xserver pixman libX11 libXext 14/11/2010

1 files changed, 68 insertions, 484 deletions

diff --git a/xorg-server/fb/fbpict.h b/xorg-server/fb/fbpict.h
index b89f90ff1..e7daaa245 100644
--- a/xorg-server/fb/fbpict.h
+++ b/xorg-server/fb/fbpict.h
@@ -1,484 +1,68 @@
-/*
- *
- * Copyright © 2000 Keith Packard, member of The XFree86 Project, Inc.
- *
- * 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 Keith Packard not be used in
- * advertising or publicity pertaining to distribution of the software without
- * specific, written prior permission.  Keith Packard makes no
- * representations about the suitability of this software for any purpose.  It
- * is provided "as is" without express or implied warranty.
- *
- * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
- * EVENT SHALL KEITH PACKARD 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.
- */
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#ifndef _FBPICT_H_
-#define _FBPICT_H_
-
-#include "renderedge.h"
-
-
-#if defined(__GNUC__)
-#define INLINE __inline__
-#else
-#define INLINE
-#endif
-
-#define FbIntMult(a,b,t) ( (t) = (a) * (b) + 0x80, ( ( ( (t)>>8 ) + (t) )>>8 ) )
-#define FbIntDiv(a,b)	 (((CARD16) (a) * 255) / (b))
-
-#define FbGet8(v,i)   ((CARD16) (CARD8) ((v) >> i))
-
-/*
- * There are two ways of handling alpha -- either as a single unified value or
- * a separate value for each component, hence each macro must have two
- * versions.  The unified alpha version has a 'U' at the end of the name,
- * the component version has a 'C'.  Similarly, functions which deal with
- * this difference will have two versions using the same convention.
- */
-
-#define FbOverU(x,y,i,a,t) ((t) = FbIntMult(FbGet8(y,i),(a),(t)) + FbGet8(x,i),\
-			   (CARD32) ((CARD8) ((t) | (0 - ((t) >> 8)))) << (i))
-
-#define FbOverC(x,y,i,a,t) ((t) = FbIntMult(FbGet8(y,i),FbGet8(a,i),(t)) + FbGet8(x,i),\
-			    (CARD32) ((CARD8) ((t) | (0 - ((t) >> 8)))) << (i))
-
-#define FbInU(x,i,a,t) ((CARD32) FbIntMult(FbGet8(x,i),(a),(t)) << (i))
-
-#define FbInC(x,i,a,t) ((CARD32) FbIntMult(FbGet8(x,i),FbGet8(a,i),(t)) << (i))
-
-#define FbGen(x,y,i,ax,ay,t,u,v) ((t) = (FbIntMult(FbGet8(y,i),ay,(u)) + \
-					 FbIntMult(FbGet8(x,i),ax,(v))),\
-				  (CARD32) ((CARD8) ((t) | \
-						     (0 - ((t) >> 8)))) << (i))
-
-#define FbAdd(x,y,i,t)	((t) = FbGet8(x,i) + FbGet8(y,i), \
-			 (CARD32) ((CARD8) ((t) | (0 - ((t) >> 8)))) << (i))
-
-
-#define Alpha(x) ((x) >> 24)
-#define Red(x) (((x) >> 16) & 0xff)
-#define Green(x) (((x) >> 8) & 0xff)
-#define Blue(x) ((x) & 0xff)
-
-/**
- * Returns TRUE if the fbComposeGetSolid can be used to get a single solid
- * color representing every source sampling location of the picture.
- */
-static INLINE Bool
-fbCanGetSolid(PicturePtr pict)
-{
-    if (pict->pDrawable == NULL ||
-	pict->pDrawable->width != 1 ||
-	pict->pDrawable->height != 1)
-    {
-	return FALSE;
-    }
-    if (pict->repeat != RepeatNormal)
-	return FALSE;
-
-    switch (pict->format) {
-    case PICT_a8r8g8b8:
-    case PICT_x8r8g8b8:
-    case PICT_a8b8g8r8:
-    case PICT_x8b8g8r8:
-    case PICT_b8g8r8a8:
-    case PICT_b8g8r8x8:
-    case PICT_r8g8b8:
-    case PICT_b8g8r8:
-    case PICT_r5g6b5:
-    case PICT_b5g6r5:
-	return TRUE;
-    default:
-	return FALSE;
-    }
-}
-
-#define fbComposeGetSolid(pict, bits, fmt) { \
-    FbBits	*__bits__; \
-    FbStride	__stride__; \
-    int		__bpp__; \
-    int		__xoff__,__yoff__; \
-\
-    fbGetDrawable((pict)->pDrawable,__bits__,__stride__,__bpp__,__xoff__,__yoff__); \
-    switch (__bpp__) { \
-    case 32: \
-	(bits) = READ((CARD32 *) __bits__); \
-	break; \
-    case 24: \
-	(bits) = Fetch24 ((CARD8 *) __bits__); \
-	break; \
-    case 16: \
-	(bits) = READ((CARD16 *) __bits__); \
-	(bits) = cvt0565to0888(bits); \
-	break; \
-    case 8: \
-	(bits) = READ((CARD8 *) __bits__); \
-	(bits) = (bits) << 24; \
-	break; \
-    case 1: \
-	(bits) = READ((CARD32 *) __bits__);			\
-	(bits) = FbLeftStipBits((bits),1) ? 0xff000000 : 0x00000000;\
-	break; \
-    default: \
-	return; \
-    } \
-    /* If necessary, convert RGB <--> BGR. */ \
-    if (PICT_FORMAT_TYPE((pict)->format) != PICT_FORMAT_TYPE(fmt)) \
-    { \
-	(bits) = (((bits) & 0xff000000) | \
-		  (((bits) & 0x00ff0000) >> 16) | \
-		  (((bits) & 0x0000ff00) >>  0) | \
-		  (((bits) & 0x000000ff) << 16)); \
-    } \
-    /* manage missing src alpha */ \
-    if ((pict)->pFormat->direct.alphaMask == 0) \
-	(bits) |= 0xff000000; \
-    fbFinishAccess ((pict)->pDrawable); \
-}
-
-#define fbComposeGetStart(pict,x,y,type,stride,line,mul) {\
-    FbBits	*__bits__; \
-    FbStride	__stride__; \
-    int		__bpp__; \
