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Georges Basile Stavracas Neto 768193ab20 screenShield: Blur background 
This is a moderately fast two-pass gaussian blur implementation.
It downscales the framebuffer dynamically before applying the
gaussian shader, which cuts down rendering time quite considerably.

The blur shader takes 2 uniforms as input: the blur radius; and
whether to blur vertically or horizontally.

The blur radius is treated as an integer in C land to simplify
calculations. The vertical parameter is treated as an integer by
the shader simply due to Cogl not having proper boolean support
in snippets.

At last, brightness is also added to avoid needing to use an extra
effect to achieve that. Brightness is applied in a different pipeline
than blur, so we can control it more tightly.

ShellBlurEffect also implements a "below" mode, where the contents
beneath the actor are blurred, but not the actor itself. This mode
is performance-heavy.

Related: https://gitlab.gnome.org/GNOME/gnome-shell/issues/1848

https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/864
2019-12-16 13:01:33 -03:00
.gitlab-ci lint: Convert eslint JSON to YAML 2019-11-11 23:51:17 +00:00
.settings Clean out some eclipse artefacts 2019-02-13 04:39:26 +01:00
data data: Update switcheroo-control D-Bus interface 2019-12-13 00:44:24 +01:00
docs/reference docs: Fix interface prefix for D-Bus docs 2019-07-25 15:56:20 +02:00
js screenShield: Blur background 2019-12-16 13:01:33 -03:00
lint lint: Disable eqeqeq in legacy configuration 2019-11-11 23:51:17 +00:00
man man: Update project website 2018-01-07 21:39:18 +01:00
meson build: Run postinstall script where necessary 2018-04-09 19:19:33 +00:00
po Update Brazilian Portuguese translation 2019-11-26 19:58:38 +00:00
src screenShield: Blur background 2019-12-16 13:01:33 -03:00
subprojects gvc: Update submodule 2019-11-23 15:16:51 +01:00
test Add convert_xml test 2019-03-04 20:55:15 +00:00
tests Use paint and pick context to get framebuffer 2019-12-03 19:07:15 +00:00
tools build: Remove Canberra dependency 2019-01-09 23:09:18 +00:00
.eslintrc.yml lint: Convert eslint JSON to YAML 2019-11-11 23:51:17 +00:00
.gitignore Ignore '.vscode' folder for users of that editor 2019-04-02 17:37:31 +00:00
.gitlab-ci.yml ci: Run tests through dbus-run-session 2019-10-30 19:43:53 +01:00
.gitmodules submodules: Replace non-functional git.gnome.org URL by GNOME Gitlab URL 2018-09-25 08:41:30 +02:00
cldr2json.py Fix override for fr-CA 2019-03-04 20:55:15 +00:00
config.h.meson Add check_cloexec_fds debug command 2018-07-30 23:11:41 +00:00
COPYING Changed obsolete FSF postal address. 2014-01-08 04:35:14 +07:00
gnome-shell.doap doap: Clean up list of maintainers 2019-10-16 12:47:05 +02:00
HACKING.md HACKING.md: Update sample code to use paint context 2019-12-03 19:07:15 +00:00
meson_options.txt extensions-tool: Start import 2019-08-21 18:28:02 +02:00
meson.build Bump version to 3.35.2 2019-12-11 18:51:11 +01:00
NEWS Bump version to 3.35.2 2019-12-11 18:51:11 +01:00
README.md README.md: Add contribution section 2019-02-13 20:37:39 +01:00
README.mdwn Add basic documentation 2019-03-04 20:55:15 +00:00

README.md

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.

Bugs should be reported to the GNOME bug tracking system.

Contributing

To contribute, open merge requests at https://gitlab.gnome.org/GNOME/gnome-shell.

Commit messages should follow the GNOME commit message guidelines. We require an URL to either an issue or a merge request in each commit.

License

GNOME Shell is distributed under the terms of the GNU General Public License, version 2 or later. See the COPYING file for details.