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blur-effect: Handle failure of background blitting gracefully

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`paint_background` already provides a return value in case the blitting
of the framebuffer fails, handle that and fall back to only drawing the
actor in case something goes wrong.

https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/1000
This commit is contained in:
Jonas Dreßler 2020-02-13 22:50:40 +01:00 committed by Georges Basile Stavracas Neto
parent 4783d767d6
commit 91748aedb7
1 changed files with 3 additions and 1 deletions
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4
src/shell-blur-effect.c
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@ -807,7 +807,9 @@ shell_blur_effect_paint (ClutterEffect *effect,
break;
case SHELL_BLUR_MODE_BACKGROUND:
paint_background (self, paint_context, &source_actor_box);
if (!paint_background (self, paint_context, &source_actor_box))
goto fail;
apply_blur (self, paint_context, &self->background_fb, 255);
break;
}