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         # Workaround for VK_ANDROID_native_buffer. Its <extension> element in
  49         # vk.xml lists it as supported="disabled" and provides only a stub
  50         # definition.  Its <extension> element in Mesa's custom
  51         # vk_android_native_buffer.xml, though, lists it as
  52         # supported='android-vendor' and fully defines the extension. We want
  53         # to skip the <extension> element in vk.xml.
  54         if ext_elem.attrib['supported'] == 'disabled':
  55             assert ext_name == 'VK_ANDROID_native_buffer'
  56             continue
  57
  58         ext = ext_name_map[ext_name]
  59         ext.type = ext_elem.attrib['type']
  60
  61 _TEMPLATE_H = Template(COPYRIGHT + """
  62
  63 #ifndef ANV_EXTENSIONS_H
  64 #define ANV_EXTENSIONS_H
  65
  66 #include "stdbool.h"
  67
  68 #define ANV_INSTANCE_EXTENSION_COUNT ${len(instance_extensions)}
  69
  70 extern const VkExtensionProperties anv_instance_extensions[];
  71
  72 struct anv_instance_extension_table {
  73    union {
  74       bool extensions[ANV_INSTANCE_EXTENSION_COUNT];
  75       struct {
  76 %for ext in instance_extensions:
  77          bool ${ext.name[3:]};
  78 %endfor
  79       };
  80    };
  81 };
  82
  83
  84 #define ANV_DEVICE_EXTENSION_COUNT ${len(device_extensions)}
  85
  86 extern const VkExtensionProperties anv_device_extensions[];
  87
  88 struct anv_device_extension_table {
  89    union {
  90       bool extensions[ANV_DEVICE_EXTENSION_COUNT];
  91       struct {
  92 %for ext in device_extensions:
  93         bool ${ext.name[3:]};
  94 %endfor
  95       };
  96    };
  97 };
  98
  99 #endif /* ANV_EXTENSIONS_H */
 100 """)
 101
 102 _TEMPLATE_C = Template(COPYRIGHT + """
 103 #include "anv_private.h"
 104
 105 #include "vk_util.h"
 106
 107 /* Convert the VK_USE_PLATFORM_* defines to booleans */
 108 %for platform in ['ANDROID', 'WAYLAND', 'XCB', 'XLIB']:
 109 #ifdef VK_USE_PLATFORM_${platform}_KHR
 110 #   undef VK_USE_PLATFORM_${platform}_KHR
 111 #   define VK_USE_PLATFORM_${platform}_KHR true
 112 #else
 113 #   define VK_USE_PLATFORM_${platform}_KHR false
 114 #endif
 115 %endfor
 116
 117 /* And ANDROID too */
 118 #ifdef ANDROID
 119 #   undef ANDROID
 120 #   define ANDROID true
 121 #else
 122 #   define ANDROID false
 123 #endif
 124
 125 #define ANV_HAS_SURFACE (VK_USE_PLATFORM_WAYLAND_KHR || \\
 126                          VK_USE_PLATFORM_XCB_KHR || \\
 127                          VK_USE_PLATFORM_XLIB_KHR)
 128
 129 const VkExtensionProperties anv_instance_extensions[ANV_INSTANCE_EXTENSION_COUNT] = {
 130 %for ext in instance_extensions:
 131    {"${ext.name}", ${ext.ext_version}},
 132 %endfor
 133 };
 134
 135 bool
 136 anv_instance_extension_supported(const char *name)
 137 {
 138 %for ext in instance_extensions:
 139     if (strcmp(name, "${ext.name}") == 0)
 140         return ${ext.enable};
 141 %endfor
 142     return false;
 143 }
 144
 145 VkResult anv_EnumerateInstanceExtensionProperties(
 146     const char*                                 pLayerName,
 147     uint32_t*                                   pPropertyCount,
 148     VkExtensionProperties*                      pProperties)
 149 {
 150     VK_OUTARRAY_MAKE(out, pProperties, pPropertyCount);
 151
 152 %for ext in instance_extensions:
 153     if (${ext.enable}) {
 154         vk_outarray_append(&out, prop) {
 155             *prop = (VkExtensionProperties) {
 156                 .extensionName = "${ext.name}",
 157                 .specVersion = ${ext.ext_version},
 158             };
 159         }
 160     }
 161 %endfor
 162
 163     return vk_outarray_status(&out);
 164 }
 165
 166 uint32_t
 167 anv_physical_device_api_version(struct anv_physical_device *dev)
 168 {
 169     return ${MAX_API_VERSION.c_vk_version()};
 170 }
 171
 172 const VkExtensionProperties anv_device_extensions[ANV_DEVICE_EXTENSION_COUNT] = {
 173 %for ext in device_extensions:
 174    {"${ext.name}", ${ext.ext_version}},
 175 %endfor
 176 };
 177
 178 bool
 179 anv_physical_device_extension_supported(struct anv_physical_device *device,
 180                                         const char *name)
 181 {
 182 %for ext in device_extensions:
 183     if (strcmp(name, "${ext.name}") == 0)
 184         return ${ext.enable};
 185 %endfor
 186     return false;
 187 }
 188
 189 VkResult anv_EnumerateDeviceExtensionProperties(
 190     VkPhysicalDevice                            physicalDevice,
 191     const char*                                 pLayerName,
 192     uint32_t*                                   pPropertyCount,
 193     VkExtensionProperties*                      pProperties)
 194 {
 195     ANV_FROM_HANDLE(anv_physical_device, device, physicalDevice);
 196     VK_OUTARRAY_MAKE(out, pProperties, pPropertyCount);
 197     (void)device;
 198
 199 %for ext in device_extensions:
 200     if (${ext.enable}) {
 201         vk_outarray_append(&out, prop) {
 202             *prop = (VkExtensionProperties) {
 203                 .extensionName = "${ext.name}",
 204                 .specVersion = ${ext.ext_version},
 205             };
 206         }
 207     }
 208 %endfor
 209
 210     return vk_outarray_status(&out);
 211 }
 212 """)
 213
 214 if __name__ == '__main__':
 215     parser = argparse.ArgumentParser()
 216     parser.add_argument('--out-c', help='Output C file.')
 217     parser.add_argument('--out-h', help='Output H file.')
 218     parser.add_argument('--xml',
 219                         help='Vulkan API XML file.',
 220                         required=True,
 221                         action='append',
 222                         dest='xml_files')
 223     args = parser.parse_args()
 224
 225     for filename in args.xml_files:
 226         _init_exts_from_xml(filename)
 227
 228     for ext in EXTENSIONS:
 229         assert ext.type == 'instance' or ext.type == 'device'
 230
 231     template_env = {
 232         'MAX_API_VERSION': MAX_API_VERSION,
 233         'instance_extensions': [e for e in EXTENSIONS if e.type == 'instance'],
 234         'device_extensions': [e for e in EXTENSIONS if e.type == 'device'],
 235     }
 236
 237     if args.out_h:
 238         with open(args.out_h, 'w') as f:
 239             f.write(_TEMPLATE_H.render(**template_env))
 240
 241     if args.out_c:
 242         with open(args.out_c, 'w') as f:
 243             f.write(_TEMPLATE_C.render(**template_env))