80 lines
2.2 KiB
C++
80 lines
2.2 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 <imgui.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 FloatValuesGetter(void *data, int index)
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{
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auto queue = reinterpret_cast<std::deque<float> *>(data);
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return (*queue)[index];
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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_frameTimes.push_back(static_cast<float>(CURRENT_FRAME.frameTime));
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while(m_frameTimes.size() > m_frameCount)
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m_frameTimes.pop_front();
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m_ramUsed.push_back(static_cast<float>(SystemInfo::GetAppRamUsed()));
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while(m_ramUsed.size() > m_ramUsageCount)
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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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ImVec2 availableSize = ImGui::GetContentRegionAvail();
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availableSize.y *= 1/3.;
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ImGui::Text("Last Frame Time: %f s", m_frameTimes.back());
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ImGui::Text("Last FPS: %f", 1 / m_frameTimes.back());
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ImGui::SliderInt("Window Size", &m_frameCount, 10, 1000);
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ImGui::PlotLines("", &FloatValuesGetter, &m_frameTimes, (int)m_frameTimes.size(), 0, nullptr, FLT_MAX, FLT_MAX, availableSize);
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if(ImGui::CollapsingHeader("RAM Usage"))
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{
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ImGui::TextFmt("RAM: {} / {}, Free: {}", ByteSize(m_ramUsed.back()), ByteSize(SystemInfo::GetAppRamMax()), ByteSize(SystemInfo::GetAppRamAvailable()));
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ImGui::SliderInt("Window Size ", &m_ramUsageCount, 10, 1000);
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float scaleMin = 0.01;
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float scaleMax = 100;
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ImGui::PlotLines("", &RamValuesGetter, &m_ramUsed, (int)m_ramUsed.size(), 0, nullptr, scaleMin, scaleMax, availableSize);
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}
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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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} |