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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:    "PIPE_SWIZZLE_X",
73    SWIZZLE_Y:    "PIPE_SWIZZLE_Y",
74    SWIZZLE_Z:    "PIPE_SWIZZLE_Z",
75    SWIZZLE_W:    "PIPE_SWIZZLE_W",
76    SWIZZLE_0:    "PIPE_SWIZZLE_0",
77    SWIZZLE_1:    "PIPE_SWIZZLE_1",
78    SWIZZLE_NONE: "PIPE_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 '#include "u_format_latc.h"'
92    print '#include "u_format_etc.h"'
93    print
94
95    u_format_pack.generate(formats)
96
97    def do_channel_array(channels, swizzles):
98        print "   {"
99        for i in range(4):
100            channel = channels[i]
101            if i < 3:
102                sep = ","
103            else:
104                sep = ""
105            if channel.size:
106                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)
107            else:
108                print "      {0, 0, 0, 0, 0}%s" % (sep,)
109        print "   },"
110
111    def do_swizzle_array(channels, swizzles):
112        print "   {"
113        for i in range(4):
114            swizzle = swizzles[i]
115            if i < 3:
116                sep = ","
117            else:
118                sep = ""
119            try:
120                comment = colorspace_channels_map[format.colorspace][i]
121            except (KeyError, IndexError):
122                comment = 'ignored'
123            print "      %s%s\t/* %s */" % (swizzle_map[swizzle], sep, comment)
124        print "   },"
125
126    for format in formats:
127        print 'const struct util_format_description'
128        print 'util_format_%s_description = {' % (format.short_name(),)
129        print "   %s," % (format.name,)
130        print "   \"%s\"," % (format.name,)
131        print "   \"%s\"," % (format.short_name(),)
132        print "   {%u, %u, %u},\t/* block */" % (format.block_width, format.block_height, format.block_size())
133        print "   %s," % (layout_map(format.layout),)
134        print "   %u,\t/* nr_channels */" % (format.nr_channels(),)
135        print "   %s,\t/* is_array */" % (bool_map(format.is_array()),)
136        print "   %s,\t/* is_bitmask */" % (bool_map(format.is_bitmask()),)
137        print "   %s,\t/* is_mixed */" % (bool_map(format.is_mixed()),)
138        u_format_pack.print_channels(format, do_channel_array)
139        u_format_pack.print_channels(format, do_swizzle_array)
140        print "   %s," % (colorspace_map(format.colorspace),)
141        access = True
142        if format.layout in ('bptc', 'astc'):
143            access = False
144        if format.layout == 'etc' and format.short_name() != 'etc1_rgb8':
145            access = False
146        if format.colorspace != ZS and not format.is_pure_color() and access:
147            print "   &util_format_%s_unpack_rgba_8unorm," % format.short_name()
148            print "   &util_format_%s_pack_rgba_8unorm," % format.short_name()
149            if format.layout == 's3tc' or format.layout == 'rgtc':
150                print "   &util_format_%s_fetch_rgba_8unorm," % format.short_name()
151            else:
152                print "   NULL, /* fetch_rgba_8unorm */"
153            print "   &util_format_%s_unpack_rgba_float," % format.short_name()
154            print "   &util_format_%s_pack_rgba_float," % format.short_name()
155            print "   &util_format_%s_fetch_rgba_float," % format.short_name()
156        else:
157            print "   NULL, /* unpack_rgba_8unorm */"
158            print "   NULL, /* pack_rgba_8unorm */"
159            print "   NULL, /* fetch_rgba_8unorm */"
160            print "   NULL, /* unpack_rgba_float */"
161            print "   NULL, /* pack_rgba_float */"
162            print "   NULL, /* fetch_rgba_float */"
163        if format.has_depth():
164            print "   &util_format_%s_unpack_z_32unorm," % format.short_name()
165            print "   &util_format_%s_pack_z_32unorm," % format.short_name()
166            print "   &util_format_%s_unpack_z_float," % format.short_name()
167            print "   &util_format_%s_pack_z_float," % format.short_name()
168        else:
169            print "   NULL, /* unpack_z_32unorm */"
170            print "   NULL, /* pack_z_32unorm */"
171            print "   NULL, /* unpack_z_float */"
172            print "   NULL, /* pack_z_float */"
173        if format.has_stencil():
174            print "   &util_format_%s_unpack_s_8uint," % format.short_name()
175            print "   &util_format_%s_pack_s_8uint," % format.short_name()
176        else:
177            print "   NULL, /* unpack_s_8uint */"
178            print "   NULL, /* pack_s_8uint */"
179        if format.is_pure_unsigned():
180            print "   &util_format_%s_unpack_unsigned, /* unpack_rgba_uint */" % format.short_name()
181            print "   &util_format_%s_pack_unsigned, /* pack_rgba_uint */" % format.short_name()
182            print "   &util_format_%s_unpack_signed, /* unpack_rgba_sint */" % format.short_name()
183            print "   &util_format_%s_pack_signed,  /* pack_rgba_sint */" % format.short_name()
184            print "   &util_format_%s_fetch_unsigned,  /* fetch_rgba_uint */" % format.short_name()
185            print "   NULL  /* fetch_rgba_sint */"
186        elif format.is_pure_signed():
187            print "   &util_format_%s_unpack_unsigned, /* unpack_rgba_uint */" % format.short_name()
188            print "   &util_format_%s_pack_unsigned, /* pack_rgba_uint */" % format.short_name()
189            print "   &util_format_%s_unpack_signed, /* unpack_rgba_sint */" % format.short_name()
190            print "   &util_format_%s_pack_signed,  /* pack_rgba_sint */" % format.short_name()
191            print "   NULL,  /* fetch_rgba_uint */"
192            print "   &util_format_%s_fetch_signed  /* fetch_rgba_sint */" % format.short_name()
193        else:
194            print "   NULL, /* unpack_rgba_uint */"
195            print "   NULL, /* pack_rgba_uint */"
196            print "   NULL, /* unpack_rgba_sint */"
197            print "   NULL, /* pack_rgba_sint */"
198            print "   NULL, /* fetch_rgba_uint */"
199            print "   NULL  /* fetch_rgba_sint */"
200        print "};"
201        print
202
203    print "const struct util_format_description *"
204    print "util_format_description(enum pipe_format format)"
205    print "{"
206    print "   if (format >= PIPE_FORMAT_COUNT) {"
207    print "      return NULL;"
208    print "   }"
209    print
210    print "   switch (format) {"
211    for format in formats:
212        print "   case %s:" % format.name
213        print "      return &util_format_%s_description;" % (format.short_name(),)
214    print "   default:"
215    print "      return NULL;"
216    print "   }"
217    print "}"
218    print
219
220
221def main():
222
223    formats = []
224    for arg in sys.argv[1:]:
225        formats.extend(parse(arg))
226    write_format_table(formats)
227
228
229if __name__ == '__main__':
230    main()
231