Framework-side of SurfaceView#getBitmap

Bug: 27708453

Change-Id: Ie6fd7eca522d3e6549d8af587c975fd7e6053649
diff --git a/core/jni/android_view_ThreadedRenderer.cpp b/core/jni/android_view_ThreadedRenderer.cpp
index ef45c87..68c818e 100644
--- a/core/jni/android_view_ThreadedRenderer.cpp
+++ b/core/jni/android_view_ThreadedRenderer.cpp
@@ -669,6 +669,14 @@
     proxy->setContentDrawBounds(left, top, right, bottom);
 }
 
+static jboolean android_view_ThreadedRenderer_copySurfaceInto(JNIEnv* env,
+        jobject clazz, jobject jsurface, jobject jbitmap) {
+    SkBitmap bitmap;
+    GraphicsJNI::getSkBitmap(env, jbitmap, &bitmap);
+    sp<Surface> surface = android_view_Surface_getSurface(env, jsurface);
+    return RenderProxy::copySurfaceInto(surface, &bitmap);
+}
+
 // ----------------------------------------------------------------------------
 // FrameMetricsObserver
 // ----------------------------------------------------------------------------
@@ -775,6 +783,8 @@
     { "nRemoveFrameMetricsObserver",
             "(JJ)V",
             (void*)android_view_ThreadedRenderer_removeFrameMetricsObserver },
+    { "nCopySurfaceInto", "(Landroid/view/Surface;Landroid/graphics/Bitmap;)Z",
+                (void*)android_view_ThreadedRenderer_copySurfaceInto },
 };
 
 int register_android_view_ThreadedRenderer(JNIEnv* env) {