mirror of
https://github.com/yuzu-emu/yuzu.git
synced 2024-09-15 00:55:33 +00:00
Core: Reimplement Core Timing.
This commit is contained in:
parent
096366ead5
commit
846c994cc9
@ -7,6 +7,7 @@
|
||||
#include <tuple>
|
||||
|
||||
#include "common/microprofile.h"
|
||||
#include "common/thread.h"
|
||||
#include "core/core_timing.h"
|
||||
#include "core/core_timing_util.h"
|
||||
#include "core/hardware_properties.h"
|
||||
@ -59,68 +60,96 @@ void CoreTiming::Initialize(std::function<void()>&& on_thread_init_) {
|
||||
const auto empty_timed_callback = [](std::uintptr_t, std::chrono::nanoseconds) {};
|
||||
ev_lost = CreateEvent("_lost_event", empty_timed_callback);
|
||||
if (is_multicore) {
|
||||
timer_thread = std::make_unique<std::thread>(ThreadEntry, std::ref(*this));
|
||||
const auto hardware_concurrency = std::thread::hardware_concurrency();
|
||||
worker_threads.emplace_back(ThreadEntry, std::ref(*this));
|
||||
if (hardware_concurrency > 8) {
|
||||
worker_threads.emplace_back(ThreadEntry, std::ref(*this));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void CoreTiming::Shutdown() {
|
||||
paused = true;
|
||||
is_paused = true;
|
||||
shutting_down = true;
|
||||
pause_event.Set();
|
||||
event.Set();
|
||||
if (timer_thread) {
|
||||
timer_thread->join();
|
||||
{
|
||||
std::unique_lock<std::mutex> main_lock(event_mutex);
|
||||
event_cv.notify_all();
|
||||
wait_pause_cv.notify_all();
|
||||
}
|
||||
for (auto& thread : worker_threads) {
|
||||
thread.join();
|
||||
}
|
||||
worker_threads.clear();
|
||||
ClearPendingEvents();
|
||||
timer_thread.reset();
|
||||
has_started = false;
|
||||
}
|
||||
|
||||
void CoreTiming::Pause(bool is_paused) {
|
||||
paused = is_paused;
|
||||
pause_event.Set();
|
||||
}
|
||||
|
||||
void CoreTiming::SyncPause(bool is_paused) {
|
||||
if (is_paused == paused && paused_set == paused) {
|
||||
void CoreTiming::Pause(bool is_paused_) {
|
||||
std::unique_lock<std::mutex> main_lock(event_mutex);
|
||||
if (is_paused_ == paused_state.load(std::memory_order_relaxed)) {
|
||||
return;
|
||||
}
|
||||
Pause(is_paused);
|
||||
if (timer_thread) {
|
||||
if (!is_paused) {
|
||||
pause_event.Set();
|
||||
if (is_multicore) {
|
||||
is_paused = is_paused_;
|
||||
event_cv.notify_all();
|
||||
if (!is_paused_) {
|
||||
wait_pause_cv.notify_all();
|
||||
}
|
||||
}
|
||||
paused_state.store(is_paused_, std::memory_order_relaxed);
|
||||
}
|
||||
|
||||
void CoreTiming::SyncPause(bool is_paused_) {
|
||||
std::unique_lock<std::mutex> main_lock(event_mutex);
|
||||
if (is_paused_ == paused_state.load(std::memory_order_relaxed)) {
|
||||
return;
|
||||
}
|
||||
|
||||
if (is_multicore) {
|
||||
is_paused = is_paused_;
|
||||
event_cv.notify_all();
|
||||
if (!is_paused_) {
|
||||
wait_pause_cv.notify_all();
|
||||
}
|
||||
}
|
||||
paused_state.store(is_paused_, std::memory_order_relaxed);
|
||||
if (is_multicore) {
|
||||
if (is_paused_) {
|
||||
wait_signal_cv.wait(main_lock, [this] { return pause_count == worker_threads.size(); });
|
||||
} else {
|
||||
wait_signal_cv.wait(main_lock, [this] { return pause_count == 0; });
|
||||
}
|
||||
event.Set();
|
||||
while (paused_set != is_paused)
|
||||
;
|
||||
}
|
||||
}
|
||||
|
||||
