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 def _init_exts_from_xml(xml):
  35     """ Walk the Vulkan XML and fill out extra extension information. """
  36
  37     xml = et.parse(xml)
  38
  39     ext_name_map = {}
  40     for ext in EXTENSIONS:
  41         ext_name_map[ext.name] = ext
  42
  43     for ext_elem in xml.findall('.extensions/extension'):
  44         ext_name = ext_elem.attrib['name']
  45         if ext_name not in ext_name_map:
  46             continue
  47
  48         ext = ext_name_map[ext_name]
  49         ext.type = ext_elem.attrib['type']
  50
  51 _TEMPLATE_H = Template(COPYRIGHT + """
  52
  53 #ifndef ANV_EXTENSIONS_H
  54 #define ANV_EXTENSIONS_H
  55
  56 #include "stdbool.h"
  57
  58 #define ANV_INSTANCE_EXTENSION_COUNT ${len(instance_extensions)}
  59
  60 extern const VkExtensionProperties anv_instance_extensions[];
  61
  62 struct anv_instance_extension_table {
  63    union {
  64       bool extensions[ANV_INSTANCE_EXTENSION_COUNT];
  65       struct {
  66 %for ext in instance_extensions:
  67          bool ${ext.name[3:]};
  68 %endfor
  69       };
  70    };
  71 };
  72
  73 extern const struct anv_instance_extension_table anv_instance_extensions_supported;
  74
  75
  76 #define ANV_DEVICE_EXTENSION_COUNT ${len(device_extensions)}
  77
  78 extern const VkExtensionProperties anv_device_extensions[];
  79
  80 struct anv_device_extension_table {
  81    union {
  82       bool extensions[ANV_DEVICE_EXTENSION_COUNT];
  83       struct {
  84 %for ext in device_extensions:
  85         bool ${ext.name[3:]};
  86 %endfor
  87       };
  88    };
  89 };
  90
  91 struct anv_physical_device;
  92
  93 void
  94 anv_physical_device_get_supported_extensions(const struct anv_physical_device *device,
  95                                              struct anv_device_extension_table *extensions);
  96
  97 #endif /* ANV_EXTENSIONS_H */
  98 """)
  99
 100 _TEMPLATE_C = Template(COPYRIGHT + """
 101 #include "anv_private.h"
 102
 103 #include "vk_util.h"
 104
 105 /* Convert the VK_USE_PLATFORM_* defines to booleans */
 106 %for platform in ['ANDROID', 'WAYLAND', 'XCB', 'XLIB']:
 107 #ifdef VK_USE_PLATFORM_${platform}_KHR
 108 #   undef VK_USE_PLATFORM_${platform}_KHR
 109 #   define VK_USE_PLATFORM_${platform}_KHR true
 110 #else
 111 #   define VK_USE_PLATFORM_${platform}_KHR false
 112 #endif
 113 %endfor
 114
 115 /* And ANDROID too */
 116 #ifdef ANDROID
 117 #   undef ANDROID
 118 #   define ANDROID true
 119 #else
 120 #   define ANDROID false
 121 #endif
 122
 123 #define ANV_HAS_SURFACE (VK_USE_PLATFORM_WAYLAND_KHR || \\
 124                          VK_USE_PLATFORM_XCB_KHR || \\
 125                          VK_USE_PLATFORM_XLIB_KHR)
 126
 127 static const uint32_t MAX_API_VERSION = ${MAX_API_VERSION.c_vk_version()};
 128
 129 VkResult anv_EnumerateInstanceVersion(
 130     uint32_t*                                   pApiVersion)
 131 {
 132     *pApiVersion = MAX_API_VERSION;
 133     return VK_SUCCESS;
 134 }
 135
 136 const VkExtensionProperties anv_instance_extensions[ANV_INSTANCE_EXTENSION_COUNT] = {
 137 %for ext in instance_extensions:
 138    {"${ext.name}", ${ext.ext_version}},
 139 %endfor
 140 };
 141
 142 const struct anv_instance_extension_table anv_instance_extensions_supported = {
 143 %for ext in instance_extensions:
 144    .${ext.name[3:]} = ${ext.enable},
 145 %endfor
 146 };
 147
 148 uint32_t
 149 anv_physical_device_api_version(struct anv_physical_device *device)
 150 {
 151     uint32_t version = 0;
 152
 153     uint32_t override = vk_get_version_override();
 154     if (override)
 155         return MIN2(override, MAX_API_VERSION);
 156
 157 %for version in API_VERSIONS:
 158     if (!(${version.enable}))
 159         return version;
 160     version = ${version.max_patch_version.c_vk_version()};
 161
 162 %endfor
 163     return version;
 164 }
 165
 166 const VkExtensionProperties anv_device_extensions[ANV_DEVICE_EXTENSION_COUNT] = {
 167 %for ext in device_extensions:
 168    {"${ext.name}", ${ext.ext_version}},
 169 %endfor
 170 };
 171
 172 void
 173 anv_physical_device_get_supported_extensions(const struct anv_physical_device *device,
 174                                              struct anv_device_extension_table *extensions)
 175 {
 176    *extensions = (struct anv_device_extension_table) {
 177 %for ext in device_extensions:
 178       .${ext.name[3:]} = ${ext.enable},
 179 %endfor
 180    };
 181 }
 182 """)
 183
 184 if __name__ == '__main__':
 185     parser = argparse.ArgumentParser()
 186     parser.add_argument('--out-c', help='Output C file.')
 187     parser.add_argument('--out-h', help='Output H file.')
 188     parser.add_argument('--xml',
 189                         help='Vulkan API XML file.',
 190                         required=True,
 191                         action='append',
 192                         dest='xml_files')
 193     args = parser.parse_args()
 194
 195     for filename in args.xml_files:
 196         _init_exts_from_xml(filename)
 197
 198     for ext in EXTENSIONS:
 199         assert ext.type == 'instance' or ext.type == 'device'
 200
 201     template_env = {
 202         'API_VERSIONS': API_VERSIONS,
 203         'MAX_API_VERSION': MAX_API_VERSION,
 204         'instance_extensions': [e for e in EXTENSIONS if e.type == 'instance'],
 205         'device_extensions': [e for e in EXTENSIONS if e.type == 'device'],
 206     }
 207
 208     if args.out_h:
 209         with open(args.out_h, 'w') as f:
 210             f.write(_TEMPLATE_H.render(**template_env))
 211
 212     if args.out_c:
 213         with open(args.out_c, 'w') as f:
 214             f.write(_TEMPLATE_C.render(**template_env))