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// Copyright 2019 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <string>
#include <vector>
#include "common/common_types.h"
#include "core/hle/kernel/writable_event.h"
namespace Service::NVFlinger {
class BufferQueue;
}
namespace Service::VI {
class Layer;
/// Represents a single display type
class Display {
public:
/// Constructs a display with a given unique ID and name.
///
/// @param id The unique ID for this display.
/// @param name The name for this display.
///
Display(u64 id, std::string name);
~Display();
Display(const Display&) = delete;
Display& operator=(const Display&) = delete;
Display(Display&&) = default;
Display& operator=(Display&&) = default;
/// Gets the unique ID assigned to this display.
u64 GetID() const {
return id;
}
/// Gets the name of this display
const std::string& GetName() const {
return name;
}
/// Whether or not this display has any layers added to it.
bool HasLayers() const {
return !layers.empty();
}
/// Gets a layer for this display based off an index.
Layer& GetLayer(std::size_t index);
/// Gets a layer for this display based off an index.
const Layer& GetLayer(std::size_t index) const;
/// Gets the readable vsync event.
Kernel::SharedPtr<Kernel::ReadableEvent> GetVSyncEvent() const;
/// Signals the internal vsync event.
void SignalVSyncEvent();
/// Creates and adds a layer to this display with the given ID.
///
/// @param id The ID to assign to the created layer.
/// @param buffer_queue The buffer queue for the layer instance to use.
///
void CreateLayer(u64 id, std::shared_ptr<NVFlinger::BufferQueue> buffer_queue);
/// Attempts to find a layer with the given ID.
///
/// @param id The layer ID.
///
/// @returns If found, the Layer instance with the given ID.
/// If not found, then nullptr is returned.
///
Layer* FindLayer(u64 id);
/// Attempts to find a layer with the given ID.
///
/// @param id The layer ID.
///
/// @returns If found, the Layer instance with the given ID.
/// If not found, then nullptr is returned.
///
const Layer* FindLayer(u64 id) const;
private:
u64 id;
std::string name;
std::vector<Layer> layers;
Kernel::EventPair vsync_event;
};
} // namespace Service::VI
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