Files
OpenVulkano/openVulkanoCpp/Scene/UI/PerformanceInfo.cpp
2024-06-13 22:53:38 +03:00

92 lines
2.6 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 "ImGuiExtensions/ImGuiPlotTwoLines.hpp"
#include <assert.h>
namespace OpenVulkano::Scene::UI
{
namespace
{
float FloatCollectionValuesGetter(void *data, int index)
{
auto collection = static_cast<FloatCollection *>(data);
float value = collection->m_values[index];
float result = value / collection->m_maxValue * 100;
return result;
}
}
void PerformanceInfo::UpdateQueues()
{
float newFrameTime = static_cast<float>(CURRENT_FRAME.frameTime);
if(newFrameTime > m_frames.m_maxValue)
m_frames.m_maxValue = newFrameTime;
m_frames.m_values.push_back(newFrameTime);
while(m_frames.m_values.size() > m_windowSize)
{
float poppedFrameTime = m_frames.m_values.front();
m_frames.m_values.pop_front();
if(m_frames.m_maxValue == poppedFrameTime)
{
m_frames.m_maxValue = FLT_MIN;
for(auto value : m_frames.m_values)
{
if(value > m_frames.m_maxValue)
m_frames.m_maxValue = value;
}
}
}
m_ramUsed.m_values.push_back(static_cast<float>(SystemInfo::GetAppRamUsed()));
while(m_ramUsed.m_values.size() > m_windowSize)
m_ramUsed.m_values.pop_front();
m_ramUsed.m_maxValue = SystemInfo::GetAppRamMax();
assert(m_ramUsed.m_values.size() <= m_windowSize);
}
void PerformanceInfo::BeginDraw()
{
bool alwaysShow = true;
ImGui::Begin("Performance Info", &alwaysShow);
}
void PerformanceInfo::Draw()
{
UpdateQueues();
assert(m_frames.m_values.size() == m_ramUsed.m_values.size());
ImGui::Text("Last Frame Time: %f s", m_frames.m_values.back());
ImGui::Text("Last FPS: %f", 1 / m_frames.m_values.back());
ImGui::TextFmt("RAM: {} / {}, Free: {}", ByteSize(m_ramUsed.m_values.back()), ByteSize(SystemInfo::GetAppRamMax()), ByteSize(SystemInfo::GetAppRamAvailable()));
ImGui::SliderInt("Window Size", &m_windowSize, 10, 1000);
ImVec2 availableSize = ImGui::GetContentRegionAvail();
float scaleMin = 0.01;
float scaleMax = 100;
ImGui::PlotTwoLines("",
&FloatCollectionValuesGetter, &m_frames, "Frame Time(wrt max)",
&FloatCollectionValuesGetter, &m_ramUsed, "RAM",
(int)m_ramUsed.m_values.size(),
scaleMin, scaleMax, availableSize);
}
void PerformanceInfo::EndDraw()
{
ImGui::End();
}
}