Accelerated graphics questions (many!)
Rui T. C. Matos
tiagomatos at gmail.com
Sat Feb 18 01:19:31 GMT 2006
From: Jean-Eric Cuendet <jec at rptec.ch>
> Since Xgl is out, hardware accelerated is "the* topic out there!
> Would someone explain me exactly what is involved to get 3d acclerated?
> As I understand, there is OpenGL, which is a library (Mesa). It gives
> some 3d functions. Without 3d acceleration, the CPU do the hard job.
> But if we have a 3d card, then we need something to make that OpenGL
> fast. At this point things get harder to understand...
> There is first the DRI/DRM driver. What resides in kernel? DRM? Both?
> Is DRI only a shared library that is loaded by OpenGL? Or is it a kernel
> What is the GLX module? A wrapper around OpenGL/Mesa so it is accessible
> through X11?
> There are drm.ko and i915.ko modules in /lib/modules/... , what are they
> for? Is that the DRM or the DRI part of Intel 915 platform? Does that
> provide hardware accelerated for Intel GMA 915?
You desperately need to read this:
> What about integrating r200/r300 drivers in Ubuntu? They seem to provide
> accelerated 3d for ATI cards. Is there a non-free issue?
AFAIK they are free software. The problem I think is lack of stability, they are
pretty much hard edged code.
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Size: 189 bytes
Desc: not available
Url : https://lists.ubuntu.com/archives/kernel-team/attachments/20060218/dee20f5c/attachment.pgp
More information about the kernel-team