[profiler] prototype CSV report exporter

source/editor/Widgets/Profiler.cpp

@@ -23,6 +23,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #include "pch.h"
 #include "Profiler.h"
 #include "../ImGui/ImGui_Extension.h"
+#include "Profiling/CsvExporter.h"
 #include "Profiling/Profiler.h"
 #include "../RHI/RHI_Device.h"
 #include "../Memory/Allocator.h"
@@ -178,6 +179,18 @@ void Profiler::OnTickVisible()
         ImGui::SliderFloat("##update_interval", &interval, 0.0f, 0.5f, "Update Interval = %.2f");
         spartan::Profiler::SetUpdateInterval(interval);
 
+        ImGui::Text("CSV Controls:");
+        ImGui::SameLine();
+        if (ImGui::Button("Start Recording"))
+        {
+            spartan::CsvExporter::StartRecording();
+        }
+        ImGui::SameLine();
+        if (ImGui::Button("Stop Recording"))
+        {
+            spartan::CsvExporter::StopRecording();
+        }
+
         ImGui::Separator();
     }
 
@@ -211,7 +224,11 @@ void Profiler::OnTickVisible()
             continue;
 
         show_time_block(time_blocks[i]);
+
+        // Csv recording
+        spartan::CsvExporter::WriteFrameData(time_blocks[i], spartan::Renderer::GetFrameNumber());
     }
+    spartan::CsvExporter::NextFrame();
 
     // plot
     ImGui::Separator();

source/runtime/Profiling/CsvExporter.cpp

@@ -0,0 +1,113 @@
+/*
+Copyright(c) 2015-2025 Panos Karabelas
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
+copies of the Software, and to permit persons to whom the Software is furnished
+to do so, subject to the following conditions :
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+//= INCLUDES ========================
+#include "pch.h"
+#include "CsvExporter.h"
+
+#include "TimeBlock.h"
+//===================================
+
+//= NAMESPACES ===============
+using namespace std;
+//============================
+
+namespace spartan
+{
+    namespace
+    {
+        string file_path = "data/profiling/ProfilingReport.csv";
+        ofstream csv_export_file(file_path);
+        int current_csv_col = 0; // frames by columns
+        int current_csv_row = 0; // frame data by row
+    }
+
+    void CsvExporter::StartRecording()
+    {
+        if (csv_export_file.is_open())
+        {
+            SP_LOG_INFO("File is already open and recording data.");
+            return;
+        }
+
+        csv_export_file.open("ProfilingReport.csv", ios::out | ios::trunc);
+        if (!csv_export_file.good() || !csv_export_file.is_open())
+        {
+            SP_LOG_ERROR("Failed to open CSV file: %s", file_path.c_str());
+            return;
+        }
+
+        if (current_csv_col == 0)
+        {
+            csv_export_file << "Frame ID,";
+            current_csv_col++;
+        }
+
+        SP_LOG_INFO("Started recording data for CSV report.");
+    }
+
+    void CsvExporter::WriteFrameData(const TimeBlock& current_time_block, const uint64_t frame_number)
+    {
+        if (csv_export_file.is_open())
+        {
+            if (current_csv_row == 0)
+            {
+                csv_export_file << current_time_block.GetName() << ",";
+                return;
+            }
+            if (current_csv_col == 0)
+            {
+                csv_export_file  << frame_number << ",";
+            }
+            csv_export_file << current_time_block.GetDuration() << ",";
+            current_csv_col++;
+        }
+    }
+
+    void CsvExporter::NextFrame()
+    {
+        if (csv_export_file.is_open())
+        {
+            csv_export_file << "\n";
+            current_csv_row++;
+            current_csv_col = 0;
+        }
+    }
+
+    void CsvExporter::StopRecording(bool is_reset)
+    {
+        if (csv_export_file.is_open())
+        {
+            if (is_reset)
+            {
+                current_csv_col = 0;
+                current_csv_row = 0;
+            }
+            csv_export_file.flush();
+            csv_export_file.close();
+            SP_LOG_INFO("Stopped recording data for CSV report.");
+        }
+        else
+        {
+            SP_LOG_WARNING("Invalid action. There is no active CSV recording.");
+        }
+    }
+}

source/runtime/Profiling/CsvExporter.h

@@ -0,0 +1,39 @@
+/*
+Copyright(c) 2015-2025 Panos Karabelas
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
+copies of the Software, and to permit persons to whom the Software is furnished
+to do so, subject to the following conditions :
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#pragma once
+
+//= INCLUDES ======
+//=================
+
+namespace spartan
+{
+    class TimeBlock;
+
+    class CsvExporter
+    {
+    public:
+        static void StartRecording();
+        static void WriteFrameData(const TimeBlock& current_time_block, uint64_t frame_number);
+        static void NextFrame();
+        static void StopRecording(bool is_reset = false);
+    };
+}