LibreSoc Vulkan Driver Initial Commit
[mesa.git] / src / libre-soc / vulkan / libresoc_extensions_gen.py
1 COPYRIGHT = """\
2 /*
3 * Copyright 2017 Intel Corporation
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sub license, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
12 *
13 * The above copyright notice and this permission notice (including the
14 * next paragraph) shall be included in all copies or substantial portions
15 * of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
20 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
21 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
22 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
23 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24 */
25 """
26
27 import argparse
28 import xml.etree.cElementTree as et
29
30 from mako.template import Template
31
32 from libresoc_extensions import *
33
34 platform_defines = []
35
36 def _init_exts_from_xml(xml):
37 """ Walk the Vulkan XML and fill out extra extension information. """
38
39 xml = et.parse(xml)
40
41 ext_name_map = {}
42 for ext in EXTENSIONS:
43 ext_name_map[ext.name] = ext
44
45 # KHR_display is missing from the list.
46 platform_defines.append('VK_USE_PLATFORM_DISPLAY_KHR')
47 for platform in xml.findall('./platforms/platform'):
48 platform_defines.append(platform.attrib['protect'])
49
50 for ext_elem in xml.findall('.extensions/extension'):
51 ext_name = ext_elem.attrib['name']
52 if ext_name not in ext_name_map:
53 continue
54
55 ext = ext_name_map[ext_name]
56 ext.type = ext_elem.attrib['type']
57
58 _TEMPLATE_H = Template(COPYRIGHT + """
59
60 #ifndef LIBRESOC_EXTENSIONS_H
61 #define LIBRESOC_EXTENSIONS_H
62
63 #include "stdbool.h"
64
65 #define LIBRESOC_INSTANCE_EXTENSION_COUNT ${len(instance_extensions)}
66
67 extern const VkExtensionProperties libresoc_instance_extensions[];
68
69 struct libresoc_instance_extension_table {
70 union {
71 bool extensions[LIBRESOC_INSTANCE_EXTENSION_COUNT];
72 struct {
73 %for ext in instance_extensions:
74 bool ${ext.name[3:]};
75 %endfor
76 };
77 };
78 };
79
80 extern const struct libresoc_instance_extension_table libresoc_instance_extensions_supported;
81
82
83 #define LIBRESOC_DEVICE_EXTENSION_COUNT ${len(device_extensions)}
84
85 extern const VkExtensionProperties libresoc_device_extensions[];
86
87 struct libresoc_device_extension_table {
88 union {
89 bool extensions[LIBRESOC_DEVICE_EXTENSION_COUNT];
90 struct {
91 %for ext in device_extensions:
92 bool ${ext.name[3:]};
93 %endfor
94 };
95 };
96 };
97
98 struct libresoc_physical_device;
99
100 void
101 libresoc_physical_device_get_supported_extensions(const struct libresoc_physical_device *device,
102 struct libresoc_device_extension_table *extensions);
103
104 #endif /* LIBRESOC_EXTENSIONS_H */
105 """)
106
107 _TEMPLATE_C = Template(COPYRIGHT + """
108 #include "libresoc_private.h"
109
110 #include "vk_util.h"
111
112 /* Convert the VK_USE_PLATFORM_* defines to booleans */
113 %for platform_define in platform_defines:
114 #ifdef ${platform_define}
115 # undef ${platform_define}
116 # define ${platform_define} true
117 #else
118 # define ${platform_define} false
119 #endif
120 %endfor
121
122 /* And ANDROID too */
123 #ifdef ANDROID
124 # undef ANDROID
125 # define ANDROID true
126 #else
127 # define ANDROID false
128 #endif
129
130 #define LIBRESOC_HAS_SURFACE (VK_USE_PLATFORM_WAYLAND_KHR || \\
131 VK_USE_PLATFORM_XCB_KHR || \\
132 VK_USE_PLATFORM_XLIB_KHR || \\
133 VK_USE_PLATFORM_DISPLAY_KHR)
134
135 static const uint32_t MAX_API_VERSION = ${MAX_API_VERSION.c_vk_version()};
136
137 const VkExtensionProperties libresoc_instance_extensions[LIBRESOC_INSTANCE_EXTENSION_COUNT] = {
138 %for ext in instance_extensions:
139 {"${ext.name}", ${ext.ext_version}},
140 %endfor
141 };
142
143 const struct libresoc_instance_extension_table libresoc_instance_extensions_supported = {
144 %for ext in instance_extensions:
145 .${ext.name[3:]} = ${ext.enable},
146 %endfor
147 };
148
149 uint32_t
150 libresoc_physical_device_api_version(struct libresoc_physical_device *device)
151 {
152 uint32_t version = 0;
153
154 uint32_t override = vk_get_version_override();
155 if (override)
156 return MIN2(override, MAX_API_VERSION);
157
158 %for version in API_VERSIONS:
159 if (!(${version.enable}))
160 return version;
161 version = ${version.version.c_vk_version()};
162
163 %endfor
164 return version;
165 }
166
167 const VkExtensionProperties libresoc_device_extensions[LIBRESOC_DEVICE_EXTENSION_COUNT] = {
168 %for ext in device_extensions:
169 {"${ext.name}", ${ext.ext_version}},
170 %endfor
171 };
172
173 void
174 libresoc_physical_device_get_supported_extensions(const struct libresoc_physical_device *device,
175 struct libresoc_device_extension_table *extensions)
176 {
177 *extensions = (struct libresoc_device_extension_table) {
178 %for ext in device_extensions:
179 .${ext.name[3:]} = ${ext.enable},
180 %endfor
181 };
182 }
183 """)
184
185 if __name__ == '__main__':
186 parser = argparse.ArgumentParser()
187 parser.add_argument('--out-c', help='Output C file.')
188 parser.add_argument('--out-h', help='Output H file.')
189 parser.add_argument('--xml',
190 help='Vulkan API XML file.',
191 required=True,
192 action='append',
193 dest='xml_files')
194 args = parser.parse_args()
195
196 for filename in args.xml_files:
197 _init_exts_from_xml(filename)
198
199 for ext in EXTENSIONS:
200 assert ext.type == 'instance' or ext.type == 'device'
201
202 template_env = {
203 'API_VERSIONS': API_VERSIONS,
204 'MAX_API_VERSION': MAX_API_VERSION,
205 'instance_extensions': [e for e in EXTENSIONS if e.type == 'instance'],
206 'device_extensions': [e for e in EXTENSIONS if e.type == 'device'],
207 'platform_defines': platform_defines,
208 }
209
210 if args.out_h:
211 with open(args.out_h, 'w') as f:
212 f.write(_TEMPLATE_H.render(**template_env))
213
214 if args.out_c:
215 with open(args.out_c, 'w') as f:
216 f.write(_TEMPLATE_C.render(**template_env))