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         if ext_name == 'VK_ANDROID_native_buffer':
  50             # VK_ANDROID_native_buffer is missing the type specifier.  Just
  51             # hard-code it to be a device extension for now.
  52             ext.type = 'device'
  53         else:
  54             ext.type = ext_elem.attrib['type']
  55
  56 _TEMPLATE_H = Template(COPYRIGHT + """
  57
  58 #ifndef ANV_EXTENSIONS_H
  59 #define ANV_EXTENSIONS_H
  60
  61 #include "stdbool.h"
  62
  63 #define ANV_INSTANCE_EXTENSION_COUNT ${len(instance_extensions)}
  64
  65 extern const VkExtensionProperties anv_instance_extensions[];
  66
  67 struct anv_instance_extension_table {
  68    union {
  69       bool extensions[ANV_INSTANCE_EXTENSION_COUNT];
  70       struct {
  71 %for ext in instance_extensions:
  72          bool ${ext.name[3:]};
  73 %endfor
  74       };
  75    };
  76 };
  77
  78 extern const struct anv_instance_extension_table anv_instance_extensions_supported;
  79
  80
  81 #define ANV_DEVICE_EXTENSION_COUNT ${len(device_extensions)}
  82
  83 extern const VkExtensionProperties anv_device_extensions[];
  84
  85 struct anv_device_extension_table {
  86    union {
  87       bool extensions[ANV_DEVICE_EXTENSION_COUNT];
  88       struct {
  89 %for ext in device_extensions:
  90         bool ${ext.name[3:]};
  91 %endfor
  92       };
  93    };
  94 };
  95
  96 struct anv_physical_device;
  97
  98 void
  99 anv_physical_device_get_supported_extensions(const struct anv_physical_device *device,
 100                                              struct anv_device_extension_table *extensions);
 101
 102 #endif /* ANV_EXTENSIONS_H */
 103 """)
 104
 105 _TEMPLATE_C = Template(COPYRIGHT + """
 106 #include "anv_private.h"
 107
 108 #include "vk_util.h"
 109
 110 /* Convert the VK_USE_PLATFORM_* defines to booleans */
 111 %for platform in ['ANDROID', 'WAYLAND', 'XCB', 'XLIB']:
 112 #ifdef VK_USE_PLATFORM_${platform}_KHR
 113 #   undef VK_USE_PLATFORM_${platform}_KHR
 114 #   define VK_USE_PLATFORM_${platform}_KHR true
 115 #else
 116 #   define VK_USE_PLATFORM_${platform}_KHR false
 117 #endif
 118 %endfor
 119
 120 /* And ANDROID too */
 121 #ifdef ANDROID
 122 #   undef ANDROID
 123 #   define ANDROID true
 124 #else
 125 #   define ANDROID false
 126 #endif
 127
 128 #define ANV_HAS_SURFACE (VK_USE_PLATFORM_WAYLAND_KHR || \\
 129                          VK_USE_PLATFORM_XCB_KHR || \\
 130                          VK_USE_PLATFORM_XLIB_KHR)
 131
 132 static const uint32_t MAX_API_VERSION = ${MAX_API_VERSION.c_vk_version()};
 133
 134 VkResult anv_EnumerateInstanceVersion(
 135     uint32_t*                                   pApiVersion)
 136 {
 137     *pApiVersion = MAX_API_VERSION;
 138     return VK_SUCCESS;
 139 }
 140
 141 const VkExtensionProperties anv_instance_extensions[ANV_INSTANCE_EXTENSION_COUNT] = {
 142 %for ext in instance_extensions:
 143    {"${ext.name}", ${ext.ext_version}},
 144 %endfor
 145 };
 146
 147 const struct anv_instance_extension_table anv_instance_extensions_supported = {
 148 %for ext in instance_extensions:
 149    .${ext.name[3:]} = ${ext.enable},
 150 %endfor
 151 };
 152
 153 uint32_t
 154 anv_physical_device_api_version(struct anv_physical_device *device)
 155 {
 156     uint32_t version = 0;
 157
 158     uint32_t override = vk_get_version_override();
 159     if (override)
 160         return MIN2(override, MAX_API_VERSION);
 161
 162 %for version in API_VERSIONS:
 163     if (!(${version.enable}))
 164         return version;
 165     version = ${version.max_patch_version.c_vk_version()};
 166
 167 %endfor
 168     return version;
 169 }
 170
 171 const VkExtensionProperties anv_device_extensions[ANV_DEVICE_EXTENSION_COUNT] = {
 172 %for ext in device_extensions:
 173    {"${ext.name}", ${ext.ext_version}},
 174 %endfor
 175 };
 176
 177 void
 178 anv_physical_device_get_supported_extensions(const struct anv_physical_device *device,
 179                                              struct anv_device_extension_table *extensions)
 180 {
 181    *extensions = (struct anv_device_extension_table) {
 182 %for ext in device_extensions:
 183       .${ext.name[3:]} = ${ext.enable},
 184 %endfor
 185    };
 186 }
 187 """)
 188
 189 if __name__ == '__main__':
 190     parser = argparse.ArgumentParser()
 191     parser.add_argument('--out-c', help='Output C file.')
 192     parser.add_argument('--out-h', help='Output H file.')
 193     parser.add_argument('--xml',
 194                         help='Vulkan API XML file.',
 195                         required=True,
 196                         action='append',
 197                         dest='xml_files')
 198     args = parser.parse_args()
 199
 200     for filename in args.xml_files:
 201         _init_exts_from_xml(filename)
 202
 203     for ext in EXTENSIONS:
 204         assert ext.type == 'instance' or ext.type == 'device'
 205
 206     template_env = {
 207         'API_VERSIONS': API_VERSIONS,
 208         'MAX_API_VERSION': MAX_API_VERSION,
 209         'instance_extensions': [e for e in EXTENSIONS if e.type == 'instance'],
 210         'device_extensions': [e for e in EXTENSIONS if e.type == 'device'],
 211     }
 212
 213     if args.out_h:
 214         with open(args.out_h, 'w') as f:
 215             f.write(_TEMPLATE_H.render(**template_env))
 216
 217     if args.out_c:
 218         with open(args.out_c, 'w') as f:
 219             f.write(_TEMPLATE_C.render(**template_env))