1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
|
# encoding=utf-8
# Copyright © 2017 Intel Corporation
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
"""Create enum to string functions for vulkan using vk.xml."""
from __future__ import print_function
import argparse
import os
import textwrap
import xml.etree.cElementTree as et
from mako.template import Template
COPYRIGHT = textwrap.dedent(u"""\
* Copyright © 2017 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.""")
C_TEMPLATE = Template(textwrap.dedent(u"""\
/* Autogenerated file -- do not edit
* generated by ${file}
*
${copyright}
*/
#include <vulkan/vulkan.h>
#include <vulkan/vk_android_native_buffer.h>
#include "util/macros.h"
#include "vk_enum_to_str.h"
% for enum in enums:
const char *
vk_${enum.name[2:]}_to_str(${enum.name} input)
{
switch(input) {
% for v in sorted(enum.values.keys()):
% if enum.values[v] in FOREIGN_ENUM_VALUES:
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wswitch"
% endif
case ${v}:
return "${enum.values[v]}";
% if enum.values[v] in FOREIGN_ENUM_VALUES:
#pragma GCC diagnostic pop
% endif
% endfor
default:
unreachable("Undefined enum value.");
}
}
%endfor"""),
output_encoding='utf-8')
H_TEMPLATE = Template(textwrap.dedent(u"""\
/* Autogenerated file -- do not edit
* generated by ${file}
*
${copyright}
*/
#ifndef MESA_VK_ENUM_TO_STR_H
#define MESA_VK_ENUM_TO_STR_H
#include <vulkan/vulkan.h>
#include <vulkan/vk_android_native_buffer.h>
% for ext in extensions:
#define _${ext.name}_number (${ext.number})
% endfor
% for enum in enums:
const char * vk_${enum.name[2:]}_to_str(${enum.name} input);
% endfor
#endif"""),
output_encoding='utf-8')
# These enums are defined outside their respective enum blocks, and thus cause
# -Wswitch warnings.
FOREIGN_ENUM_VALUES = [
"VK_STRUCTURE_TYPE_NATIVE_BUFFER_ANDROID",
]
class NamedFactory(object):
"""Factory for creating enums."""
def __init__(self, type_):
self.registry = {}
self.type = type_
def __call__(self, name, **kwargs):
try:
return self.registry[name]
except KeyError:
n = self.registry[name] = self.type(name, **kwargs)
return n
def get(self, name):
return self.registry.get(name)
class VkExtension(object):
"""Simple struct-like class representing extensions"""
def __init__(self, name, number=None):
self.name = name
self.number = number
class VkEnum(object):
"""Simple struct-like class representing a single Vulkan Enum."""
def __init__(self, name, values=None):
self.name = name
# Maps numbers to names
self.values = values or dict()
def add_value(self, name, value=None,
extension=None, offset=None,
error=False):
assert value is not None or extension is not None
if value is None:
value = 1000000000 + (extension.number - 1) * 1000 + offset
if error:
value = -value
if value not in self.values:
self.values[value] = name
def parse_xml(enum_factory, ext_factory, filename):
"""Parse the XML file. Accumulate results into the factories.
This parser is a memory efficient iterative XML parser that returns a list
of VkEnum objects.
"""
xml = et.parse(filename)
for enum_type in xml.findall('./enums[@type="enum"]'):
enum = enum_factory(enum_type.attrib['name'])
for value in enum_type.findall('./enum'):
enum.add_value(value.attrib['name'],
value=int(value.attrib['value']))
for ext_elem in xml.findall('./extensions/extension[@supported="vulkan"]'):
extension = ext_factory(ext_elem.attrib['name'],
number=int(ext_elem.attrib['number']))
for value in ext_elem.findall('./require/enum[@extends]'):
enum = enum_factory.get(value.attrib['extends'])
if enum is None:
continue
if 'value' in value.attrib:
enum.add_value(value.attrib['name'],
value=int(value.attrib['value']))
else:
error = 'dir' in value.attrib and value.attrib['dir'] == '-'
enum.add_value(value.attrib['name'],
extension=extension,
offset=int(value.attrib['offset']),
error=error)
def main():
parser = argparse.ArgumentParser()
parser.add_argument('--xml', required=True,
help='Vulkan API XML files',
action='append',
dest='xml_files')
parser.add_argument('--outdir',
help='Directory to put the generated files in',
required=True)
args = parser.parse_args()
enum_factory = NamedFactory(VkEnum)
ext_factory = NamedFactory(VkExtension)
for filename in args.xml_files:
parse_xml(enum_factory, ext_factory, filename)
enums = sorted(enum_factory.registry.values(), key=lambda e: e.name)
extensions = sorted(ext_factory.registry.values(), key=lambda e: e.name)
for template, file_ in [(C_TEMPLATE, os.path.join(args.outdir, 'vk_enum_to_str.c')),
(H_TEMPLATE, os.path.join(args.outdir, 'vk_enum_to_str.h'))]:
with open(file_, 'wb') as f:
f.write(template.render(
file=os.path.basename(__file__),
enums=enums,
extensions=extensions,
copyright=COPYRIGHT,
FOREIGN_ENUM_VALUES=FOREIGN_ENUM_VALUES))
if __name__ == '__main__':
main()
|
