>From: "Mike A. Harris" <[EMAIL PROTECTED]> > >I would like to know given x Mb of video RAM on a given DRI >supported video card, how can I calculate what the maximum >screen resolution should be? > >width * height * fbbpp / 8 == 2D screensize > >I'll need to take virtual screen dimensions into account, as well >as double buffering, etc. > >I'd like to get as hard solid numbers as I can, as I would like >to have our configuration tools not allow stupid DRI >configurations. I get tonnes of bug reports in the form: > >"I cant get 3D screensavers to run on my machine" or >"anything 3D crashes my machine when I leave it for a while" > >and the like. Troubleshooting - 9 times out of 10 ends up >finding out that the person is trying to use a 1600x1200 virtual >screensize with a 1400x1050 desktop in depth 24 - on an 8Mb video >card. They expect this stuff to work if the configuration tools >allow it to be configured. > >What I want to do is know first of all - what are the actual >valid configurations of DRI for: > >Bit depths supported by 3D acceleration engine in hardware, >wether it is supported by DRI in 4.0.3, and if it is in 4.1.0? >I've filled in what I think is correct, please help me fill in >the rest: > > Hardware 4.0.3 DRI 4.1.0 DRI >Voodoo 3: 16 16 16 >Voodoo 4: 16 16 16 >Voodoo 5: 16/32 16/32 16/32 >Banshee : 16 16 16 >G450 : 16/32 16/32 16/32 >G400 : 16/32 16/32 16/32 >G200 : 16/32 16/32 16/32 >G100 : 16 16 16 >r128 : 16/32 16/32 16/32 >radeon : 16/32 16/32 16/32 >3DLabs : ? ? ? >SiS : ? ? ? > >Any others I have missed?? > >Given that a card supports DRI in a particular res, and using the >above calc to calculate the required memory just for 2d in the >given mode, is there an exact calculation that works across all >cards that i can use to say "This configuration is insane", and >have our configurator disable it? > >Any help would be greatly appreciated. > > >---------------------------------------------------------------------- >Mike A. Harris Shipping/mailing address: >OS Systems Engineer 190 Pittsburgh Ave., Sault Ste. Marie, >Red Hat Inc. Ontario, Canada, P6C 5B3 >http://www.redhat.com Phone: (705)949-2136 >---------------------------------------------------------------------- >Latest XFree86 test RPMS: ftp://people.redhat.com/mharris/testing The Voodoo 4 supports 32 bit color. -Rob _______________________________________________ Dri-devel mailing list [EMAIL PROTECTED] http://lists.sourceforge.net/lists/listinfo/dri-devel
