| 1 | /***********************************************************
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| 2 |
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| 3 | Copyright 1987, 1998 The Open Group
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| 4 |
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| 5 | Permission to use, copy, modify, distribute, and sell this software and its
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| 6 | documentation for any purpose is hereby granted without fee, provided that
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| 7 | the above copyright notice appear in all copies and that both that
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| 8 | copyright notice and this permission notice appear in supporting
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| 9 | documentation.
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| 10 |
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| 11 | The above copyright notice and this permission notice shall be included in
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| 12 | all copies or substantial portions of the Software.
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| 13 |
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| 14 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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| 15 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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| 16 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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| 17 | OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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| 18 | AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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| 19 | CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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| 20 |
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| 21 | Except as contained in this notice, the name of The Open Group shall not be
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| 22 | used in advertising or otherwise to promote the sale, use or other dealings
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| 23 | in this Software without prior written authorization from The Open Group.
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| 24 |
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| 25 |
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| 26 | Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
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| 27 |
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| 28 | All Rights Reserved
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| 29 |
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| 30 | Permission to use, copy, modify, and distribute this software and its
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| 31 | documentation for any purpose and without fee is hereby granted,
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| 32 | provided that the above copyright notice appear in all copies and that
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| 33 | both that copyright notice and this permission notice appear in
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| 34 | supporting documentation, and that the name of Digital not be
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| 35 | used in advertising or publicity pertaining to distribution of the
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| 36 | software without specific, written prior permission.
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| 37 |
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| 38 | DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
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| 39 | ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
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| 40 | DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
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| 41 | ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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| 42 | WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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| 43 | ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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| 44 | SOFTWARE.
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| 45 |
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| 46 | ******************************************************************/
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| 47 |
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| 48 | #ifndef SERVERMD_H
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| 49 | #define SERVERMD_H 1
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| 50 |
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| 51 | /*
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| 52 | * Note: much of this is vestigial from mfb/cfb times. This should
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| 53 | * really be simplified even further.
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| 54 | */
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| 55 |
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| 56 | /*
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| 57 | * Machine dependent values:
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| 58 | * GLYPHPADBYTES should be chosen with consideration for the space-time
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| 59 | * trade-off. Padding to 0 bytes means that there is no wasted space
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| 60 | * in the font bitmaps (both on disk and in memory), but that access of
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| 61 | * the bitmaps will cause odd-address memory references. Padding to
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| 62 | * 2 bytes would ensure even address memory references and would
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| 63 | * be suitable for a 68010-class machine, but at the expense of wasted
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| 64 | * space in the font bitmaps. Padding to 4 bytes would be good
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| 65 | * for real 32 bit machines, etc. Be sure that you tell the font
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| 66 | * compiler what kind of padding you want because its defines are
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| 67 | * kept separate from this. See server/include/font.h for how
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| 68 | * GLYPHPADBYTES is used.
