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// Copyright 2022 Dolphin Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <atomic>
#include <deque>
#include "Common/CommonTypes.h"
#include "Common/HookableEvent.h"
#include "VideoCommon/PerformanceTracker.h"
namespace Core
{
class System;
}
class PerformanceMetrics
{
public:
PerformanceMetrics();
~PerformanceMetrics() = default;
PerformanceMetrics(const PerformanceMetrics&) = delete;
PerformanceMetrics& operator=(const PerformanceMetrics&) = delete;
PerformanceMetrics(PerformanceMetrics&&) = delete;
PerformanceMetrics& operator=(PerformanceMetrics&&) = delete;
void Reset();
void CountFrame();
void CountVBlank();
// Call from CPU thread.
void CountThrottleSleep(DT sleep);
void AdjustClockSpeed(s64 ticks, u32 new_ppc_clock, u32 old_ppc_clock);
void CountPerformanceMarker(s64 ticks, u32 ticks_per_second);
// Getter Functions. May be called from any thread.
double GetFPS() const;
double GetVPS() const;
double GetSpeed() const;
double GetMaxSpeed() const;
// Call from any thread.
void SetLatestFramePresentationOffset(DT offset);
void SetLatestFrameBufferSize(u32 width, u32 height);
// ImGui Functions
void DrawImGuiStats(const float backbuffer_scale);
private:
struct FrameBufferSize
{
FrameBufferSize() : width(0), height(0) {}
FrameBufferSize(u32 w, u32 h) : width(w), height(h) {}
u32 width;
u32 height;
};
PerformanceTracker m_fps_counter{"render_times.txt"};
PerformanceTracker m_vps_counter{"vblank_times.txt"};
double m_graph_max_time = 0.0;
std::atomic<double> m_speed{};
std::atomic<double> m_max_speed{};
std::atomic<DT> m_frame_presentation_offset{};
std::atomic<FrameBufferSize> m_frame_buffer_size{};
struct PerfSample
{
TimePoint clock_time;
TimePoint work_time;
s64 core_ticks;
};
std::deque<PerfSample> m_samples;
DT m_time_sleeping{};
Common::EventHook m_state_change_hook;
};
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