- moved the frame rate drawer out of DFrameBuffer.

Too much of this is not shareable and all it consists of are drawing operations on the 2D drawer.

src/common/engine/i_interface.h

@@ -12,6 +12,7 @@ struct SystemCallbacks
 	void (*CrashInfo)(char* buffer, size_t bufflen, const char* lfstr);
 	void (*PlayStartupSound)(const char* name);
 	bool (*IsSpecialUI)();
+	bool (*DisableTextureFilter)();
 };
 
 extern SystemCallbacks *sysCallbacks;