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xwm: Fix silly region math 

We were setting up the opaque region to be the window size and then
intersecting with the opaque rectange that's always contained in the window
rectangle.  Just initialize to the opaque rectangle.
This commit is contained in:
Kristian Høgsberg 2013-02-14 22:01:04 -05:00
parent d8b617deea
commit 25bb696fc8
1 changed files with 4 additions and 8 deletions
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12
src/xwayland/window-manager.c
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@ -816,17 +816,13 @@ weston_wm_window_draw_decoration(void *data)
if (window->surface) {
pixman_region32_fini(&window->surface->pending.opaque);
pixman_region32_init_rect(&window->surface->pending.opaque, 0, 0,
width, height);
/* We leave an extra pixel around the X window area to
* make sure we don't sample from the undefined alpha
* channel when filtering. */
pixman_region32_intersect_rect(&window->surface->pending.opaque,
&window->surface->pending.opaque,
x - 1, y - 1,
window->width + 2,
window->height + 2);
pixman_region32_init_rect(&window->surface->pending.opaque,
x - 1, y - 1,
window->width + 2,
window->height + 2);
window->surface->geometry.dirty = 1;
}