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 extern const struct anv_instance_extension_table anv_instance_extensions_supported;
  84
  85
  86 #define ANV_DEVICE_EXTENSION_COUNT ${len(device_extensions)}
  87
  88 extern const VkExtensionProperties anv_device_extensions[];
  89
  90 struct anv_device_extension_table {
  91    union {
  92       bool extensions[ANV_DEVICE_EXTENSION_COUNT];
  93       struct {
  94 %for ext in device_extensions:
  95         bool ${ext.name[3:]};
  96 %endfor
  97       };
  98    };
  99 };
 100
 101 #endif /* ANV_EXTENSIONS_H */
 102 """)
 103
 104 _TEMPLATE_C = Template(COPYRIGHT + """
 105 #include "anv_private.h"
 106
 107 #include "vk_util.h"
 108
 109 /* Convert the VK_USE_PLATFORM_* defines to booleans */
 110 %for platform in ['ANDROID', 'WAYLAND', 'XCB', 'XLIB']:
 111 #ifdef VK_USE_PLATFORM_${platform}_KHR
 112 #   undef VK_USE_PLATFORM_${platform}_KHR
 113 #   define VK_USE_PLATFORM_${platform}_KHR true
 114 #else
 115 #   define VK_USE_PLATFORM_${platform}_KHR false
 116 #endif
 117 %endfor
 118
 119 /* And ANDROID too */
 120 #ifdef ANDROID
 121 #   undef ANDROID
 122 #   define ANDROID true
 123 #else
 124 #   define ANDROID false
 125 #endif
 126
 127 #define ANV_HAS_SURFACE (VK_USE_PLATFORM_WAYLAND_KHR || \\
 128                          VK_USE_PLATFORM_XCB_KHR || \\
 129                          VK_USE_PLATFORM_XLIB_KHR)
 130
 131 const VkExtensionProperties anv_instance_extensions[ANV_INSTANCE_EXTENSION_COUNT] = {
 132 %for ext in instance_extensions:
 133    {"${ext.name}", ${ext.ext_version}},
 134 %endfor
 135 };
 136
 137 const struct anv_instance_extension_table anv_instance_extensions_supported = {
 138 %for ext in instance_extensions:
 139    .${ext.name[3:]} = ${ext.enable},
 140 %endfor
 141 };
 142
 143 uint32_t
 144 anv_physical_device_api_version(struct anv_physical_device *dev)
 145 {
 146     return ${MAX_API_VERSION.c_vk_version()};
 147 }
 148
 149 const VkExtensionProperties anv_device_extensions[ANV_DEVICE_EXTENSION_COUNT] = {
 150 %for ext in device_extensions:
 151    {"${ext.name}", ${ext.ext_version}},
 152 %endfor
 153 };
 154
 155 bool
 156 anv_physical_device_extension_supported(struct anv_physical_device *device,
 157                                         const char *name)
 158 {
 159 %for ext in device_extensions:
 160     if (strcmp(name, "${ext.name}") == 0)
 161         return ${ext.enable};
 162 %endfor
 163     return false;
 164 }
 165
 166 VkResult anv_EnumerateDeviceExtensionProperties(
 167     VkPhysicalDevice                            physicalDevice,
 168     const char*                                 pLayerName,
 169     uint32_t*                                   pPropertyCount,
 170     VkExtensionProperties*                      pProperties)
 171 {
 172     ANV_FROM_HANDLE(anv_physical_device, device, physicalDevice);
 173     VK_OUTARRAY_MAKE(out, pProperties, pPropertyCount);
 174     (void)device;
 175
 176 %for ext in device_extensions:
 177     if (${ext.enable}) {
 178         vk_outarray_append(&out, prop) {
 179             *prop = (VkExtensionProperties) {
 180                 .extensionName = "${ext.name}",
 181                 .specVersion = ${ext.ext_version},
 182             };
 183         }
 184     }
 185 %endfor
 186
 187     return vk_outarray_status(&out);
 188 }
 189 """)
 190
 191 if __name__ == '__main__':
 192     parser = argparse.ArgumentParser()
 193     parser.add_argument('--out-c', help='Output C file.')
 194     parser.add_argument('--out-h', help='Output H file.')
 195     parser.add_argument('--xml',
 196                         help='Vulkan API XML file.',
 197                         required=True,
 198                         action='append',
 199                         dest='xml_files')
 200     args = parser.parse_args()
 201
 202     for filename in args.xml_files:
 203         _init_exts_from_xml(filename)
 204
 205     for ext in EXTENSIONS:
 206         assert ext.type == 'instance' or ext.type == 'device'
 207
 208     template_env = {
 209         'MAX_API_VERSION': MAX_API_VERSION,
 210         'instance_extensions': [e for e in EXTENSIONS if e.type == 'instance'],
 211         'device_extensions': [e for e in EXTENSIONS if e.type == 'device'],
 212     }
 213
 214     if args.out_h:
 215         with open(args.out_h, 'w') as f:
 216             f.write(_TEMPLATE_H.render(**template_env))
 217
 218     if args.out_c:
 219         with open(args.out_c, 'w') as f:
 220             f.write(_TEMPLATE_C.render(**template_env))