/*
 * Copyright © 2004 Red Hat, Inc.
 * Copyright © 2005 Trolltech AS
 *
 * Permission to use, copy, modify, distribute, and sell this software and its
 * documentation for any purpose is hereby granted without fee, provided that
 * the above copyright notice appear in all copies and that both that
 * copyright notice and this permission notice appear in supporting
 * documentation, and that the name of Red Hat not be used in advertising or
 * publicity pertaining to distribution of the software without specific,
 * written prior permission.  Red Hat makes no representations about the
 * suitability of this software for any purpose.  It is provided "as is"
 * without express or implied warranty.
 *
 * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
 * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
 * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
 * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
 * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
 * SOFTWARE.
 *
 * Author:  Søren Sandmann (sandmann@redhat.com)
 *          Lars Knoll (lars@trolltech.com)
 * 
 * Based on work by Owen Taylor
 */
#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
#endif

#ifdef USE_MMX

#if !defined(__amd64__) && !defined(__x86_64__)
Bool fbHaveMMX(void);
#else
#define fbHaveMMX() TRUE
#endif

#else
#define fbHaveMMX() FALSE
#endif

#ifdef USE_MMX

#define MmxNegate(x) _mm_xor_si64((x), mmx_4x00ff)
#define MmxAlpha(x) _mm_shuffle_pi16 ((x), _MM_SHUFFLE(3, 3, 3, 3));
#define MmxTo(x) _mm_unpacklo_pi8 (_mm_cvtsi32_si64((x)), mmx_0)
#define MmxFrom(x) (CARD32)_mm_cvtsi64_si32(_mm_packs_pu16((x), mmx_0))
#define MmxAdd(x, y) _mm_adds_pu16 ((x), (y))

#define MmxMulAdd(x, a, y) do {                     \
        x = _mm_mullo_pi16 (x, a);                  \
        x = _mm_adds_pu16 (x, _mm_srli_pi16 (x, 8)); \
        x = _mm_adds_pu16 (x, mmx_4x0080);           \
        x = _mm_srli_pi16 (x, 8);                   \
        x = _mm_adds_pu16(x, y);                    \
    } while (0)

#define MmxMul(x, a) do {                           \
        x = _mm_mullo_pi16 (x, a);                  \
        x = _mm_adds_pu16 (x, _mm_srli_pi16 (x, 8)); \
        x = _mm_adds_pu16 (x, mmx_4x0080);           \
        x = _mm_srli_pi16 (x, 8);                   \
    } while (0)

#define MmxAddMul(x, a, y, b) do {                  \
        x = _mm_mullo_pi16 (x, a);                  \
        y = _mm_mullo_pi16 (y, b);                  \
        x = _mm_srli_pi16(x, 1);                    \
        y = _mm_srli_pi16(y, 1);                    \
        x = _mm_adds_pu16 (x, y);                    \
        x = _mm_adds_pu16 (x, _mm_srli_pi16 (x, 8)); \
        x = _mm_adds_pu16 (x, mmx_4x0080);           \
        x = _mm_srli_pi16 (x, 7);                   \
    } while (0)

typedef unsigned long long ullong;

void fbComposeSetupMMX(void);

