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| 2 |
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| 3 | #ifdef HAVE_XORG_CONFIG_H
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| 4 | #include <xorg-config.h>
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| 5 | #endif
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| 6 |
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| 7 | #include <X11/Xarch.h>
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| 8 |
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| 9 | #ifndef FIXEDBASE
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| 10 | #define CHECKRETURN(b) if(width <= ((b) * 32)) return(base + (b))
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| 11 | #else
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| 12 | #define CHECKRETURN(b) if(width <= ((b) * 32)) return(base)
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| 13 | #endif
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| 14 |
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| 15 | #if X_BYTE_ORDER == X_BIG_ENDIAN
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| 16 | # define SHIFT_L(value, shift) ((value) >> (shift))
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| 17 | # define SHIFT_R(value, shift) ((value) << (shift))
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| 18 | #else
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| 19 | # define SHIFT_L(value, shift) ((value) << (shift))
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| 20 | # define SHIFT_R(value, shift) ((value) >> (shift))
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| 21 | #endif
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| 22 |
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| 23 | #ifndef MSBFIRST
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| 24 | # ifdef FIXEDBASE
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| 25 | # define WRITE_IN_BITORDER(dest, offset, data) *(dest) = data;
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| 26 | # else
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| 27 | # define WRITE_IN_BITORDER(dest, offset, data) *(dest + offset) = data;
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| 28 | # endif
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| 29 | #else
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| 30 | # ifdef FIXEDBASE
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| 31 | # define WRITE_IN_BITORDER(dest, offset, data) *(dest) = SWAP_BITS_IN_BYTES(data);
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| 32 | # else
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| 33 | # define WRITE_IN_BITORDER(dest, offset, data) *(dest + offset) = SWAP_BITS_IN_BYTES(data)
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| 34 | # endif
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| 35 | #endif
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| 36 |
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| 37 | #ifdef FIXEDBASE
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| 38 | # ifdef MSBFIRST
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| 39 | # define WRITE_BITS(b) *base = SWAP_BITS_IN_BYTES(b)
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| 40 | # define WRITE_BITS1(b) { \
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| 41 | *base = byte_reversed_expand3[(b) & 0xFF] | \
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| 42 | byte_reversed_expand3[((b) & 0xFF00) >> 8] << 24; }
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| 43 | # define WRITE_BITS2(b) { \
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| 44 | *base = byte_reversed_expand3[(b) & 0xFF] | \
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| 45 | byte_reversed_expand3[((b) & 0xFF00) >> 8] << 24; \
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| 46 | *base = byte_reversed_expand3[((b) & 0xFF00) >> 8] >> 8 | \
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| 47 | byte_reversed_expand3[((b) & 0xFF0000) >> 16] << 16; }
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| 48 | # define WRITE_BITS3(b) { \
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| 49 | *base = byte_reversed_expand3[(b) & 0xFF] | \
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| 50 | byte_reversed_expand3[((b) & 0xFF00) >> 8] << 24; \
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| 51 | *base = byte_reversed_expand3[((b) & 0xFF00) >> 8] >> 8 | \
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| 52 | byte_reversed_expand3[((b) & 0xFF0000) >> 16] << 16; \
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| 53 | *base = byte_reversed_expand3[((b) & 0xFF0000) >> 16] >> 16 | \
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| 54 | byte_reversed_expand3[((b) & 0xFF000000) >> 24] << 8; }
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| 55 | # else
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| 56 | # define WRITE_BITS(b) *base = (b)
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| 57 | # define WRITE_BITS1(b) { \
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| 58 | *base = byte_expand3[(b) & 0xFF] | \
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| 59 | byte_expand3[((b) & 0xFF00) >> 8] << 24; }
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| 60 | # define WRITE_BITS2(b) { \
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| 61 | *base = byte_expand3[(b) & 0xFF] | \
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| 62 | byte_expand3[((b) & 0xFF00) >> 8] << 24; \
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| 63 | *base = byte_expand3[((b) & 0xFF00) >> 8] >> 8 | \
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| 64 | byte_expand3[((b) & 0xFF0000) >> 16] << 16; }
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| 65 | # define WRITE_BITS3(b) { \
