89 lines
2.6 KiB
C++
89 lines
2.6 KiB
C++
/*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/.
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*/
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#include "PerformanceInfo.hpp"
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#include "Base/FrameMetadata.hpp"
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#include "Base/Utils.hpp"
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#include "Host/SystemInfo.hpp"
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#include "Math/ByteSize.hpp"
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#include "ImGuiExtensions/ImGuiTextFmt.hpp"
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#include "ImGuiExtensions/ImGuiPlotTwoLines.hpp"
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#include <assert.h>
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namespace OpenVulkano::Scene::UI
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{
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namespace
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{
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float FrameCollectionValuesGetter(void *data, int index)
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{
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auto frameCollection = reinterpret_cast<FrameTimeCollection *>(data);
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float value = frameCollection->m_frameTimes[index];
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float result = value / frameCollection->m_maxValue * 100;
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return result;
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}
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float RamValuesGetter(void *data, int index)
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{
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auto queue = reinterpret_cast<std::deque<float> *>(data);
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float used = (*queue)[index];
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float max = SystemInfo::GetAppRamMax();
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float percentage = used / max * 100;
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return percentage;
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}
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}
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void PerformanceInfo::UpdateQueues()
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{
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m_frameCollection.m_frameTimes.push_back(static_cast<float>(CURRENT_FRAME.frameTime));
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while(m_frameCollection.m_frameTimes.size() > m_windowSize)
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m_frameCollection.m_frameTimes.pop_front();
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float maxFrameTime = FLT_MIN;
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for(auto value : m_frameCollection.m_frameTimes)
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{
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if(value > maxFrameTime)
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maxFrameTime = value;
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}
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m_frameCollection.m_maxValue = maxFrameTime;
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m_ramUsed.push_back(static_cast<float>(SystemInfo::GetAppRamUsed()));
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while(m_ramUsed.size() > m_windowSize)
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m_ramUsed.pop_front();
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}
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void PerformanceInfo::BeginDraw()
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{
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bool alwaysShow = true;
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ImGui::Begin("Performance Info", &alwaysShow);
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}
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void PerformanceInfo::Draw()
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{
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UpdateQueues();
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assert(m_frameCollection.m_frameTimes.size() == m_ramUsed.size());
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ImGui::Text("Last Frame Time(wrt max): %f s", m_frameCollection.m_frameTimes.back());
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ImGui::Text("Last FPS: %f", 1 / m_frameCollection.m_frameTimes.back());
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ImGui::SliderInt("Window Size", &m_windowSize, 10, 1000);
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ImGui::TextFmt("RAM: {} / {}, Free: {}", ByteSize(m_ramUsed.back()), ByteSize(SystemInfo::GetAppRamMax()), ByteSize(SystemInfo::GetAppRamAvailable()));
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ImVec2 availableSize = ImGui::GetContentRegionAvail();
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float scaleMin = 0.01;
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float scaleMax = 100;
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ImGui::PlotTwoLines("",
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&FrameCollectionValuesGetter, &m_frameCollection, "Frame Time",
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&RamValuesGetter, &m_ramUsed, "RAM",
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(int)m_ramUsed.size(),
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scaleMin, scaleMax, availableSize);
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}
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void PerformanceInfo::EndDraw()
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{
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ImGui::End();
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}
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} |