void fbCompositeSolidMask_nx8888x0565Cmmx (CARD8      op,
					   PicturePtr pSrc,
					   PicturePtr pMask,
					   PicturePtr pDst,
					   INT16      xSrc,
					   INT16      ySrc,
					   INT16      xMask,
					   INT16      yMask,
					   INT16      xDst,
					   INT16      yDst,
					   CARD16     width,
					   CARD16     height);
void fbCompositeSrcAdd_8888x8888mmx (CARD8	op,
				     PicturePtr	pSrc,
				     PicturePtr	pMask,
				     PicturePtr	pDst,
				     INT16	xSrc,
				     INT16      ySrc,
				     INT16      xMask,
				     INT16      yMask,
				     INT16      xDst,
				     INT16      yDst,
				     CARD16     width,
				     CARD16     height);
void fbCompositeSrc_8888x8888mmx (CARD8		op,
				  PicturePtr	pSrc,
				  PicturePtr	pMask,
				  PicturePtr	pDst,
				  INT16		xSrc,
				  INT16		ySrc,
				  INT16		xMask,
				  INT16		yMask,
				  INT16		xDst,
				  INT16		yDst,
				  CARD16	width,
				  CARD16	height);
void fbCompositeSolidMask_nx8888x8888Cmmx (CARD8	op,
					   PicturePtr	pSrc,
					   PicturePtr	pMask,
					   PicturePtr	pDst,
					   INT16	xSrc,
					   INT16	ySrc,
					   INT16	xMask,
					   INT16	yMask,
					   INT16	xDst,
					   INT16	yDst,
					   CARD16	width,
					   CARD16	height);
void fbCompositeSolidMask_nx8x8888mmx (CARD8      op,
				       PicturePtr pSrc,
				       PicturePtr pMask,
				       PicturePtr pDst,
				       INT16      xSrc,
				       INT16      ySrc,
				       INT16      xMask,
				       INT16      yMask,
				       INT16      xDst,
				       INT16      yDst,
				       CARD16     width,
				       CARD16     height);
void fbCompositeSrcAdd_8000x8000mmx (CARD8	op,
				     PicturePtr pSrc,
				     PicturePtr pMask,
				     PicturePtr pDst,
				     INT16      xSrc,
				     INT16      ySrc,
				     INT16      xMask,
				     INT16      yMask,
				     INT16      xDst,
				     INT16      yDst,
				     CARD16     width,
				     CARD16     height);
void fbCompositeSrc_8888RevNPx8888mmx (CARD8      op,
				       PicturePtr pSrc,
				       PicturePtr pMask,
				       PicturePtr pDst,
				       INT16      xSrc,
				       INT16      ySrc,
				       INT16      xMask,
				       INT16      yMask,
				       INT16      xDst,
				       INT16      yDst,
				       CARD16     width,
				       CARD16     height);
void fbCompositeSrc_8888RevNPx0565mmx (CARD8      op,
				       PicturePtr pSrc,
				       PicturePtr pMask,
				       PicturePtr pDst,
				       INT16      xSrc,
				       INT16      ySrc,
				       INT16      xMask,
				       INT16      yMask,
				       INT16      xDst,
				       INT16      yDst,
				       CARD16     width,
				       CARD16     height);
void fbCompositeSolid_nx8888mmx (CARD8		op,
				 PicturePtr	pSrc,
				 PicturePtr	pMask,
				 PicturePtr	pDst,
				 INT16		xSrc,
				 INT16		ySrc,
				 INT16		xMask,
				 INT16		yMask,
				 INT16		xDst,
				 INT16		yDst,
				 CARD16		width,
				 CARD16		height);
void fbCompositeSolid_nx0565mmx (CARD8		op,
				 PicturePtr	pSrc,
				 PicturePtr	pMask,
				 PicturePtr	pDst,
				 INT16		xSrc,
				 INT16		ySrc,
				 INT16		xMask,
				 INT16		yMask,
				 INT16		xDst,
				 INT16		yDst,
				 CARD16		width,
				 CARD16		height);
void fbCompositeSolidMask_nx8x0565mmx (CARD8      op,
				       PicturePtr pSrc,
				       PicturePtr pMask,
				       PicturePtr pDst,
				       INT16      xSrc,
				       INT16      ySrc,
				       INT16      xMask,
				       INT16      yMask,
				       INT16      xDst,
				       INT16      yDst,
				       CARD16     width,
				       CARD16     height);
void fbCompositeSrc_8888x8x8888mmx (CARD8	op,
				    PicturePtr  pSrc,
				    PicturePtr  pMask,
				    PicturePtr  pDst,
				    INT16	xSrc,
				    INT16	ySrc,
				    INT16       xMask,
				    INT16       yMask,
				    INT16       xDst,
				    INT16       yDst,
				    CARD16      width,
				    CARD16      height);
Bool fbCopyAreammx (DrawablePtr	pSrc,
		    DrawablePtr	pDst,
		    int		src_x,
		    int		src_y,
		    int		dst_x,
		    int		dst_y,
		    int		width,
		    int		height);
void fbCompositeCopyAreammx (CARD8	op,
			     PicturePtr	pSrc,
			     PicturePtr	pMask,
			     PicturePtr	pDst,
			     INT16	xSrc,
			     INT16      ySrc,
			     INT16      xMask,
			     INT16      yMask,
			     INT16      xDst,
			     INT16      yDst,
			     CARD16     width,
			     CARD16     height);
Bool fbSolidFillmmx (DrawablePtr	pDraw,
		     int		x,
		     int		y,
		     int		width,
		     int		height,
		     FbBits		xor);

#endif /* USE_MMX */