[PATCH] Big Endian support for RV730 (Mesa r600)

Benjamin Herrenschmidt benh at kernel.crashing.org
Wed Apr 13 05:05:04 PDT 2011

On Tue, 2011-04-12 at 10:01 +0200, Cédric Cano wrote:
> Hi
> Here you are a patch that adds big endian support for rv730 in r600 
> classic mesa driver. The BE modifications are almost the same as the DRM 
> / DDX driver modifications 
> (http://lists.freedesktop.org/archives/dri-devel/2011-February/008151.html).
> I used the mesa-demos to test the driver status on big endian platform. 
> Nearly all demos renders the same as on Intel architecture. 
> Nevertheless, there are still some issues in glReadPixels (r600_blit) 
> with some formats. I can't figure out exactly what and when data must be 
> swapped (set_tex_resoures, set_render_target...). Review of the patch 
> would be greatly appreciated.
> It seems that r600g will be the default for Mesa 7.11 so I'll try to 
> enable big endian support for Gallium now.

Cool stuff !

I'll try to test that one of these days on various ppc's


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