures.

The net result is

(II) RADEON(0): Will use 8704 kb for textures at offset 0x1770000

in the working case but only

(II) RADEON(0): Will use 960 kb for textures at offset 0x01e08000

in the non-working case.


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