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// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later
#pragma once
#include <memory>
#include <boost/container/flat_map.hpp>
#include "core/hle/service/nvnflinger/buffer_item.h"
namespace Service::Nvidia::Devices {
class nvdisp_disp0;
}
namespace Service::VI {
class Display;
class Layer;
} // namespace Service::VI
namespace Service::Nvnflinger {
using LayerId = u64;
class HardwareComposer {
public:
explicit HardwareComposer();
~HardwareComposer();
u32 ComposeLocked(f32* out_speed_scale, VI::Display& display,
Nvidia::Devices::nvdisp_disp0& nvdisp, u32 frame_advance);
void RemoveLayerLocked(VI::Display& display, LayerId layer_id);
private:
// TODO: do we want to track frame number in vi instead?
u64 m_frame_number{0};
private:
using ReleaseFrameNumber = u64;
struct Framebuffer {
android::BufferItem item{};
ReleaseFrameNumber release_frame_number{};
bool is_acquired{false};
};
enum class CacheStatus : u32 {
NoBufferAvailable,
BufferAcquired,
CachedBufferReused,
};
boost::container::flat_map<LayerId, Framebuffer> m_framebuffers{};
private:
bool TryAcquireFramebufferLocked(VI::Layer& layer, Framebuffer& framebuffer);
CacheStatus CacheFramebufferLocked(VI::Layer& layer, LayerId layer_id);
};
} // namespace Service::Nvnflinger
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