perf window

widgets/perfgraphs.cpp

@@ -0,0 +1,62 @@
+#include "stdafx.h"
+#include "widgets/perfgraphs.h"
+#include "Timer.h"
+
+perfgraph_panel::perfgraph_panel()
+    : ui_panel("Perf", false)
+{
+
+}
+
+void perfgraph_panel::render_contents() {
+	if (ImGui::BeginCombo("Timer", timer_label[current_timer].c_str())) // The second parameter is the label previewed before opening the combo.
+	{
+		for (size_t i = 0; i < (size_t)TIMER_MAX; i++)
+		{
+			bool is_selected = (current_timer == (timers_e)i);
+			if (ImGui::Selectable(timer_label[i].c_str(), is_selected))
+				current_timer = (timers_e)i;
+			if (is_selected)
+				ImGui::SetItemDefaultFocus();
+		}
+		ImGui::EndCombo();
+	}
+
+	Timer::stopwatch *stopwatch = nullptr;
+
+	if (current_timer == gfx_total)
+		stopwatch = &Timer::subsystem.gfx_total;
+	else if (current_timer == gfx_color)
+		stopwatch = &Timer::subsystem.gfx_color;
+	else if (current_timer == gfx_shadows)
+		stopwatch = &Timer::subsystem.gfx_shadows;
+	else if (current_timer == gfx_reflections)
+		stopwatch = &Timer::subsystem.gfx_reflections;
+	else if (current_timer == gfx_swap)
+		stopwatch = &Timer::subsystem.gfx_swap;
+	else if (current_timer == gfx_gui)
+		stopwatch = &Timer::subsystem.gfx_gui;
+	else if (current_timer == sim_total)
+		stopwatch = &Timer::subsystem.sim_total;
+	else if (current_timer == sim_dynamics)
+		stopwatch = &Timer::subsystem.sim_dynamics;
+	else if (current_timer == sim_events)
+		stopwatch = &Timer::subsystem.sim_events;
+	else if (current_timer == sim_ai)
+		stopwatch = &Timer::subsystem.sim_ai;
+	else if (current_timer == mainloop_total)
+		stopwatch = &Timer::subsystem.mainloop_total;
+
+	if (!stopwatch)
+		return;
+
+	history[pos] = stopwatch->last().count() / 1000.0;
+	const std::string label = std::to_string(history[pos]) + "ms";
+
+	pos++;
+	if (pos >= history.size())
+		pos = 0;
+
+	ImGui::SliderFloat("Range", &max, 0.1f, 250.0f);
+	ImGui::PlotLines("##timer", &history[0], history.size(), pos, label.c_str(), 0.0f, max, ImVec2(500, 200));
+}

widgets/perfgraphs.h

@@ -0,0 +1,45 @@
+#include "uilayer.h"
+
+class perfgraph_panel : public ui_panel
+{
+	std::array<float, 400> history;
+	size_t pos = 0;
+
+	enum timers_e {
+		gfx_total = 0,
+		gfx_color,
+		gfx_shadows,
+		gfx_reflections,
+		gfx_swap,
+		gfx_gui,
+		sim_total,
+		sim_dynamics,
+		sim_events,
+		sim_ai,
+		mainloop_total,
+		TIMER_MAX
+	};
+
+	float max = 50.0f;
+	timers_e current_timer = mainloop_total;
+
+	std::vector<std::string> timer_label =
+	{
+	    "gfx_total",
+	    "gfx_color",
+	    "gfx_shadows",
+	    "gfx_reflections",
+	    "gfx_swap",
+	    "gfx_gui",
+	    "sim_total",
+	    "sim_dynamics",
+	    "sim_events",
+	    "sim_ai",
+	    "mainloop_total"
+	};
+
+  public:
+	perfgraph_panel();
+
+	void render_contents() override;
+};