clutter/cogl: Fix invalidation on non-primary monitors with no buffer age

We passed the view rectangle, we however want a fb-scaled rectangle starting at 0,0. Fixes invalidation on other than the primary monitor when those paths are hit. https://gitlab.gnome.org/GNOME/mutter/merge_requests/897
2019-10-29 16:11:39 +01:00
1 changed files with 8 additions and 1 deletions
--- a/clutter/clutter/cogl/clutter-stage-cogl.c
+++ b/clutter/clutter/cogl/clutter-stage-cogl.c
@ -943,9 +943,16 @@ clutter_stage_cogl_redraw_view (ClutterStageWindow *stage_window,
        }
      else
        {
+          cairo_rectangle_int_t clip;
          cairo_region_t *view_region;

-          view_region = cairo_region_create_rectangle (&view_rect);
+          clip = (cairo_rectangle_int_t) {
+            .x = 0,
+            .y = 0,
+            .width = ceilf (view_rect.width * fb_scale),
+            .height = ceilf (view_rect.height * fb_scale)
+          };
+          view_region = cairo_region_create_rectangle (&clip);
          paint_stage (stage_cogl, view, view_region);
          cairo_region_destroy (view_region);
        }