Skia offscreen rendering slow

I recognised Skia offscreen renderers are considerably slower than the regular Skia renderer. The accelerated version of it doesn’t make a difference.

Please check the timings of the renderers in the following patch which compares all available renderers:

skia offline rendering (3.5 KB)

What’s the reason for that?


@gregsn, @robotanton or @tonfilm: Do you have any thoughts on that?


this is a known problem. we are working on it.

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this should finally be much improved for 2021.4 releases.