diff options
Diffstat (limited to 'xorg-server/include/servermd.h')
| -rw-r--r-- | xorg-server/include/servermd.h | 718 |
1 files changed, 357 insertions, 361 deletions
diff --git a/xorg-server/include/servermd.h b/xorg-server/include/servermd.h index 99e89a5c4..be3963f4e 100644 --- a/xorg-server/include/servermd.h +++ b/xorg-server/include/servermd.h @@ -1,361 +1,357 @@ -/***********************************************************
-
-Copyright 1987, 1998 The Open Group
-
-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.
-
-The above copyright notice and this permission notice shall be included in
-all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
-AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-Except as contained in this notice, the name of The Open Group shall not be
-used in advertising or otherwise to promote the sale, use or other dealings
-in this Software without prior written authorization from The Open Group.
-
-
-Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
-
- All Rights Reserved
-
-Permission to use, copy, modify, and distribute this software and its
-documentation for any purpose and without fee is hereby granted,
-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 Digital not be
-used in advertising or publicity pertaining to distribution of the
-software without specific, written prior permission.
-
-DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
-ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
-DIGITAL 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.
-
-******************************************************************/
-
-#ifndef SERVERMD_H
-#define SERVERMD_H 1
-
-/*
- * Note: much of this is vestigial from mfb/cfb times. This should
- * really be simplified even further.
- */
-
-/*
- * Machine dependent values:
- * GLYPHPADBYTES should be chosen with consideration for the space-time
- * trade-off. Padding to 0 bytes means that there is no wasted space
- * in the font bitmaps (both on disk and in memory), but that access of
- * the bitmaps will cause odd-address memory references. Padding to
- * 2 bytes would ensure even address memory references and would
- * be suitable for a 68010-class machine, but at the expense of wasted
- * space in the font bitmaps. Padding to 4 bytes would be good
- * for real 32 bit machines, etc. Be sure that you tell the font
- * compiler what kind of padding you want because its defines are
- * kept separate from this. See server/include/font.h for how
- * GLYPHPADBYTES is used.
- */
-
-#ifdef __avr32__
-
-#define IMAGE_BYTE_ORDER MSBFirst
-#define BITMAP_BIT_ORDER MSBFirst
-#define GLYPHPADBYTES 4
-
-#endif /* __avr32__ */
-
-#ifdef __arm32__
-
-#define IMAGE_BYTE_ORDER LSBFirst
-#define BITMAP_BIT_ORDER LSBFirst
-#define GLYPHPADBYTES 4
-
-#endif /* __arm32__ */
-
-#if defined(__nds32__)
-
-#define IMAGE_BYTE_ORDER LSBFirst
-
-#if defined(XF86MONOVGA) || defined(XF86VGA16) || defined(XF86MONO)
-# define BITMAP_BIT_ORDER MSBFirst
-#else
-# define BITMAP_BIT_ORDER LSBFirst
-#endif
-
-#if defined(XF86MONOVGA) || defined(XF86VGA16)
-# define BITMAP_SCANLINE_UNIT 8
-#endif
-
-#define GLYPHPADBYTES 4