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| 66 | *base = byte_expand3[(b) & 0xFF] | \
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| 67 | byte_expand3[((b) & 0xFF00) >> 8] << 24; \
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| 68 | *base = byte_expand3[((b) & 0xFF00) >> 8] >> 8 | \
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| 69 | byte_expand3[((b) & 0xFF0000) >> 16] << 16; \
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| 70 | *base = byte_expand3[((b) & 0xFF0000) >> 16] >> 16 | \
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| 71 | byte_expand3[((b) & 0xFF000000) >> 24] << 8; }
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| 72 | # endif
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| 73 | #else
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| 74 | # ifdef MSBFIRST
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| 75 | # define WRITE_BITS(b) *(base++) = SWAP_BITS_IN_BYTES(b)
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| 76 | # define WRITE_BITS1(b) { \
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| 77 | *(base++) = byte_reversed_expand3[(b) & 0xFF] | \
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| 78 | byte_reversed_expand3[((b) & 0xFF00) >> 8] << 24; }
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| 79 | # define WRITE_BITS2(b) { \
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| 80 | *(base) = byte_reversed_expand3[(b) & 0xFF] | \
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| 81 | byte_reversed_expand3[((b) & 0xFF00) >> 8] << 24; \
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| 82 | *(base + 1) = byte_reversed_expand3[((b) & 0xFF00) >> 8] >> 8 | \
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| 83 | byte_reversed_expand3[((b) & 0xFF0000) >> 16] << 16; \
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| 84 | base += 2; }
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| 85 | # define WRITE_BITS3(b) { \
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| 86 | *(base) = byte_reversed_expand3[(b) & 0xFF] | \
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| 87 | byte_reversed_expand3[((b) & 0xFF00) >> 8] << 24; \
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| 88 | *(base + 1) = byte_reversed_expand3[((b) & 0xFF00) >> 8] >> 8 | \
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| 89 | byte_reversed_expand3[((b) & 0xFF0000) >> 16] << 16; \
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| 90 | *(base + 2) = byte_reversed_expand3[((b) & 0xFF0000) >> 16] >> 16 | \
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| 91 | byte_reversed_expand3[((b) & 0xFF000000) >> 24] << 8; \
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| 92 | base += 3; }
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| 93 | # else
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| 94 | # define WRITE_BITS(b) *(base++) = (b)
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| 95 | # define WRITE_BITS1(b) { \
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| 96 | *(base++) = byte_expand3[(b) & 0xFF] | \
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| 97 | byte_expand3[((b) & 0xFF00) >> 8] << 24; }
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| 98 | # define WRITE_BITS2(b) { \
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| 99 | *(base) = byte_expand3[(b) & 0xFF] | \
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| 100 | byte_expand3[((b) & 0xFF00) >> 8] << 24; \
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| 101 | *(base + 1) = byte_expand3[((b) & 0xFF00) >> 8] >> 8 | \
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| 102 | byte_expand3[((b) & 0xFF0000) >> 16] << 16; \
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| 103 | base += 2; }
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| 104 | # define WRITE_BITS3(b) { \
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| 105 | *(base) = byte_expand3[(b) & 0xFF] | \
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| 106 | byte_expand3[((b) & 0xFF00) >> 8] << 24; \
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| 107 | *(base + 1) = byte_expand3[((b) & 0xFF00) >> 8] >> 8 | \
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| 108 | byte_expand3[((b) & 0xFF0000) >> 16] << 16; \
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| 109 | *(base + 2) = byte_expand3[((b) & 0xFF0000) >> 16] >> 16 | \
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| 110 | byte_expand3[((b) & 0xFF000000) >> 24] << 8; \
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| 111 | base += 3; }
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| 112 | # endif
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| 113 | #endif
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| 114 |
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| 115 | #ifdef FIXEDBASE
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| 116 | # ifdef MSBFIRST
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| 117 | # define EXPNAME(x) x##MSBFirstFixedBase
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| 118 | # else
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| 119 | # define EXPNAME(x) x##LSBFirstFixedBase
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| 120 | # endif
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| 121 | #else
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| 122 | # ifdef MSBFIRST
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| 123 | # define EXPNAME(x) x##MSBFirst
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| 124 | # else
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| 125 | # define EXPNAME(x) x##LSBFirst
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| 126 | # endif
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| 127 | #endif
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