SF: Separate out render surface code
This creates a new class for the purpose of holding all the
functionality related to flipping the output display surface.
Test: atest libsurfaceflinger_unittest libcompositionengine_test
Bug: 121291683
Change-Id: I108ccb75f3cd6aa1204487b0aed7c67d9fe1b85f
diff --git a/services/surfaceflinger/CompositionEngine/mock/RenderSurface.cpp b/services/surfaceflinger/CompositionEngine/mock/RenderSurface.cpp
new file mode 100644
index 0000000..fe718d6
--- /dev/null
+++ b/services/surfaceflinger/CompositionEngine/mock/RenderSurface.cpp
@@ -0,0 +1,25 @@
+/*
+ * Copyright 2019 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 <compositionengine/mock/RenderSurface.h>
+
+namespace android::compositionengine::mock {
+
+// Explicit default instantiation is recommended.
+RenderSurface::RenderSurface() = default;
+RenderSurface::~RenderSurface() = default;
+
+} // namespace android::compositionengine::mock