CompuServe Messages

> Standard Qvision supports 512x480x24 and 640x400x24bit. Also 640x480x65K and > various other modes. So yes, it does have Truecolor support. As I said, I want truecolor support in the graphics card mainly for Windows (because I would always have a Targa+ or Illuminator Pro for 3DS). It is a real pain to run Windows with non-square pixels (512×480 or 640×400). The 640x480x65K mode would be adequate, but since even cheapo $149 boards do 640x480x24bit, it is strange that the Qvision cannot. > As to line draws, it's one of the fastest line draw engines I've seen. If you > are doing poly lines you can send the engine the first X0,Y0 X1,Y1, Color > parameters and then for the next segment only send the end points X1,Y1. This My 66MHz machine with an s3 805 based board gets 13.4M winmarks. The Deskpro 66/M gets 12.3M (according to PC Mag). My machine gets a higher number for Polylines than the Deskpro 33/M (I don't have a number for the 66/M). The s3 805 is twice as slow as the Weitek P9000, and the P9000 is almost twice as slow as the Matrox MGA. > greatly speeds up poly lines. It also has hardware bitblt and probably the > neatest feature is the ability to map the video memory anywhere above 16MB for > direct protected mode linear access. The ability to map the frame buffer linearly is very common now. I know the s3 928 and the ATI Ultra Pro can do it, and probably most others (though I think the s3 805 has a bug in it that prevents this from working) can too. I am sure your customers are happy with Q-Vision because I am sure, being a Compaq product, it works all the time. I do wish I could buy a machine from Compaq without graphics, so I could use the board of my choice without having to pay for the Q-Vision. I think the ideal machine would be a Pentium Deskpro with an MGA.