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      1 #!/usr/bin/env python
      2 
      3 CopyRight = '''
      4 /**************************************************************************
      5  *
      6  * Copyright 2010 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 import u_format_pack
     37 
     38 
     39 def layout_map(layout):
     40     return 'UTIL_FORMAT_LAYOUT_' + str(layout).upper()
     41 
     42 
     43 def colorspace_map(colorspace):
     44     return 'UTIL_FORMAT_COLORSPACE_' + str(colorspace).upper()
     45 
     46 
     47 colorspace_channels_map = {
     48     'rgb': ['r', 'g', 'b', 'a'],
     49     'srgb': ['sr', 'sg', 'sb', 'a'],
     50     'zs': ['z', 's'],
     51     'yuv': ['y', 'u', 'v'],
     52 }
     53 
     54 
     55 type_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 CopyRight.strip()
     87     print
     88     print '#include "u_format.h"'
     89     print '#include "u_format_s3tc.h"'
     90     print '#include "u_format_rgtc.h"'
     91     print '#include "u_format_latc.h"'
     92     print '#include "u_format_etc.h"'
     93     print
     94     
     95     u_format_pack.generate(formats)
     96     
     97     for format in formats:
     98         print 'const struct util_format_description'
     99         print 'util_format_%s_description = {' % (format.short_name(),)
    100         print "   %s," % (format.name,)
    101         print "   \"%s\"," % (format.name,)
    102         print "   \"%s\"," % (format.short_name(),)
    103         print "   {%u, %u, %u},\t/* block */" % (format.block_width, format.block_height, format.block_size())
    104         print "   %s," % (layout_map(format.layout),)
    105         print "   %u,\t/* nr_channels */" % (format.nr_channels(),)
    106         print "   %s,\t/* is_array */" % (bool_map(format.is_array()),)
    107         print "   %s,\t/* is_bitmask */" % (bool_map(format.is_bitmask()),)
    108         print "   %s,\t/* is_mixed */" % (bool_map(format.is_mixed()),)
    109         print "   {"
    110         for i in range(4):
    111             channel = format.channels[i]
    112             if i < 3:
    113                 sep = ","
    114             else:
    115                 sep = ""
    116             if channel.size:
    117                 print "      {%s, %s, %s, %u}%s\t/* %s = %s */" % (type_map[channel.type], bool_map(channel.norm), bool_map(channel.pure), channel.size, sep, "xyzw"[i], channel.name)
    118             else:
    119                 print "      {0, 0, 0, 0}%s" % (sep,)
    120         print "   },"
    121         print "   {"
    122         for i in range(4):
    123             swizzle = format.swizzles[i]
    124             if i < 3:
    125                 sep = ","
    126             else:
    127                 sep = ""
    128             try:
    129                 comment = colorspace_channels_map[format.colorspace][i]
    130             except (KeyError, IndexError):
    131                 comment = 'ignored'
    132             print "      %s%s\t/* %s */" % (swizzle_map[swizzle], sep, comment)
    133         print "   },"
    134         print "   %s," % (colorspace_map(format.colorspace),)
    135         if format.colorspace != ZS and format.channels[0].pure == False:
    136             print "   &util_format_%s_unpack_rgba_8unorm," % format.short_name() 
    137             print "   &util_format_%s_pack_rgba_8unorm," % format.short_name() 
    138             if format.layout == 's3tc' or format.layout == 'rgtc':
    139                 print "   &util_format_%s_fetch_rgba_8unorm," % format.short_name()
    140             else:
    141                 print "   NULL, /* fetch_rgba_8unorm */" 
    142             print "   &util_format_%s_unpack_rgba_float," % format.short_name() 
    143             print "   &util_format_%s_pack_rgba_float," % format.short_name() 
    144             print "   &util_format_%s_fetch_rgba_float," % format.short_name()
    145         else:
    146             print "   NULL, /* unpack_rgba_8unorm */" 
