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Disable clearing the color buffer

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Since we always cover the stage, we don't need to clear it to a
constant color before painting the scene.

https://bugzilla.gnome.org/show_bug.cgi?id=634769
This commit is contained in:
Owen W. Taylor 2010-11-13 13:02:39 -05:00
parent 909f2e670a
commit 55f290bc96
1 changed files with 4 additions and 3 deletions
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7
js/ui/main.js
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@ -97,10 +97,11 @@ function start() {
Shell.WindowTracker.get_default(); Shell.WindowTracker.get_default();
Shell.AppUsage.get_default(); Shell.AppUsage.get_default();
// The background color really only matters if there is no desktop // The stage is always covered so Clutter doesn't need to clear it; however
// window (say, nautilus) running. We set it mostly so things look good // the color is used as the default contents for the actor created by
// when we are running inside Xephyr. // global.create_root_pixmap_actor() so we set it anyways.
global.stage.color = DEFAULT_BACKGROUND_COLOR; global.stage.color = DEFAULT_BACKGROUND_COLOR;
global.stage.no_clear_hint = true;
let themeContext = St.ThemeContext.get_for_stage (global.stage); let themeContext = St.ThemeContext.get_for_stage (global.stage);
let stylesheetPath = global.datadir + '/theme/gnome-shell.css'; let stylesheetPath = global.datadir + '/theme/gnome-shell.css';