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HostInterface: Don't sleep when syncing to host refresh

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This commit is contained in:
Connor McLaughlin 2021-01-12 02:04:49 +10:00
parent 0884954d10
commit 16ad54143b
1 changed files with 7 additions and 3 deletions
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10
src/frontend-common/common_host_interface.cpp
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@ -609,6 +609,7 @@ void CommonHostInterface::UpdateSpeedLimiterState()
(m_fast_forward_enabled ? g_settings.fast_forward_speed : g_settings.emulation_speed); (m_fast_forward_enabled ? g_settings.fast_forward_speed : g_settings.emulation_speed);
m_speed_limiter_enabled = (target_speed != 0.0f); m_speed_limiter_enabled = (target_speed != 0.0f);
bool syncing_to_host = false;
if (g_settings.sync_to_host_refresh_rate && g_settings.audio_resampling && target_speed == 1.0f && if (g_settings.sync_to_host_refresh_rate && g_settings.audio_resampling && target_speed == 1.0f &&
g_settings.video_sync_enabled && m_display && System::IsRunning()) g_settings.video_sync_enabled && m_display && System::IsRunning())
{ {
@ -616,10 +617,10 @@ void CommonHostInterface::UpdateSpeedLimiterState()
if (m_display->GetHostRefreshRate(&host_refresh_rate)) if (m_display->GetHostRefreshRate(&host_refresh_rate))
{ {
const float ratio = host_refresh_rate / System::GetThrottleFrequency(); const float ratio = host_refresh_rate / System::GetThrottleFrequency();
const bool can_sync = (ratio >= 0.95f && ratio <= 1.05f); syncing_to_host = (ratio >= 0.95f && ratio <= 1.05f);
Log_InfoPrintf("Refresh rate: Host=%fhz Guest=%fhz Ratio=%f - %s", host_refresh_rate, Log_InfoPrintf("Refresh rate: Host=%fhz Guest=%fhz Ratio=%f - %s", host_refresh_rate,
System::GetThrottleFrequency(), ratio, can_sync ? "can sync" : "can't sync"); System::GetThrottleFrequency(), ratio, syncing_to_host ? "can sync" : "can't sync");
if (can_sync) if (syncing_to_host)
target_speed *= ratio; target_speed *= ratio;
} }
} }
@ -663,6 +664,9 @@ void CommonHostInterface::UpdateSpeedLimiterState()
System::SetTargetSpeed(m_speed_limiter_enabled ? target_speed : 1.0f); System::SetTargetSpeed(m_speed_limiter_enabled ? target_speed : 1.0f);
System::ResetPerformanceCounters(); System::ResetPerformanceCounters();
} }
if (syncing_to_host)
m_speed_limiter_enabled = false;
} }
void CommonHostInterface::RecreateSystem() void CommonHostInterface::RecreateSystem()