Since I first tried nVidia's AIGLX with Compiz I've been seeing some pretty
consistent drawing problems on GWD's minimize and maximize buttons on hover.
It looks like part of the fill is drawn with low alpha. I haven't been able to
duplicate it when using Xgl... Here's a quick vid of what I'm seeing:
http://s154.photobucket.com/albums/s273/m1kecook/Compiz/?action=view¤t=gwd-button-prob.flv
The following patch seems to work around the problem (but only if I set the
alpha less than 1.0):
--- gtk/window-decorator/gtk-window-decorator.c
+++ gtk/window-decorator/gtk-window-decorator.c
@@ -943,7 +943,7 @@ button_state_paint (cairo_t *cr,
cairo_stroke_preserve (cr);
if (state & IN_EVENT_WINDOW)
- cairo_set_source_rgb (cr, 1.0, 1.0, 1.0);
+ cairo_set_source_rgba (cr, 1.0, 1.0, 1.0, 0.99);
else
cairo_set_source_rgba (cr, color->r, color->g, color->b, 0.95);
I'm not proficient enough with Cairo to know if this is a bug there, with
nVidia's driver, or something in GWD or somewhere else. Anyone have insights?
...MC
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