Thread (18 messages) 18 messages, 3 authors, 2004-08-01

Re: Re: [Question] Colour management

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From: Antonino A. Daplas <hidden>
Date: 2004-07-31 21:20:17

On Saturday 31 July 2004 21:31, Ville Syrjälä wrote:
quoted
red_reg[index * 8] = red
green_reg[index * 8] = green
blue_reg[index * 8] = blue

Some hardware require that all 8 entries needs to be filled up.
I noticed you do this in i810fb. What happens if you don't do this?
 
Wrong colors.  
AFAIK mach64 doesn't need this.
Yes, it's hardware dependent. When I decided to add directcolor support,
I initially copied the mach64's setcolreg function but I got wrong
colors at bpp16.  Found out by experimentation that I need to set all
256 entries of the CLUT.

Tony  




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