09602ae2ae
When we're painting off-stage, for example because we're screencasting or taking a screenshot, there won't be a stage-view associated with the paint context. The BlurEffect previously didn't handle that case and would crash. Fix that and handle that case by assuming the scale is 1 and not offsetting the rectangle we blit from the draw framebuffer. Part-of: <https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/1673>
GNOME Shell
GNOME Shell provides core user interface functions for the GNOME 3 desktop, like switching to windows and launching applications. GNOME Shell takes advantage of the capabilities of modern graphics hardware and introduces innovative user interface concepts to provide a visually attractive and easy to use experience.
For more information about GNOME Shell, including instructions on how to build GNOME Shell from source and how to get involved with the project, see the project wiki.
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License
GNOME Shell is distributed under the terms of the GNU General Public License, version 2 or later. See the COPYING file for details.