diff --git a/common/rfb/PixelFormat.h b/common/rfb/PixelFormat.h
index b18045f..113b8ee 100644
--- a/common/rfb/PixelFormat.h
+++ b/common/rfb/PixelFormat.h
@@ -90,6 +90,29 @@
     void updateState(void);
     bool isSane(void);
 
+  private:
+    // Preprocessor generated, optimised methods
+
+    void directBufferFromBufferFrom888(rdr::U8* dst, const PixelFormat &srcPF,
+                                       const rdr::U8* src, int w, int h,
+                                       int dstStride, int srcStride) const;
+    void directBufferFromBufferFrom888(rdr::U16* dst, const PixelFormat &srcPF,
+                                       const rdr::U8* src, int w, int h,
+                                       int dstStride, int srcStride) const;
+    void directBufferFromBufferFrom888(rdr::U32* dst, const PixelFormat &srcPF,
+                                       const rdr::U8* src, int w, int h,
+                                       int dstStride, int srcStride) const;
+
+    void directBufferFromBufferTo888(rdr::U8* dst, const PixelFormat &srcPF,
+                                     const rdr::U8* src, int w, int h,
+                                     int dstStride, int srcStride) const;
+    void directBufferFromBufferTo888(rdr::U8* dst, const PixelFormat &srcPF,
+                                     const rdr::U16* src, int w, int h,
+                                     int dstStride, int srcStride) const;
+    void directBufferFromBufferTo888(rdr::U8* dst, const PixelFormat &srcPF,
+                                     const rdr::U32* src, int w, int h,
+                                     int dstStride, int srcStride) const;
+
   public:
     int bpp;
     int depth;