Texture quality is actually working. (And also quite useful for high-dpi screens).

app/qml/ApplicationSettings.qml

@@ -143,7 +143,7 @@ Item{
     function handleFontChanged(){
         if(!fontManager.item) return;
         fontManager.item.selectedFontIndex = fontIndexes[rasterization];
-        fontManager.item.scaling = fontScaling;
+        fontManager.item.scaling = fontScaling * window_scaling;
 
         var fontSource = fontManager.item.source;
         var pixelSize = fontManager.item.pixelSize;

app/qml/PreprocessedTerminal.qml

@@ -160,7 +160,9 @@ Item{
     }
     MouseArea{
         acceptedButtons: Qt.LeftButton | Qt.MiddleButton | Qt.RightButton
-        anchors.fill: parent
+        // This is incredibly ugly. All this file should be reorganized.
+        width: (parent.width + dleft + dright) / shadersettings.window_scaling - dleft -dright
+        height: (parent.height + dtop + dbottom) / shadersettings.window_scaling - dtop - dbottom
         onWheel:{
             if(wheel.modifiers & Qt.ControlModifier){
                wheel.angleDelta.y > 0 ? zoomIn.trigger() : zoomOut.trigger();
@@ -313,7 +315,7 @@ Item{
     //  BLOOM  ////////////////////////////////////////////////////////////////
 
     Loader{
-        property real scaling: shadersettings.bloom_quality
+        property real scaling: shadersettings.bloom_quality * shadersettings.window_scaling
         id: bloomEffectLoader
         active: mBloom != 0
         asynchronous: true

app/qml/SettingsPerformanceTab.qml

@@ -56,8 +56,8 @@ Tab{
                     id: txtslider
                     onValueChanged: shadersettings.window_scaling = value;
                     value: shadersettings.window_scaling
-                    stepSize: 0.25
+                    stepSize: 0.10
-                    Component.onCompleted: minimumValue = 0.5 //Without this value gets set to 0.5
+                    Component.onCompleted: minimumValue = 0.3 //Without this value gets set to 0.5
                 }
                 Text{text: Math.round(txtslider.value * 100) + "%"}
             }

app/qml/ShaderTerminal.qml

@@ -46,10 +46,10 @@ ShaderEffect {
 
     property bool frameReflections: shadersettings.frameReflections
 
-    property real disp_top: frame.item.displacementTop / height
+    property real disp_top: (frame.item.displacementTop * shadersettings.window_scaling) / height
-    property real disp_bottom: frame.item.displacementBottom / height
+    property real disp_bottom: (frame.item.displacementBottom * shadersettings.window_scaling) / height
-    property real disp_left: frame.item.displacementLeft / width
+    property real disp_left: (frame.item.displacementLeft * shadersettings.window_scaling) / width
-    property real disp_right: frame.item.displacementRight / width
+    property real disp_right: (frame.item.displacementRight * shadersettings.window_scaling) / width
 
     property real screen_brightness: shadersettings.brightness * 1.5 + 0.5
 

app/qml/TerminalContainer.qml

@@ -0,0 +1,55 @@
+import QtQuick 2.2
+
+Item{
+    Item{
+        id: scalableContent
+        width: parent.width * shadersettings.window_scaling
+        height: parent.height * shadersettings.window_scaling
+
+        Loader{
+            id: frame
+            anchors.fill: parent
+            z: 2.1
+            source: shadersettings.frame_source
+        }
+        PreprocessedTerminal{
+            id: terminal
+            anchors.fill: parent
+        }
+        ShaderTerminal{
+            id: shadercontainer
+            anchors.fill: parent
+            opacity: shadersettings.windowOpacity * 0.3 + 0.7
+            z: 1.9
+        }
+    }
+
+    // This is used to render the texture to a lower resolution then scale it up.
+    Loader{
+        id: scalableContentSource
+        active: shadersettings.window_scaling < 1
+        sourceComponent: ShaderEffectSource{
+            sourceItem: scalableContent
+            hideSource: true
+            smooth: true
+        }
+    }
+    Loader{
+        active: shadersettings.window_scaling < 1
+        anchors.fill: parent
+        sourceComponent: ShaderEffect{
+            property var source: scalableContentSource.item
+        }
+    }
+
+    // Terminal size overlay. Shown when terminal size changes.
+    Loader{
+        id: sizeoverlayloader
+        z: 3
+        anchors.centerIn: parent
+        active: shadersettings.show_terminal_size
+        sourceComponent: SizeOverlay{
+            terminalSize: terminal.terminalSize
+        }
+    }
+}

app/qml/main.qml

@@ -113,29 +113,8 @@ ApplicationWindow{
         id: timeManager
         enableTimer: terminalWindow.visible
     }
-    Item{
+    TerminalContainer{
-        id: maincontainer
+        anchors.fill: parent
-        anchors.centerIn: parent
-        width: parent.width * shadersettings.window_scaling
-        height: parent.height * shadersettings.window_scaling
-        scale: 1.0 / shadersettings.window_scaling
-        opacity: shadersettings.windowOpacity * 0.3 + 0.7
-
-        Loader{
-            id: frame
-            anchors.fill: parent
-            z: 2.1
-            source: shadersettings.frame_source
-        }
-        PreprocessedTerminal{
-            id: terminal
-            anchors.fill: parent
-        }
-        ShaderTerminal{
-            id: shadercontainer
-            anchors.fill: parent
-            z: 1.9
-        }
     }
     SettingsWindow{
         id: settingswindow
@@ -145,14 +124,5 @@ ApplicationWindow{
         id: aboutDialog
         visible: false
     }
-    Loader{
-        id: sizeoverlayloader
-        z: 3
-        anchors.centerIn: parent
-        active: shadersettings.show_terminal_size
-        sourceComponent: SizeOverlay{
-            terminalSize: terminal.terminalSize
-        }
-    }
     Component.onCompleted: shadersettings.handleFontChanged();
 }

app/qml/resources.qrc

@@ -65,5 +65,6 @@
         <file>Storage.qml</file>
         <file>CRTMainMenuBar.qml</file>
         <file>SettingsPerformanceTab.qml</file>
+        <file>TerminalContainer.qml</file>
     </qresource>
 </RCC>