Intel - Dithering on a 6 bit panel
ajax at nwnk.net
Tue Mar 10 15:34:38 PDT 2009
On Fri, 2009-03-06 at 18:28 -0500, Benjamin M. Schwartz wrote:
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> Eric Anholt wrote:
> > On Tue, 2009-03-03 at 23:57 +0000, James Legg wrote:
> >> Hello,
> >> I have an Asus X58L laptop, which has Intel GM965 graphics. The
> >> framebuffer configurations reported by glxinfo all have 8 bits for each
> >> of the colour channels. However, the output looks like 6 bits with
> >> static 2 by 2 spatial dithering. Assuming the display is actually 6
> >> bits, is there any way I can get temporal dithering?
> > Yeah, your panel is likely only 6 bits. I've never seen any knobs for
> > better dithering.
> If you're looking for a project, you could add a setting to the driver to
> do the temporal dithering in software, on the GPU.
> That would be a terrific hack.
I have difficulty imagining any implementation of this that wouldn't
absolutely murder your battery life.
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