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import argparse
import copy
import re
import xml.etree.ElementTree as et
def _bool_to_c_expr(b):
if b is True:
return 'true'
if b is False:
return 'false'
return b
class Extension:
def __init__(self, name, ext_version, enable):
self.name = name
self.ext_version = int(ext_version)
self.enable = _bool_to_c_expr(enable)
def c_android_condition(self):
# if it's an EXT or vendor extension, it's allowed
if not self.name.startswith(ANDROID_EXTENSION_WHITELIST_PREFIXES):
return 'true'
allowed_version = ALLOWED_ANDROID_VERSION.get(self.name, None)
if allowed_version is None:
return 'false'
return 'ANDROID_API_LEVEL >= %d' % (allowed_version)
class ApiVersion:
def __init__(self, version, enable):
self.version = version
self.enable = _bool_to_c_expr(enable)
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):
patch = self.patch if self.patch is not None else 0
ver_list = [str(self.major), str(self.minor), str(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 __gt__(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() > other.__int_ver()
# Sort the extension list the way we expect: KHR, then EXT, then vendors
# alphabetically. For digits, read them as a whole number sort that.
# eg.: VK_KHR_8bit_storage < VK_KHR_16bit_storage < VK_EXT_acquire_xlib_display
def extension_order(ext):
order = []
for substring in re.split('(KHR|EXT|[0-9]+)', ext.name):
if substring == 'KHR':
order.append(1)
if substring == 'EXT':
order.append(2)
elif substring.isdigit():
order.append(int(substring))
else:
order.append(substring)
return order
def get_all_exts_from_xml(xml):
""" Get a list of all Vulkan extensions. """
xml = et.parse(xml)
extensions = []
for ext_elem in xml.findall('.extensions/extension'):
supported = ext_elem.attrib['supported'] == 'vulkan'
name = ext_elem.attrib['name']
if not supported and name != 'VK_ANDROID_native_buffer':
continue
version = None
for enum_elem in ext_elem.findall('.require/enum'):
if enum_elem.attrib['name'].endswith('_SPEC_VERSION'):
# Skip alias SPEC_VERSIONs
if 'value' in enum_elem.attrib:
assert version is None
version = int(enum_elem.attrib['value'])
ext = Extension(name, version, True)
extensions.append(Extension(name, version, True))
return sorted(extensions, key=extension_order)
def init_exts_from_xml(xml, extensions, platform_defines):
""" 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
# KHR_display is missing from the list.
platform_defines.append('VK_USE_PLATFORM_DISPLAY_KHR')
for platform in xml.findall('./platforms/platform'):
platform_defines.append(platform.attrib['protect'])
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']
# Mapping between extension name and the android version in which the extension
# was whitelisted in Android CTS.
ALLOWED_ANDROID_VERSION = {
# Allowed Instance KHR Extensions
"VK_KHR_surface": 26,
"VK_KHR_display": 26,
"VK_KHR_android_surface": 26,
"VK_KHR_mir_surface": 26,
"VK_KHR_wayland_surface": 26,
"VK_KHR_win32_surface": 26,
"VK_KHR_xcb_surface": 26,
"VK_KHR_xlib_surface": 26,
"VK_KHR_get_physical_device_properties2": 26,
"VK_KHR_get_surface_capabilities2": 26,
"VK_KHR_external_memory_capabilities": 28,
"VK_KHR_external_semaphore_capabilities": 28,
"VK_KHR_external_fence_capabilities": 28,
"VK_KHR_device_group_creation": 28,
"VK_KHR_get_display_properties2": 29,
"VK_KHR_surface_protected_capabilities": 29,
# Allowed Device KHR Extensions
"VK_KHR_swapchain": 26,
"VK_KHR_display_swapchain": 26,
"VK_KHR_sampler_mirror_clamp_to_edge": 26,
"VK_KHR_shader_draw_parameters": 26,
"VK_KHR_shader_float_controls": 29,
"VK_KHR_shader_float16_int8": 29,
"VK_KHR_maintenance1": 26,
"VK_KHR_push_descriptor": 26,
"VK_KHR_descriptor_update_template": 26,
"VK_KHR_incremental_present": 26,
"VK_KHR_shared_presentable_image": 26,
"VK_KHR_storage_buffer_storage_class": 28,
"VK_KHR_8bit_storage": 29,
"VK_KHR_16bit_storage": 28,
"VK_KHR_get_memory_requirements2": 28,
"VK_KHR_external_memory": 28,
"VK_KHR_external_memory_fd": 28,
"VK_KHR_external_memory_win32": 28,
"VK_KHR_external_semaphore": 28,
"VK_KHR_external_semaphore_fd": 28,
"VK_KHR_external_semaphore_win32": 28,
"VK_KHR_external_fence": 28,
"VK_KHR_external_fence_fd": 28,
"VK_KHR_external_fence_win32": 28,
"VK_KHR_win32_keyed_mutex": 28,
"VK_KHR_dedicated_allocation": 28,
"VK_KHR_variable_pointers": 28,
"VK_KHR_relaxed_block_layout": 28,
"VK_KHR_bind_memory2": 28,
"VK_KHR_maintenance2": 28,
"VK_KHR_image_format_list": 28,
"VK_KHR_sampler_ycbcr_conversion": 28,
"VK_KHR_device_group": 28,
"VK_KHR_multiview": 28,
"VK_KHR_maintenance3": 28,
"VK_KHR_draw_indirect_count": 28,
"VK_KHR_create_renderpass2": 28,
"VK_KHR_depth_stencil_resolve": 29,
"VK_KHR_driver_properties": 28,
"VK_KHR_swapchain_mutable_format": 29,
"VK_KHR_shader_atomic_int64": 29,
"VK_KHR_vulkan_memory_model": 29,
"VK_KHR_performance_query": 30,
"VK_GOOGLE_display_timing": 26,
"VK_ANDROID_native_buffer": 26,
"VK_ANDROID_external_memory_android_hardware_buffer": 28,
}
# Extensions with these prefixes are checked in Android CTS, and thus must be
# whitelisted per the preceding dict.
ANDROID_EXTENSION_WHITELIST_PREFIXES = (
"VK_KHX",
"VK_KHR",
"VK_GOOGLE",
"VK_ANDROID"
)
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