plots

.gitmodules

 [submodule "third_party/imgui_sdl"]
 	path = third_party/imgui_sdl
 	url = https://github.com/mortie/imgui_sdl
+[submodule "third_party/imgui-plot"]
+	path = third_party/imgui-plot
+	url = https://github.com/soulthreads/imgui-plot.git

libswan/include/swan/PerfCounter.h

 
 	void render();
 
+	void countTotalTime(double secs) { total_time_.count(secs); }
 	void countFrameTime(double secs) { frame_time_.count(secs); }
 	void countGameUpdate(double secs) { game_update_.count(secs); }
 	void countGameTick(double secs) { game_tick_.count(secs); }
 	void countMemoryUsage(double bytes) { memory_usage_.count(bytes); }
 
 private:
+	Counter<> total_time_;
 	Counter<> frame_time_;
 	Counter<> game_update_;
 	Counter<> game_tick_;

libswan/src/PerfCounter.cc

 #include "PerfCounter.h"
 
 #include <imgui.h>
+#include <imgui_plot.h>
 
 #include "util.h"
 
 	if (!ImGui::Begin("Perf Stats"))
 		return;
 
-	ImGui::PushItemWidth(ImGui::GetFontSize() * -12);
-	ImGui::Text("Hello World");
-
 	std::array<float, 64> buf;
+	ImGui::PlotConfig conf;
+
+	conf.values = { .ys = buf.data(), .count = 64 };
+	conf.scale = { 0, 1 / 60.0 };
+	conf.scale.min = 0;
+	conf.scale.max = 1 / 60.0;
+	conf.frame_size = { ImGui::GetWindowContentRegionWidth(), 20 },
+
+	total_time_.fill(buf);
+	ImGui::Text("Total Time");
+	ImGui::Plot("Total Time", conf);
+
+	render_present_.fill(buf);
+	ImGui::Text("Render Present");
+	ImGui::Plot("Render Present", conf);
+
 	frame_time_.fill(buf);
-	ImGui::PlotLines("Frame Time", buf.data(), 64);
+	ImGui::Text("Frame Times");
+	ImGui::Plot("Frame Times", conf);
+
+	game_update_.fill(buf);
+	ImGui::Text("Game Update");
+	ImGui::Plot("Game Update", conf);
+
+	game_draw_.fill(buf);
+	ImGui::Text("Game Draw");
+	ImGui::Plot("Game Draw", conf);
+
+	game_tick_.fill(buf);
+	ImGui::Text("Game Tick");
+	ImGui::Plot("Game Tick", conf);
+
+	game_updates_per_frame_.fill(buf);
+	conf.scale = { 0, 5 };
+	ImGui::Text("Game Updates Per Frame");
+	ImGui::Plot("Game Updates Per Frame", conf);
 }
 
 }

src/main.cc

 	int fcount = 0;
 	int slow_frames = 0;
 	while (1) {
-		RTClock total_frame_clock;
+		RTClock total_time_clock;
 
 		SDL_Event evt;
 		while (SDL_PollEvent(&evt)) {
 		game.draw();
 		pcounter.countGameDraw(draw_clock.duration());
 
-		pcounter.countFrameTime(total_frame_clock.duration());
+		pcounter.countFrameTime(total_time_clock.duration());
 		pcounter.render();
 
 		// Render ImGUI
 		RTClock present_clock;
 		SDL_RenderPresent(renderer.get());
 		pcounter.countRenderPresent(present_clock.duration());
+
+		pcounter.countTotalTime(total_time_clock.duration());
 	}
 
 exit:

third_party/CMakeLists.txt

 	${PROJECT_SOURCE_DIR}/third_party/imgui/imgui_draw.cpp
 	${PROJECT_SOURCE_DIR}/third_party/imgui/imgui_widgets.cpp
 	${PROJECT_SOURCE_DIR}/third_party/imgui/imgui.cpp
-	${PROJECT_SOURCE_DIR}/third_party/imgui_sdl/imgui_sdl.cpp)
+	${PROJECT_SOURCE_DIR}/third_party/imgui_sdl/imgui_sdl.cpp
+	${PROJECT_SOURCE_DIR}/third_party/imgui-plot/src/imgui_plot.cpp)
 set_target_properties(imgui PROPERTIES CXX_CLANG_TIDY "")
 target_include_directories(imgui PUBLIC
 	${PROJECT_SOURCE_DIR}/third_party/imgui
-	${PROJECT_SOURCE_DIR}/third_party/imgui/examples
+	${PROJECT_SOURCE_DIR}/third_party/imgui-plot/include
 	${SDL2_INCLUDE_DIRS})
 
 install(TARGETS imgui DESTINATION swan/third_party)

third_party/imgui-plot

+Subproject commit ce5f24e56ed14771ce25c60f0d933d2ee77eb468