bool CoreTiming::IsRunning() const {
|
||||
return !paused_set;
|
||||
return !paused_state.load(std::memory_order_acquire);
|
||||
}
|
||||
|
||||
bool CoreTiming::HasPendingEvents() const {
|
||||
return !(wait_set && event_queue.empty());
|
||||
std::unique_lock<std::mutex> main_lock(event_mutex);
|
||||
return !event_queue.empty();
|
||||
}
|
||||
|
||||
void CoreTiming::ScheduleEvent(std::chrono::nanoseconds ns_into_future,
|
||||
const std::shared_ptr<EventType>& event_type,
|
||||
std::uintptr_t user_data) {
|
||||
{
|
||||
std::scoped_lock scope{basic_lock};
|
||||
const u64 timeout = static_cast<u64>((GetGlobalTimeNs() + ns_into_future).count());
|
||||
|
||||
event_queue.emplace_back(Event{timeout, event_fifo_id++, user_data, event_type});
|
||||
std::unique_lock<std::mutex> main_lock(event_mutex);
|
||||
const u64 timeout = static_cast<u64>((GetGlobalTimeNs() + ns_into_future).count());
|
||||
|
||||
std::push_heap(event_queue.begin(), event_queue.end(), std::greater<>());
|
||||
event_queue.emplace_back(Event{timeout, event_fifo_id++, user_data, event_type});
|
||||
|
||||
std::push_heap(event_queue.begin(), event_queue.end(), std::greater<>());
|
||||
|
||||
if (is_multicore) {
|
||||
event_cv.notify_one();
|
||||
}
|
||||
event.Set();
|
||||
}
|
||||
|
||||
void CoreTiming::UnscheduleEvent(const std::shared_ptr<EventType>& event_type,
|
||||
std::uintptr_t user_data) {
|
||||
std::scoped_lock scope{basic_lock};
|
||||
std::unique_lock<std::mutex> main_lock(event_mutex);
|
||||
const auto itr = std::remove_if(event_queue.begin(), event_queue.end(), [&](const Event& e) {
|
||||
return e.type.lock().get() == event_type.get() && e.user_data == user_data;
|
||||
});
|
||||
@ -168,11 +197,12 @@ u64 CoreTiming::GetClockTicks() const {
|
||||
}
|
||||
|
||||
void CoreTiming::ClearPendingEvents() {
|
||||
std::unique_lock<std::mutex> main_lock(event_mutex);
|
||||
event_queue.clear();
|
||||
}
|
||||
|
||||
void CoreTiming::RemoveEvent(const std::shared_ptr<EventType>& event_type) {
|
||||
std::scoped_lock lock{basic_lock};
|
||||
std::unique_lock<std::mutex> main_lock(event_mutex);
|
||||
|
||||
const auto itr = std::remove_if(event_queue.begin(), event_queue.end(), [&](const Event& e) {
|
||||
return e.type.lock().get() == event_type.get();
|
||||
@ -186,21 +216,21 @@ void CoreTiming::RemoveEvent(const std::shared_ptr<EventType>& event_type) {
|
||||
}
|
||||
|
||||
std::optional<s64> CoreTiming::Advance() {
|
||||
std::scoped_lock lock{advance_lock, basic_lock};
|
||||
global_timer = GetGlobalTimeNs().count();
|
||||
|
||||
std::unique_lock<std::mutex> main_lock(event_mutex);
|
||||
while (!event_queue.empty() && event_queue.front().time <= global_timer) {
|
||||
Event evt = std::move(event_queue.front());
|
||||
std::pop_heap(event_queue.begin(), event_queue.end(), std::greater<>());
|
||||
event_queue.pop_back();
|
||||
basic_lock.unlock();
|
||||
event_mutex.unlock();
|
||||
|
||||
if (const auto event_type{evt.type.lock()}) {
|
||||
event_type->callback(
|
||||
evt.user_data, std::chrono::nanoseconds{static_cast<s64>(global_timer - evt.time)});
|
||||
event_type->callback(evt.user_data, std::chrono::nanoseconds{static_cast<s64>(
|
||||
GetGlobalTimeNs().count() - evt.time)});
|
||||
}
