Since surface.commit was introduced, opqaue regions are stored in a pending
variable that isn't used until surface.commit. Xwayland uses the surface opaque
region as a way to tell weston what region of the surface should be opaque.
However when this pending opaque region was introduced, xwm was not updated
and so we have the 'black = transparent' problem again. This patch fixes the
problem by having xwm use the pending opaque regions.
---

Hi, I noticed this broke again and fixed it here. However, now I'm wondering
if weston_surface needs an opaque region at all anymore. It seems the only thing
that uses it is weston_surface_update_transform_disable(). I'm not sure if this
is the best fix but the opaque region system could use a closer examination
now that surface.commit is in place.

 src/xwayland/window-manager.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/src/xwayland/window-manager.c b/src/xwayland/window-manager.c
index 57b4e3c..1b2c0da 100644
--- a/src/xwayland/window-manager.c
+++ b/src/xwayland/window-manager.c
@@ -745,15 +745,15 @@ weston_wm_window_draw_decoration(void *data)
        cairo_destroy(cr);
 
        if (window->surface) {
-               pixman_region32_fini(&window->surface->opaque);
-               pixman_region32_init_rect(&window->surface->opaque, 0, 0,
+               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->opaque,
-                                              &window->surface->opaque,
+               pixman_region32_intersect_rect(&window->surface->pending.opaque,
+                                              &window->surface->pending.opaque,
                                               x - 1, y - 1,
                                               window->width + 2,
                                               window->height + 2);
@@ -775,8 +775,8 @@ weston_wm_window_schedule_repaint(struct weston_wm_window 
*window)
        if (window->frame_id == XCB_WINDOW_NONE) {
                if (window->surface != NULL) {
                        weston_wm_window_get_frame_size(window, &width, 
&height);
-                       pixman_region32_fini(&window->surface->opaque);
-                       pixman_region32_init_rect(&window->surface->opaque, 0, 
0,
+                       pixman_region32_fini(&window->surface->pending.opaque);
+                       
pixman_region32_init_rect(&window->surface->pending.opaque, 0, 0,
                                                  width, height);
                        window->surface->geometry.dirty = 1;
                }
-- 
1.7.11.7

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