-#define GETLEFTBITS_ALIGNMENT 1
-#define LARGE_INSTRUCTION_CACHE
-#define AVOID_MEMORY_READ
-
-#endif /* __nds32__ */
-
-#if defined __hppa__
-
-#define IMAGE_BYTE_ORDER MSBFirst
-#define BITMAP_BIT_ORDER MSBFirst
-#define GLYPHPADBYTES 4 /* to make fb work */
- /* byte boundries */
-#endif /* hpux || __hppa__ */
-
-#if defined(__powerpc__) || defined(__ppc__) || defined(__ppc64__)
-
-#define IMAGE_BYTE_ORDER MSBFirst
-#define BITMAP_BIT_ORDER MSBFirst
-#define GLYPHPADBYTES 4
-
-#endif /* PowerPC */
-
-#if defined(__sh__)
-
-#if defined(__BIG_ENDIAN__)
-# define IMAGE_BYTE_ORDER MSBFirst
-# define BITMAP_BIT_ORDER MSBFirst
-# define GLYPHPADBYTES 4
-#else
-# define IMAGE_BYTE_ORDER LSBFirst
-# define BITMAP_BIT_ORDER LSBFirst
-# define GLYPHPADBYTES 4
-#endif
-
-#endif /* SuperH */
-
-#if defined(__m32r__)
-
-#if defined(__BIG_ENDIAN__)
-# define IMAGE_BYTE_ORDER MSBFirst
-# define BITMAP_BIT_ORDER MSBFirst
-# define GLYPHPADBYTES 4
-#else
-# define IMAGE_BYTE_ORDER LSBFirst
-# define BITMAP_BIT_ORDER LSBFirst
-# define GLYPHPADBYTES 4
-#endif
-
-#endif /* __m32r__ */
-
-#if (defined(sun) && (defined(__sparc) || defined(sparc))) || \
- (defined(__uxp__) && (defined(sparc) || defined(mc68000))) || \
- defined(__sparc__) || defined(__mc68000__)
-
-#if defined(__sparc) || defined(__sparc__)
-# if !defined(sparc)
-# define sparc 1
-# endif
-#endif
-
-#if defined(sun386) || defined(sun5)
-# define IMAGE_BYTE_ORDER LSBFirst /* Values for the SUN only */
-# define BITMAP_BIT_ORDER LSBFirst
-#else
-# define IMAGE_BYTE_ORDER MSBFirst /* Values for the SUN only */
-# define BITMAP_BIT_ORDER MSBFirst
-#endif
-
-#define GLYPHPADBYTES 4
-
-#endif /* sun && !(i386 && SVR4) */
-
-
-#if defined(ibm032) || defined (ibm)
-
-#ifdef __i386__
-# define IMAGE_BYTE_ORDER LSBFirst /* Value for PS/2 only */
-#else
-# define IMAGE_BYTE_ORDER MSBFirst /* Values for the RT only*/
-#endif
-#define BITMAP_BIT_ORDER MSBFirst
-#define GLYPHPADBYTES 1
-/* ibm pcc doesn't understand pragmas. */
-
-#ifdef __i386__
-#define BITMAP_SCANLINE_UNIT 8
-#endif
-
-#endif /* ibm */
-
-#if (defined(mips) || defined(__mips))
-
-#if defined(MIPSEL) || defined(__MIPSEL__)
-# define IMAGE_BYTE_ORDER LSBFirst /* Values for the PMAX only */
-# define BITMAP_BIT_ORDER LSBFirst
-# define GLYPHPADBYTES 4
-#else
-# define IMAGE_BYTE_ORDER MSBFirst /* Values for the MIPS only */
-# define BITMAP_BIT_ORDER MSBFirst
-# define GLYPHPADBYTES 4
-#endif
-
-#endif /* mips */
-
-#if defined(__alpha) || defined(__alpha__)
-# define IMAGE_BYTE_ORDER LSBFirst /* Values for the Alpha only */
-# define BITMAP_BIT_ORDER LSBFirst
-# define GLYPHPADBYTES 4
-
-#endif /* alpha */
-
-#if defined (linux) && defined (__s390__)
-
-#define IMAGE_BYTE_ORDER MSBFirst
-#define BITMAP_BIT_ORDER MSBFirst
-#define GLYPHPADBYTES 4
-
-#define BITMAP_SCANLINE_UNIT 8
-#define FAST_UNALIGNED_READ
-
-#endif /* linux/s390 */
-
-#if defined (linux) && defined (__s390x__)
-
-#define IMAGE_BYTE_ORDER MSBFirst
-#define BITMAP_BIT_ORDER MSBFirst
-#define GLYPHPADBYTES 4
-
-#define BITMAP_SCANLINE_UNIT 8
-#define FAST_UNALIGNED_READ
-
-#endif /* linux/s390x */
-
-
-#if defined(__ia64__) || defined(ia64)
-
