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[fltk/fltk] X11 image drawing performance degredation with recent commit (Issue #301)
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[fltk/fltk] X11 image drawing performance degredation with recent commit (Issue #301) wcout Dec 02, 2021  
 

With one of my applications, which relies primarily on drawing lots of images, I notice a severe performance degradation with latest Github-FLTK version.

I tracked down the causing change to be:

X11+XRender platform: more accurate drawing of RGB images when GUI is scaled.

Strange: My application is running unscaled (Fl::screen_scale=1.0).

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