[Mesa-dev] Status update of XvMC on R600

[Christian König]

Am Freitag, den 12.11.2010, 12:48 -0500 schrieb Alex Deucher:
> 2010/11/12 Christian König <deathsimple at vodafone.de>:
> > Hi Alex,
> >
> > by the way I am playing around with iDCT and while doing so I have tried
> > to allocate an 8x8 texture through r600g, resulting in this error
> > message:
> > radeon 0000:01:00.0: texture bo too small (64 1024 2 0 -> 8126464 have
> > 4194304)
> >
> > Google shows up an patch with your name in it, do I need a kernel
> > update, or am I hitting a hard limit that a texture needs to be at least
> > 65 pixels wide?
> 
> There are minimum pitch alignments for textures, although there were
> also some bugs in the cs checker (and probably still are some).  What
> kernel are you using?
Ubuntus 2.6.35-22-generic kernel.

The texture should use one component with 16bit signed integers, so the
pitch should be only 16 bytes. I assume that this is to low for the
hardware.