-# define IMAGE_BYTE_ORDER LSBFirst
-# define BITMAP_BIT_ORDER LSBFirst
-# define GLYPHPADBYTES 4
-
-#endif /* ia64 */
-
-#if defined(__amd64__) || defined(amd64) || defined(__amd64)
-# define IMAGE_BYTE_ORDER LSBFirst
-# define BITMAP_BIT_ORDER LSBFirst
-# define GLYPHPADBYTES 4
-/* ???? */
-#endif /* AMD64 */
-
-#if defined(SVR4) && (defined(__i386__) || defined(__i386) ) || \
- defined(__alpha__) || defined(__alpha) || \
- defined(__i386__) || \
- defined(__s390x__) || defined(__s390__)
-
-#ifndef IMAGE_BYTE_ORDER
-#define IMAGE_BYTE_ORDER LSBFirst
-#endif
-
-#ifndef BITMAP_BIT_ORDER
-# define BITMAP_BIT_ORDER LSBFirst
-#endif
-
-#ifndef GLYPHPADBYTES
-#define GLYPHPADBYTES 4
-#endif
-
-#endif /* SVR4 / BSD / i386 */
-
-#if defined (linux) && defined (__mc68000__)
-
-#define IMAGE_BYTE_ORDER MSBFirst
-#define BITMAP_BIT_ORDER MSBFirst
-#define GLYPHPADBYTES 4
-
-#endif /* linux/m68k */
-
-
-/* linux on ARM */
-#if defined(linux) && defined(__arm__)
-#define IMAGE_BYTE_ORDER LSBFirst
-#define BITMAP_BIT_ORDER LSBFirst
-#define GLYPHPADBYTES 4
-#endif
-
-/* linux on IBM S/390 */
-#if defined (linux) && defined (__s390__)
-#define IMAGE_BYTE_ORDER MSBFirst
-#define BITMAP_BIT_ORDER MSBFirst
-#define GLYPHPADBYTES 4
-#endif /* linux/s390 */
-
-#ifdef WIN32
-#define IMAGE_BYTE_ORDER LSBFirst
-#define BITMAP_BIT_ORDER LSBFirst
-#define GLYPHPADBYTES 4
-#endif
-
-/* size of buffer to use with GetImage, measured in bytes. There's obviously
- * a trade-off between the amount of heap used and the number of times the
- * ddx routine has to be called.
- */
-#ifndef IMAGE_BUFSIZE
-#define IMAGE_BUFSIZE (64*1024)
-#endif
-
-/* pad scanline to a longword */
-#ifndef BITMAP_SCANLINE_UNIT
-#define BITMAP_SCANLINE_UNIT 32
-#endif
-
-#ifndef BITMAP_SCANLINE_PAD
-#define BITMAP_SCANLINE_PAD 32
-#define LOG2_BITMAP_PAD 5
-#define LOG2_BYTES_PER_SCANLINE_PAD 2
-#endif
-
-#include <X11/Xfuncproto.h>
-/*
- * This returns the number of padding units, for depth d and width w.
- * For bitmaps this can be calculated with the macros above.
- * Other depths require either grovelling over the formats field of the
- * screenInfo or hardwired constants.
- */
-
-typedef struct _PaddingInfo {
- int padRoundUp; /* pixels per pad unit - 1 */
- int padPixelsLog2; /* log 2 (pixels per pad unit) */
- int padBytesLog2; /* log 2 (bytes per pad unit) */
- int notPower2; /* bitsPerPixel not a power of 2 */
- int bytesPerPixel; /* only set when notPower2 is TRUE */
- int bitsPerPixel; /* bits per pixel */
-} PaddingInfo;
-extern _X_EXPORT PaddingInfo PixmapWidthPaddingInfo[];
-
-/* The only portable way to get the bpp from the depth is to look it up */
-#define BitsPerPixel(d) (PixmapWidthPaddingInfo[d].bitsPerPixel)
-
-#define PixmapWidthInPadUnits(w, d) \
- (PixmapWidthPaddingInfo[d].notPower2 ? \
- (((int)(w) * PixmapWidthPaddingInfo[d].bytesPerPixel + \
- PixmapWidthPaddingInfo[d].bytesPerPixel) >> \
- PixmapWidthPaddingInfo[d].padBytesLog2) : \
- ((int)((w) + PixmapWidthPaddingInfo[d].padRoundUp) >> \
- PixmapWidthPaddingInfo[d].padPixelsLog2))
-
-/*
- * Return the number of bytes to which a scanline of the given
- * depth and width will be padded.
