mesa/src/gallium/drivers/zink/zink_extensions.py

342 lines
13 KiB
Python

# Copyright © 2020 Hoe Hao Cheng
#
# 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, sublicense,
# 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 NONINFRINGEMENT. IN NO EVENT SHALL
# THE AUTHORS OR COPYRIGHT HOLDERS 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 re
from xml.etree import ElementTree
from typing import List,Tuple
class Version:
device_version = (1,0,0)
struct_version = (1,0)
def __init__(self, version, struct=()):
self.device_version = version
if not struct:
self.struct_version = (version[0], version[1])
else:
self.struct_version = struct
# e.g. "VK_MAKE_VERSION(1,2,0)"
def version(self):
return ("VK_MAKE_VERSION("
+ str(self.device_version[0])
+ ","
+ str(self.device_version[1])
+ ","
+ str(self.device_version[2])
+ ")")
# e.g. "10"
def struct(self):
return (str(self.struct_version[0])+str(self.struct_version[1]))
# the sType of the extension's struct
# e.g. VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_TRANSFORM_FEEDBACK_FEATURES_EXT
# for VK_EXT_transform_feedback and struct="FEATURES"
def stype(self, struct: str):
return ("VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_VULKAN_"
+ str(self.struct_version[0]) + "_" + str(self.struct_version[1])
+ '_' + struct)
class Extension:
name = None
alias = None
is_required = False
is_nonstandard = False
enable_conds = None
core_since = None
# these are specific to zink_device_info.py:
has_properties = False
has_features = False
guard = False
features_promoted = False
properties_promoted = False
# these are specific to zink_instance.py:
platform_guard = None
def __init__(self, name, alias="", required=False, nonstandard=False,
properties=False, features=False, conditions=None, guard=False):
self.name = name
self.alias = alias
self.is_required = required
self.is_nonstandard = nonstandard
self.has_properties = properties
self.has_features = features
self.enable_conds = conditions
self.guard = guard
if alias == "" and (properties == True or features == True):
raise RuntimeError("alias must be available when properties and/or features are used")
# e.g.: "VK_EXT_robustness2" -> "robustness2"
def pure_name(self):
return '_'.join(self.name.split('_')[2:])
# e.g.: "VK_EXT_robustness2" -> "EXT_robustness2"
def name_with_vendor(self):
return self.name[3:]
# e.g.: "VK_EXT_robustness2" -> "Robustness2"
def name_in_camel_case(self):
return "".join([x.title() for x in self.name.split('_')[2:]])
# e.g.: "VK_EXT_robustness2" -> "VK_EXT_ROBUSTNESS_2"
def name_in_snake_uppercase(self):
def replace(original):
# we do not split the types into two, e.g. INT_32
match_types = re.match(".*(int|float)(8|16|32|64)$", original)
# do not match win32
match_os = re.match(".*win32$", original)
# try to match extensions with alphanumeric names, like robustness2
match_alphanumeric = re.match("([a-z]+)(\d+)", original)
if match_types is not None or match_os is not None:
return original.upper()
if match_alphanumeric is not None:
return (match_alphanumeric[1].upper()
+ '_'
+ match_alphanumeric[2])
return original.upper()
replaced = list(map(replace, self.name.split('_')))
return '_'.join(replaced)
# e.g.: "VK_EXT_robustness2" -> "ROBUSTNESS_2"
def pure_name_in_snake_uppercase(self):
return '_'.join(self.name_in_snake_uppercase().split('_')[2:])
# e.g.: "VK_EXT_robustness2" -> "VK_EXT_ROBUSTNESS_2_EXTENSION_NAME"
def extension_name(self):
return self.name_in_snake_uppercase() + "_EXTENSION_NAME"
# generate a C string literal for the extension
def extension_name_literal(self):
return '"' + self.name + '"'
# get the field in zink_device_info that refers to the extension's
# feature/properties struct
# e.g. rb2_<suffix> for VK_EXT_robustness2
def field(self, suffix: str):
return self.alias + '_' + suffix
def physical_device_struct(self, struct: str):
if self.name_in_camel_case().endswith(struct):
struct = ""
return ("VkPhysicalDevice"
+ self.name_in_camel_case()
+ struct
+ self.vendor())
# the sType of the extension's struct
# e.g. VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_TRANSFORM_FEEDBACK_FEATURES_EXT
# for VK_EXT_transform_feedback and struct="FEATURES"
def stype(self, struct: str):
return ("VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_"
+ self.pure_name_in_snake_uppercase()
+ '_' + struct + '_'
+ self.vendor())
# e.g. EXT in VK_EXT_robustness2
def vendor(self):
return self.name.split('_')[1]
# Type aliases
Layer = Extension
class ExtensionRegistryEntry:
# type of extension - right now it's either "instance" or "device"
ext_type = ""
# the version in which the extension is promoted to core VK
promoted_in = None
# functions added by the extension are referred to as "commands" in the registry
device_commands = None
