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-rw-r--r--src/blitter/null.hpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/blitter/null.hpp b/src/blitter/null.hpp
index 61c4f222d..6c519b023 100644
--- a/src/blitter/null.hpp
+++ b/src/blitter/null.hpp
@@ -22,6 +22,7 @@ public:
/* virtual */ void CopyFromBuffer(void *video, const void *src, int width, int height, int src_pitch) {};
/* virtual */ void CopyToBuffer(const void *video, void *dst, int width, int height, int dst_pitch) {};
/* virtual */ void MoveBuffer(void *video_dst, const void *video_src, int width, int height) {};
+ /* virtual */ void ScrollBuffer(void *video, int &left, int &top, int &width, int &height, int scroll_x, int scroll_y) {};
/* virtual */ int BufferSize(int width, int height) { return 0; };
};