- */
-#define PixmapBytePad(w, d) \
- (PixmapWidthInPadUnits(w, d) << PixmapWidthPaddingInfo[d].padBytesLog2)
-
-#define BitmapBytePad(w) \
- (((int)((w) + BITMAP_SCANLINE_PAD - 1) >> LOG2_BITMAP_PAD) << LOG2_BYTES_PER_SCANLINE_PAD)
-
-#define PixmapWidthInPadUnitsProto(w, d) PixmapWidthInPadUnits(w, d)
-#define PixmapBytePadProto(w, d) PixmapBytePad(w, d)
-#define BitmapBytePadProto(w) BitmapBytePad(w)
-
-#endif /* SERVERMD_H */
+/*********************************************************** + +Copyright 1987, 1998 The Open Group + +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. + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN +AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +Except as contained in this notice, the name of The Open Group shall not be +used in advertising or otherwise to promote the sale, use or other dealings +in this Software without prior written authorization from The Open Group. + +Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts. + + All Rights Reserved + +Permission to use, copy, modify, and distribute this software and its +documentation for any purpose and without fee is hereby granted, +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 Digital not be +used in advertising or publicity pertaining to distribution of the +software without specific, written prior permission. + +DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING +ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL +DIGITAL 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. + +******************************************************************/ + +#ifndef SERVERMD_H +#define SERVERMD_H 1 + +/* + * Note: much of this is vestigial from mfb/cfb times. This should + * really be simplified even further. + */ + +/* + * Machine dependent values: + * GLYPHPADBYTES should be chosen with consideration for the space-time + * trade-off. Padding to 0 bytes means that there is no wasted space + * in the font bitmaps (both on disk and in memory), but that access of + * the bitmaps will cause odd-address memory references. Padding to + * 2 bytes would ensure even address memory references and would + * be suitable for a 68010-class machine, but at the expense of wasted + * space in the font bitmaps. Padding to 4 bytes would be good + * for real 32 bit machines, etc. Be sure that you tell the font + * compiler what kind of padding you want because its defines are + * kept separate from this. See server/include/font.h for how + * GLYPHPADBYTES is used. + */ + +#ifdef __avr32__ + +#define IMAGE_BYTE_ORDER MSBFirst +#define BITMAP_BIT_ORDER MSBFirst +#define GLYPHPADBYTES 4 + +#endif /* __avr32__ */ + +#ifdef __arm32__ + +#define IMAGE_BYTE_ORDER LSBFirst +#define BITMAP_BIT_ORDER LSBFirst +#define GLYPHPADBYTES 4 + +#endif /* __arm32__ */ + +#if defined(__nds32__) + +#define IMAGE_BYTE_ORDER LSBFirst + +#if defined(XF86MONOVGA) || defined(XF86VGA16) || defined(XF86MONO) +#define BITMAP_BIT_ORDER MSBFirst +#else +#define BITMAP_BIT_ORDER LSBFirst +#endif + +#if defined(XF86MONOVGA) || defined(XF86VGA16) +#define BITMAP_SCANLINE_UNIT 8 +#endif + +#define GLYPHPADBYTES 4 +#define GETLEFTBITS_ALIGNMENT 1 +#define LARGE_INSTRUCTION_CACHE +#define AVOID_MEMORY_READ + +#endif /* __nds32__ */ + +#if defined __hppa__ + +#define