(svn r10216) -Fix: palette animation always redid all palette entries, where in fact only a few indexes were needed

-Codechange: allow blitters to handle palette animation internally or even disable it; 8bpp uses video-backend for palette animation

src/blitter/8bpp_base.hpp

@@ -23,6 +23,8 @@ public:
 	/* 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);
+	/* virtual */ void PaletteAnimate(uint start, uint count);
+	/* virtual */ Blitter::PaletteAnimation UsePaletteAnimation();
 };
 
 #endif /* BLITTER_8BPP_BASE_HPP */