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/*
pygame - Python Game Library
Copyright (C) 2000-2001 Pete Shinners
Copyright (C) 2007 Rene Dudfield, Richard Goedeken
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Pete Shinners
pete@shinners.org
*/
/* Pentium MMX/SSE smoothscale routines
* Available on Win32 or GCC on a Pentium.
* Sorry, no Win64 support yet for Visual C builds, but it can be added.
*/
#if !defined(SCALE_HEADER)
#define SCALE_HEADER
#if (defined(__GNUC__) && (defined(__x86_64__) || defined(__i386__))) || defined(MS_WIN32)
#define SCALE_MMX_SUPPORT
/* These functions implement an area-averaging shrinking filter in the X-dimension.
*/
void filter_shrink_X_MMX(Uint8 *srcpix, Uint8 *dstpix, int height, int srcpitch, int dstpitch, int srcwidth, int dstwidth);
void filter_shrink_X_SSE(Uint8 *srcpix, Uint8 *dstpix, int height, int srcpitch, int dstpitch, int srcwidth, int dstwidth);
/* These functions implement an area-averaging shrinking filter in the Y-dimension.
*/
void filter_shrink_Y_MMX(Uint8 *srcpix, Uint8 *dstpix, int width, int srcpitch, int dstpitch, int srcheight, int dstheight);
void filter_shrink_Y_SSE(Uint8 *srcpix, Uint8 *dstpix, int width, int srcpitch, int dstpitch, int srcheight, int dstheight);
/* These functions implement a bilinear filter in the X-dimension.
*/
void filter_expand_X_MMX(Uint8 *srcpix, Uint8 *dstpix, int height, int srcpitch, int dstpitch, int srcwidth, int dstwidth);
void filter_expand_X_SSE(Uint8 *srcpix, Uint8 *dstpix, int height, int srcpitch, int dstpitch, int srcwidth, int dstwidth);
/* These functions implement a bilinear filter in the Y-dimension.
*/
void filter_expand_Y_MMX(Uint8 *srcpix, Uint8 *dstpix, int width, int srcpitch, int dstpitch, int srcheight, int dstheight);
void filter_expand_Y_SSE(Uint8 *srcpix, Uint8 *dstpix, int width, int srcpitch, int dstpitch, int srcheight, int dstheight);
#endif /* #if (defined(__GNUC__) && .....) */
#endif /* #if !defined(SCALE_HEADER) */
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