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/*
* Copyright (C) 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.
*/
#pragma once
#include <stdint.h>
#include <sys/types.h>
#include <renderengine/Mesh.h>
#include <renderengine/RenderEngine.h>
#include <renderengine/Texture.h>
#include <ui/Region.h>
#include "DisplayHardware/DisplayIdentification.h"
#include "DisplayHardware/HWComposer.h"
#include "DisplayHardware/HWComposerBufferCache.h"
#include "SurfaceFlinger.h"
namespace android {
class LayerBE;
struct CompositionInfo {
std::string layerName;
HWC2::Composition compositionType;
bool firstClear = false;
sp<GraphicBuffer> mBuffer = nullptr;
int mBufferSlot = BufferQueue::INVALID_BUFFER_SLOT;
std::shared_ptr<LayerBE> layer;
struct {
std::shared_ptr<HWC2::Layer> hwcLayer;
DisplayId displayId;
sp<Fence> fence;
HWC2::BlendMode blendMode = HWC2::BlendMode::Invalid;
Rect displayFrame;
float alpha;
FloatRect sourceCrop;
HWC2::Transform transform = HWC2::Transform::None;
int z;
int type;
int appId;
Region visibleRegion;
Region surfaceDamage;
sp<NativeHandle> sidebandStream;
ui::Dataspace dataspace;
hwc_color_t color;
bool clearClientTarget = false;
bool supportedPerFrameMetadata = false;
HdrMetadata hdrMetadata;
mat4 colorTransform;
} hwc;
struct {
bool blackoutLayer = false;
bool clearArea = false;
bool preMultipliedAlpha = false;
bool opaque = false;
bool disableTexture = false;
half4 color;
bool useIdentityTransform = false;
bool Y410BT2020 = false;
} re;
void dump(const char* tag) const;
void dump(std::string& result, const char* tag = nullptr) const;
void dumpHwc(std::string& result, const char* tag = nullptr) const;
void dumpRe(std::string& result, const char* tag = nullptr) const;
};
class LayerBE {
public:
friend class Layer;
friend class BufferLayer;
friend class BufferQueueLayer;
friend class BufferStateLayer;
friend class ColorLayer;
friend class SurfaceFlinger;
// For unit tests
friend class TestableSurfaceFlinger;
LayerBE(Layer* layer, std::string layerName);
explicit LayerBE(const LayerBE& layer);
void onLayerDisplayed(const sp<Fence>& releaseFence);
void clear(renderengine::RenderEngine& renderEngine);
renderengine::Mesh& getMesh() { return mMesh; }
Layer*const mLayer;
private:
// The mesh used to draw the layer in GLES composition mode
renderengine::Mesh mMesh;
// HWC items, accessed from the main thread
struct HWCInfo {
HWCInfo()
: hwc(nullptr),
layer(nullptr),
forceClientComposition(false),
compositionType(HWC2::Composition::Invalid),
clearClientTarget(false),
transform(HWC2::Transform::None) {}
HWComposer* hwc;
std::shared_ptr<HWC2::Layer> layer;
bool forceClientComposition;
HWC2::Composition compositionType;
bool clearClientTarget;
Rect displayFrame;
FloatRect sourceCrop;
HWComposerBufferCache bufferCache;
HWC2::Transform transform;
};
// A layer can be attached to multiple displays when operating in mirror mode
// (a.k.a: when several displays are attached with equal layerStack). In this
// case we need to keep track. In non-mirror mode, a layer will have only one
// HWCInfo.
std::unordered_map<DisplayId, HWCInfo> mHwcLayers;
CompositionInfo compositionInfo;
};
}; // namespace android
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