src/intel/isl/isl_format_layout_gen.bash

   1 #!/usr/bin/env bash
   2 #
   3 # Copyright 2015 Intel Corporation
   4 #
   5 #  Permission is hereby granted, free of charge, to any person obtaining a
   6 #  copy of this software and associated documentation files (the "Software"),
   7 #  to deal in the Software without restriction, including without limitation
   8 #  the rights to use, copy, modify, merge, publish, distribute, sublicense,
   9 #  and/or sell copies of the Software, and to permit persons to whom the
  10 #  Software is furnished to do so, subject to the following conditions:
  11 #
  12 #  The above copyright notice and this permission notice (including the next
  13 #  paragraph) shall be included in all copies or substantial portions of the
  14 #  Software.
  15 #
  16 #  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17 #  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18 #  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19 #  THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20 #  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  21 #  FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  22 #  IN THE SOFTWARE.
  23
  24 set -eu
  25 set -o pipefail
  26
  27 cat <<'EOF'
  28 /*
  29  * Copyright 2015 Intel Corporation
  30  *
  31  *  Permission is hereby granted, free of charge, to any person obtaining a
  32  *  copy of this software and associated documentation files (the "Software"),
  33  *  to deal in the Software without restriction, including without limitation
  34  *  the rights to use, copy, modify, merge, publish, distribute, sublicense,
  35  *  and/or sell copies of the Software, and to permit persons to whom the
  36  *  Software is furnished to do so, subject to the following conditions:
  37  *
  38  *  The above copyright notice and this permission notice (including the next
  39  *  paragraph) shall be included in all copies or substantial portions of the
  40  *  Software.
  41  *
  42  *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  43  *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  44  *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  45  *  THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  46  *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  47  *  FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  48  *  IN THE SOFTWARE.
  49  */
  50
  51 #include "isl.h"
  52
  53 const struct isl_format_layout
  54 isl_format_layouts[] = {
  55 EOF
  56
  57 sed -r '
  58 # Delete comment lines and empty lines
  59 /^[[:space:]]*#/d
  60 /^[[:space:]]*$/d
  61
  62 # Delete spaces
  63 s/[[:space:]]//g
  64
  65 # Translate formats
  66 s/^([A-Za-z0-9_]+),*/ISL_FORMAT_\1,/
  67
  68 # Translate data type of channels
  69 s/\<x([0-9]+),/ISL_VOID@\1,/g
  70 s/\<r([0-9]+),/ISL_RAW@\1,/g
  71 s/\<un([0-9]+),/ISL_UNORM@\1,/g
  72 s/\<sn([0-9]+),/ISL_SNORM@\1,/g
  73 s/\<uf([0-9]+),/ISL_UFLOAT@\1,/g
  74 s/\<sf([0-9]+),/ISL_SFLOAT@\1,/g
  75 s/\<ux([0-9]+),/ISL_UFIXED@\1,/g
  76 s/\<sx([0-9]+),/ISL_SFIXED@\1,/g
  77 s/\<ui([0-9]+),/ISL_UINT@\1,/g
  78 s/\<si([0-9]+),/ISL_SINT@\1,/g
  79 s/\<us([0-9]+),/ISL_USCALED@\1,/g
  80 s/\<ss([0-9]+),/ISL_SSCALED@\1,/g
  81
  82 # Translate colorspaces
  83 # Interpret alpha-only formats as having no colorspace.
  84 s/\<(linear|srgb|yuv)\>/ISL_COLORSPACE_\1/
  85 s/\<alpha\>//
  86
  87 # Translate texture compression
  88 s/\<(dxt|fxt|rgtc|bptc|etc|astc)([0-9]*)\>/ISL_TXC_\1\2/
  89 ' |
  90 tr 'a-z' 'A-Z' | # Convert to uppersace
  91 while IFS=, read -r format bpb bw bh bd \
  92                     red green blue alpha \
  93                     luminance intensity palette \
  94                     colorspace txc
  95 do
  96     : ${colorspace:=ISL_COLORSPACE_NONE}
  97     : ${txc:=ISL_TXC_NONE}
  98
  99     cat <<EOF
 100    [$format] = {
 101       .format = $format,
 102       .name = "$format",
 103       .bs = $((bpb/8)),
 104       .bw = $bw, .bh = $bh, .bd = $bd,
 105       .channels = {
 106           .r = { $red },
 107           .g = { $green },
 108           .b = { $blue },
 109           .a = { $alpha },
 110           .l = { $luminance },
 111           .i = { $intensity },
 112           .p = { $palette },
 113       },
 114       .colorspace = $colorspace,
 115       .txc = $txc,
 116    },
 117
 118 EOF
 119 done |
 120 sed -r '
 121 # Collapse empty channels
 122 s/\{  \}/{}/
 123
 124 # Split non-empty channels into two members: base type and bit size
 125 s/@/, /
 126 '
 127
 128 # Terminate the table
 129 printf '};\n'