1 files changed, 35 insertions, 0 deletions
diff --git a/native/android/native_window_jni.cpp b/native/android/native_window_jni.cpp
new file mode 100644
index 000000000000..dc3040533974
--- /dev/null
+++ b/native/android/native_window_jni.cpp
@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "Surface"
+
+#include <android/native_window_jni.h>
+#include <android/native_window.h>
+#include <system/window.h>
+
+#include <utils/StrongPointer.h>
+
+#include <android_runtime/android_view_Surface.h>
+
+using namespace android;
+
+ANativeWindow* ANativeWindow_fromSurface(JNIEnv* env, jobject surface) {
+    sp<ANativeWindow> win = android_view_Surface_getNativeWindow(env, surface);
+    if (win != NULL) {
+        win->incStrong((void*)ANativeWindow_fromSurface);
+    }
+    return win.get();
+}