src/gallium/auxiliary/util/u_format_table.py

   1 #!/usr/bin/env python
   2
   3 '''
   4 /**************************************************************************
   5  *
   6  * Copyright 2009 VMware, Inc.
   7  * All Rights Reserved.
   8  *
   9  * Permission is hereby granted, free of charge, to any person obtaining a
  10  * copy of this software and associated documentation files (the
  11  * "Software"), to deal in the Software without restriction, including
  12  * without limitation the rights to use, copy, modify, merge, publish,
  13  * distribute, sub license, and/or sell copies of the Software, and to
  14  * permit persons to whom the Software is furnished to do so, subject to
  15  * the following conditions:
  16  *
  17  * The above copyright notice and this permission notice (including the
  18  * next paragraph) shall be included in all copies or substantial portions
  19  * of the Software.
  20  *
  21  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  22  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  23  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  24  * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
  25  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  26  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  27  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  28  *
  29  **************************************************************************/
  30 '''
  31
  32
  33 import sys
  34
  35 from u_format_parse import *
  36
  37
  38 def layout_map(layout):
  39     return 'UTIL_FORMAT_LAYOUT_' + str(layout).upper()
  40
  41
  42 def colorspace_map(colorspace):
  43     return 'UTIL_FORMAT_COLORSPACE_' + str(colorspace).upper()
  44
  45
  46 colorspace_channels_map = {
  47     'rgb': 'rgba',
  48     'rgba': 'rgba',
  49     'zs': 'zs',
  50     'yuv': ['y1', 'y2', 'u', 'v'],
  51     'dxt': []
  52 }
  53
  54
  55 kind_map = {
  56     VOID:     "UTIL_FORMAT_TYPE_VOID",
  57     UNSIGNED: "UTIL_FORMAT_TYPE_UNSIGNED",
  58     SIGNED:   "UTIL_FORMAT_TYPE_SIGNED",
  59     FIXED:    "UTIL_FORMAT_TYPE_FIXED",
  60     FLOAT:    "UTIL_FORMAT_TYPE_FLOAT",
  61 }
  62
  63
  64 def bool_map(value):
  65     if value:
  66         return "TRUE"
  67     else:
  68         return "FALSE"
  69
  70
  71 swizzle_map = {
  72     SWIZZLE_X:    "UTIL_FORMAT_SWIZZLE_X",
  73     SWIZZLE_Y:    "UTIL_FORMAT_SWIZZLE_Y",
  74     SWIZZLE_Z:    "UTIL_FORMAT_SWIZZLE_Z",
  75     SWIZZLE_W:    "UTIL_FORMAT_SWIZZLE_W",
  76     SWIZZLE_0:    "UTIL_FORMAT_SWIZZLE_0",
  77     SWIZZLE_1:    "UTIL_FORMAT_SWIZZLE_1",
  78     SWIZZLE_NONE: "UTIL_FORMAT_SWIZZLE_NONE",
  79 }
  80
  81
  82 def write_format_table(formats):
  83     print '/* This file is autogenerated by u_format_table.py from u_format.csv. Do not edit directly. */'
  84     print
  85     # This will print the copyright message on the top of this file
  86     print __doc__.strip()
  87     print
  88     print '#include "u_format.h"'
  89     print
  90     print 'const struct util_format_description'
  91     print 'util_format_description_table[] = '
  92     print "{"
  93     for format in formats:
  94         print "   {"
  95         print "      %s," % (format.name,)
  96         print "      \"%s\"," % (format.name,)
  97         print "      {%u, %u, %u}, /* block */" % (format.block_width, format.block_height, format.block_size())
  98         print "      %s," % (layout_map(format.layout),)
  99         print "      {"
 100         for i in range(4):
 101             type = format.in_types[i]
 102             if i < 3:
 103                 sep = ","
 104             else:
 105                 sep = ""
 106             print "         {%s, %s, %u}%s /* %s */" % (kind_map[type.kind], bool_map(type.norm), type.size, sep, "xyzw"[i])
 107         print "      },"
 108         print "      {"
 109         for i in range(4):
 110             swizzle = format.out_swizzle[i]
 111             if i < 3:
 112                 sep = ","
 113             else:
 114                 sep = ""
 115             try:
 116                 comment = layout_channels_map[format.layout][i]
 117             except:
 118                 comment = 'ignored'
 119             print "         %s%s /* %s */" % (swizzle_map[swizzle], sep, comment)
 120         print "      },"
 121         print "      %s," % (colorspace_map(format.colorspace),)
 122         print "   },"
 123     print "   {"
 124     print "      PIPE_FORMAT_NONE,"
 125     print "      \"PIPE_FORMAT_NONE\","
 126     print "      {0, 0, 0},"
 127     print "      0,"
 128     print "      {{0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}},"
 129     print "      {0, 0, 0, 0},"
 130     print "      0"
 131     print "   },"
 132     print "};"
 133
 134
 135 def main():
 136
 137     formats = []
 138     for arg in sys.argv[1:]:
 139         formats.extend(parse(arg))
 140     write_format_table(formats)
 141
 142
 143 if __name__ == '__main__':
 144     main()