Modify color inversion matrix to swap Red and Blue colors

Instead of color inversion it will produce Red and Blue colors swap,
in order to correct displayed colors for R4xx and other old drivers
still based on KMS API

diff --git a/services/accessibility/java/com/android/server/accessibility/DisplayAdjustmentUtils.java b/services/accessibility/java/com/android/server/accessibility/DisplayAdjustmentUtils.java
index c81a876..f97d767 100644 (file)
--- a/services/accessibility/java/com/android/server/accessibility/DisplayAdjustmentUtils.java
+++ b/services/accessibility/java/com/android/server/accessibility/DisplayAdjustmentUtils.java
@@ -50,10 +50,10 @@ class DisplayAdjustmentUtils {
      * for full implementation details.
      */
     private static final float[] MATRIX_INVERT_COLOR = new float[] {
-        0.402f, -0.598f, -0.599f, 0,
-       -1.174f, -0.174f, -1.175f, 0,
-       -0.228f, -0.228f,  0.772f, 0,
-             1,       1,       1, 1
+       0.0f, 0.0f, 1.0f, 0,
+       0.0f, 1.0f, 0.0f, 0,
+       1.0f, 0.0f, 0.0f, 0,
+          0,    0,    0, 1
     };
 
     public static void applyDaltonizerSetting(Context context, int userId) {