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Merge pull request #13485 from jordan-woyak/timer-dualcore-fix

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CoreTiming: Fix Precision Frame Timing in Dual Core mode on Windows.
This commit is contained in:
JosJuice
2025-04-05 08:52:32 +02:00
committed by GitHub
parent edb1db7400 06afa0036a
commit 2d1671a863
2 changed files with 19 additions and 12 deletions
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24
Source/Core/Core/CoreTiming.cpp
View File

@ -373,22 +373,28 @@ TimePoint CoreTimingManager::GetTargetHostTime(s64 target_cycle)
void CoreTimingManager::SleepUntil(TimePoint time_point) void CoreTimingManager::SleepUntil(TimePoint time_point)
{ {
const TimePoint time = Clock::now(); const bool use_precision_timer = m_use_precision_timer.load(std::memory_order_relaxed);
if (time >= time_point)
return;
if (m_use_precision_timer)
m_precision_timer.SleepUntil(time_point);
else
std::this_thread::sleep_until(time_point);
if (Core::IsCPUThread()) if (Core::IsCPUThread())
{ {
const TimePoint time = Clock::now();
if (use_precision_timer)
m_precision_cpu_timer.SleepUntil(time_point);
else
std::this_thread::sleep_until(time_point);
// Count amount of time sleeping for analytics // Count amount of time sleeping for analytics
const TimePoint time_after_sleep = Clock::now(); const TimePoint time_after_sleep = Clock::now();
g_perf_metrics.CountThrottleSleep(time_after_sleep - time); g_perf_metrics.CountThrottleSleep(time_after_sleep - time);
} }
else
{
if (use_precision_timer)
m_precision_gpu_timer.SleepUntil(time_point);
else
std::this_thread::sleep_until(time_point);
}
} }
void CoreTimingManager::Throttle(const s64 target_cycle) void CoreTimingManager::Throttle(const s64 target_cycle)

7
Source/Core/Core/CoreTiming.h
View File

@ -159,7 +159,7 @@ public:
// Throttle the CPU to the specified target cycle. // Throttle the CPU to the specified target cycle.
void Throttle(const s64 target_cycle); void Throttle(const s64 target_cycle);
// May be used from any thread. // May be used from CPU or GPU thread.
void SleepUntil(TimePoint time_point); void SleepUntil(TimePoint time_point);
// Used by VideoInterface // Used by VideoInterface
@ -216,8 +216,9 @@ private:
int DowncountToCycles(int downcount) const; int DowncountToCycles(int downcount) const;
int CyclesToDowncount(int cycles) const; int CyclesToDowncount(int cycles) const;
bool m_use_precision_timer = false; std::atomic_bool m_use_precision_timer = false;
Common::PrecisionTimer m_precision_timer; Common::PrecisionTimer m_precision_cpu_timer;
Common::PrecisionTimer m_precision_gpu_timer;
}; };
} // namespace CoreTiming } // namespace CoreTiming