50 lines
1.2 KiB
C
50 lines
1.2 KiB
C
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#pragma once
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#include <chrono>
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#include <imgui.h>
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struct EngineStatistics {
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uint32_t lastSampleTime;
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float frameTime;
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uint32_t verts;
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uint32_t DC;
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uint64_t frames;
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uint64_t FPS;
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};
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extern EngineStatistics* ES;
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inline void PerfomanceSamplerInit(){
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ES = new EngineStatistics();
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ES->frames = 0;
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ES->lastSampleTime = 0;
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ES->lastSampleTime = std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::high_resolution_clock::now().time_since_epoch()).count();
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}
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inline void SamplePerformance(void) {
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ES->frames++;
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ES->DC = 0;
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ES->verts = 0;
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unsigned int now = std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::high_resolution_clock::now().time_since_epoch()).count();
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unsigned int MilliSecondsPast = now - ES->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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ES->lastSampleTime = now;
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}
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}
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inline void ShowStats() {
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ImGui::Begin("Statistics", false, ImGuiWindowFlags_NoCollapse | ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoMove);
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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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