Files
OpenVulkano/openVulkanoCpp/Scene/UI/PerformanceInfo.cpp
2024-06-11 19:16:20 +03:00

80 lines
2.2 KiB
C++

/*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/.
*/
#include "PerformanceInfo.hpp"
#include "Base/FrameMetadata.hpp"
#include "Base/Utils.hpp"
#include "Host/SystemInfo.hpp"
#include "Math/ByteSize.hpp"
#include "ImGuiExtensions/ImGuiTextFmt.hpp"
#include <imgui.h>
namespace OpenVulkano::Scene::UI
{
namespace
{
float FloatValuesGetter(void *data, int index)
{
auto queue = reinterpret_cast<std::deque<float> *>(data);
return (*queue)[index];
}
float RamValuesGetter(void *data, int index)
{
auto queue = reinterpret_cast<std::deque<float> *>(data);
float used = (*queue)[index];
float max = SystemInfo::GetAppRamMax();
float percentage = used / max * 100;
return percentage;
}
}
void PerformanceInfo::UpdateQueues()
{
m_frameTimes.push_back(static_cast<float>(CURRENT_FRAME.frameTime));
while(m_frameTimes.size() > m_frameCount)
m_frameTimes.pop_front();
m_ramUsed.push_back(static_cast<float>(SystemInfo::GetAppRamUsed()));
while(m_ramUsed.size() > m_ramUsageCount)
m_ramUsed.pop_front();
}
void PerformanceInfo::BeginDraw()
{
bool alwaysShow = true;
ImGui::Begin("Performance Info", &alwaysShow);
}
void PerformanceInfo::Draw()
{
UpdateQueues();
ImVec2 availableSize = ImGui::GetContentRegionAvail();
availableSize.y *= 1/3.;
ImGui::Text("Last Frame Time: %f s", m_frameTimes.back());
ImGui::Text("Last FPS: %f", 1 / m_frameTimes.back());
ImGui::SliderInt("Window Size", &m_frameCount, 10, 1000);
ImGui::PlotLines("", &FloatValuesGetter, &m_frameTimes, (int)m_frameTimes.size(), 0, nullptr, FLT_MAX, FLT_MAX, availableSize);
if(ImGui::CollapsingHeader("RAM Usage"))
{
ImGui::TextFmt("RAM: {} / {}, Free: {}", ByteSize(m_ramUsed.back()), ByteSize(SystemInfo::GetAppRamMax()), ByteSize(SystemInfo::GetAppRamAvailable()));
ImGui::SliderInt("Window Size ", &m_ramUsageCount, 10, 1000);
float scaleMin = 0.01;
float scaleMax = 100;
ImGui::PlotLines("", &RamValuesGetter, &m_ramUsed, (int)m_ramUsed.size(), 0, nullptr, scaleMin, scaleMax, availableSize);
}
}
void PerformanceInfo::EndDraw()
{
ImGui::End();
}
}