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authorAllan Sandfeld Jensen <allan.jensen@qt.io>2017-01-27 12:41:07 +0100
committerAllan Sandfeld Jensen <allan.jensen@qt.io>2017-02-16 14:38:07 +0000
commitfc63b7459c61d48e30ed5803f5f22d69f043e824 (patch)
treece0c2eb14779d8fc022ddf0623d4bb4748ad348c /.gitignore
parentef32f16fc284e5017da6016f72a17957fa2fef34 (diff)
Don't fetch destination in RGB64 mode when not necessary
Extends the short-cut of not fetching destination to also apply to the RGB64 painting. This saves reading and converting destination pixels when they will be fully replaced with source pixels. Since ARGB32 was switched to using the RGB64 drawhelpers, and ARGB32 is particularly expensive to read, this change is important to avoid performance regression. Change-Id: If3a2439140d6364e8429783cfa786bd000cfab45 Reviewed-by: Eirik Aavitsland <eirik.aavitsland@qt.io>
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