1 files changed, 49 insertions, 0 deletions
diff --git a/services/surfaceflinger/NativeWindowSurface.cpp b/services/surfaceflinger/NativeWindowSurface.cpp
new file mode 100644
index 0000000000..3fff9283ee
--- /dev/null
+++ b/services/surfaceflinger/NativeWindowSurface.cpp
@@ -0,0 +1,49 @@
+/*
+ * Copyright 2018 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.
+ */
+
+#include "NativeWindowSurface.h"
+
+#include <gui/IGraphicBufferProducer.h>
+#include <gui/Surface.h>
+
+namespace android::surfaceflinger {
+
+NativeWindowSurface::~NativeWindowSurface() = default;
+
+namespace impl {
+
+std::unique_ptr<surfaceflinger::NativeWindowSurface> createNativeWindowSurface(
+        const sp<IGraphicBufferProducer>& producer) {
+    class NativeWindowSurface final : public surfaceflinger::NativeWindowSurface {
+    public:
+        explicit NativeWindowSurface(const sp<IGraphicBufferProducer>& producer)
+              : mSurface(new Surface(producer, /* controlledByApp */ false)) {}
+
+        ~NativeWindowSurface() override = default;
+
+        sp<ANativeWindow> getNativeWindow() const override { return mSurface; }
+
+        void preallocateBuffers() override { mSurface->allocateBuffers(); }
+
+    private:
+        sp<Surface> mSurface;
+    };
+
+    return std::make_unique<NativeWindowSurface>(producer);
+}
+
+} // namespace impl
+} // namespace android::surfaceflinger