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https://github.com/yuzu-emu/yuzu.git
synced 2024-08-25 01:27:19 +02:00
Services/NvFlinger: Do vSync in a sepparate thread on Multicore.
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39ddce1ab5
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272a87127a
@ -294,8 +294,6 @@ struct System::Impl {
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service_manager.reset();
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cheat_engine.reset();
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telemetry_session.reset();
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perf_stats.reset();
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gpu_core.reset();
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device_memory.reset();
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// Close all CPU/threading state
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@ -307,6 +305,8 @@ struct System::Impl {
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// Close app loader
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app_loader.reset();
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gpu_core.reset();
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perf_stats.reset();
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// Clear all applets
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applet_manager.ClearAll();
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@ -764,4 +764,8 @@ void System::ExitDynarmicProfile() {
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MicroProfileLeave(impl->microprofile_dynarmic[core], impl->dynarmic_ticks[core]);
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}
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bool System::IsMulticore() const {
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return impl->is_multicore;
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}
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} // namespace Core
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@ -381,6 +381,9 @@ public:
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/// Exit Dynarmic Microprofile
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void ExitDynarmicProfile();
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/// Tells if system is running on multicore.
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bool IsMulticore() const;
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private:
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System();
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@ -9,6 +9,7 @@
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#include "common/logging/log.h"
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#include "common/microprofile.h"
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#include "common/scope_exit.h"
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#include "common/thread.h"
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#include "core/core.h"
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#include "core/core_timing.h"
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#include "core/core_timing_util.h"
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@ -30,6 +31,33 @@ namespace Service::NVFlinger {
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constexpr s64 frame_ticks = static_cast<s64>(1000000000 / 60);
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constexpr s64 frame_ticks_30fps = static_cast<s64>(1000000000 / 30);
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void NVFlinger::VSyncThread(NVFlinger& nv_flinger) {
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nv_flinger.SplitVSync();
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}
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void NVFlinger::SplitVSync() {
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system.RegisterHostThread();
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std::string name = "yuzu:VSyncThread";
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MicroProfileOnThreadCreate(name.c_str());
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Common::SetCurrentThreadName(name.c_str());
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Common::SetCurrentThreadPriority(Common::ThreadPriority::High);
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s64 delay = 0;
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while (is_running) {
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guard->lock();
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const s64 time_start = system.CoreTiming().GetGlobalTimeNs().count();
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Compose();
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const auto ticks = GetNextTicks();
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const s64 time_end = system.CoreTiming().GetGlobalTimeNs().count();
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const s64 time_passed = time_end - time_start;
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const s64 next_time = std::max<s64>(0, ticks - time_passed - delay);
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guard->unlock();
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if (next_time > 0) {
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wait_event->WaitFor(std::chrono::nanoseconds{next_time});
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}
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delay = (system.CoreTiming().GetGlobalTimeNs().count() - time_end) - next_time;
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}
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}
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NVFlinger::NVFlinger(Core::System& system) : system(system) {
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displays.emplace_back(0, "Default", system);
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displays.emplace_back(1, "External", system);
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@ -47,12 +75,25 @@ NVFlinger::NVFlinger(Core::System& system) : system(system) {
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this->system.CoreTiming().ScheduleEvent(std::max<s64>(0LL, ticks - ns_late),
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composition_event);
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});
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system.CoreTiming().ScheduleEvent(frame_ticks, composition_event);
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if (system.IsMulticore()) {
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is_running = true;
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wait_event = std::make_unique<Common::Event>();
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vsync_thread = std::make_unique<std::thread>(VSyncThread, std::ref(*this));
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} else {
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system.CoreTiming().ScheduleEvent(frame_ticks, composition_event);
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}
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}
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NVFlinger::~NVFlinger() {
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system.CoreTiming().UnscheduleEvent(composition_event, 0);
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if (system.IsMulticore()) {
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is_running = false;
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wait_event->Set();
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vsync_thread->join();
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vsync_thread.reset();
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wait_event.reset();
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} else {
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system.CoreTiming().UnscheduleEvent(composition_event, 0);
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}
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}
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void NVFlinger::SetNVDrvInstance(std::shared_ptr<Nvidia::Module> instance) {
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@ -200,10 +241,12 @@ void NVFlinger::Compose() {
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auto& gpu = system.GPU();
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const auto& multi_fence = buffer->get().multi_fence;
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guard->unlock();
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for (u32 fence_id = 0; fence_id < multi_fence.num_fences; fence_id++) {
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const auto& fence = multi_fence.fences[fence_id];
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gpu.WaitFence(fence.id, fence.value);
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}
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guard->lock();
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MicroProfileFlip();
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@ -4,16 +4,22 @@
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#pragma once
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#include <atomic>
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#include <memory>
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#include <mutex>
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#include <optional>
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#include <string>
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#include <string_view>
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#include <vector>
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#include <thread>
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#include "common/common_types.h"
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#include "core/hle/kernel/object.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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@ -97,6 +103,10 @@ private:
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/// Finds the layer identified by the specified ID in the desired display.
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const VI::Layer* FindLayer(u64 display_id, u64 layer_id) const;
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static void VSyncThread(NVFlinger& nv_flinger);
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void SplitVSync();
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std::shared_ptr<Nvidia::Module> nvdrv;
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std::vector<VI::Display> displays;
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@ -116,6 +126,10 @@ private:
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std::shared_ptr<std::mutex> guard;
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Core::System& system;
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std::unique_ptr<std::thread> vsync_thread;
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std::unique_ptr<Common::Event> wait_event;
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std::atomic<bool> is_running{};
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};
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} // namespace Service::NVFlinger
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