-    int		__xoff__,__yoff__; \
-\
-    fbGetDrawable((pict)->pDrawable,__bits__,__stride__,__bpp__,__xoff__,__yoff__); \
-    (stride) = __stride__ * sizeof (FbBits) / sizeof (type); \
-    (line) = ((type *) __bits__) + (stride) * ((y) + __yoff__) + (mul) * ((x) + __xoff__); \
-}
-#define cvt8888to0565(s)    ((((s) >> 3) & 0x001f) | \
-			     (((s) >> 5) & 0x07e0) | \
-			     (((s) >> 8) & 0xf800))
-#define cvt0565to0888(s)    (((((s) << 3) & 0xf8) | (((s) >> 2) & 0x7)) | \
-			     ((((s) << 5) & 0xfc00) | (((s) >> 1) & 0x300)) | \
-			     ((((s) << 8) & 0xf80000) | (((s) << 3) & 0x70000)))
-
-#if IMAGE_BYTE_ORDER == MSBFirst
-#define Fetch24(a)  ((unsigned long) (a) & 1 ? \
-		     ((READ(a) << 16) | READ((CARD16 *) ((a)+1))) : \
-		     ((READ((CARD16 *) (a)) << 8) | READ((a)+2)))
-#define Store24(a,v) ((unsigned long) (a) & 1 ? \
-		      (WRITE(a, (CARD8) ((v) >> 16)), \
-		       WRITE((CARD16 *) ((a)+1), (CARD16) (v))) : \
-		      (WRITE((CARD16 *) (a), (CARD16) ((v) >> 8)), \
-		       WRITE((a)+2, (CARD8) (v))))
-#else
-#define Fetch24(a)  ((unsigned long) (a) & 1 ? \
-		     (READ(a) | (READ((CARD16 *) ((a)+1)) << 8)) : \
-		     (READ((CARD16 *) (a)) | (READ((a)+2) << 16)))
-#define Store24(a,v) ((unsigned long) (a) & 1 ? \
-		      (WRITE(a, (CARD8) (v)), \
-		       WRITE((CARD16 *) ((a)+1), (CARD16) ((v) >> 8))) : \
-		      (WRITE((CARD16 *) (a), (CARD16) (v)),\
-		       WRITE((a)+2, (CARD8) ((v) >> 16))))
-#endif
-		      
-/*
-   The methods below use some tricks to be able to do two color
-   components at the same time.
-*/
-
-/*
-  x_c = (x_c * a) / 255
-*/
-#define FbByteMul(x, a) do {                                      \
-        CARD32 t = ((x & 0xff00ff) * a) + 0x800080;               \
-        t = (t + ((t >> 8) & 0xff00ff)) >> 8;                     \
-        t &= 0xff00ff;                                            \
-                                                                  \
-        x = (((x >> 8) & 0xff00ff) * a) + 0x800080;               \
-        x = (x + ((x >> 8) & 0xff00ff));                          \
-        x &= 0xff00ff00;                                          \
-        x += t;                                                   \
-    } while (0)
-
-/*
-  x_c = (x_c * a) / 255 + y
-*/
-#define FbByteMulAdd(x, a, y) do {                                \
-        CARD32 t = ((x & 0xff00ff) * a) + 0x800080;               \
-        t = (t + ((t >> 8) & 0xff00ff)) >> 8;                     \
-        t &= 0xff00ff;                                            \
-        t += y & 0xff00ff;                                        \
-        t |= 0x1000100 - ((t >> 8) & 0xff00ff);                   \
-        t &= 0xff00ff;                                            \
-                                                                  \
-        x = (((x >> 8) & 0xff00ff) * a) + 0x800080;                 \
-        x = (x + ((x >> 8) & 0xff00ff)) >> 8;                       \
-        x &= 0xff00ff;                                              \
-        x += (y >> 8) & 0xff00ff;                                   \
-        x |= 0x1000100 - ((x >> 8) & 0xff00ff);                     \
-        x &= 0xff00ff;                                              \
-        x <<= 8;                                                    \
-        x += t;                                                     \
-    } while (0)
-
-/*
-  x_c = (x_c * a + y_c * b) / 255
-*/
-#define FbByteAddMul(x, a, y, b) do {                                   \
-        CARD32 t;                                                       \
-        CARD32 r = (x >> 24) * a + (y >> 24) * b + 0x80;                \
-        r += (r >> 8);                                                  \
-        r >>= 8;                                                        \
-                                                                        \
-        t = (x & 0xff00) * a + (y & 0xff00) * b;                        \
-        t += (t >> 8) + 0x8000;                                         \
-        t >>= 16;                                                       \
-                                                                        \
-        t |= r << 16;                                                   \
-        t |= 0x1000100 - ((t >> 8) & 0xff00ff);                         \
-        t &= 0xff00ff;                                                  \
-        t <<= 8;                                                        \
-                                                                        \
-        r = ((x >> 16) & 0xff) * a + ((y >> 16) & 0xff) * b + 0x80;     \
