On Tue, Dec 21, 2010 at 7:41 PM, Christopher Wright <
[email protected]> wrote:

>
> Color correction maps values from a source profile to a target profile.
>  Whether you have 4 bits or 64 bits of precision, it doesn't matter;  you'll
> just have more or less precision.
>
> http://developer.apple.com/library/mac/#technotes/tn/tn2035.html


Does this mean that when color correction is on, one is running the image
through colorsync? So, one could run through needless stages of color sync
(?).


>
> If Pixel Aligned is _NOT_ enabled, you'll also add GL filtering (unless
> Native Core Image rendering is enabled) if your position is not pixel
> aligned


This is what I was driving at about filtering; what happens when something
isn't aligned....

GL filtering? Is this literally "GL Filtering"?


> -- GL doesn't properly blend with respect to gamma, so you'll get
> brightness shifts (not color shifts that are characteristic with color
> mis-correction).  The amount of this filtering is a function of how
> mis-aligned your billboard is.


Does this gamma blend problem happen when rendering to Sprite or GLSL and
grid as well (or, especially)?

Thanks!



-- 
George Toledo
[email protected]
www.georgetoledo.com

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