Re: Color Space & GLSL
Re: Color Space & GLSL
- Subject: Re: Color Space & GLSL
- From: Darrin Cardani <email@hidden>
- Date: Mon, 30 Nov 2015 10:11:48 -0800
Vincent,
Yes, your understanding of color spaces is correct.
If you want to post on the developer forums, you can find the ProApps Integration forum here:
<https://devforums.apple.com/community/tools/pro>
Darrin
> On Nov 28, 2015, at 3:25 PM, Vincent Olivier <email@hidden> wrote:
>
> Hello!
>
> I get my information from a 2011 message on this very mailing list here : http://lists.apple.com/archives/pro-apps-dev/2011/Aug/msg00099.html
>
> Is this still valid? Does it apply to the GLSL 2D FxTexture input/output of the renderOutput method ?
>
> To be clear, both FxBitmap and FxTexture images chromaticities are always sRGB/Rec. 709 and the desired gamma is set via kFxPropertyKey_DesiredProcessingColorInfo and to either one of the two (2) following values :
>
>
> kFxImageColorInfo_RGB_LINEAR: for gamma 1 (linear)
>
>
> kFxImageColorInfo_RGB_GAMMA_VIDEO: for gamma 1.961 uniform, that is, without a transfer Rec. 709-like transfer function (see “Transfer characteristics” : https://en.wikipedia.org/wiki/Rec._709)
>
>
> Unrelated question alert: is there an equivalent to this mailing list on the new forums : https://forums.developer.apple.com ?
>
> Regards,
>
> Vincent Olivier
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