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COPYRIGHT = """\
/*
* Copyright 2017 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
"""
import argparse
import copy
import re
import xml.etree.cElementTree as et
from mako.template import Template
MAX_API_VERSION = '1.0.57'
class Extension:
def __init__(self, name, ext_version, enable):
self.name = name
self.ext_version = int(ext_version)
if enable is True:
self.enable = 'true';
elif enable is False:
self.enable = 'false';
else:
self.enable = enable;
EXTENSIONS = [
Extension('VK_KHR_dedicated_allocation', 1, True),
Extension('VK_KHR_descriptor_update_template', 1, True),
Extension('VK_KHR_external_memory', 1, True),
Extension('VK_KHR_external_memory_capabilities', 1, True),
Extension('VK_KHR_external_memory_fd', 1, True),
Extension('VK_KHR_external_semaphore', 1, False),
Extension('VK_KHR_external_semaphore_capabilities', 1, False),
Extension('VK_KHR_external_semaphore_fd', 1, False),
Extension('VK_KHR_get_memory_requirements2', 1, True),
Extension('VK_KHR_get_physical_device_properties2', 1, True),
Extension('VK_KHR_get_surface_capabilities2', 1, True),
Extension('VK_KHR_incremental_present', 1, True),
Extension('VK_KHR_maintenance1', 1, True),
Extension('VK_KHR_push_descriptor', 1, True),
Extension('VK_KHR_relaxed_block_layout', 1, True),
Extension('VK_KHR_sampler_mirror_clamp_to_edge', 1, True),
Extension('VK_KHR_shader_draw_parameters', 1, True),
Extension('VK_KHR_storage_buffer_storage_class', 1, True),
Extension('VK_KHR_surface', 25, True),
Extension('VK_KHR_swapchain', 68, True),
Extension('VK_KHR_variable_pointers', 1, True),
Extension('VK_KHR_wayland_surface', 6, 'VK_USE_PLATFORM_WAYLAND_KHR'),
Extension('VK_KHR_xcb_surface', 6, 'VK_USE_PLATFORM_XCB_KHR'),
Extension('VK_KHR_xlib_surface', 6, 'VK_USE_PLATFORM_XLIB_KHR'),
Extension('VK_KHX_multiview', 1, True),
]
class VkVersion:
def __init__(self, string):
split = string.split('.')
self.major = int(split[0])
self.minor = int(split[1])
if len(split) > 2:
assert len(split) == 3
self.patch = int(split[2])
else:
self.patch = None
# Sanity check. The range bits are required by the definition of the
# VK_MAKE_VERSION macro
assert self.major < 1024 and self.minor < 1024
assert self.patch is None or self.patch < 4096
assert(str(self) == string)
def __str__(self):
ver_list = [str(self.major), str(self.minor)]
if self.patch is not None:
ver_list.append(str(self.patch))
return '.'.join(ver_list)
def c_vk_version(self):
ver_list = [str(self.major), str(self.minor), str(self.patch)]
return 'VK_MAKE_VERSION(' + ', '.join(ver_list) + ')'
def __int_ver(self):
# This is just an expansion of VK_VERSION
patch = self.patch if self.patch is not None else 0
return (self.major << 22) | (self.minor << 12) | patch
def __cmp__(self, other):
# If only one of them has a patch version, "ignore" it by making
# other's patch version match self.
if (self.patch is None) != (other.patch is None):
other = copy.copy(other)
other.patch = self.patch
return self.__int_ver().__cmp__(other.__int_ver())
MAX_API_VERSION = VkVersion(MAX_API_VERSION)
def _init_exts_from_xml(xml):
""" Walk the Vulkan XML and fill out extra extension information. """
xml = et.parse(xml)
ext_name_map = {}
for ext in EXTENSIONS:
ext_name_map[ext.name] = ext
for ext_elem in xml.findall('.extensions/extension'):
ext_name = ext_elem.attrib['name']
if ext_name not in ext_name_map:
continue
ext = ext_name_map[ext_name]
ext.type = ext_elem.attrib['type']
for ext in EXTENSIONS:
assert ext.type == 'instance' or ext.type == 'device'
_TEMPLATE = Template(COPYRIGHT + """
#include "anv_private.h"
#include "vk_util.h"
/* Convert the VK_USE_PLATFORM_* defines to booleans */
%for platform in ['ANDROID', 'WAYLAND', 'XCB', 'XLIB']:
#ifdef VK_USE_PLATFORM_${platform}_KHR
# undef VK_USE_PLATFORM_${platform}_KHR
# define VK_USE_PLATFORM_${platform}_KHR true
#else
# define VK_USE_PLATFORM_${platform}_KHR false
#endif
%endfor
bool
anv_instance_extension_supported(const char *name)
{
%for ext in instance_extensions:
if (strcmp(name, "${ext.name}") == 0)
return ${ext.enable};
%endfor
return false;
}
VkResult anv_EnumerateInstanceExtensionProperties(
const char* pLayerName,
uint32_t* pPropertyCount,
VkExtensionProperties* pProperties)
{
VK_OUTARRAY_MAKE(out, pProperties, pPropertyCount);
%for ext in instance_extensions:
if (${ext.enable}) {
vk_outarray_append(&out, prop) {
*prop = (VkExtensionProperties) {
.extensionName = "${ext.name}",
.specVersion = ${ext.ext_version},
};
}
}
%endfor
return vk_outarray_status(&out);
}
uint32_t
anv_physical_device_api_version(struct anv_physical_device *dev)
{
return ${MAX_API_VERSION.c_vk_version()};
}
bool
anv_physical_device_extension_supported(struct anv_physical_device *device,
const char *name)
{
%for ext in device_extensions:
if (strcmp(name, "${ext.name}") == 0)
return ${ext.enable};
%endfor
return false;
}
VkResult anv_EnumerateDeviceExtensionProperties(
VkPhysicalDevice physicalDevice,
const char* pLayerName,
uint32_t* pPropertyCount,
VkExtensionProperties* pProperties)
{
ANV_FROM_HANDLE(anv_physical_device, device, physicalDevice);
VK_OUTARRAY_MAKE(out, pProperties, pPropertyCount);
(void)device;
%for ext in device_extensions:
if (${ext.enable}) {
vk_outarray_append(&out, prop) {
*prop = (VkExtensionProperties) {
.extensionName = "${ext.name}",
.specVersion = ${ext.ext_version},
};
}
}
%endfor
return vk_outarray_status(&out);
}
""")
if __name__ == '__main__':
parser = argparse.ArgumentParser()
parser.add_argument('--out', help='Output C file.', required=True)
parser.add_argument('--xml', help='Vulkan API XML file.', required=True)
args = parser.parse_args()
_init_exts_from_xml(args.xml)
template_env = {
'MAX_API_VERSION': MAX_API_VERSION,
'instance_extensions': [e for e in EXTENSIONS if e.type == 'instance'],
'device_extensions': [e for e in EXTENSIONS if e.type == 'device'],
}
with open(args.out, 'w') as f:
f.write(_TEMPLATE.render(**template_env))
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