bgfx_profiler.hpp

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#pragma once
 
#include "components/ui/imgui/imgui.h"
 
#include "components/rendering/rendering.h"
 
class BlamImGuiWindow_BgfxProfilerInfo : public BlamImGuiWindow
{
public:
    void Draw()
    {
        if (!show)
        {
            return;
        }
 
        if (ImGui::Begin("bgfx Profiler", &show))
        {
            const bgfx::Stats* stats = bgfx::getStats();
 
            for (int i = 0; i < stats->numViews; i++)
            {
                bgfx::ViewStats view_stats = stats->viewStats[i];
 
                std::string header_title = std::string(view_stats.name) + "(" + std::to_string(view_stats.view) + ")";
 
                if (ImGui::CollapsingHeader(header_title.c_str()))
                {
                    std::string cpu_begin_str = "cpu begin time: " + std::to_string(view_stats.cpuTimeBegin);
                    std::string cpu_end_str = "cpu end time  : " + std::to_string(view_stats.cpuTimeEnd);
                    std::string gpu_begin_str = "gpu begin time: " + std::to_string(view_stats.gpuTimeBegin);
                    std::string gpu_end_str = "gpu end time  : " + std::to_string(view_stats.gpuTimeEnd);
                    std::string gpu_frame_str = "gpu frame num : " + std::to_string(view_stats.gpuFrameNum);
                    std::string cpu_time_str = "cpu frame time: " + std::to_string(view_stats.cpuTimeEnd - view_stats.cpuTimeBegin);
                    std::string gpu_time_str = "gpu frame time: " + std::to_string(view_stats.gpuTimeEnd - view_stats.gpuTimeBegin);
 
                    ImGui::Text(cpu_begin_str.c_str());
                    ImGui::Text(cpu_end_str.c_str());
                    ImGui::Text(gpu_begin_str.c_str());
                    ImGui::Text(gpu_end_str.c_str());
                    ImGui::Text(gpu_frame_str.c_str());
                    ImGui::Text(cpu_time_str.c_str());
                    ImGui::Text(gpu_time_str.c_str());
                }
            }
        }
        ImGui::End();
    }
};