log fps

inc/debug.h

@@ -0,0 +1,24 @@
+#pragma once
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+#include <stdio.h>
+
+void DebugPrint(const char *format, ...);
+
+//#define _DEBUG 1
+
+//use OutputDebugStringA rather than printf
+//#define _DEBUGstring 1
+
+//log everything (slow)
+//#define _DEBUGx 1
+
+#ifdef _DEBUG
+
+#ifdef _DEBUGstring
+#define printf(format, ...) DebugPrint("xDBG " format, ##__VA_ARGS__)
+#endif 
+
+#else 
+#define printf(format, ...)
+#endif 

inc/main.h

@@ -19,13 +19,10 @@
 
 #include <windows.h>
 #include "ddraw.h"
+#include "debug.h"
 #include <GL/gl.h>
 #include <GL/glu.h>
 
-#ifndef _DEBUG
-#define printf(format, ...)
-#endif
-
 struct IDirectDrawImpl;
 struct IDirectDrawImplVtbl;
 struct IDirectDrawSurfaceImpl;