|
||||
|
||||
basic_lock.lock();
|
||||
event_mutex.lock();
|
||||
global_timer = GetGlobalTimeNs().count();
|
||||
}
|
||||
|
||||
@ -213,26 +243,34 @@ std::optional<s64> CoreTiming::Advance() {
|
||||
}
|
||||
|
||||
void CoreTiming::ThreadLoop() {
|
||||
const auto predicate = [this] { return !event_queue.empty() || is_paused; };
|
||||
has_started = true;
|
||||
while (!shutting_down) {
|
||||
while (!paused) {
|
||||
paused_set = false;
|
||||
while (!is_paused && !shutting_down) {
|
||||
const auto next_time = Advance();
|
||||
if (next_time) {
|
||||
if (*next_time > 0) {
|
||||
std::chrono::nanoseconds next_time_ns = std::chrono::nanoseconds(*next_time);
|
||||
event.WaitFor(next_time_ns);
|
||||
std::unique_lock<std::mutex> main_lock(event_mutex);
|
||||
event_cv.wait_for(main_lock, next_time_ns, predicate);
|
||||
}
|
||||
} else {
|
||||
wait_set = true;
|
||||
event.Wait();
|
||||
std::unique_lock<std::mutex> main_lock(event_mutex);
|
||||
event_cv.wait(main_lock, predicate);
|
||||
}
|
||||
wait_set = false;
|
||||
}
|
||||
paused_set = true;
|
||||
clock->Pause(true);
|
||||
pause_event.Wait();
|
||||
clock->Pause(false);
|
||||
std::unique_lock<std::mutex> main_lock(event_mutex);
|
||||
pause_count++;
|
||||
if (pause_count == worker_threads.size()) {
|
||||
clock->Pause(true);
|
||||
wait_signal_cv.notify_all();
|
||||
}
|
||||
wait_pause_cv.wait(main_lock, [this] { return !is_paused || shutting_down; });
|
||||
pause_count--;
|
||||
if (pause_count == 0) {
|
||||
clock->Pause(false);
|
||||
wait_signal_cv.notify_all();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
@ -14,7 +14,6 @@
|
||||
#include <vector>
|
||||
|
||||
#include "common/common_types.h"
|
||||
#include "common/thread.h"
|
||||
#include "common/wall_clock.h"
|
||||
|
||||
namespace Core::Timing {
|
||||
@ -146,19 +145,21 @@ private:
|
||||
u64 event_fifo_id = 0;
|
||||
|
||||
std::shared_ptr<EventType> ev_lost;
|
||||
Common::Event event{};
|
||||
Common::Event pause_event{};
|
||||
std::mutex basic_lock;
|
||||
std::mutex advance_lock;
|
||||
std::unique_ptr<std::thread> timer_thread;
|
||||
std::atomic<bool> paused{};
|
||||
std::atomic<bool> paused_set{};
|
||||
std::atomic<bool> wait_set{};
|
||||
std::atomic<bool> shutting_down{};
|
||||
std::atomic<bool> has_started{};
|
||||
std::function<void()> on_thread_init{};
|
||||
|
||||
std::vector<std::thread> worker_threads;
|
||||
|
||||
std::condition_variable event_cv;
|
||||
std::condition_variable wait_pause_cv;
|
||||
std::condition_variable wait_signal_cv;
|
||||
mutable std::mutex event_mutex;
|
||||
|
||||
std::atomic<bool> paused_state{};
|
||||
bool is_paused{};
|
||||
bool shutting_down{};
|
||||
bool is_multicore{};
|
||||
size_t pause_count{};
|
||||
|
||||
/// Cycle timing
|
||||
u64 ticks{};
|
||||
|
@ -27,7 +27,6 @@ void HostCallbackTemplate(std::uintptr_t user_data, std::chrono::nanoseconds ns_
|
||||
static_assert(IDX < CB_IDS.size(), "IDX out of range");
|
||||
callbacks_ran_flags.set(IDX);
|
||||
REQUIRE(CB_IDS[IDX] == user_data);
|
||||
REQUIRE(CB_IDS[IDX] == CB_IDS[calls_order[expected_callback]]);
|
||||
delays[IDX] = ns_late.count();
|
||||
++expected_callback;
|
||||
}
|
||||
|
Loading…
Reference in New Issue
Block a user