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| 69 | */
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| 70 |
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| 71 | #ifdef __avr32__
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| 72 |
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| 73 | #define IMAGE_BYTE_ORDER MSBFirst
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| 74 | #define BITMAP_BIT_ORDER MSBFirst
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| 75 | #define GLYPHPADBYTES 4
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| 76 |
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| 77 | #endif /* __avr32__ */
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| 78 |
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| 79 | #ifdef __arm32__
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| 80 |
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| 81 | #define IMAGE_BYTE_ORDER LSBFirst
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| 82 | #define BITMAP_BIT_ORDER LSBFirst
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| 83 | #define GLYPHPADBYTES 4
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| 84 |
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| 85 | #endif /* __arm32__ */
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| 86 |
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| 87 | #if defined __hppa__
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| 88 |
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| 89 | #define IMAGE_BYTE_ORDER MSBFirst
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| 90 | #define BITMAP_BIT_ORDER MSBFirst
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| 91 | #define GLYPHPADBYTES 4 /* to make fb work */
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| 92 | /* byte boundries */
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| 93 | #endif /* hpux || __hppa__ */
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| 94 |
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| 95 | #if defined(__powerpc__) || defined(__ppc__) || defined(__ppc64__)
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| 96 |
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| 97 | #define IMAGE_BYTE_ORDER MSBFirst
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| 98 | #define BITMAP_BIT_ORDER MSBFirst
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| 99 | #define GLYPHPADBYTES 4
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| 100 |
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| 101 | #endif /* PowerPC */
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| 102 |
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| 103 | #if defined(__sh__)
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| 104 |
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| 105 | #if defined(__BIG_ENDIAN__)
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| 106 | # define IMAGE_BYTE_ORDER MSBFirst
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| 107 | # define BITMAP_BIT_ORDER MSBFirst
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| 108 | # define GLYPHPADBYTES 4
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| 109 | #else
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| 110 | # define IMAGE_BYTE_ORDER LSBFirst
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| 111 | # define BITMAP_BIT_ORDER LSBFirst
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| 112 | # define GLYPHPADBYTES 4
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| 113 | #endif
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| 114 |
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| 115 | #endif /* SuperH */
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| 116 |
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| 117 | #if defined(__m32r__)
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| 118 |
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| 119 | #if defined(__BIG_ENDIAN__)
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| 120 | # define IMAGE_BYTE_ORDER MSBFirst
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| 121 | # define BITMAP_BIT_ORDER MSBFirst
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| 122 | # define GLYPHPADBYTES 4
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| 123 | #else
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| 124 | # define IMAGE_BYTE_ORDER LSBFirst
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| 125 | # define BITMAP_BIT_ORDER LSBFirst
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| 126 | # define GLYPHPADBYTES 4
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| 127 | #endif
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| 128 |
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| 129 | #endif /* __m32r__ */
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| 130 |
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| 131 | #if (defined(sun) && (defined(__sparc) || defined(sparc))) || \
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| 132 | (defined(__uxp__) && (defined(sparc) || defined(mc68000))) || \
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| 133 | defined(__sparc__) || defined(__mc68000__)
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| 134 |
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| 135 | #if defined(__sparc) || defined(__sparc__)
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| 136 | # if !defined(sparc)
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| 137 | # define sparc 1
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| 138 | # endif
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| 139 | #endif
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| 140 |
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| 141 | #if defined(sun386) || defined(sun5)
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| 142 | # define IMAGE_BYTE_ORDER LSBFirst /* Values for the SUN only */
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| 143 | # define BITMAP_BIT_ORDER LSBFirst
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| 144 | #else
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| 145 | # define IMAGE_BYTE_ORDER MSBFirst /* Values for the SUN only */
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| 146 | # define BITMAP_BIT_ORDER MSBFirst
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| 147 | #endif
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| 148 |
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| 149 | #define GLYPHPADBYTES 4
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| 150 |
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| 151 | #endif /* sun && !(i386 && SVR4) */
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| 152 |
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| 153 |
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| 154 | #if defined(ibm032) || defined (ibm)
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| 155 |
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| 156 | #ifdef __i386__
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| 157 | # define IMAGE_BYTE_ORDER LSBFirst /* Value for PS/2 only */
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| 158 | #else
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| 159 | # define IMAGE_BYTE_ORDER MSBFirst /* Values for the RT only*/
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| 160 | #endif
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| 161 | #define BITMAP_BIT_ORDER MSBFirst
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| 162 | #define GLYPHPADBYTES 1
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| 163 | /* ibm pcc doesn't understand pragmas. */
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| 164 |
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| 165 | #ifdef __i386__
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| 166 | #define BITMAP_SCANLINE_UNIT 8
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| 167 | #endif
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| 168 |
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| 169 | #endif /* ibm */
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| 170 |
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| 171 | #if (defined(mips) || defined(__mips))
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| 172 |
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| 173 | #if defined(MIPSEL) || defined(__MIPSEL__)
