- Added an AppSetting param for gamma correction, defaulted to true.

- Added a filed in the Setting dialog to toggle gamma correction on and off

jme3-core/src/main/java/com/jme3/system/AppSettings.java

@@ -143,6 +143,7 @@ public final class AppSettings extends HashMap<String, Object> {
         defaults.put("SettingsDialogImage", "/com/jme3/app/Monkey.png");
         defaults.put("MinHeight", 0);
         defaults.put("MinWidth", 0);
+        defaults.put("GammaCorrection", true);
       //  defaults.put("Icons", null);
     }
 
@@ -745,6 +746,17 @@ public final class AppSettings extends HashMap<String, Object> {
     public void setSettingsDialogImage(String path) {
         putString("SettingsDialogImage", path);
     }
+    
+    /**
+     * Enables Gamma Correction
+     * This requires that the GPU supports GL_ARB_framebuffer_sRGB and will 
+     * disabled otherwise.
+     * @param gammaCorrection 
+     * (Default : true)
+     */
+    public void setGammaCorrection(boolean gammaCorrection) {
+        putBoolean("GammaCorrection", gammaCorrection);
+    }
 
     /**
      * Get the framerate.
@@ -914,4 +926,8 @@ public final class AppSettings extends HashMap<String, Object> {
     public String getSettingsDialogImage() {
         return getString("SettingsDialogImage");
     }
+    
+    public boolean getGammaCorrection() {
+        return getBoolean("GammaCorrection");
+    }
 }

jme3-desktop/src/main/java/com/jme3/app/SettingsDialog.java

@@ -90,6 +90,7 @@ public final class SettingsDialog extends JFrame {
 
     // UI components
     private JCheckBox vsyncBox = null;
+    private JCheckBox gammaBox = null;
     private JCheckBox fullscreenBox = null;
     private JComboBox displayResCombo = null;
     private JComboBox colorDepthCombo = null;
@@ -355,7 +356,10 @@ public final class SettingsDialog extends JFrame {
         });
         vsyncBox = new JCheckBox(resourceBundle.getString("checkbox.vsync"));
         vsyncBox.setSelected(source.isVSync());
-
+        
+        gammaBox = new JCheckBox(resourceBundle.getString("checkbox.gamma"));
+        gammaBox.setSelected(source.getGammaCorrection());
+        
         gbc = new GridBagConstraints();
         gbc.weightx = 0.5;
         gbc.gridx = 0;
@@ -365,12 +369,19 @@ public final class SettingsDialog extends JFrame {
         mainPanel.add(fullscreenBox, gbc);
         gbc = new GridBagConstraints();
         gbc.weightx = 0.5;
-        gbc.insets = new Insets(4, 16, 0, 4);
+      //  gbc.insets = new Insets(4, 16, 0, 4);
         gbc.gridx = 2;
-        gbc.gridwidth = 2;
+      //  gbc.gridwidth = 2;
         gbc.gridy = 1;
-        gbc.anchor = GridBagConstraints.WEST;
+        gbc.anchor = GridBagConstraints.EAST;
         mainPanel.add(vsyncBox, gbc);
+        gbc = new GridBagConstraints();
+        gbc.weightx = 0.5;
+        gbc.gridx = 3;
+        gbc.gridy = 1;       
+        gbc.anchor = GridBagConstraints.WEST;
+        mainPanel.add(gammaBox, gbc);
+
         
         gbc = new GridBagConstraints();
         gbc.insets = new Insets(4, 4, 4, 4);
@@ -420,7 +431,7 @@ public final class SettingsDialog extends JFrame {
         gbc.gridy = 3;
         gbc.anchor = GridBagConstraints.WEST;
         mainPanel.add(antialiasCombo, gbc);
-
+        
         // Set the button action listeners. Cancel disposes without saving, OK
         // saves.
         ok.addActionListener(new ActionListener() {
@@ -517,6 +528,7 @@ public final class SettingsDialog extends JFrame {
         String display = (String) displayResCombo.getSelectedItem();
         boolean fullscreen = fullscreenBox.isSelected();
         boolean vsync = vsyncBox.isSelected();
+        boolean gamma = gammaBox.isSelected();
 
         int width = Integer.parseInt(display.substring(0, display.indexOf(" x ")));
         display = display.substring(display.indexOf(" x ") + 3);
@@ -576,6 +588,7 @@ public final class SettingsDialog extends JFrame {
             source.setFrequency(freq);
             source.setFullscreen(fullscreen);
             source.setVSync(vsync);
+            source.setGammaCorrection(gamma);
             //source.setRenderer(renderer);
             source.setSamples(multisample);
 

jme3-desktop/src/main/resources/com/jme3/app/SettingsDialog.properties

@@ -5,6 +5,7 @@ button.cancel=Cancel
 
 checkbox.fullscreen=Fullscreen?
 checkbox.vsync=Vsync?
+checkbox.gamma=Gamma correction
 
 label.resolutions=Screen Resolution
 label.colordepth=Color Depth