* Forgot to remove withSRGB from LwjglCanvas

jme3-lwjgl/src/main/java/com/jme3/renderer/lwjgl/LwjglRenderer.java

@@ -2565,14 +2565,25 @@ public class LwjglRenderer implements Renderer {
             return;
         }
         
+        setFrameBuffer(null);
+
         if (enableSrgb) {
             if (!glGetBoolean(GL30.GL_FRAMEBUFFER_SRGB_CAPABLE)) {
-                logger.warning("Driver claims that default framebuffer " + 
-                               "is not sRGB capable. Enabling anyway.");
+                logger.warning("Driver claims that default framebuffer "
+                        + "is not sRGB capable. Enabling anyway.");
             }
-            
+
+            int encoding = GL30.glGetFramebufferAttachmentParameteri(GL30.GL_DRAW_FRAMEBUFFER,
+                    GL_FRONT_LEFT,
+                    GL30.GL_FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING);
+
+            if (encoding != GL21.GL_SRGB) {
+                logger.warning("Driver claims that default framebuffer "
+                        + "is not using sRGB color encoding. Enabling anyway.");
+            }
+
             glEnable(GL30.GL_FRAMEBUFFER_SRGB);
-            
+
             logger.log(Level.FINER, "SRGB FrameBuffer enabled (Gamma Correction)");
         } else {
             glDisable(GL30.GL_FRAMEBUFFER_SRGB);

jme3-lwjgl/src/main/java/com/jme3/system/lwjgl/LwjglCanvas.java

@@ -308,8 +308,7 @@ public class LwjglCanvas extends LwjglAbstractDisplay implements JmeCanvasContex
                                                 0,
                                                 0, 
                                                 0, 
-                                                settings.useStereo3D())
-                                    .withSRGB(settings.getGammaCorrection());
+                                                settings.useStereo3D());
             }
             return pbufferFormat;
         }else{
@@ -323,8 +322,7 @@ public class LwjglCanvas extends LwjglAbstractDisplay implements JmeCanvasContex
                                                0,
                                                0, 
                                                0, 
-                                               settings.useStereo3D())
-                                    .withSRGB(settings.getGammaCorrection());
+                                               settings.useStereo3D());
             }
             return canvasFormat;
         }

jme3-lwjgl/src/main/java/com/jme3/system/lwjgl/LwjglDisplay.java

@@ -91,8 +91,7 @@ public class LwjglDisplay extends LwjglAbstractDisplay {
                                          0, 
                                          0, 
                                          0, 
-                                         settings.useStereo3D())
-                                .withSRGB(settings.getGammaCorrection());
+                                         settings.useStereo3D());
         
         frameRate = settings.getFrameRate();
         logger.log(Level.FINE, "Selected display mode: {0}", displayMode);

jme3-lwjgl/src/main/java/com/jme3/system/lwjgl/LwjglOffscreenBuffer.java

@@ -65,8 +65,7 @@ public class LwjglOffscreenBuffer extends LwjglContext implements Runnable {
                                       0,
                                       settings.getDepthBits(),
                                       settings.getStencilBits(),
-                                      samples)
-                            .withSRGB(settings.getGammaCorrection());
+                                      samples);
         
         width = settings.getWidth();
         height = settings.getHeight();