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/*
* Copyright 2023 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 <gui/DisplayInfo.h>
#include "FrontEnd/LayerCreationArgs.h"
#include "RequestedLayerState.h"
#include "TransactionState.h"
namespace android {
struct LayerCreatedState {
LayerCreatedState(const wp<Layer>& layer, const wp<Layer>& parent, bool addToRoot)
: layer(layer), initialParent(parent), addToRoot(addToRoot) {}
wp<Layer> layer;
// Indicates the initial parent of the created layer, only used for creating layer in
// SurfaceFlinger. If nullptr, it may add the created layer into the current root layers.
wp<Layer> initialParent;
// Indicates whether the layer getting created should be added at root if there's no parent
// and has permission ACCESS_SURFACE_FLINGER. If set to false and no parent, the layer will
// be added offscreen.
bool addToRoot;
};
} // namespace android
namespace android::surfaceflinger::frontend {
// Atomic set of changes affecting layer state. These changes are queued in binder threads and
// applied every vsync.
struct Update {
std::vector<TransactionState> transactions;
std::vector<LayerCreatedState> layerCreatedStates;
std::vector<std::unique_ptr<frontend::RequestedLayerState>> newLayers;
std::vector<LayerCreationArgs> layerCreationArgs;
std::vector<std::pair<uint32_t, std::string /* debugName */>> destroyedHandles;
};
} // namespace android::surfaceflinger::frontend
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