[evolution] Bug 774067 - Webkit composer is very slow refresh when typing



commit c1f799d4e0fc378039d4ce144969b4c7c62b9334
Author: Tomas Popela <tpopela redhat com>
Date:   Tue Nov 15 15:19:48 2016 +0100

    Bug 774067 - Webkit composer is very slow refresh when typing
    
    Disable the accelerated compositing mode in WebKitGTK+ as we don't need
    it at all in Evolution (definitely not in composer, but right now
    disable it even for preview) and for some video drivers like vboxvideo
    and modesetting there is a big performance hit.

 src/shell/main.c |   12 +++++++++---
 1 files changed, 9 insertions(+), 3 deletions(-)
---
diff --git a/src/shell/main.c b/src/shell/main.c
index 3a5287c..693c396 100644
--- a/src/shell/main.c
+++ b/src/shell/main.c
@@ -590,10 +590,16 @@ main (gint argc,
        g_object_unref (settings);
 #endif
 
-       /* FIXME WK2 - Look if we still need this it looks like it's not. */
-       /* Workaround https://bugzilla.gnome.org/show_bug.cgi?id=683548 */
-       if (!quit)
+       if (!quit) {
+               /* Until there will be a proper WebKitGTK+ API for disabling the
+                * accelerated compositing mode, we need to use the environment
+                * variable. See https://bugzilla.gnome.org/show_bug.cgi?id=774067 */
+               g_setenv("WEBKIT_DISABLE_COMPOSITING_MODE", "1", TRUE);
+
+               /* FIXME WK2 - Look if we still need this it looks like it's not. */
+               /* Workaround https://bugzilla.gnome.org/show_bug.cgi?id=683548 */
                g_type_ensure (WEBKIT_TYPE_WEB_VIEW);
+       }
 
        shell = create_default_shell ();
        if (!shell)


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