OverlayRenderer: update the blur region before drawing, otherwise we'll get a lag

We need to update BackgroundEffectHelper about the new blurred regions before drawing, otherwise compiz will copy the wrong area to the backbuffer and as result we'll get a corrupted blurred image as background. (bzr r3347.5.17)

1 files changed, 4 insertions, 1 deletions

diff --git a/dash/DashView.cpp b/dash/DashView.cpp
index ab1706ce9..ad8510f19 100644
--- a/dash/DashView.cpp
+++ b/dash/DashView.cpp
@@ -478,6 +478,7 @@ void DashView::AboutToShow()
 
 overlay_window_buttons_->Show();
 
+ renderer_.UpdateBlurBackgroundSize(content_geo_, GetRenderAbsoluteGeometry(), false);
 renderer_.AboutToShow();
 }
 
@@ -592,6 +593,8 @@ void DashView::Relayout()
 if (preview_displaying_)
 preview_container_->SetGeometry(layout_->GetGeometry());
 
+ renderer_.UpdateBlurBackgroundSize(content_geo_, GetRenderAbsoluteGeometry(), false);
+
 QueueDraw();
 }
 
@@ -639,7 +642,7 @@ nux::Geometry DashView::GetBestFitGeometry(nux::Geometry const& for_geo)
 void DashView::Draw(nux::GraphicsEngine& graphics_engine, bool force_draw)
 {
 panel::Style &panel_style = panel::Style::Instance();
- nux::Geometry renderer_geo_abs(GetRenderAbsoluteGeometry());
+ nux::Geometry const& renderer_geo_abs(GetRenderAbsoluteGeometry());
 nux::Geometry renderer_geo(GetGeometry());
 
 renderer_geo.y += panel_style.panel_height;