[SF] Extract {Display|Layer}RenderArea to separate files
This CL also fixes incorrect sampling bounds in RegionSamplingThread,
caused by ag/11837111.
Bug: 158599281
Test: atest libsurfaceflinger_unittest
Test: take a screenshot from launcher
Test: take a screenshot from YouTube while playing a video
Change-Id: I7e7777071e91a833a7bad4bd77e9d0c989fea9b7
diff --git a/services/surfaceflinger/LayerRenderArea.h b/services/surfaceflinger/LayerRenderArea.h
new file mode 100644
index 0000000..81690b9
--- /dev/null
+++ b/services/surfaceflinger/LayerRenderArea.h
@@ -0,0 +1,60 @@
+/*
+ * Copyright 2020 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.
+ */
+
+#pragma once
+
+#include <string>
+
+#include <ui/GraphicTypes.h>
+#include <ui/Transform.h>
+#include <utils/StrongPointer.h>
+
+#include "RenderArea.h"
+
+namespace android {
+
+class DisplayDevice;
+class Layer;
+class SurfaceFlinger;
+
+class LayerRenderArea : public RenderArea {
+public:
+ LayerRenderArea(SurfaceFlinger& flinger, sp<Layer> layer, const Rect& crop, ui::Size reqSize,
+ ui::Dataspace reqDataSpace, bool childrenOnly, const Rect& displayViewport);
+
+ const ui::Transform& getTransform() const override;
+ Rect getBounds() const override;
+ int getHeight() const override;
+ int getWidth() const override;
+ bool isSecure() const override;
+ bool needsFiltering() const override;
+ sp<const DisplayDevice> getDisplayDevice() const override;
+ Rect getSourceCrop() const override;
+
+ void render(std::function<void()> drawLayers) override;
+
+private:
+ const sp<Layer> mLayer;
+ const Rect mCrop;
+
+ ui::Transform mTransform;
+ bool mNeedsFiltering = false;
+
+ SurfaceFlinger& mFlinger;
+ const bool mChildrenOnly;
+};
+
+} // namespace android
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