OpenGL Visual Management
Gavriel State
gav at transgaming.com
Thu Mar 29 00:23:16 CST 2001
lawson_whitney at juno.com wrote:
>
> On Mon, 26 Mar 2001, Gavriel State wrote:
>
> > This patch fixes several issues with the way OpenGL manages visuals:
>
> Something is not right, I think. Ordinary apps (Dmitry's About.exe,
> say) look as if they were using a vga16 server - unless the pointer is
> over the desktop: then the entire X display is black and white.
> Without a desktop with managed moving the pointer over the app's window
> radically changes the palette for the whole screen, but not to black and
> white. With neither managed nor desktop, the pointer has no effect on
> the palette.
Argh. I'm getting the same behaviour in 8-bit mode on my NVidia card. I
don't remember getting it when testing the 3dfx card I just loaned out to
someone. Maybe I flubbed the 8-bit testing there...
Can you tell me:
- What video card you're using
- What bit depth and resolution you've got
- Whether the behaviour continues if you turn off the setup_opengl_visual()
call in dlls/x11drv/x11drv_main.c
- Whether notepad.exe exhibits the same behaviour (that's the only non
game app I run on a regular basis for testing).
> No doubt I am not well set up for DGA:
DGA shouldn't matter for this stuff at all.
> I haven't really looked into it much yet...maybe you will see right off
> what you or I have done wrong?
At a guess - the privately created ColorMaps need to take their initial colors
from the Default Color Map?
I'll try to have a further look into it tomorrow. Sorry for any wasted time.
-Gav
--
Gavriel State, CEO
TransGaming Technologies Inc.
http://www.transgaming.com
gav at transgaming.com
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