--- /dev/null
+#ifndef __COMMON_H__
+#define __COMMON_H__
+
+//#define PROFILE_GBI
+
+#define LOG_NONE 0
+#define LOG_ERROR 1
+#define LOG_MINIMAL 2
+#define LOG_WARNING 3
+#define LOG_VERBOSE 4
+
+#define LOG_LEVEL LOG_NONE
+
+# ifndef min
+# define min(a,b) ((a) < (b) ? (a) : (b))
+# endif
+# ifndef max
+# define max(a,b) ((a) > (b) ? (a) : (b))
+# endif
+
+
+#if LOG_LEVEL>0
+
+#include <android/log.h>
+
+#define LOG(A, ...) \
+ if (A <= LOG_LEVEL) \
+ { \
+ __android_log_print(ANDROID_LOG_DEBUG, "gles2n64", __VA_ARGS__); \
+ }
+
+#else
+
+#define LOG(A, ...)
+
+#endif
+
+#endif