1
2CopyRight = '''
3/**************************************************************************
4 *
5 * Copyright 2010 VMware, Inc.
6 * All Rights Reserved.
7 *
8 * Permission is hereby granted, free of charge, to any person obtaining a
9 * copy of this software and associated documentation files (the
10 * "Software"), to deal in the Software without restriction, including
11 * without limitation the rights to use, copy, modify, merge, publish,
12 * distribute, sub license, and/or sell copies of the Software, and to
13 * permit persons to whom the Software is furnished to do so, subject to
14 * the following conditions:
15 *
16 * The above copyright notice and this permission notice (including the
17 * next paragraph) shall be included in all copies or substantial portions
18 * of the Software.
19 *
20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
21 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
22 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
23 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
24 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
25 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
26 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
27 *
28 **************************************************************************/
29'''
30
31
32import sys
33
34from vk_format_parse import *
35
36def layout_map(layout):
37    return 'VK_FORMAT_LAYOUT_' + str(layout).upper()
38
39
40def colorspace_map(colorspace):
41    return 'VK_FORMAT_COLORSPACE_' + str(colorspace).upper()
42
43
44colorspace_channels_map = {
45    'rgb': ['r', 'g', 'b', 'a'],
46    'srgb': ['sr', 'sg', 'sb', 'a'],
47    'zs': ['z', 's'],
48    'yuv': ['y', 'u', 'v'],
49}
50
51
52type_map = {
53    VOID:     "VK_FORMAT_TYPE_VOID",
54    UNSIGNED: "VK_FORMAT_TYPE_UNSIGNED",
55    SIGNED:   "VK_FORMAT_TYPE_SIGNED",
56    FIXED:    "VK_FORMAT_TYPE_FIXED",
57    FLOAT:    "VK_FORMAT_TYPE_FLOAT",
58}
59
60
61def bool_map(value):
62    if value:
63        return "true"
64    else:
65        return "false"
66
67
68swizzle_map = {
69    SWIZZLE_X:    "VK_SWIZZLE_X",
70    SWIZZLE_Y:    "VK_SWIZZLE_Y",
71    SWIZZLE_Z:    "VK_SWIZZLE_Z",
72    SWIZZLE_W:    "VK_SWIZZLE_W",
73    SWIZZLE_0:    "VK_SWIZZLE_0",
74    SWIZZLE_1:    "VK_SWIZZLE_1",
75    SWIZZLE_NONE: "VK_SWIZZLE_NONE",
76}
77
78def print_channels(format, func):
79    if format.nr_channels() <= 1:
80        func(format.le_channels, format.le_swizzles)
81    else:
82        print '#ifdef PIPE_ARCH_BIG_ENDIAN'
83        func(format.be_channels, format.be_swizzles)
84        print '#else'
85        func(format.le_channels, format.le_swizzles)
86        print '#endif'
87
88def write_format_table(formats):
89    print '/* This file is autogenerated by u_format_table.py from u_format.csv. Do not edit directly. */'
90    print
91    # This will print the copyright message on the top of this file
92    print CopyRight.strip()
93    print
94    print '#include "stdbool.h"'
95    print '#include "vk_format.h"'
96    print
97
98    def do_channel_array(channels, swizzles):
99        print "   {"
100        for i in range(4):
101            channel = channels[i]
102            if i < 3:
103                sep = ","
104            else:
105                sep = ""
106            if channel.size:
107                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)
108            else:
109                print "      {0, 0, 0, 0, 0}%s" % (sep,)
110        print "   },"
111
112    def do_swizzle_array(channels, swizzles):
113        print "   {"
114        for i in range(4):
115            swizzle = swizzles[i]
116            if i < 3:
117                sep = ","
118            else:
119                sep = ""
120            try:
121                comment = colorspace_channels_map[format.colorspace][i]
122            except (KeyError, IndexError):
123                comment = 'ignored'
124            print "      %s%s\t/* %s */" % (swizzle_map[swizzle], sep, comment)
125        print "   },"
126
127    for format in formats:
128        print 'const struct vk_format_description'
129        print 'vk_format_%s_description = {' % (format.short_name(),)
130        print "   %s," % (format.name,)
131        print "   \"%s\"," % (format.name,)
132        print "   \"%s\"," % (format.short_name(),)
133        print "   {%u, %u, %u},\t/* block */" % (format.block_width, format.block_height, format.block_size())
134        print "   %s," % (layout_map(format.layout),)
135        print "   %u,\t/* nr_channels */" % (format.nr_channels(),)
136        print "   %s,\t/* is_array */" % (bool_map(format.is_array()),)
137        print "   %s,\t/* is_bitmask */" % (bool_map(format.is_bitmask()),)
138        print "   %s,\t/* is_mixed */" % (bool_map(format.is_mixed()),)
139        print_channels(format, do_channel_array)
140        print_channels(format, do_swizzle_array)
141        print "   %s," % (colorspace_map(format.colorspace),)
142        print "};"
143        print
144
145    print "const struct vk_format_description *"
146    print "vk_format_description(VkFormat format)"
147    print "{"
148    print "   if (format > VK_FORMAT_END_RANGE) {"
149    print "      return NULL;"
150    print "   }"
151    print
152    print "   switch (format) {"
153    for format in formats:
154        print "   case %s:" % format.name
155        print "      return &vk_format_%s_description;" % (format.short_name(),)
156    print "   default:"
157    print "      return NULL;"
158    print "   }"
159    print "}"
160    print
161
162
163def main():
164
165    formats = []
166    for arg in sys.argv[1:]:
167        formats.extend(parse(arg))
168    write_format_table(formats)
169
170
171if __name__ == '__main__':
172    main()
173