pdevice_commands = None
instance_commands = None
constants = None
features_struct = None
features_fields = None
features_promoted = False
properties_struct = None
properties_fields = None
properties_promoted = False
# some instance extensions are locked behind certain platforms
platform_guard = ""
class ExtensionRegistry:
# key = extension name, value = registry entry
registry = dict()
def __init__(self, vkxml_path: str):
vkxml = ElementTree.parse(vkxml_path)
commands_type = dict()
command_aliases = dict()
platform_guards = dict()
struct_aliases = dict()
for cmd in vkxml.findall("commands/command"):
name = cmd.find("./proto/name")
if name is not None and name.text:
commands_type[name.text] = cmd.find("./param/type").text
elif cmd.get("name") is not None:
command_aliases[cmd.get("name")] = cmd.get("alias")
for typ in vkxml.findall("types/type"):
if typ.get("category") != "struct":
continue
name = typ.get("name")
alias = typ.get("alias")
if name and alias:
struct_aliases[name] = alias
for (cmd, alias) in command_aliases.items():
commands_type[cmd] = commands_type[alias]
for platform in vkxml.findall("platforms/platform"):
name = platform.get("name")
guard = platform.get("protect")
platform_guards[name] = guard
for ext in vkxml.findall("extensions/extension"):
# Reserved extensions are marked with `supported="disabled"`
if ext.get("supported") == "disabled":
continue
name = ext.attrib["name"]
entry = ExtensionRegistryEntry()
entry.ext_type = ext.attrib["type"]
entry.promoted_in = self.parse_promotedto(ext.get("promotedto"))
entry.device_commands = []
entry.pdevice_commands = []
entry.instance_commands = []
entry.features_fields = []
entry.properties_fields = []
for cmd in ext.findall("require/command"):
cmd_name = cmd.get("name")
if cmd_name:
if commands_type[cmd_name] in ("VkDevice", "VkCommandBuffer", "VkQueue"):
entry.device_commands.append(cmd_name)
elif commands_type[cmd_name] in ("VkPhysicalDevice"):
entry.pdevice_commands.append(cmd_name)
else:
entry.instance_commands.append(cmd_name)
entry.constants = []
for enum in ext.findall("require/enum"):
enum_name = enum.get("name")
enum_extends = enum.get("extends")
# we are only interested in VK_*_EXTENSION_NAME, which does not
# have an "extends" attribute
if not enum_extends:
entry.constants.append(enum_name)
for ty in ext.findall("require/type"):
ty_name = ty.get("name")
if (self.is_features_struct(ty_name) and
entry.features_struct is None):
entry.features_struct = ty_name
elif (self.is_properties_struct(ty_name) and
entry.properties_struct is None):
entry.properties_struct = ty_name
if entry.features_struct:
struct_name = entry.features_struct
if entry.features_struct in struct_aliases:
struct_name = struct_aliases[entry.features_struct]
entry.features_promoted = True
elif entry.promoted_in is not None:
# if the extension is promoted but a core-Vulkan alias is not
# available for the features, then consider the features struct
# non-core-promoted
entry.features_promoted = False
for field in vkxml.findall("./types/type[@name='{}']/member".format(struct_name)):
field_name = field.find("name").text
# we ignore sType and pNext since they are irrelevant
if field_name not in ["sType", "pNext"]:
entry.features_fields.append(field_name)
if entry.properties_struct:
struct_name = entry.properties_struct
if entry.properties_struct in struct_aliases:
struct_name = struct_aliases[entry.properties_struct]
entry.properties_promoted = True
elif entry.promoted_in is not None:
# if the extension is promoted but a core-Vulkan alias is not
# available for the properties, then it is not promoted to core
entry.properties_promoted = False
for field in vkxml.findall("./types/type[@name='{}']/member".format(struct_name)):
field_name = field.find("name").text
# we ignore sType and pNext since they are irrelevant
if field_name not in ["sType", "pNext"]:
entry.properties_fields.append(field_name)
if ext.get("platform") is not None:
entry.platform_guard = platform_guards[ext.get("platform")]
self.registry[name] = entry
def in_registry(self, ext_name: str):
return ext_name in self.registry
def get_registry_entry(self, ext_name: str):
if self.in_registry(ext_name):
return self.registry[ext_name]
# Parses e.g. "VK_VERSION_x_y" to integer tuple (x, y)
# For any erroneous inputs, None is returned
def parse_promotedto(self, promotedto: str):
result = None
if promotedto and promotedto.startswith("VK_VERSION_"):
(major, minor) = promotedto.split('_')[-2:]
result = (int(major), int(minor))
return result
def is_features_struct(self, struct: str):
return re.match(r"VkPhysicalDevice.*Features.*", struct) is not None
def is_properties_struct(self, struct: str):
return re.match(r"VkPhysicalDevice.*Properties.*", struct) is not None