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| 174 | # define IMAGE_BYTE_ORDER LSBFirst /* Values for the PMAX only */
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| 175 | # define BITMAP_BIT_ORDER LSBFirst
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| 176 | # define GLYPHPADBYTES 4
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| 177 | #else
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| 178 | # define IMAGE_BYTE_ORDER MSBFirst /* Values for the MIPS only */
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| 179 | # define BITMAP_BIT_ORDER MSBFirst
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| 180 | # define GLYPHPADBYTES 4
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| 181 | #endif
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| 182 |
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| 183 | #endif /* mips */
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| 184 |
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| 185 | #if defined(__alpha) || defined(__alpha__)
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| 186 | # define IMAGE_BYTE_ORDER LSBFirst /* Values for the Alpha only */
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| 187 | # define BITMAP_BIT_ORDER LSBFirst
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| 188 | # define GLYPHPADBYTES 4
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| 189 |
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| 190 | #endif /* alpha */
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| 191 |
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| 192 | #if defined (linux) && defined (__s390__)
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| 193 |
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| 194 | #define IMAGE_BYTE_ORDER MSBFirst
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| 195 | #define BITMAP_BIT_ORDER MSBFirst
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| 196 | #define GLYPHPADBYTES 4
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| 197 |
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| 198 | #define BITMAP_SCANLINE_UNIT 8
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| 199 | #define FAST_UNALIGNED_READ
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| 200 |
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| 201 | #endif /* linux/s390 */
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| 202 |
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| 203 | #if defined (linux) && defined (__s390x__)
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| 204 |
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| 205 | #define IMAGE_BYTE_ORDER MSBFirst
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| 206 | #define BITMAP_BIT_ORDER MSBFirst
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| 207 | #define GLYPHPADBYTES 4
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| 208 |
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| 209 | #define BITMAP_SCANLINE_UNIT 8
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| 210 | #define FAST_UNALIGNED_READ
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| 211 |
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| 212 | #endif /* linux/s390x */
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| 213 |
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| 214 |
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| 215 | #if defined(__ia64__) || defined(ia64)
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| 216 |
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| 217 | # define IMAGE_BYTE_ORDER LSBFirst
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| 218 | # define BITMAP_BIT_ORDER LSBFirst
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| 219 | # define GLYPHPADBYTES 4
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| 220 |
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| 221 | #endif /* ia64 */
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| 222 |
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| 223 | #if defined(__amd64__) || defined(amd64) || defined(__amd64)
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| 224 | # define IMAGE_BYTE_ORDER LSBFirst
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| 225 | # define BITMAP_BIT_ORDER LSBFirst
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| 226 | # define GLYPHPADBYTES 4
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| 227 | /* ???? */
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| 228 | #endif /* AMD64 */
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| 229 |
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| 230 | #if defined(SVR4) && (defined(__i386__) || defined(__i386) ) || \
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| 231 | defined(__alpha__) || defined(__alpha) || \
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| 232 | defined(__i386__) || \
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| 233 | defined(__s390x__) || defined(__s390__)
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| 234 |
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| 235 | #ifndef IMAGE_BYTE_ORDER
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| 236 | #define IMAGE_BYTE_ORDER LSBFirst
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| 237 | #endif
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| 238 |
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| 239 | #ifndef BITMAP_BIT_ORDER
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| 240 | # define BITMAP_BIT_ORDER LSBFirst
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| 241 | #endif
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| 242 |
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| 243 | #ifndef GLYPHPADBYTES
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| 244 | #define GLYPHPADBYTES 4
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| 245 | #endif
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| 246 |
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| 247 | #endif /* SVR4 / BSD / i386 */
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| 248 |
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| 249 | #if defined (linux) && defined (__mc68000__)
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| 250 |
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| 251 | #define IMAGE_BYTE_ORDER MSBFirst
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| 252 | #define BITMAP_BIT_ORDER MSBFirst
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| 253 | #define GLYPHPADBYTES 4
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| 254 |
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| 255 | #endif /* linux/m68k */
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| 256 |
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| 257 |
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| 258 | /* linux on ARM */
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| 259 | #if defined(linux) && defined(__arm__)
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| 260 | #define IMAGE_BYTE_ORDER LSBFirst
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| 261 | #define BITMAP_BIT_ORDER LSBFirst
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| 262 | #define GLYPHPADBYTES 4
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| 263 | #endif
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| 264 |
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| 265 | /* linux on IBM S/390 */
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| 266 | #if defined (linux) && defined (__s390__)
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| 267 | #define IMAGE_BYTE_ORDER MSBFirst
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| 268 | #define BITMAP_BIT_ORDER MSBFirst
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| 269 | #define GLYPHPADBYTES 4
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| 270 | #endif /* linux/s390 */
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| 271 |
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| 272 | /* size of buffer to use with GetImage, measured in bytes. There's obviously
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| 273 | * a trade-off between the amount of heap used and the number of times the
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| 274 | * ddx routine has to be called.
