u_format_table.py revision 8d62b2aca99ba67f794dd682ed1ec49dc8826390
1#!/usr/bin/env python 2 3CopyRight = ''' 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 33import sys 34 35from u_format_parse import * 36import u_format_pack 37 38 39def layout_map(layout): 40 return 'UTIL_FORMAT_LAYOUT_' + str(layout).upper() 41 42 43def colorspace_map(colorspace): 44 return 'UTIL_FORMAT_COLORSPACE_' + str(colorspace).upper() 45 46 47colorspace_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 55type_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 64def bool_map(value): 65 if value: 66 return "TRUE" 67 else: 68 return "FALSE" 69 70 71swizzle_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 82def 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 92 93 u_format_pack.generate(formats) 94 95 for format in formats: 96 print 'const struct util_format_description' 97 print 'util_format_%s_description = {' % (format.short_name(),) 98 print " %s," % (format.name,) 99 print " \"%s\"," % (format.name,) 100 print " \"%s\"," % (format.short_name(),) 101 print " {%u, %u, %u},\t/* block */" % (format.block_width, format.block_height, format.block_size()) 102 print " %s," % (layout_map(format.layout),) 103 print " %u,\t/* nr_channels */" % (format.nr_channels(),) 104 print " %s,\t/* is_array */" % (bool_map(format.is_array()),) 105 print " %s,\t/* is_bitmask */" % (bool_map(format.is_bitmask()),) 106 print " %s,\t/* is_mixed */" % (bool_map(format.is_mixed()),) 107 print " {" 108 for i in range(4): 109 channel = format.channels[i] 110 if i < 3: 111 sep = "," 112 else: 113 sep = "" 114 if channel.size: 115 print " {%s, %s, %u}%s\t/* %s = %s */" % (type_map[channel.type], bool_map(channel.norm), channel.size, sep, "xyzw"[i], channel.name) 116 else: 117 print " {0, 0, 0}%s" % (sep,) 118 print " }," 119 print " {" 120 for i in range(4): 121 swizzle = format.swizzles[i] 122 if i < 3: 123 sep = "," 124 else: 125 sep = "" 126 try: 127 comment = colorspace_channels_map[format.colorspace][i] 128 except (KeyError, IndexError): 129 comment = 'ignored' 130 print " %s%s\t/* %s */" % (swizzle_map[swizzle], sep, comment) 131 print " }," 132 print " %s," % (colorspace_map(format.colorspace),) 133 if format.colorspace != ZS: 134 print " &util_format_%s_unpack_rgba_8unorm," % format.short_name() 135 print " &util_format_%s_pack_rgba_8unorm," % format.short_name() 136 if format.layout == 's3tc' or format.layout == 'rgtc': 137 print " &util_format_%s_fetch_rgba_8unorm," % format.short_name() 138 else: 139 print " NULL, /* fetch_rgba_8unorm */" 140 print " &util_format_%s_unpack_rgba_float," % format.short_name() 141 print " &util_format_%s_pack_rgba_float," % format.short_name() 142 print " &util_format_%s_fetch_rgba_float," % format.short_name() 143 else: 144 print " NULL, /* unpack_rgba_8unorm */" 145 print " NULL, /* pack_rgba_8unorm */" 146 print " NULL, /* fetch_rgba_8unorm */" 147 print " NULL, /* unpack_rgba_float */" 148 print " NULL, /* pack_rgba_float */" 149 print " NULL, /* fetch_rgba_float */" 150 if format.colorspace == ZS and format.swizzles[0] != SWIZZLE_NONE: 151 print " &util_format_%s_unpack_z_32unorm," % format.short_name() 152 print " &util_format_%s_pack_z_32unorm," % format.short_name() 153 print " &util_format_%s_unpack_z_float," % format.short_name() 154 print " &util_format_%s_pack_z_float," % format.short_name() 155 else: 156 print " NULL, /* unpack_z_32unorm */" 157 print " NULL, /* pack_z_32unorm */" 158 print " NULL, /* unpack_z_float */" 159 print " NULL, /* pack_z_float */" 160 if format.colorspace == ZS and format.swizzles[1] != SWIZZLE_NONE: 161 print " &util_format_%s_unpack_s_8uscaled," % format.short_name() 162 print " &util_format_%s_pack_s_8uscaled" % format.short_name() 163 else: 164 print " NULL, /* unpack_s_8uscaled */" 165 print " NULL /* pack_s_8uscaled */" 166 print "};" 167 print 168 169 print "const struct util_format_description *" 170 print "util_format_description(enum pipe_format format)" 171 print "{" 172 print " if (format >= PIPE_FORMAT_COUNT) {" 173 print " return NULL;" 174 print " }" 175 print 176 print " switch (format) {" 177 for format in formats: 178 print " case %s:" % format.name 179 print " return &util_format_%s_description;" % (format.short_name(),) 180 print " default:" 181 print " return NULL;" 182 print " }" 183 print "}" 184 print 185 186 187def main(): 188 189 formats = [] 190 for arg in sys.argv[1:]: 191 formats.extend(parse(arg)) 192 write_format_table(formats) 193 194 195if __name__ == '__main__': 196 main() 197