-        r += (r >> 8);                                                  \
-        r >>= 8;                                                        \
-                                                                        \
-        x = (x & 0xff) * a + (y & 0xff) * b + 0x80;                     \
-        x += (x >> 8);                                                  \
-        x >>= 8;                                                        \
-        x |= r << 16;                                                   \
-        x |= 0x1000100 - ((x >> 8) & 0xff00ff);                         \
-        x &= 0xff00ff;                                                  \
-        x |= t;                                                         \
-} while (0)
-
-/*
-  x_c = (x_c * a + y_c *b) / 256
-*/
-#define FbByteAddMul_256(x, a, y, b) do {                               \
-        CARD32 t = (x & 0xff00ff) * a + (y & 0xff00ff) * b;             \
-        t >>= 8;                                                        \
-        t &= 0xff00ff;                                                  \
-                                                                        \
-        x = ((x >> 8) & 0xff00ff) * a + ((y >> 8) & 0xff00ff) * b;      \
-        x &= 0xff00ff00;                                                \
-        x += t;                                                         \
-} while (0)
-/*
-  x_c = (x_c * a_c) / 255
-*/
-#define FbByteMulC(x, a) do {                           \
-        CARD32 t;                                       \
-        CARD32 r = (x & 0xff) * (a & 0xff);             \
-        r |= (x & 0xff0000) * ((a >> 16) & 0xff);       \
-	r += 0x800080;					\
-        r = (r + ((r >> 8) & 0xff00ff)) >> 8;           \
-        r &= 0xff00ff;                                  \
-                                                        \
-        x >>= 8;                                        \
-        t = (x & 0xff) * ((a >> 8) & 0xff);             \
-        t |= (x & 0xff0000) * (a >> 24);                \
-        t += 0x800080;                                  \
-        t = t + ((t >> 8) & 0xff00ff);                  \
-        x = r | (t & 0xff00ff00);                       \
-                                                        \
-    } while (0)
-
-/*
-  x_c = (x_c * a) / 255 + y
-*/
-#define FbByteMulAddC(x, a, y) do {                                 \
-        CARD32 t;                                                   \
-        CARD32 r = (x & 0xff) * (a & 0xff);                         \
-        r |= (x & 0xff0000) * ((a >> 16) & 0xff);                   \
-	r += 0x800080;						    \
-	r = (r + ((r >> 8) & 0xff00ff)) >> 8;			    \
-        r &= 0xff00ff;                                              \
-        r += y & 0xff00ff;                                          \
-        r |= 0x1000100 - ((r >> 8) & 0xff00ff);                     \
-        r &= 0xff00ff;                                              \
-                                                                    \
-        x >>= 8;                                                       \
-        t = (x & 0xff) * ((a >> 8) & 0xff);                            \
-        t |= (x & 0xff0000) * (a >> 24);                               \
-	t += 0x800080;                                                 \
-        t = (t + ((t >> 8) & 0xff00ff)) >> 8;			       \
-        t &= 0xff00ff;                                                 \
-        t += (y >> 8) & 0xff00ff;                                      \
-        t |= 0x1000100 - ((t >> 8) & 0xff00ff);                        \
-        t &= 0xff00ff;                                                 \
-        x = r | (t << 8);                                              \
-    } while (0)
-
-/*
-  x_c = (x_c * a_c + y_c * b) / 255
-*/
-#define FbByteAddMulC(x, a, y, b) do {                                  \
-        CARD32 t;                                                       \
-        CARD32 r = (x >> 24) * (a >> 24) + (y >> 24) * b;               \
-        r += (r >> 8) + 0x80;                                           \
-        r >>= 8;                                                        \
-                                                                        \
-        t = (x & 0xff00) * ((a >> 8) & 0xff) + (y & 0xff00) * b;        \
-        t += (t >> 8) + 0x8000;                                         \
-        t >>= 16;                                                       \
-                                                                        \
