On Tue, 30 Apr 2002, Kaz Sasayama wrote:
> Thank you for the explanation. I see the point now.
> Leif Delgass wrote:
> >On Fri, 26 Apr 2002, Kaz Sasayama wrote:
> >>I'm now trying mach64-0-0-4-branch with Rage Mobility-M PCI (LR). The
> >>compiled X server does not work in a setting more than 800x600 16bpp.
> >>How much video memory is needed to use Mach64 DRI in general?
> >I have an 8MB card, and I run the X server at 1024x768 @ 16-bit depth or
> >800x600 @ 24-bit depth. You need enough memory for 3 times the virtual
> >screen size at the given depth (front, back, and depth buffers), plus
> >textures and pixmap cache. The depth buffer is always 16-bit, so at
> >24-bit depth (32bpp framebuffer) it's smaller than the front and back
> >buffers, but the current branch allocates enough for a 32bpp depth buffer.
> >I have code to fix that, but I need to clean it up before checking it in.
FYI, I checked in this code so the depth buffer at 24-bit depth is now
only allocated as 16-bit and the difference is used for textures. Of
course renderering is still pretty slow at 24-bit depth compared to