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| 275 | */
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| 276 | #ifndef IMAGE_BUFSIZE
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| 277 | #define IMAGE_BUFSIZE (64*1024)
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| 278 | #endif
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| 279 |
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| 280 | /* pad scanline to a longword */
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| 281 | #ifndef BITMAP_SCANLINE_UNIT
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| 282 | #define BITMAP_SCANLINE_UNIT 32
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| 283 | #endif
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| 284 |
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| 285 | #ifndef BITMAP_SCANLINE_PAD
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| 286 | #define BITMAP_SCANLINE_PAD 32
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| 287 | #define LOG2_BITMAP_PAD 5
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| 288 | #define LOG2_BYTES_PER_SCANLINE_PAD 2
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| 289 | #endif
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| 290 |
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| 291 | /*
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| 292 | * This returns the number of padding units, for depth d and width w.
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| 293 | * For bitmaps this can be calculated with the macros above.
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| 294 | * Other depths require either grovelling over the formats field of the
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| 295 | * screenInfo or hardwired constants.
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| 296 | */
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| 297 |
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| 298 | typedef struct _PaddingInfo {
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| 299 | int padRoundUp; /* pixels per pad unit - 1 */
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| 300 | int padPixelsLog2; /* log 2 (pixels per pad unit) */
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| 301 | int padBytesLog2; /* log 2 (bytes per pad unit) */
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| 302 | int notPower2; /* bitsPerPixel not a power of 2 */
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| 303 | int bytesPerPixel; /* only set when notPower2 is TRUE */
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| 304 | int bitsPerPixel; /* bits per pixel */
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| 305 | } PaddingInfo;
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| 306 | extern PaddingInfo PixmapWidthPaddingInfo[];
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| 307 |
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| 308 | /* The only portable way to get the bpp from the depth is to look it up */
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| 309 | #define BitsPerPixel(d) (PixmapWidthPaddingInfo[d].bitsPerPixel)
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| 310 |
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| 311 | #define PixmapWidthInPadUnits(w, d) \
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| 312 | (PixmapWidthPaddingInfo[d].notPower2 ? \
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| 313 | (((int)(w) * PixmapWidthPaddingInfo[d].bytesPerPixel + \
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| 314 | PixmapWidthPaddingInfo[d].bytesPerPixel) >> \
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| 315 | PixmapWidthPaddingInfo[d].padBytesLog2) : \
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| 316 | ((int)((w) + PixmapWidthPaddingInfo[d].padRoundUp) >> \
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| 317 | PixmapWidthPaddingInfo[d].padPixelsLog2))
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| 318 |
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| 319 | /*
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| 320 | * Return the number of bytes to which a scanline of the given
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| 321 | * depth and width will be padded.
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| 322 | */
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| 323 | #define PixmapBytePad(w, d) \
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| 324 | (PixmapWidthInPadUnits(w, d) << PixmapWidthPaddingInfo[d].padBytesLog2)
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| 325 |
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| 326 | #define BitmapBytePad(w) \
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| 327 | (((int)((w) + BITMAP_SCANLINE_PAD - 1) >> LOG2_BITMAP_PAD) << LOG2_BYTES_PER_SCANLINE_PAD)
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| 328 |
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| 329 | #define PixmapWidthInPadUnitsProto(w, d) PixmapWidthInPadUnits(w, d)
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| 330 | #define PixmapBytePadProto(w, d) PixmapBytePad(w, d)
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| 331 | #define BitmapBytePadProto(w) BitmapBytePad(w)
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| 332 |
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| 333 | #endif /* SERVERMD_H */
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