2 files changed, 19 insertions, 0 deletions
diff --git a/core/java/android/view/GLES20Canvas.java b/core/java/android/view/GLES20Canvas.java
index b86455a..6de06d4 100644
--- a/core/java/android/view/GLES20Canvas.java
+++ b/core/java/android/view/GLES20Canvas.java
@@ -994,4 +994,15 @@ class GLES20Canvas extends HardwareCanvas {
             int indexOffset, int indexCount, Paint paint) {
         // TODO: Implement
     }
+
+    @Override
+    public void setOverrideXfermode(PorterDuff.Mode xfermode) {
+        int xfermodeValue = -1;
+        if (xfermode != null) {
+            xfermodeValue = xfermode.nativeInt;
+        }
+        nSetOverrideXfermode(mRenderer, xfermodeValue);
+    }
+
+    private static native void nSetOverrideXfermode(long renderer, int xfermode);
 }
diff --git a/core/jni/android_view_GLES20Canvas.cpp b/core/jni/android_view_GLES20Canvas.cpp
index b023ebd..fe64aba 100644
--- a/core/jni/android_view_GLES20Canvas.cpp
+++ b/core/jni/android_view_GLES20Canvas.cpp
@@ -172,6 +172,12 @@ static jint android_view_GLES20Canvas_getMaxTextureHeight(JNIEnv* env, jobject c
     return Caches::getInstance().maxTextureSize;
 }
 
+static void android_view_GLES20Canvas_setOverrideXfermode(JNIEnv* env, jobject clazz,
+        jlong rendererPtr, int xfermode) {
+    DisplayListRenderer* renderer = reinterpret_cast<DisplayListRenderer*>(rendererPtr);
+    renderer->setOverrideXfermode(xfermode);
+}
+
 // ----------------------------------------------------------------------------
 // State
 // ----------------------------------------------------------------------------
@@ -964,6 +970,8 @@ static JNINativeMethod gMethods[] = {
     { "nGetMaximumTextureWidth",  "()I",       (void*) android_view_GLES20Canvas_getMaxTextureWidth },
     { "nGetMaximumTextureHeight", "()I",       (void*) android_view_GLES20Canvas_getMaxTextureHeight },
 
+    { "nSetOverrideXfermode", "(JI)V",       (void*) android_view_GLES20Canvas_setOverrideXfermode },
+
 #endif
 };