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HostDisplay: Manually throttle fullscreen UI presentation

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Fixes flickering screen in fullscreen with Vulkan.
This commit is contained in:
Connor McLaughlin
2022-12-04 14:05:57 +10:00
parent eafa4fb1a3
commit 7d3ac98cc6
19 changed files with 81 additions and 58 deletions
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15
src/core/host_display.cpp
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@ -117,6 +117,21 @@ bool HostDisplay::ShouldSkipDisplayingFrame()
return false;
}
void HostDisplay::ThrottlePresentation()
{
const float throttle_rate = (m_window_info.surface_refresh_rate > 0.0f) ? m_window_info.surface_refresh_rate : 60.0f;
const u64 sleep_period = Common::Timer::ConvertNanosecondsToValue(1e+9f / static_cast<double>(throttle_rate));
const u64 current_ts = Common::Timer::GetCurrentValue();
if (current_ts >= m_last_frame_displayed_time)
m_last_frame_displayed_time = current_ts + sleep_period;
else
m_last_frame_displayed_time += sleep_period;
Common::Timer::SleepUntil(m_last_frame_displayed_time, false);
}
bool HostDisplay::GetHostRefreshRate(float* refresh_rate)
{
if (m_window_info.surface_refresh_rate > 0.0f)