suyu/src/core/hle/service/nvflinger/nvflinger.h
Morph 99ceb03a1c general: Convert source file copyright comments over to SPDX
This formats all copyright comments according to SPDX formatting guidelines.
Additionally, this resolves the remaining GPLv2 only licensed files by relicensing them to GPLv2.0-or-later.
2022-04-23 05:55:32 -04:00

142 lines
4.3 KiB
C++

// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later
#pragma once
#include <list>
#include <memory>
#include <mutex>
#include <optional>
#include <thread>
#include <vector>
#include "common/common_types.h"
#include "core/hle/service/kernel_helpers.h"
namespace Common {
class Event;
} // namespace Common
namespace Core::Timing {
class CoreTiming;
struct EventType;
} // namespace Core::Timing
namespace Kernel {
class KReadableEvent;
class KWritableEvent;
} // namespace Kernel
namespace Service::Nvidia {
class Module;
} // namespace Service::Nvidia
namespace Service::VI {
class Display;
class Layer;
} // namespace Service::VI
namespace Service::android {
class BufferQueueCore;
class BufferQueueProducer;
} // namespace Service::android
namespace Service::NVFlinger {
class NVFlinger final {
public:
explicit NVFlinger(Core::System& system_, HosBinderDriverServer& hos_binder_driver_server_);
~NVFlinger();
/// Sets the NVDrv module instance to use to send buffers to the GPU.
void SetNVDrvInstance(std::shared_ptr<Nvidia::Module> instance);
/// Opens the specified display and returns the ID.
///
/// If an invalid display name is provided, then an empty optional is returned.
[[nodiscard]] std::optional<u64> OpenDisplay(std::string_view name);
/// Creates a layer on the specified display and returns the layer ID.
///
/// If an invalid display ID is specified, then an empty optional is returned.
[[nodiscard]] std::optional<u64> CreateLayer(u64 display_id);
/// Closes a layer on all displays for the given layer ID.
void CloseLayer(u64 layer_id);
/// Finds the buffer queue ID of the specified layer in the specified display.
///
/// If an invalid display ID or layer ID is provided, then an empty optional is returned.
[[nodiscard]] std::optional<u32> FindBufferQueueId(u64 display_id, u64 layer_id);
/// Gets the vsync event for the specified display.
///
/// If an invalid display ID is provided, then nullptr is returned.
[[nodiscard]] Kernel::KReadableEvent* FindVsyncEvent(u64 display_id);
/// Performs a composition request to the emulated nvidia GPU and triggers the vsync events when
/// finished.
void Compose();
[[nodiscard]] s64 GetNextTicks() const;
private:
struct Layer {
std::unique_ptr<android::BufferQueueCore> core;
std::unique_ptr<android::BufferQueueProducer> producer;
};
private:
[[nodiscard]] std::unique_lock<std::mutex> Lock() const {
return std::unique_lock{*guard};
}
/// Finds the display identified by the specified ID.
[[nodiscard]] VI::Display* FindDisplay(u64 display_id);
/// Finds the display identified by the specified ID.
[[nodiscard]] const VI::Display* FindDisplay(u64 display_id) const;
/// Finds the layer identified by the specified ID in the desired display.
[[nodiscard]] VI::Layer* FindLayer(u64 display_id, u64 layer_id);
/// Finds the layer identified by the specified ID in the desired display.
[[nodiscard]] const VI::Layer* FindLayer(u64 display_id, u64 layer_id) const;
/// Finds the layer identified by the specified ID in the desired display,
/// or creates the layer if it is not found.
/// To be used when the system expects the specified ID to already exist.
[[nodiscard]] VI::Layer* FindOrCreateLayer(u64 display_id, u64 layer_id);
/// Creates a layer with the specified layer ID in the desired display.
void CreateLayerAtId(VI::Display& display, u64 layer_id);
void SplitVSync(std::stop_token stop_token);
std::shared_ptr<Nvidia::Module> nvdrv;
std::list<VI::Display> displays;
/// Id to use for the next layer that is created, this counter is shared among all displays.
u64 next_layer_id = 1;
/// Id to use for the next buffer queue that is created, this counter is shared among all
/// layers.
u32 next_buffer_queue_id = 1;
u32 swap_interval = 1;
/// Event that handles screen composition.
std::shared_ptr<Core::Timing::EventType> composition_event;
std::shared_ptr<std::mutex> guard;
Core::System& system;
std::jthread vsync_thread;
KernelHelpers::ServiceContext service_context;
HosBinderDriverServer& hos_binder_driver_server;
};
} // namespace Service::NVFlinger