src/intel/vulkan/anv_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 anv_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 ANV_EXTENSIONS_H
  61 #define ANV_EXTENSIONS_H
  62
  63 #include "stdbool.h"
  64
  65 #define ANV_INSTANCE_EXTENSION_COUNT ${len(instance_extensions)}
  66
  67 extern const VkExtensionProperties anv_instance_extensions[];
  68
  69 struct anv_instance_extension_table {
  70    union {
  71       bool extensions[ANV_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 anv_instance_extension_table anv_instance_extensions_supported;
  81
  82
  83 #define ANV_DEVICE_EXTENSION_COUNT ${len(device_extensions)}
  84
  85 extern const VkExtensionProperties anv_device_extensions[];
  86
  87 struct anv_device_extension_table {
  88    union {
  89       bool extensions[ANV_DEVICE_EXTENSION_COUNT];
  90       struct {
  91 %for ext in device_extensions:
  92         bool ${ext.name[3:]};
  93 %endfor
  94       };
  95    };
  96 };
  97
  98 struct anv_physical_device;
  99
 100 void
 101 anv_physical_device_get_supported_extensions(const struct anv_physical_device *device,
 102                                              struct anv_device_extension_table *extensions);
 103
 104 #endif /* ANV_EXTENSIONS_H */
 105 """)
 106
 107 _TEMPLATE_C = Template(COPYRIGHT + """
 108 #include "anv_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 #   define ANDROID_API_LEVEL 0
 129 #endif
 130
 131 #define ANV_HAS_SURFACE (VK_USE_PLATFORM_WAYLAND_KHR || \\
 132                          VK_USE_PLATFORM_XCB_KHR || \\
 133                          VK_USE_PLATFORM_XLIB_KHR || \\
 134                          VK_USE_PLATFORM_DISPLAY_KHR)
 135
 136 static const uint32_t MAX_API_VERSION = ${MAX_API_VERSION.c_vk_version()};
 137
 138 VkResult anv_EnumerateInstanceVersion(
 139     uint32_t*                                   pApiVersion)
 140 {
 141     *pApiVersion = MAX_API_VERSION;
 142     return VK_SUCCESS;
 143 }
 144
 145 const VkExtensionProperties anv_instance_extensions[ANV_INSTANCE_EXTENSION_COUNT] = {
 146 %for ext in instance_extensions:
 147    {"${ext.name}", ${ext.ext_version}},
 148 %endfor
 149 };
 150
 151 const struct anv_instance_extension_table anv_instance_extensions_supported = {
 152 %for ext in instance_extensions:
 153    .${ext.name[3:]} = ${get_extension_condition(ext.name, ext.enable)},
 154 %endfor
 155 };
 156
 157 uint32_t
 158 anv_physical_device_api_version(struct anv_physical_device *device)
 159 {
 160     uint32_t version = 0;
 161
 162     uint32_t override = vk_get_version_override();
 163     if (override)
 164         return MIN2(override, MAX_API_VERSION);
 165
 166 %for version in API_VERSIONS:
 167     if (!(${version.enable}))
 168         return version;
 169     version = ${version.version.c_vk_version()};
 170
 171 %endfor
 172     return version;
 173 }
 174
 175 const VkExtensionProperties anv_device_extensions[ANV_DEVICE_EXTENSION_COUNT] = {
 176 %for ext in device_extensions:
 177    {"${ext.name}", ${ext.ext_version}},
 178 %endfor
 179 };
 180
 181 void
 182 anv_physical_device_get_supported_extensions(const struct anv_physical_device *device,
 183                                              struct anv_device_extension_table *extensions)
 184 {
 185    *extensions = (struct anv_device_extension_table) {
 186 %for ext in device_extensions:
 187       .${ext.name[3:]} = ${get_extension_condition(ext.name, ext.enable)},
 188 %endfor
 189    };
 190 }
 191 """)
 192
 193 if __name__ == '__main__':
 194     parser = argparse.ArgumentParser()
 195     parser.add_argument('--out-c', help='Output C file.')
 196     parser.add_argument('--out-h', help='Output H file.')
 197     parser.add_argument('--xml',
 198                         help='Vulkan API XML file.',
 199                         required=True,
 200                         action='append',
 201                         dest='xml_files')
 202     args = parser.parse_args()
 203
 204     for filename in args.xml_files:
 205         _init_exts_from_xml(filename)
 206
 207     for ext in EXTENSIONS:
 208         assert ext.type == 'instance' or ext.type == 'device'
 209
 210     template_env = {
 211         'API_VERSIONS': API_VERSIONS,
 212         'MAX_API_VERSION': MAX_API_VERSION,
 213         'instance_extensions': [e for e in EXTENSIONS if e.type == 'instance'],
 214         'device_extensions': [e for e in EXTENSIONS if e.type == 'device'],
 215         'platform_defines': platform_defines,
 216         'get_extension_condition': get_extension_condition,
 217     }
 218
 219     if args.out_h:
 220         with open(args.out_h, 'w') as f:
 221             f.write(_TEMPLATE_H.render(**template_env))
 222
 223     if args.out_c:
 224         with open(args.out_c, 'w') as f:
 225             f.write(_TEMPLATE_C.render(**template_env))