1 from __future__
import print_function
4 /**************************************************************************
6 * Copyright 2010 VMware, Inc.
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:
17 * The above copyright notice and this permission notice (including the
18 * next paragraph) shall be included in all copies or substantial portions
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.
29 **************************************************************************/
35 from u_format_parse
import *
39 def layout_map(layout
):
40 return 'UTIL_FORMAT_LAYOUT_' + str(layout
).upper()
43 def colorspace_map(colorspace
):
44 return 'UTIL_FORMAT_COLORSPACE_' + str(colorspace
).upper()
47 colorspace_channels_map
= {
48 'rgb': ['r', 'g', 'b', 'a'],
49 'srgb': ['sr', 'sg', 'sb', 'a'],
51 'yuv': ['y', 'u', 'v'],
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",
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",
82 def write_format_table(formats
):
83 print('/* This file is autogenerated by u_format_table.py from u_format.csv. Do not edit directly. */')
85 # This will print the copyright message on the top of this file
86 print(CopyRight
.strip())
88 print('#include "u_format.h"')
89 print('#include "u_format_bptc.h"')
90 print('#include "u_format_s3tc.h"')
91 print('#include "u_format_rgtc.h"')
92 print('#include "u_format_latc.h"')
93 print('#include "u_format_etc.h"')
96 u_format_pack
.generate(formats
)
98 def do_channel_array(channels
, swizzles
):
101 channel
= channels
[i
]
107 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
))
109 print(" {0, 0, 0, 0, 0}%s" % (sep
,))
112 def do_swizzle_array(channels
, swizzles
):
115 swizzle
= swizzles
[i
]
121 comment
= colorspace_channels_map
[format
.colorspace
][i
]
122 except (KeyError, IndexError):
124 print(" %s%s\t/* %s */" % (swizzle_map
[swizzle
], sep
, comment
))
127 def generate_table_getter(type):
128 print("const struct util_format_%sdescription *" % type)
129 print("util_format_%sdescription(enum pipe_format format)" % type)
131 print(" if (format >= PIPE_FORMAT_COUNT) {")
132 print(" return NULL;")
135 print(" switch (format) {")
136 for format
in formats
:
137 print(" case %s:" % format
.name
)
138 print(" return &util_format_%s_%sdescription;" % (format
.short_name(), type))
140 print(" return NULL;")
146 for format
in formats
:
147 sn
= format
.short_name()
149 print('const struct util_format_description')
150 print('util_format_%s_description = {' % (sn
,))
151 print(" %s," % (format
.name
,))
152 print(" \"%s\"," % (format
.name
,))
153 print(" \"%s\"," % (sn
,))
154 print(" {%u, %u, %u, %u},\t/* block */" % (format
.block_width
, format
.block_height
, format
.block_depth
, format
.block_size()))
155 print(" %s," % (layout_map(format
.layout
),))
156 print(" %u,\t/* nr_channels */" % (format
.nr_channels(),))
157 print(" %s,\t/* is_array */" % (bool_map(format
.is_array()),))
158 print(" %s,\t/* is_bitmask */" % (bool_map(format
.is_bitmask()),))
159 print(" %s,\t/* is_mixed */" % (bool_map(format
.is_mixed()),))
160 print(" %s,\t/* is_unorm */" % (bool_map(format
.is_unorm()),))
161 print(" %s,\t/* is_snorm */" % (bool_map(format
.is_snorm()),))
162 u_format_pack
.print_channels(format
, do_channel_array
)
163 u_format_pack
.print_channels(format
, do_swizzle_array
)
164 print(" %s," % (colorspace_map(format
.colorspace
),))
168 # We don't generate code for YUV formats, and many of the new ones lack pack/unpack
169 # functions for softpipe/llvmpipe.
185 'y8_u8_v8_422_unorm',
187 'y8_u8_v8_444_unorm',
188 'y16_u16_v16_420_unorm',
189 'y16_u16_v16_422_unorm',
190 'y16_u16v16_422_unorm',
191 'y16_u16_v16_444_unorm',
193 access
= sn
not in noaccess_formats
194 if format
.layout
in ('astc', 'atc', 'fxt1'):
196 if format
.layout
== 'etc' and sn
!= 'etc1_rgb8':
199 print('const struct util_format_pack_description')
200 print('util_format_%s_pack_description = {' % sn
)
201 if format
.colorspace
!= ZS
and not format
.is_pure_color() and access
:
202 print(" .pack_rgba_8unorm = &util_format_%s_pack_rgba_8unorm," % sn
)
203 print(" .pack_rgba_float = &util_format_%s_pack_rgba_float," % sn
)
205 if format
.has_depth():
206 print(" .pack_z_32unorm = &util_format_%s_pack_z_32unorm," % sn
)
207 print(" .pack_z_float = &util_format_%s_pack_z_float," % sn
)
209 if format
.has_stencil():
210 print(" .pack_s_8uint = &util_format_%s_pack_s_8uint," % sn
)
212 if format
.is_pure_unsigned() or format
.is_pure_signed():
213 print(" .pack_rgba_uint = &util_format_%s_pack_unsigned," % sn
)
214 print(" .pack_rgba_sint = &util_format_%s_pack_signed," % sn
)
218 print('const struct util_format_unpack_description')
219 print('util_format_%s_unpack_description = {' % sn
)
220 if format
.colorspace
!= ZS
and not format
.is_pure_color() and access
:
221 print(" .unpack_rgba_8unorm = &util_format_%s_unpack_rgba_8unorm," % sn
)
222 if format
.layout
== 's3tc' or format
.layout
== 'rgtc':
223 print(" .fetch_rgba_8unorm = &util_format_%s_fetch_rgba_8unorm," % sn
)
224 print(" .unpack_rgba = &util_format_%s_unpack_rgba_float," % sn
)
225 print(" .fetch_rgba_float = &util_format_%s_fetch_rgba_float," % sn
)
227 if format
.has_depth():
228 print(" .unpack_z_32unorm = &util_format_%s_unpack_z_32unorm," % sn
)
229 print(" .unpack_z_float = &util_format_%s_unpack_z_float," % sn
)
231 if format
.has_stencil():
232 print(" .unpack_s_8uint = &util_format_%s_unpack_s_8uint," % sn
)
234 if format
.is_pure_unsigned():
235 print(" .unpack_rgba = &util_format_%s_unpack_unsigned," % sn
)
236 print(" .fetch_rgba_uint = &util_format_%s_fetch_unsigned," % sn
)
237 elif format
.is_pure_signed():
238 print(" .unpack_rgba = &util_format_%s_unpack_signed," % sn
)
239 print(" .fetch_rgba_sint = &util_format_%s_fetch_signed," % sn
)
243 generate_table_getter("")
244 generate_table_getter("pack_")
245 generate_table_getter("unpack_")
250 for arg
in sys
.argv
[1:]:
251 formats
.extend(parse(arg
))
252 write_format_table(formats
)
255 if __name__
== '__main__':