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Diffstat (limited to 'xorg-server/fb/fbpict.h')
-rw-r--r--xorg-server/fb/fbpict.h552
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_ */
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