70 lines
1.7 KiB
C++
70 lines
1.7 KiB
C++
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#include "src/PerfCounter.h"
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#include <imgui.h>
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#include <iostream>
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EngineStatistics ES;
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uint64_t EngineInstrumentation::GetPrecisionTime() {
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using namespace std::chrono; // REMINDER: This is kinda ugly but safes line width
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return duration_cast<milliseconds>(high_resolution_clock::now().time_since_epoch()).count();
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}
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void EngineInstrumentation::PerfomanceSamplerInit() {
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ES.frames = 0;
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//EngineInstrumentation::lastSampleTime = GetPrecisionTime();
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}
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void EngineInstrumentation::Update() {
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/*
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uint64_t MilliSecondsPast = GetPrecisionTime() - EngineInstrumentation::lastSampleTime;
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if (MilliSecondsPast >= 1000) {
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ES.frameTime = (float)1000 / ES.frames;
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ES.FPS = ES.frames;
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ES.frames = 0;
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//EngineInstrumentation::lastSampleTime = GetPrecisionTime();
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}
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*/
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}
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void EngineInstrumentation::ShowStats() {
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ImGui::Begin("Statistics", false, ImGuiWindowFlags_NoCollapse | ImGuiWindowFlags_NoResize);
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ImGui::Text("FPS: %i", ES.FPS);
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ImGui::Text("Frame Time: %f", ES.frameTime);
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ImGui::Text("Verts: %i", ES.verts);
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ImGui::Text("Draw Calls: %i", ES.DC);
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ImGui::End();
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}
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PerfSampler::PerfSampler(const std::string& name )
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: name(name)
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{
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using namespace std::chrono;
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startTime = high_resolution_clock::now();
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}
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PerfSampler::~PerfSampler()
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{
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Stop();
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}
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void PerfSampler::Stop()
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{
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using namespace std::chrono;
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auto end = high_resolution_clock::now();
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auto durationInuSeconds =
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duration_cast<nanoseconds>(end.time_since_epoch()).count() -
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duration_cast<nanoseconds>(startTime.time_since_epoch()).count();
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auto ms = durationInuSeconds * 0.001f;
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std::cout << "[" << name << "]" << "Took: " << durationInuSeconds << " us (" << ms << " ms)" << std::endl;
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}
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