On Mon, 2004-10-11 at 18:37 -0700, Ian Romanick wrote:
> I was trying to test the latest version of my ReadPixels work to make 
> sure I didn't break anything on big-endian.  However, it seems someone 
> beat me to it in the Rage128 driver. :)  In a nutshell, I can get one 
> frame of gears, and then the 3D engine is toast.  After that frame is 
> drawn, gears is at 100% and X is unresponsive.  When I kill gears, 
> everything goes back to semi-normal.  If I run another 3D program, I get 
> an empty (just a frame!) window.
> 
> Looking at the output from R128_DEBUG=all, it appears to be stuck in 
> r128EmitHwStateLocked.

Please provide a little more context - machine type (G4 I guess? Which
model exactly?), AGP/PCI, versions of kernel/DRM/X, ...


> That single frame of gears is also wrong.  The colors are pinks and 
> purples.  I suspect this may just be a byte-ordering problem.  I notice 
> that the driver wants to use BGRA for primary color, but I suspect the 
> hardware really wants ARGB.  Ditto for secondary color / fog.

Yeah, there are endianness issues to work out in t_vertex.


-- 
Earthling Michel DÃnzer      |     Debian (powerpc), X and DRI developer
Libre software enthusiast    |   http://svcs.affero.net/rm.php?r=daenzer


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