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 vk_format_parse import * 36 37 def layout_map(layout): 38 return 'VK_FORMAT_LAYOUT_' + str(layout).upper() 39 40 41 def colorspace_map(colorspace): 42 return 'VK_FORMAT_COLORSPACE_' + str(colorspace).upper() 43 44 45 colorspace_channels_map = { 46 'rgb': ['r', 'g', 'b', 'a'], 47 'srgb': ['sr', 'sg', 'sb', 'a'], 48 'zs': ['z', 's'], 49 'yuv': ['y', 'u', 'v'], 50 } 51 52 53 type_map = { 54 VOID: "VK_FORMAT_TYPE_VOID", 55 UNSIGNED: "VK_FORMAT_TYPE_UNSIGNED", 56 SIGNED: "VK_FORMAT_TYPE_SIGNED", 57 FIXED: "VK_FORMAT_TYPE_FIXED", 58 FLOAT: "VK_FORMAT_TYPE_FLOAT", 59 } 60 61 62 def bool_map(value): 63 if value: 64 return "true" 65 else: 66 return "false" 67 68 69 swizzle_map = { 70 SWIZZLE_X: "VK_SWIZZLE_X", 71 SWIZZLE_Y: "VK_SWIZZLE_Y", 72 SWIZZLE_Z: "VK_SWIZZLE_Z", 73 SWIZZLE_W: "VK_SWIZZLE_W", 74 SWIZZLE_0: "VK_SWIZZLE_0", 75 SWIZZLE_1: "VK_SWIZZLE_1", 76 SWIZZLE_NONE: "VK_SWIZZLE_NONE", 77 } 78 79 def print_channels(format, func): 80 if format.nr_channels() <= 1: 81 func(format.le_channels, format.le_swizzles) 82 else: 83 print '#ifdef PIPE_ARCH_BIG_ENDIAN' 84 func(format.be_channels, format.be_swizzles) 85 print '#else' 86 func(format.le_channels, format.le_swizzles) 87 print '#endif' 88 89 def write_format_table(formats): 90 print '/* This file is autogenerated by u_format_table.py from u_format.csv. Do not edit directly. */' 91 print 92 # This will print the copyright message on the top of this file 93 print CopyRight.strip() 94 print 95 print '#include "stdbool.h"' 96 print '#include "vk_format.h"' 97 print 98 99 def do_channel_array(channels, swizzles): 100 print " {" 101 for i in range(4): 102 channel = channels[i] 103 if i < 3: 104 sep = "," 105 else: 106 sep = "" 107 if channel.size: 108 print " {%s, %s, %s, %s, %u, %u}%s\t/* %s = %s */" % (type_map[channel.type], bool_map(channel.norm), bool_map(channel.pure), bool_map(channel.scaled), channel.size, channel.shift, sep, "xyzw"[i], channel.name) 109 else: 110 print " {0, 0, 0, 0, 0}%s" % (sep,) 111 print " }," 112 113 def do_swizzle_array(channels, swizzles): 114 print " {" 115 for i in range(4): 116 swizzle = swizzles[i] 117 if i < 3: 118 sep = "," 119 else: 120 sep = "" 121 try: 122 comment = colorspace_channels_map[format.colorspace][i] 123 except (KeyError, IndexError): 124 comment = 'ignored' 125 print " %s%s\t/* %s */" % (swizzle_map[swizzle], sep, comment) 126 print " }," 127 128 for format in formats: 129 print 'const struct vk_format_description' 130 print 'vk_format_%s_description = {' % (format.short_name(),) 131 print " %s," % (format.name,) 132 print " \"%s\"," % (format.name,) 133 print " \"%s\"," % (format.short_name(),) 134 print " {%u, %u, %u},\t/* block */" % (format.block_width, format.block_height, format.block_size()) 135 print " %s," % (layout_map(format.layout),) 136 print " %u,\t/* nr_channels */" % (format.nr_channels(),) 137 print " %s,\t/* is_array */" % (bool_map(format.is_array()),) 138 print " %s,\t/* is_bitmask */" % (bool_map(format.is_bitmask()),) 139 print " %s,\t/* is_mixed */" % (bool_map(format.is_mixed()),) 140 print_channels(format, do_channel_array) 141 print_channels(format, do_swizzle_array) 142 print " %s," % (colorspace_map(format.colorspace),) 143 print "};" 144 print 145 146 print "const struct vk_format_description *" 147 print "vk_format_description(VkFormat format)" 148 print "{" 149 print " if (format > VK_FORMAT_END_RANGE) {" 150 print " return NULL;" 151 print " }" 152 print 153 print " switch (format) {" 154 for format in formats: 155 print " case %s:" % format.name 156 print " return &vk_format_%s_description;" % (format.short_name(),) 157 print " default:" 158 print " return NULL;" 159 print " }" 160 print "}" 161 print 162 163 164 def main(): 165 166 formats = [] 167 for arg in sys.argv[1:]: 168 formats.extend(parse(arg)) 169 write_format_table(formats) 170 171 172 if __name__ == '__main__': 173 main() 174
