1#!/usr/bin/env python 2 3from __future__ import print_function 4CopyRight = ''' 5/************************************************************************** 6 * 7 * Copyright 2010 VMware, Inc. 8 * All Rights Reserved. 9 * 10 * Permission is hereby granted, free of charge, to any person obtaining a 11 * copy of this software and associated documentation files (the 12 * "Software"), to deal in the Software without restriction, including 13 * without limitation the rights to use, copy, modify, merge, publish, 14 * distribute, sub license, and/or sell copies of the Software, and to 15 * permit persons to whom the Software is furnished to do so, subject to 16 * the following conditions: 17 * 18 * The above copyright notice and this permission notice (including the 19 * next paragraph) shall be included in all copies or substantial portions 20 * of the Software. 21 * 22 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 23 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 24 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 25 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR 26 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 27 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 28 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 29 * 30 **************************************************************************/ 31''' 32 33 34import sys 35 36from u_format_parse import * 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 "pipe/p_compiler.h"') 89 print('#include "u_format.h"') 90 print('#include "u_half.h"') 91 print('#include "u_math.h"') 92 print() 93 94 def do_channel_array(channels, swizzles): 95 print(" {") 96 for i in range(4): 97 channel = channels[i] 98 if i < 3: 99 sep = "," 100 else: 101 sep = "" 102 if channel.size: 103 print(" {%s, %s, %s, %u, %u}%s\t/* %s = %s */" % (type_map[channel.type], bool_map(channel.norm), bool_map(channel.pure), channel.size, channel.shift, sep, "xyzw"[i], channel.name)) 104 else: 105 print(" {0, 0, 0, 0, 0}%s" % (sep,)) 106 print(" },") 107 108 def do_swizzle_array(channels, swizzles): 109 print(" {") 110 for i in range(4): 111 swizzle = swizzles[i] 112 if i < 3: 113 sep = "," 114 else: 115 sep = "" 116 try: 117 comment = colorspace_channels_map[format.colorspace][i] 118 except (KeyError, IndexError): 119 comment = 'ignored' 120 print(" %s%s\t/* %s */" % (swizzle_map[swizzle], sep, comment)) 121 print(" },") 122 123 def print_channels(format, func): 124 if format.nr_channels() <= 1: 125 func(format.le_channels, format.le_swizzles) 126 else: 127 print('#ifdef PIPE_ARCH_BIG_ENDIAN') 128 func(format.be_channels, format.be_swizzles) 129 print('#else') 130 func(format.le_channels, format.le_swizzles) 131 print('#endif') 132 133 for format in formats: 134 print('const struct util_format_description') 135 print('util_format_%s_description = {' % (format.short_name(),)) 136 print(" %s," % (format.name,)) 137 print(" \"%s\"," % (format.name,)) 138 print(" \"%s\"," % (format.short_name(),)) 139 print(" {%u, %u, %u},\t/* block */" % (format.block_width, format.block_height, format.block_size())) 140 print(" %s," % (layout_map(format.layout),)) 141 print(" %u,\t/* nr_channels */" % (format.nr_channels(),)) 142 print(" %s,\t/* is_array */" % (bool_map(format.is_array()),)) 143 print(" %s,\t/* is_bitmask */" % (bool_map(format.is_bitmask()),)) 144 print(" %s,\t/* is_mixed */" % (bool_map(format.is_mixed()),)) 145 print_channels(format, do_channel_array) 146 print_channels(format, do_swizzle_array) 147 print(" %s," % (colorspace_map(format.colorspace),)) 148 print("};") 149 print() 150 151 print("const struct util_format_description *") 152 print("util_format_description(enum pipe_format format)") 153 print("{") 154 print(" if (format >= PIPE_FORMAT_COUNT) {") 155 print(" return NULL;") 156 print(" }") 157 print() 158 print(" switch (format) {") 159 for format in formats: 160 print(" case %s:" % format.name) 161 print(" return &util_format_%s_description;" % (format.short_name(),)) 162 print(" default:") 163 print(" return NULL;") 164 print(" }") 165 print("}") 166 print() 167 168 169def main(): 170 171 formats = [] 172 for arg in sys.argv[1:]: 173 formats.extend(parse(arg)) 174 write_format_table(formats) 175 176 177if __name__ == '__main__': 178 main() 179