Intel - Dithering on a 6 bit panel

Fri Mar 6 15:28:56 PST 2009

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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.

- --Ben
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