-        t |= r << 16;                                                   \
-        t |= 0x1000100 - ((t >> 8) & 0xff00ff);                         \
-        t &= 0xff00ff;                                                  \
-        t <<= 8;                                                        \
-                                                                        \
-        r = ((x >> 16) & 0xff) * ((a >> 16) & 0xff) + ((y >> 16) & 0xff) * b + 0x80; \
-        r += (r >> 8);                                                  \
-        r >>= 8;                                                        \
-                                                                        \
-        x = (x & 0xff) * (a & 0xff) + (y & 0xff) * b + 0x80;            \
-        x += (x >> 8);                                                  \
-        x >>= 8;                                                        \
-        x |= r << 16;                                                   \
-        x |= 0x1000100 - ((x >> 8) & 0xff00ff);                         \
-        x &= 0xff00ff;                                                  \
-        x |= t;                                                         \
-    } while (0)
- 
-/*
-  x_c = min(x_c + y_c, 255)
-*/
-#define FbByteAdd(x, y) do {                                            \
-        CARD32 t;                                                       \
-        CARD32 r = (x & 0xff00ff) + (y & 0xff00ff);                     \
-        r |= 0x1000100 - ((r >> 8) & 0xff00ff);                         \
-        r &= 0xff00ff;                                                  \
-                                                                        \
-        t = ((x >> 8) & 0xff00ff) + ((y >> 8) & 0xff00ff);              \
-        t |= 0x1000100 - ((t >> 8) & 0xff00ff);                         \
-        r |= (t & 0xff00ff) << 8;                                       \
-        x = r;                                                          \
-    } while (0)
-
-#define div_255(x) (((x) + 0x80 + (((x) + 0x80) >> 8)) >> 8)
-
-#if defined(__i386__) && defined(__GNUC__)
-#define FASTCALL __attribute__((regparm(3)))
-#else
-#define FASTCALL
-#endif
-
-typedef struct _FbComposeData {
-    CARD8	op;
-    PicturePtr	src;
-    PicturePtr	mask;
-    PicturePtr	dest;
-    INT16	xSrc;
-    INT16	ySrc;
-    INT16	xMask;
-    INT16	yMask;
-    INT16	xDest;
-    INT16	yDest;
-    CARD16	width;
-    CARD16	height;
-} FbComposeData;
-
-extern _X_EXPORT void
-fbCompositeRect (const FbComposeData *data, CARD32 *scanline_buffer);
-
-typedef FASTCALL void (*CombineMaskU) (CARD32 *src, const CARD32 *mask, int width);
-typedef FASTCALL void (*CombineFuncU) (CARD32 *dest, const CARD32 *src, int width);
-typedef FASTCALL void (*CombineFuncC) (CARD32 *dest, CARD32 *src, CARD32 *mask, int width);
-
-typedef struct _FbComposeFunctions {
-    CombineFuncU *combineU;
-    CombineFuncC *combineC;
-    CombineMaskU combineMaskU;
-} FbComposeFunctions;
-
-/* fbcompose.c */
-
-extern _X_EXPORT void
-fbCompositeGeneral (CARD8	op,
-		    PicturePtr	pSrc,
-		    PicturePtr	pMask,
-		    PicturePtr	pDst,
-		    INT16	xSrc,
-		    INT16	ySrc,
-		    INT16	xMask,
-		    INT16	yMask,
-		    INT16	xDst,
-		    INT16	yDst,
-		    CARD16	width,
-		    CARD16	height);
-
-/* fbpict.c */
-extern _X_EXPORT void
-fbComposite (CARD8      op,
-	     PicturePtr pSrc,
-	     PicturePtr pMask,
-	     PicturePtr pDst,
-	     INT16      xSrc,
-	     INT16      ySrc,
-	     INT16      xMask,
-	     INT16      yMask,
-	     INT16      xDst,
-	     INT16      yDst,
-	     CARD16     width,
-	     CARD16     height);
-
-typedef void	(*CompositeFunc) (CARD8      op,
-				  PicturePtr pSrc,
-				  PicturePtr pMask,
-				  PicturePtr pDst,
-				  INT16      xSrc,
-				  INT16      ySrc,
-				  INT16      xMask,
-                                  INT16      yMask,
-				  INT16      xDst,
-				  INT16      yDst,
-				  CARD16     width,
-				  CARD16     height);
-
-extern _X_EXPORT void
-fbWalkCompositeRegion (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 srcRepeat,
-		       Bool maskRepeat,
-		       CompositeFunc compositeRect);
-
-/* fbtrap.c */
-
-extern _X_EXPORT void
-fbAddTraps (PicturePtr	pPicture,
-	    INT16	xOff,
-	    INT16	yOff,
-	    int		ntrap,
-	    xTrap	*traps);
-
-extern _X_EXPORT void
-fbRasterizeTrapezoid (PicturePtr    alpha,
-		      xTrapezoid    *trap,
-		      int	    x_off,
-		      int	    y_off);
-
-extern _X_EXPORT void
-fbAddTriangles (PicturePtr  pPicture,
-		INT16	    xOff,
-		INT16	    yOff,
-		int	    ntri,
-		xTriangle   *tris);
-
-#endif /* _FBPICT_H_ */
+/*

