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VideoCommon/PerformanceMetrics: Display current offset between the latest frame presentation time and the intended presentation time in the "Show Frame Times" box.

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This commit is contained in:
Jordan Woyak 2025-10-27 23:59:31 -05:00
parent c2a1dce246
commit bf61c890ca
3 changed files with 20 additions and 0 deletions
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4
Source/Core/Core/Core.cpp
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@ -868,6 +868,10 @@ void Callback_FramePresented(const PresentInfo& present_info)
{ {
g_perf_metrics.CountFrame(); g_perf_metrics.CountFrame();
const auto presentation_offset =
present_info.actual_present_time - present_info.intended_present_time;
g_perf_metrics.SetLatestFramePresentationOffset(presentation_offset);
if (present_info.reason == PresentInfo::PresentReason::VideoInterfaceDuplicate) if (present_info.reason == PresentInfo::PresentReason::VideoInterfaceDuplicate)
return; return;

11
Source/Core/VideoCommon/PerformanceMetrics.cpp
View File

@ -23,6 +23,8 @@ void PerformanceMetrics::Reset()
m_speed = 0; m_speed = 0;
m_max_speed = 0; m_max_speed = 0;
m_frame_presentation_offset = DT{};
} }
void PerformanceMetrics::CountFrame() void PerformanceMetrics::CountFrame()
@ -98,6 +100,11 @@ double PerformanceMetrics::GetMaxSpeed() const
return m_max_speed.load(std::memory_order_relaxed); return m_max_speed.load(std::memory_order_relaxed);
} }
void PerformanceMetrics::SetLatestFramePresentationOffset(DT offset)
{
m_frame_presentation_offset.store(offset, std::memory_order_relaxed);
}
void PerformanceMetrics::DrawImGuiStats(const float backbuffer_scale) void PerformanceMetrics::DrawImGuiStats(const float backbuffer_scale)
{ {
m_vps_counter.UpdateStats(); m_vps_counter.UpdateStats();
@ -293,6 +300,10 @@ void PerformanceMetrics::DrawImGuiStats(const float backbuffer_scale)
DT_ms(m_fps_counter.GetDtAvg()).count()); DT_ms(m_fps_counter.GetDtAvg()).count());
ImGui::TextColored(ImVec4(r, g, b, 1.0f), " ±:%6.2lfms", ImGui::TextColored(ImVec4(r, g, b, 1.0f), " ±:%6.2lfms",
DT_ms(m_fps_counter.GetDtStd()).count()); DT_ms(m_fps_counter.GetDtStd()).count());
const auto offset =
DT_ms(m_frame_presentation_offset.load(std::memory_order_relaxed)).count();
ImGui::TextColored(ImVec4(r, g, b, 1.0f), "ofs:%5.1lfms", offset);
} }
} }
ImGui::End(); ImGui::End();

5
Source/Core/VideoCommon/PerformanceMetrics.h
View File

@ -43,6 +43,9 @@ public:
double GetSpeed() const; double GetSpeed() const;
double GetMaxSpeed() const; double GetMaxSpeed() const;
// Call from any thread.
void SetLatestFramePresentationOffset(DT offset);
// ImGui Functions // ImGui Functions
void DrawImGuiStats(const float backbuffer_scale); void DrawImGuiStats(const float backbuffer_scale);
@ -55,6 +58,8 @@ private:
std::atomic<double> m_speed{}; std::atomic<double> m_speed{};
std::atomic<double> m_max_speed{}; std::atomic<double> m_max_speed{};
std::atomic<DT> m_frame_presentation_offset{};
struct PerfSample struct PerfSample
{ {
TimePoint clock_time; TimePoint clock_time;