low gfx optimisation: don't calculate blur rectangles when we have no blur

(bzr r4151.1.3)

1 files changed, 5 insertions, 5 deletions

diff --git a/plugins/unityshell/src/unityshell.cpp b/plugins/unityshell/src/unityshell.cpp
index fb35b4886..530d9620f 100644
--- a/plugins/unityshell/src/unityshell.cpp
+++ b/plugins/unityshell/src/unityshell.cpp
@@ -884,7 +884,7 @@ void UnityScreen::paintOutput()
 current_draw_binding = old_read_binding;
 #endif
 
- BackgroundEffectHelper::monitor_rect_.Set(0, 0, output->width(), output->height());
+ BackgroundEffectHelper::monitor_rect_.Set(0, 0, screen->width(), screen->height());
 
 // If we have dirty helpers re-copy the backbuffer into a texture
 if (dirty_helpers_on_this_frame_)
@@ -909,10 +909,10 @@ void UnityScreen::paintOutput()
 
 for (CompRect const& rect : blur_region.rects())
 {
- int x = nux::Clamp<int>(rect.x(), 0, output->width());
- int y = nux::Clamp<int>(output->height() - rect.y2(), 0, output->height());
- int width = std::min<int>(output->width() - rect.x(), rect.width());
- int height = std::min<int>(output->height() - y, rect.height());
+ int x = nux::Clamp<int>(rect.x(), 0, screen->width());
+ int y = nux::Clamp<int>(screen->height() - rect.y2(), 0, screen->height());
+ int width = std::min<int>(screen->width() - rect.x(), rect.width());
+ int height = std::min<int>(screen->height() - y, rect.height());
 
 CHECKGL(glCopyTexSubImage2D(surface_target, 0, x, y, x, y, width, height));
 }