I got an Acer Travelmate laptop this week and would like to see 3d
acceleration on it, so i tried tweaking with the mach64 branch.

There was a minor issue with up() and down() which caused a kernel oops.
After fixing that, I commented out some code in mach64_do_dma_init() which
doesn't seem to work. The clear code was disabled with an #if 0. After
enabling that, i can run e.g. gears and it looks ok although the fps rate
is relatively low (below 300).

I tried many gl demos and most of them look basicly ok (i.e. draw
something on the screen, as opposed to the state before re-enabling the
clear code). Drawing lines doesn't seem to work; xscreensaver's moebius
demo doesn't show feet of the crawling bugs. Sound in games is distorted.
Quake 3 demo runs in a very playable speed and otherwise looks ok too,
which is a major improvement to XFree3/utah glx. With XFree3 it ran
something like 10fps, non-fullscreen.

What's next? What is the "BusMastering trouble"? Are there any specs
available for wannabe dri developers, or are we to guess what mach64
registers do? Any other recommended docs to start with?

  Jouko Pynnönen
  [EMAIL PROTECTED]


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