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Sebastian Keller 791761499a clutter/effect: Don't call effect paint_node() if pre_paint() failed
Some effects such as the BrightnessContrastEffect try to skip rendering
by returning early with a FALSE return value in pre_paint() in cases
where the effect would not change the rendering. This stopped working
when effects were ported to paint nodes.

In the case of OffscreenEffects, like BrightnessContrastEffect,
pre_paint() is responsible for setting up the offscreen buffer which is
then used in paint_node(). However if pre_paint() fails, this buffer is
not created and attempting to use it will result in several error
messages and broken rendering.

Instead of trying to call paint_node() of the effect if pre_paint()
failed, just draw the actor.

Fixes https://gitlab.gnome.org/GNOME/mutter/-/issues/1576

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1658>
2021-01-02 19:00:39 +00:00
..
clutter clutter/effect: Don't call effect paint_node() if pre_paint() failed 2021-01-02 19:00:39 +00:00
.gitignore clutter: Remove clutter specific version 2018-11-06 17:17:36 +01:00
meson.build clutter: Include semi private cogl API 2020-07-02 19:36:50 +02:00