Add Color Correction support

kcmkwin/kwincompositing/compositing.cpp

@@ -113,6 +113,12 @@ int Compositing::glSwapStrategy() const
     }
 }
 
+bool Compositing::glColorCorrection() const
+{
+    KConfigGroup kwinConfig(KSharedConfig::openConfig("kwinrc"), "Compositing");
+    return kwinConfig.readEntry("GLColorCorrection", false);
+}
+
 CompositingType::CompositingType(QObject *parent)
     : QAbstractItemModel(parent) {
 
@@ -221,7 +227,7 @@ int CompositingType::currentOpenGLType()
 }
 
 void CompositingType::syncConfig(int openGLType, int animationSpeed, int windowThumbnail, int glSclaleFilter, bool xrSclaleFilter,
-        bool unredirectFullscreen, int glSwapStrategy)
+        bool unredirectFullscreen, int glSwapStrategy, bool glColorCorrection)
 {
     QString glSwapStrategyValue;
     QString backend;
@@ -282,6 +288,7 @@ void CompositingType::syncConfig(int openGLType, int animationSpeed, int windowT
     kwinConfig.writeEntry("XRenderSmoothScale", xrSclaleFilter);
     kwinConfig.writeEntry("UnredirectFullscreen", unredirectFullscreen);
     kwinConfig.writeEntry("GLPreferBufferSwap", glSwapStrategyValue);
+    kwinConfig.writeEntry("GLColorCorrection", glColorCorrection);
     kwinConfig.sync();
 }
 

kcmkwin/kwincompositing/compositing.h

@@ -38,6 +38,7 @@ class Compositing : public QObject
     Q_PROPERTY(bool xrSclaleFilter READ xrSclaleFilter CONSTANT);
     Q_PROPERTY(bool unredirectFullscreen READ unredirectFullscreen CONSTANT);
     Q_PROPERTY(int glSwapStrategy READ glSwapStrategy CONSTANT);
+    Q_PROPERTY(bool glColorCorrection READ glColorCorrection CONSTANT);
 public:
     explicit Compositing(QObject *parent = 0);
 
@@ -49,6 +50,7 @@ public:
     bool xrSclaleFilter() const;
     bool unredirectFullscreen() const;
     int glSwapStrategy() const;
+    bool glColorCorrection() const;
 
 private:
 
@@ -93,7 +95,7 @@ public:
 
     Q_INVOKABLE int currentOpenGLType();
     Q_INVOKABLE void syncConfig(int openGLType, int animationSpeed, int windowThumbnail, int glSclaleFilter, bool xrSclaleFilter,
-    bool unredirectFullscreen, int glSwapStrategy);
+    bool unredirectFullscreen, int glSwapStrategy, bool glColorCorrection);
 
 private:
     void generateCompositing();

kcmkwin/kwincompositing/qml/EffectView.qml

@@ -70,6 +70,7 @@ Item {
                 apply.enabled = true;
                 glScaleFilter.visible = currentIndex != 3;
                 xrScaleFilter.visible = currentIndex == 3;
+                glColorCorrection.enabled = currentIndex !=3 && glColorCorrection !=4;
             }
         }
 
@@ -188,6 +189,18 @@ Item {
             onCurrentIndexChanged: apply.enabled = true;
         }
 
+        CheckBox {
+            id: glColorCorrection
+            text: i18n("Enable color correction (experimental)")
+            checked: compositing.glColorCorrection
+            enabled: openGLType.currentIndex != 3 && openGLType.currentIndex != 4
+            anchors {
+                top: glSwapStrategy.bottom
+                left: col.right
+            }
+            onClicked: apply.enabled = true
+        }
+
         ColumnLayout {
             id: col
             height: parent.height
@@ -267,7 +280,8 @@ Item {
                 onClicked: {
                     searchModel.syncConfig();
                     apply.enabled = false;
-                    compositingType.syncConfig(openGLType.currentIndex, animationSpeed.value, windowThumbnail.currentIndex, glScaleFilter.currentIndex, xrScaleFilter.currentIndex == 1, unredirectFullScreen.checked, glSwapStrategy.currentIndex);
+                    compositingType.syncConfig(openGLType.currentIndex, animationSpeed.value, windowThumbnail.currentIndex, glScaleFilter.currentIndex, xrScaleFilter.currentIndex == 1,
+                    unredirectFullScreen.checked, glSwapStrategy.currentIndex, glColorCorrection.checked);
                 }
             }