src/intel/vulkan/anv_extensions.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 class Extension:
  33     def __init__(self, name, ext_version, enable):
  34         self.name = name
  35         self.ext_version = int(ext_version)
  36         if enable is True:
  37             self.enable = 'true';
  38         elif enable is False:
  39             self.enable = 'false';
  40         else:
  41             self.enable = enable;
  42
  43 EXTENSIONS = [
  44     Extension('VK_KHR_dedicated_allocation',              1, True),
  45     Extension('VK_KHR_descriptor_update_template',        1, True),
  46     Extension('VK_KHR_external_memory',                   1, True),
  47     Extension('VK_KHR_external_memory_capabilities',      1, True),
  48     Extension('VK_KHR_external_memory_fd',                1, True),
  49     Extension('VK_KHR_get_memory_requirements2',          1, True),
  50     Extension('VK_KHR_get_physical_device_properties2',   1, True),
  51     Extension('VK_KHR_get_surface_capabilities2',         1, True),
  52     Extension('VK_KHR_incremental_present',               1, True),
  53     Extension('VK_KHR_maintenance1',                      1, True),
  54     Extension('VK_KHR_push_descriptor',                   1, True),
  55     Extension('VK_KHR_sampler_mirror_clamp_to_edge',      1, True),
  56     Extension('VK_KHR_shader_draw_parameters',            1, True),
  57     Extension('VK_KHR_storage_buffer_storage_class',      1, True),
  58     Extension('VK_KHR_surface',                          25, True),
  59     Extension('VK_KHR_swapchain',                        68, True),
  60     Extension('VK_KHR_variable_pointers',                 1, True),
  61     Extension('VK_KHR_wayland_surface',                   6, 'VK_USE_PLATFORM_WAYLAND_KHR'),
  62     Extension('VK_KHR_xcb_surface',                       6, 'VK_USE_PLATFORM_XCB_KHR'),
  63     Extension('VK_KHR_xlib_surface',                      6, 'VK_USE_PLATFORM_XLIB_KHR'),
  64     Extension('VK_KHX_multiview',                         1, True),
  65 ]
  66
  67 def _init_exts_from_xml(xml):
  68     """ Walk the Vulkan XML and fill out extra extension information. """
  69
  70     xml = et.parse(xml)
  71
  72     ext_name_map = {}
  73     for ext in EXTENSIONS:
  74         ext_name_map[ext.name] = ext
  75
  76     for ext_elem in xml.findall('.extensions/extension'):
  77         ext_name = ext_elem.attrib['name']
  78         if ext_name not in ext_name_map:
  79             continue
  80         ext = ext_name_map[ext_name]
  81
  82         ext.type = ext_elem.attrib['type']
  83
  84     for ext in EXTENSIONS:
  85         assert ext.type == 'instance' or ext.type == 'device'
  86
  87 _TEMPLATE = Template(COPYRIGHT + """
  88 #include "anv_private.h"
  89
  90 #include "vk_util.h"
  91
  92 /* Convert the VK_USE_PLATFORM_* defines to booleans */
  93 %for platform in ['ANDROID', 'WAYLAND', 'XCB', 'XLIB']:
  94 #ifdef VK_USE_PLATFORM_${platform}_KHR
  95 #   undef VK_USE_PLATFORM_${platform}_KHR
  96 #   define VK_USE_PLATFORM_${platform}_KHR true
  97 #else
  98 #   define VK_USE_PLATFORM_${platform}_KHR false
  99 #endif
 100 %endfor
 101
 102 bool
 103 anv_instance_extension_supported(const char *name)
 104 {
 105 %for ext in instance_extensions:
 106     if (strcmp(name, "${ext.name}") == 0)
 107         return ${ext.enable};
 108 %endfor
 109     return false;
 110 }
 111
 112 VkResult anv_EnumerateInstanceExtensionProperties(
 113     const char*                                 pLayerName,
 114     uint32_t*                                   pPropertyCount,
 115     VkExtensionProperties*                      pProperties)
 116 {
 117     VK_OUTARRAY_MAKE(out, pProperties, pPropertyCount);
 118
 119 %for ext in instance_extensions:
 120     if (${ext.enable}) {
 121         vk_outarray_append(&out, prop) {
 122             *prop = (VkExtensionProperties) {
 123                 .extensionName = "${ext.name}",
 124                 .specVersion = ${ext.ext_version},
 125             };
 126         }
 127     }
 128 %endfor
 129
 130     return vk_outarray_status(&out);
 131 }
 132
 133 bool
 134 anv_physical_device_extension_supported(struct anv_physical_device *device,
 135                                         const char *name)
 136 {
 137 %for ext in device_extensions:
 138     if (strcmp(name, "${ext.name}") == 0)
 139         return ${ext.enable};
 140 %endfor
 141     return false;
 142 }
 143
 144 VkResult anv_EnumerateDeviceExtensionProperties(
 145     VkPhysicalDevice                            physicalDevice,
 146     const char*                                 pLayerName,
 147     uint32_t*                                   pPropertyCount,
 148     VkExtensionProperties*                      pProperties)
 149 {
 150     ANV_FROM_HANDLE(anv_physical_device, device, physicalDevice);
 151     VK_OUTARRAY_MAKE(out, pProperties, pPropertyCount);
 152     (void)device;
 153
 154 %for ext in device_extensions:
 155     if (${ext.enable}) {
 156         vk_outarray_append(&out, prop) {
 157             *prop = (VkExtensionProperties) {
 158                 .extensionName = "${ext.name}",
 159                 .specVersion = ${ext.ext_version},
 160             };
 161         }
 162     }
 163 %endfor
 164
 165     return vk_outarray_status(&out);
 166 }
 167 """)
 168
 169 if __name__ == '__main__':
 170     parser = argparse.ArgumentParser()
 171     parser.add_argument('--out', help='Output C file.', required=True)
 172     parser.add_argument('--xml', help='Vulkan API XML file.', required=True)
 173     args = parser.parse_args()
 174
 175     _init_exts_from_xml(args.xml)
 176
 177     template_env = {
 178         'instance_extensions': [e for e in EXTENSIONS if e.type == 'instance'],
 179         'device_extensions': [e for e in EXTENSIONS if e.type == 'device'],
 180     }
 181
 182     with open(args.out, 'w') as f:
 183         f.write(_TEMPLATE.render(**template_env))