    147             print "   NULL, /* pack_rgba_8unorm */" 
    148             print "   NULL, /* fetch_rgba_8unorm */" 
    149             print "   NULL, /* unpack_rgba_float */" 
    150             print "   NULL, /* pack_rgba_float */" 
    151             print "   NULL, /* fetch_rgba_float */" 
    152         if format.colorspace == ZS and format.swizzles[0] != SWIZZLE_NONE:
    153             print "   &util_format_%s_unpack_z_32unorm," % format.short_name() 
    154             print "   &util_format_%s_pack_z_32unorm," % format.short_name() 
    155             print "   &util_format_%s_unpack_z_float," % format.short_name() 
    156             print "   &util_format_%s_pack_z_float," % format.short_name() 
    157         else:
    158             print "   NULL, /* unpack_z_32unorm */" 
    159             print "   NULL, /* pack_z_32unorm */" 
    160             print "   NULL, /* unpack_z_float */" 
    161             print "   NULL, /* pack_z_float */" 
    162         if format.colorspace == ZS and format.swizzles[1] != SWIZZLE_NONE:
    163             print "   &util_format_%s_unpack_s_8uint," % format.short_name() 
    164             print "   &util_format_%s_pack_s_8uint," % format.short_name() 
    165         else:
    166             print "   NULL, /* unpack_s_8uint */" 
    167             print "   NULL, /* pack_s_8uint */"
    168         if format.colorspace != ZS and format.channels[0].pure == True and format.channels[0].type == UNSIGNED:
    169             print "   &util_format_%s_unpack_unsigned, /* unpack_rgba_uint */" % format.short_name() 
    170             print "   &util_format_%s_pack_unsigned, /* pack_rgba_uint */" % format.short_name()
    171             print "   &util_format_%s_unpack_signed, /* unpack_rgba_sint */" % format.short_name()
    172             print "   &util_format_%s_pack_signed,  /* pack_rgba_sint */" % format.short_name()
    173             print "   &util_format_%s_fetch_unsigned,  /* fetch_rgba_uint */" % format.short_name()
    174             print "   NULL  /* fetch_rgba_sint */"
    175         elif format.colorspace != ZS and format.channels[0].pure == True and format.channels[0].type == SIGNED:
    176             print "   &util_format_%s_unpack_unsigned, /* unpack_rgba_uint */" % format.short_name()
    177             print "   &util_format_%s_pack_unsigned, /* pack_rgba_uint */" % format.short_name()
    178             print "   &util_format_%s_unpack_signed, /* unpack_rgba_sint */" % format.short_name()
    179             print "   &util_format_%s_pack_signed,  /* pack_rgba_sint */" % format.short_name()
    180             print "   NULL,  /* fetch_rgba_uint */"
    181             print "   &util_format_%s_fetch_signed  /* fetch_rgba_sint */" % format.short_name()
    182         else:
    183             print "   NULL, /* unpack_rgba_uint */" 
    184             print "   NULL, /* pack_rgba_uint */" 
    185             print "   NULL, /* unpack_rgba_sint */" 
    186             print "   NULL, /* pack_rgba_sint */"
    187             print "   NULL, /* fetch_rgba_uint */"
    188             print "   NULL  /* fetch_rgba_sint */"
    189         print "};"
    190         print
    191         
    192     print "const struct util_format_description *"
    193     print "util_format_description(enum pipe_format format)"
    194     print "{"
    195     print "   if (format >= PIPE_FORMAT_COUNT) {"
    196     print "      return NULL;"
    197     print "   }"
    198     print
    199     print "   switch (format) {"
    200     for format in formats:
    201         print "   case %s:" % format.name
    202         print "      return &util_format_%s_description;" % (format.short_name(),)
    203     print "   default:"
    204     print "      return NULL;"
    205     print "   }"
    206     print "}"
    207     print
    208 
    209 
    210 def main():
    211 
    212     formats = []
    213     for arg in sys.argv[1:]:
    214         formats.extend(parse(arg))
    215     write_format_table(formats)
    216 
    217 
    218 if __name__ == '__main__':
    219     main()
    220