IMAGE_BYTE_ORDER MSBFirst +#define BITMAP_BIT_ORDER MSBFirst +#define GLYPHPADBYTES 4 /* to make fb work */ + /* byte boundries */ +#endif /* hpux || __hppa__ */ + +#if defined(__powerpc__) || defined(__ppc__) || defined(__ppc64__) + +#define IMAGE_BYTE_ORDER MSBFirst +#define BITMAP_BIT_ORDER MSBFirst +#define GLYPHPADBYTES 4 + +#endif /* PowerPC */ + +#if defined(__sh__) + +#if defined(__BIG_ENDIAN__) +#define IMAGE_BYTE_ORDER MSBFirst +#define BITMAP_BIT_ORDER MSBFirst +#define GLYPHPADBYTES 4 +#else +#define IMAGE_BYTE_ORDER LSBFirst +#define BITMAP_BIT_ORDER LSBFirst +#define GLYPHPADBYTES 4 +#endif + +#endif /* SuperH */ + +#if defined(__m32r__) + +#if defined(__BIG_ENDIAN__) +#define IMAGE_BYTE_ORDER MSBFirst +#define BITMAP_BIT_ORDER MSBFirst +#define GLYPHPADBYTES 4 +#else +#define IMAGE_BYTE_ORDER LSBFirst +#define BITMAP_BIT_ORDER LSBFirst +#define GLYPHPADBYTES 4 +#endif + +#endif /* __m32r__ */ + +#if (defined(sun) && (defined(__sparc) || defined(sparc))) || \ + (defined(__uxp__) && (defined(sparc) || defined(mc68000))) || \ + defined(__sparc__) || defined(__mc68000__) + +#if defined(__sparc) || defined(__sparc__) +#if !defined(sparc) +#define sparc 1 +#endif +#endif + +#if defined(sun386) || defined(sun5) +#define IMAGE_BYTE_ORDER LSBFirst /* Values for the SUN only */ +#define BITMAP_BIT_ORDER LSBFirst +#else +#define IMAGE_BYTE_ORDER MSBFirst /* Values for the SUN only */ +#define BITMAP_BIT_ORDER MSBFirst +#endif + +#define GLYPHPADBYTES 4 + +#endif /* sun && !(i386 && SVR4) */ + +#if defined(ibm032) || defined (ibm) + +#ifdef __i386__ +#define IMAGE_BYTE_ORDER LSBFirst /* Value for PS/2 only */ +#else +#define IMAGE_BYTE_ORDER MSBFirst /* Values for the RT only */ +#endif +#define BITMAP_BIT_ORDER MSBFirst +#define GLYPHPADBYTES 1 +/* ibm pcc doesn't understand pragmas. */ + +#ifdef __i386__ +#define BITMAP_SCANLINE_UNIT 8 +#endif + +#endif /* ibm */ + +#if (defined(mips) || defined(__mips)) + +#if defined(MIPSEL) || defined(__MIPSEL__) +#define IMAGE_BYTE_ORDER LSBFirst /* Values for the PMAX only */ +#define BITMAP_BIT_ORDER LSBFirst +#define GLYPHPADBYTES 4 +#else +#define IMAGE_BYTE_ORDER MSBFirst /* Values for the MIPS only */ +#define BITMAP_BIT_ORDER MSBFirst +#define GLYPHPADBYTES 4 +#endif + +#endif /* mips */ + +#if defined(__alpha) || defined(__alpha__) +#define IMAGE_BYTE_ORDER LSBFirst /* Values for the Alpha only */ +#define BITMAP_BIT_ORDER LSBFirst +#define GLYPHPADBYTES 4 + +#endif /* alpha */ + +#if defined (linux) && defined (__s390__) + +#define IMAGE_BYTE_ORDER MSBFirst +#define BITMAP_BIT_ORDER MSBFirst +#define GLYPHPADBYTES 4 + +#define BITMAP_SCANLINE_UNIT 8 +#define FAST_UNALIGNED_READ + +#endif /* linux/s390 */ + +#if defined (linux) && defined (__s390x__) + +#define IMAGE_BYTE_ORDER MSBFirst +#define BITMAP_BIT_ORDER MSBFirst +#define GLYPHPADBYTES 4 + +#define BITMAP_SCANLINE_UNIT 8 +#define FAST_UNALIGNED_READ + +#endif /* linux/s390x */ + +#if defined(__ia64__) || defined(ia64) + +#define IMAGE_BYTE_ORDER LSBFirst +#define BITMAP_BIT_ORDER LSBFirst +#define GLYPHPADBYTES 4 + +#endif /* ia64 */ + +#if defined(__amd64__) || defined(amd64) || defined(__amd64) +#define IMAGE_BYTE_ORDER LSBFirst +#define BITMAP_BIT_ORDER LSBFirst +#define GLYPHPADBYTES 4 +/* ???? */ +#endif /* AMD64 */ + +#if defined(SVR4) && (defined(__i386__) || defined(__i386) ) || \ + defined(__alpha__) || defined(__alpha) || \ + defined(__i386__) || \ + defined(__s390x__) || defined(__s390__) + +#ifndef IMAGE_BYTE_ORDER +#define IMAGE_BYTE_ORDER LSBFirst +#endif + +#ifndef BITMAP_BIT_ORDER +#define BITMAP_BIT_ORDER LSBFirst +#endif + +#ifndef GLYPHPADBYTES +#define GLYPHPADBYTES 4 +#endif + +#endif /* SVR4 / BSD / i386 */ + +#if defined (linux) && defined (__mc68000__) + +#define IMAGE_BYTE_ORDER MSBFirst +#define BITMAP_BIT_ORDER MSBFirst +#define GLYPHPADBYTES 4 + +#endif /* linux/m68k */ + +/* linux on ARM */ +#if defined(linux) && defined(__arm__) +#define IMAGE_BYTE_ORDER LSBFirst +#define BITMAP_BIT_ORDER LSBFirst +#define GLYPHPADBYTES 4 +#endif + +/* linux on IBM S/390 */ +#if defined (linux) && defined (__s390__) +#define IMAGE_BYTE_ORDER MSBFirst +#define BITMAP_BIT_ORDER MSBFirst +#define GLYPHPADBYTES 4 +#endif /* linux/s390 */ + +#ifdef WIN32 +#define IMAGE_BYTE_ORDER LSBFirst +#define BITMAP_BIT_ORDER LSBFirst +#define GLYPHPADBYTES 4 +#endif + +/* size of buffer to use with GetImage, measured in bytes. There's obviously + * a trade-off between the amount of heap used and the number of times the + * ddx routine has to be called. + */ +#ifndef IMAGE_BUFSIZE +#define IMAGE_BUFSIZE (64*1024) +#endif + +/* pad scanline to a longword */ +#ifndef BITMAP_SCANLINE_UNIT +#define BITMAP_SCANLINE_UNIT 32 +#endif + +#ifndef BITMAP_SCANLINE_PAD +#define BITMAP_SCANLINE_PAD 32 +#define LOG2_BITMAP_PAD 5 +#define LOG2_BYTES_PER_SCANLINE_PAD 2 +#endif + +#include <X11/Xfuncproto.h> +/* + * This returns the number of padding units, for depth d and width w. + * For bitmaps this can be calculated with the macros above. + * Other depths require either grovelling over the formats field of the + * screenInfo or hardwired constants. + */ + +typedef struct _PaddingInfo { + int padRoundUp; /* pixels per pad unit - 1 */ + int padPixelsLog2; /* log 2 (pixels per pad unit) */ + int padBytesLog2; /* log 2 (bytes per pad unit) */ + int notPower2; /* bitsPerPixel not a power of 2 */ + int bytesPerPixel; /* only set when notPower2 is TRUE */ + int bitsPerPixel; /* bits per pixel */ +} PaddingInfo; +extern _X_EXPORT PaddingInfo PixmapWidthPaddingInfo[]; + +/* The only portable way to get the bpp from the depth is to look it up */ +#define BitsPerPixel(d) (PixmapWidthPaddingInfo[d].bitsPerPixel) + +#define PixmapWidthInPadUnits(w, d) \ + (PixmapWidthPaddingInfo[d].notPower2 ? \ + (((int)(w) * PixmapWidthPaddingInfo[d].bytesPerPixel + \ + PixmapWidthPaddingInfo[d].bytesPerPixel) >> \ + PixmapWidthPaddingInfo[d].padBytesLog2) : \ + ((int)((w) + PixmapWidthPaddingInfo[d].padRoundUp) >> \ + PixmapWidthPaddingInfo[d].padPixelsLog2)) + +/* + * Return the number of bytes to which a scanline of the given + * depth and width will be padded. + */ +#define PixmapBytePad(w, d) \ + (PixmapWidthInPadUnits(w, d) << PixmapWidthPaddingInfo[d].padBytesLog2) + +#define BitmapBytePad(w) \ + (((int)((w) + BITMAP_SCANLINE_PAD - 1) >> LOG2_BITMAP_PAD) << LOG2_BYTES_PER_SCANLINE_PAD) + +#define PixmapWidthInPadUnitsProto(w, d) PixmapWidthInPadUnits(w, d) +#define PixmapBytePadProto(w, d) PixmapBytePad(w, d) +#define BitmapBytePadProto(w) BitmapBytePad(w) + +#endif /* SERVERMD_H */ |