UI|libgui: Disable widget background blurring when a game is loaded

Game rendering is simply not efficient enough to be done multiple times per frame => perf hit is too big.
skyjake · Jan 15, 2014 · 628fdc4 · 628fdc4
1 parent 1135742
commit 628fdc4
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Showing 3 changed files with 12 additions and 6 deletions.
diff --git a/doomsday/client/src/ui/clientwindow.cpp b/doomsday/client/src/ui/clientwindow.cpp
@@ -263,18 +263,16 @@ DENG2_OBSERVES(App,              StartupComplete)
             //game->hide();
             background->show();
             gameSelMenu->show();
-            taskBar->console().enableBlur();
         }
         else
         {
             //game->show();
             background->hide();
             gameSelMenu->hide();
-
-            // For the time being, blurring is not compatible with the
-            // legacy OpenGL rendering.
-            taskBar->console().enableBlur(false);
         }
+
+        // Check with Style if blurring is allowed.
+        taskBar->console().enableBlur(taskBar->style().isBlurringAllowed());
     }
 
     void setMode(Mode const &newMode)

diff --git a/doomsday/client/src/ui/windowsystem.cpp b/doomsday/client/src/ui/windowsystem.cpp
@@ -21,6 +21,7 @@
 #include "ui/clientwindow.h"
 #include "gl/gl_main.h"
 #include "clientapp.h"
+#include "dd_main.h"
 
 #include <de/Style>
 #include <QMap>
@@ -31,9 +32,15 @@ DENG2_PIMPL(WindowSystem)
 {
     SettingsRegister settings;
 
+    struct ClientStyle : public Style {
+        bool isBlurringAllowed() const {
+            return !App_GameLoaded();
+        }
+    };
+
     typedef QMap<String, ClientWindow *> Windows;
     Windows windows;
-    Style style;
+    ClientStyle style;
 
     // Mouse motion.
     bool mouseMoved;

diff --git a/doomsday/libappfw/src/guiwidget.cpp b/doomsday/libappfw/src/guiwidget.cpp
@@ -273,6 +273,7 @@ DENG2_PIMPL(GuiWidget)
         GLState::push()
                 .setTarget(blurFB[0]->target())
                 .setViewport(Rectangleui::fromSize(blurSize));
+        blurFB[0]->target().clear(GLTarget::Depth);
         self.root().drawUntil(self);
         GLState::pop();