perf window

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;
+};