+ *

+ * Copyright © 2000 Keith Packard, member of The XFree86 Project, Inc.

+ *

+ * 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 Keith Packard not be used in

+ * advertising or publicity pertaining to distribution of the software without

+ * specific, written prior permission.  Keith Packard makes no

+ * representations about the suitability of this software for any purpose.  It

+ * is provided "as is" without express or implied warranty.

+ *

+ * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,

+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO

+ * EVENT SHALL KEITH PACKARD 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.

+ */

+

+#ifdef HAVE_DIX_CONFIG_H

+#include <dix-config.h>

+#endif

+

+#ifndef _FBPICT_H_

+#define _FBPICT_H_

+

+/* fbpict.c */

+extern _X_EXPORT void

+fbComposite (CARD8      op,

+	     PicturePtr pSrc,

+	     PicturePtr pMask,

+	     PicturePtr pDst,

+	     INT16      xSrc,

+	     INT16      ySrc,

+	     INT16      xMask,

+	     INT16      yMask,

+	     INT16      xDst,

+	     INT16      yDst,

+	     CARD16     width,

+	     CARD16     height);

+

+/* fbtrap.c */

+

+extern _X_EXPORT void

+fbAddTraps (PicturePtr	pPicture,

+	    INT16	xOff,

+	    INT16	yOff,

+	    int		ntrap,

+	    xTrap	*traps);

+

+extern _X_EXPORT void

+fbRasterizeTrapezoid (PicturePtr    alpha,

+		      xTrapezoid    *trap,

+		      int	    x_off,

+		      int	    y_off);

+

+extern _X_EXPORT void

+fbAddTriangles (PicturePtr  pPicture,

+		INT16	    xOff,

+		INT16	    yOff,

+		int	    ntri,

+		xTriangle   *tris);

+

+#endif /* _FBPICT_H_ */