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-rw-r--r--src/compositor/compositor-xrender.c110
1 files changed, 56 insertions, 54 deletions
diff --git a/src/compositor/compositor-xrender.c b/src/compositor/compositor-xrender.c
index fa85105d..0d8b3b6c 100644
--- a/src/compositor/compositor-xrender.c
+++ b/src/compositor/compositor-xrender.c
@@ -626,55 +626,59 @@ cairo_region_to_xserver_region (Display *xdisplay,
}
static void
-shadow_clip (Display *xdisplay,
- Picture shadow_picture,
- XImage *shadow_image,
- MetaShadowType shadow_type,
- MetaFrameBorders borders,
- int width,
- int height)
-{
- int shadow_dx = -1 * shadow_offsets_x [shadow_type];
- int shadow_dy = -1 * shadow_offsets_y [shadow_type];
- XRectangle clip[4];
-
- /* Top */
- clip[0].x = 0;
- clip[0].y = 0;
- clip[0].width = shadow_image->width;
- clip[0].height = shadow_dy + borders.visible.top;
-
- /* Bottom */
- clip[1].x = 0;
- clip[1].y = shadow_dy + (height - borders.visible.bottom);
- clip[1].width = shadow_image->width;
- clip[1].height = shadow_image->height - (shadow_dy + (height - borders.visible.bottom));
-
- /* Left */
- clip[2].x = 0;
- clip[2].y = shadow_dy + borders.visible.top;
- clip[2].width = shadow_dx + borders.visible.left;
- clip[2].height = height - borders.visible.top - borders.visible.bottom;
-
- /* Right */
- clip[3].x = width + shadow_dx;
- clip[3].y = shadow_dy + borders.visible.top;
- clip[3].width = shadow_image->width - (width + shadow_dx);
- clip[3].height = height - borders.visible.top - borders.visible.bottom;
-
- XRenderSetPictureClipRectangles (xdisplay, shadow_picture, 0, 0, clip, 4);
+shadow_picture_clip (Display *xdisplay,
+ Picture shadow_picture,
+ MetaCompWindow *cw,
+ MetaFrameBorders borders,
+ int width,
+ int height)
+{
+ int shadow_dx;
+ int shadow_dy;
+ cairo_region_t *visible_region;
+ XRectangle rect;
+ XserverRegion region1;
+ XserverRegion region2;
+
+ if (!cw->window)
+ return;
+
+ visible_region = meta_window_get_frame_bounds (cw->window);
+
+ if (!visible_region)
+ return;
+
+ shadow_dx = -1 * shadow_offsets_x [cw->shadow_type];
+ shadow_dy = -1 * shadow_offsets_y [cw->shadow_type];
+
+ rect.x = 0;
+ rect.y = 0;
+ rect.width = width;
+ rect.height = height;
+
+ region1 = XFixesCreateRegion (xdisplay, &rect, 1);
+ region2 = cairo_region_to_xserver_region (xdisplay, visible_region);
+
+ XFixesTranslateRegion (xdisplay, region2,
+ shadow_dx, shadow_dy);
+
+ XFixesSubtractRegion (xdisplay, region1, region1, region2);
+ XFixesSetPictureClipRegion (xdisplay, shadow_picture, 0, 0, region1);
+
+ XFixesDestroyRegion (xdisplay, region1);
+ XFixesDestroyRegion (xdisplay, region2);
}
+
static Picture
-shadow_picture (MetaDisplay *display,
- MetaScreen *screen,
- MetaShadowType shadow_type,
- double opacity,
- Picture alpha_pict,
+shadow_picture (MetaDisplay *display,
+ MetaScreen *screen,
+ MetaCompWindow *cw,
+ double opacity,
MetaFrameBorders borders,
- int width,
- int height,
- int *wp,
- int *hp)
+ int width,
+ int height,
+ int *wp,
+ int *hp)
{
Display *xdisplay = meta_display_get_xdisplay (display);
XImage *shadow_image;
@@ -683,7 +687,7 @@ shadow_picture (MetaDisplay *display,
Window xroot = meta_screen_get_xroot (screen);
GC gc;
- shadow_image = make_shadow (display, screen, shadow_type,
+ shadow_image = make_shadow (display, screen, cw->shadow_type,
opacity, width, height);
if (!shadow_image)
return None;
@@ -705,10 +709,9 @@ shadow_picture (MetaDisplay *display,
XFreePixmap (xdisplay, shadow_pixmap);
return None;
}
- shadow_clip (xdisplay,
- shadow_picture, shadow_image, shadow_type,
- borders,
- width, height);
+
+ shadow_picture_clip (xdisplay, shadow_picture, cw, borders,
+ shadow_image->width, shadow_image->height);
gc = XCreateGC (xdisplay, shadow_pixmap, 0, 0);
if (!gc)
@@ -1090,6 +1093,7 @@ win_extents (MetaCompWindow *cw)
if (frame)
meta_frame_calc_borders (frame, &borders);
}
+
cw->shadow_dx = shadow_offsets_x [cw->shadow_type];
cw->shadow_dy = shadow_offsets_y [cw->shadow_type];
@@ -1099,9 +1103,7 @@ win_extents (MetaCompWindow *cw)
if (cw->opacity != (guint) OPAQUE)
opacity = opacity * ((double) cw->opacity) / ((double) OPAQUE);
- cw->shadow = shadow_picture (display, screen, cw->shadow_type,
- opacity, cw->alpha_pict,
- borders,
+ cw->shadow = shadow_picture (display, screen, cw, opacity, borders,
cw->attrs.width + cw->attrs.border_width * 2,
cw->attrs.height + cw->attrs.border_width * 2,
&cw->shadow_width, &cw->shadow_height);