Mach64 support for non-power-of-two textures

Hi everybody!
  Finally got my Rage Mobility P/M (4 MB, AGP 2x) working with drivers from yesterdays GIT.
DRI (with mach64 module) works like a cahrm (Thanks!), but there are two issues:

Beryl doesn't run and reports missing support for textures with dimensions which are not powers of two.
Is this a limitation of the driver? Or the hardware? Any chances to get this fixed?

Secondly, the four megs of video-ram are only sufficient for a 960x720x16 resolution, which looks somewhat blurry on my laptop. Native resolution of 1024x768x16 requires 4.5 MB of video ram, including z-buffer. Would it be possible to offload any of the buffers (i.e. back-buffer or z-buffer) to system ram? If necessary, i could dig some more into the drivers code...

Thanks for any insight!

--Stephan



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