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