CompuServe Thread

#Vibrant for Stealth 24?

3 messages in this thread
#65507From: Brian Massey [Vibrant]Nov 8, 1993 7:36 PM
<<Is there any way to dither the 15-bit rendering display to eliminate the banding often apparent in this mode?>> If you want dithering in the rendered image itself, it seems you will need to use an IPAS routine. Yes something could be done in the driver, but the image would be a lie. When you tried to output the image to a device other than the screen, you would again see the banding. You aren't the first to ask the question though. Anyone want to work with us on an IPAS for this???
#65574From: Nov 9, 1993 2:42 AM
Brian: IPAS? Did you say IPAS? <g> Sure, we'd be interested! But what happens if you just press the "16 bit" option button in 3DSR3?
#65681From: Andy LakenNov 9, 1993 2:48 PM
I don't understand why dithering the 15-bit image in the driver would be a 'lie': the banding is a result of displaying a true-color image on a display that can't handle 24-bit depth. Let's say I am saving the images to full 24-bit targa files. If they are output to video or print, they'll show 16.7 million colors. Since the Hicolor display can only display 32k colors, a dithering option would give a more accurate approximation of the 24-bit image. I realize that inexpensive video adapters are available which offer truecolor, but I don't make the purchasing decisions around here. What do you think? -andy/MicroProse