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USe the compositor overlay window instead of the root window.

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2007-12-25  Iain Holmes  <iain@gnome.org>

        * src/core/compositor.c: USe the compositor overlay window 
instead of
        the root window.


svn path=/trunk/; revision=3498
This commit is contained in:
Iain Holmes 2007-12-25 22:55:59 +00:00 committed by Iain Holmes
parent a8e2f45b1c
commit c96ae75437
2 changed files with 80 additions and 10 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2007-12-25 Iain Holmes <iain@gnome.org>
* src/core/compositor.c: USe the compositor overlay window instead of
the root window.
2007-12-21 Paolo Borelli <pborelli@katamail.com>
* src/core/core.c (meta_invalidate_default_icons): do not leak list.

83
src/core/compositor.c
View File

@ -47,6 +47,12 @@
#define HAVE_NAME_WINDOW_PIXMAP 1
#endif
#if COMPOSITE_MAJOR > 0 || COMPOSITE_MINOR >= 3
#define HAVE_COW 1
#else
/* Don't have a cow man...HAAHAAHAA */
#endif
#define USE_IDLE_REPAINT 1
typedef enum _MetaCompWindowType
@ -86,6 +92,8 @@ typedef struct _MetaCompScreen
GList *windows;
GHashTable *windows_by_xid;
Window output;
gboolean have_shadows;
conv *gaussian_map;
guchar *shadow_corner;
@ -695,6 +703,7 @@ static Picture
create_root_buffer (MetaScreen *screen)
{
MetaDisplay *display = screen->display;
MetaCompScreen *info = screen->compositor_data;
Picture pict;
XRenderPictFormat *format;
Pixmap root_pixmap;
@ -711,7 +720,7 @@ create_root_buffer (MetaScreen *screen)
g_return_val_if_fail (format != NULL, None);
root_pixmap = XCreatePixmap (display->xdisplay,
screen->xroot,
info->output,
screen_width, screen_height, depth);
g_return_val_if_fail (root_pixmap != None, None);
@ -1590,16 +1599,16 @@ add_win (MetaScreen *screen,
{
MetaDisplay *display = screen->display;
MetaCompScreen *info = screen->compositor_data;
MetaCompWindow *cw = g_new0 (MetaCompWindow, 1);
MetaCompWindow *cw;
gulong event_mask;
if (info == NULL)
{
g_warning ("Screen not managed");
g_free (cw);
return;
}
if (xwindow == info->output)
return;
cw = g_new0 (MetaCompWindow, 1);
cw->screen = screen;
cw->window = window;
cw->id = xwindow;
@ -2260,6 +2269,50 @@ meta_compositor_remove_window (MetaCompositor *compositor,
#ifdef HAVE_COMPOSITE_EXTENSIONS
#endif
}
#ifdef HAVE_COW
static void
show_overlay_window (MetaScreen *screen,
Window cow)
{
MetaDisplay *display = screen->display;
XserverRegion region;
region = XFixesCreateRegion (display->xdisplay, NULL, 0);
XFixesSetWindowShapeRegion (display->xdisplay, cow, ShapeBounding, 0, 0, 0);
XFixesSetWindowShapeRegion (display->xdisplay, cow, ShapeInput, 0, 0, region);
XFixesDestroyRegion (display->xdisplay, region);
damage_screen (screen);
}
static void
hide_overlay_window (MetaScreen *screen,
Window cow)
{
MetaDisplay *display = screen->display;
XserverRegion region;
region = XFixesCreateRegion (display->xdisplay, NULL, 0);
XFixesSetWindowShapeRegion (display->xdisplay,
cow, ShapeBounding,
0, 0, region);
XFixesDestroyRegion (display->xdisplay, region);
}
static Window
get_overlay_window (MetaScreen *screen)
{
MetaDisplay *display = screen->display;
Window cow;
cow = XCompositeGetOverlayWindow (display->xdisplay, screen->xroot);
XSelectInput (display->xdisplay, cow, ExposureMask);
return cow;
}
#endif
void
meta_compositor_manage_screen (MetaCompositor *compositor,
@ -2291,6 +2344,8 @@ meta_compositor_manage_screen (MetaCompositor *compositor,
info = g_new0 (MetaCompScreen, 1);
info->screen = screen;
screen->compositor_data = info;
visual_format = XRenderFindVisualFormat (display->xdisplay,
DefaultVisual (display->xdisplay,
screen->number));
@ -2300,8 +2355,14 @@ meta_compositor_manage_screen (MetaCompositor *compositor,
return;
}
#ifdef HAVE_COW
info->output = get_overlay_window (screen);
#else
info->output = screen->xroot;
#endif
pa.subwindow_mode = IncludeInferiors;
info->root_picture = XRenderCreatePicture (display->xdisplay, screen->xroot,
info->root_picture = XRenderCreatePicture (display->xdisplay, info->output,
visual_format,
CPSubwindowMode, &pa);
if (info->root_picture == None)
@ -2327,11 +2388,15 @@ meta_compositor_manage_screen (MetaCompositor *compositor,
info->gaussian_map = make_gaussian_map (SHADOW_RADIUS);
presum_gaussian (info);
XClearArea (display->xdisplay, screen->xroot, 0, 0, 0, 0, TRUE);
XClearArea (display->xdisplay, info->output, 0, 0, 0, 0, TRUE);
meta_screen_set_cm_selection (screen);
screen->compositor_data = info;
#ifdef HAVE_COW
/* Now we're up and running we can show the output if needed */
show_overlay_window (screen, info->output);
#endif
#endif
}