From: Geert U. <ge...@li...> - 2006-11-08 02:01:53
|
On Tue, 7 Nov 2006, Richardson, Charlotte wrote: > If I can't repro it with this chip, if you want to mess around with it > on yours, here's what I think we had to do... I believe the trick was > to use 16bpp mode as far as what mode you write to the chip, and then > double all the x coordinate values for things like offset, width, and > pitch. You would have to do that to the accelerated routines also. > > From: Andrew Wade [mailto:and...@gm...] > > On 11/6/06, Richardson, Charlotte <Cha...@st...> > > wrote: > > ... > > > How much is each line offset when you have the garbled stuff? I > mean, > > > is it a couple pixels, half the total width, something else? And is > > > it always the same for each line (or can you tell)? > > > > Each ghost is 1/3 of a screen horizontally from the other ghosts. I've > > been looking carefully at test patterns to figure out what is going > on. Since the ghosts are 1/3 of a screen apart and not 1/2... If this is similar to the old Mach64, for 24-bit you have to use 8-bit mode and multiply all horizontal values by _3_. Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- ge...@li... In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds |