On Thu, Feb 21, 2008 at 04:20:57PM +0100, Denis Oliver Kropp wrote:
> Daniel Laird wrote:
> > The following patch allows for Gamma Correction Support in DirectFB.
> > 
> > The low level driver needs to implement what to do with the value it is
> > passed:
> > (see http://en.wikipedia.org/wiki/Gamma_correction)
> > 
> > So the driver writer has control over the implementation.
> > 
> > Hope it is useful:
> 
> Having a gamma value instead of (or in addition to) linear brightness 
> adjustment
> seems like a good idea, but is it really necessary to add a double for this? 
> :)

At least matrox maven has both controls (or rather white level, black level and
a gamma table).

-- 
Ville Syrjälä
[EMAIL PROTECTED]
http://www.sci.fi/~syrjala/

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