SF: Setup CompositionEngine::Layer
Add a Layer class to CompositionEngine, and modify ColorLayer and
BufferLayer to create them.
Also sets up CompositionEngine::LayerFE as an interface to be
implemented by the SF Layer class.
Test: atest libsurfaceflinger_unittest libcompositionengine_test
Bug: 121291683
Change-Id: I2ed83355e81f36954b034ec60dd1a24c631f4874
diff --git a/services/surfaceflinger/CompositionEngine/src/Layer.cpp b/services/surfaceflinger/CompositionEngine/src/Layer.cpp
new file mode 100644
index 0000000..aaa758e
--- /dev/null
+++ b/services/surfaceflinger/CompositionEngine/src/Layer.cpp
@@ -0,0 +1,46 @@
+/*
+ * 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/CompositionEngine.h>
+#include <compositionengine/LayerCreationArgs.h>
+#include <compositionengine/LayerFE.h>
+#include <compositionengine/impl/Layer.h>
+
+namespace android::compositionengine {
+
+Layer::~Layer() = default;
+
+namespace impl {
+
+std::shared_ptr<compositionengine::Layer> createLayer(
+ const compositionengine::CompositionEngine& compositionEngine,
+ compositionengine::LayerCreationArgs&& args) {
+ return std::make_shared<Layer>(compositionEngine, std::move(args));
+}
+
+Layer::Layer(const CompositionEngine& compositionEngine, LayerCreationArgs&& args)
+ : mCompositionEngine(compositionEngine), mLayerFE(args.layerFE) {
+ static_cast<void>(mCompositionEngine); // Temporary use to prevent an unused warning
+}
+
+Layer::~Layer() = default;
+
+sp<LayerFE> Layer::getLayerFE() const {
+ return mLayerFE.promote();
+}
+
+} // namespace impl
+} // namespace android::compositionengine