[cairo] set_source_rgb vs set_source_rgba [Performance]

[Nicholas Allen]

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I would hope that this makes absolutely no difference if the alpha is
1.0. If it does then it is definately Cairo's fault IMHO.

Nick

Ian Britten wrote:
> Hi all, When drawing solid colours (Alpha=1.0), is there any
> performance benefit to using set_source_rgb() as opposed to
> set_source_rgba()?
>
> I'm wondering whether to add the complexity to my code to
> distinguish the two cases and make the appropriate calls, or
> whether simply calling set_source_rgba() all the time will
> automatically fall back to same behaviour? [ Obviously, rendering
> speed is a concern, and I'll add the complexity to our code, if
> there's a benefit ]
>
> Thanks! Ian _______________________________________________ cairo
> mailing list cairo at cairographics.org
> http://lists.cairographics.org/mailman/listinfo/cairo

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