dawn-cmake/generator/dawn_gpu_info_generator.py

132 lines
3.7 KiB
Python

#!/usr/bin/env python3
# Copyright 2022 The Dawn Authors
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import json, os, sys
from collections import namedtuple
from generator_lib import Generator, run_generator, FileRender
class Name:
def __init__(self, name):
self.name = name
self.chunks = name.split(' ')
def get(self):
return self.name
def CamelChunk(self, chunk):
return chunk[0].upper() + chunk[1:]
def canonical_case(self):
return (' '.join(self.chunks)).lower()
def concatcase(self):
return ''.join(self.chunks)
def camelCase(self):
return self.chunks[0] + ''.join(
[self.CamelChunk(chunk) for chunk in self.chunks[1:]])
def CamelCase(self):
return ''.join([self.CamelChunk(chunk) for chunk in self.chunks])
def SNAKE_CASE(self):
return '_'.join([chunk.upper() for chunk in self.chunks])
def snake_case(self):
return '_'.join(self.chunks)
def js_enum_case(self):
result = self.chunks[0].lower()
for chunk in self.chunks[1:]:
if not result[-1].isdigit():
result += '-'
result += chunk.lower()
return result
class Architecture:
def __init__(self, name, json_data):
self.name = Name(name)
self.devices = []
for device in json_data:
self.devices.append(device)
class Vendor:
def __init__(self, name, json_data):
self.name = Name(name)
self.id = json_data['id']
self.deviceMask = None
if 'deviceMask' in json_data:
self.deviceMask = json_data['deviceMask']
self.architectures = []
if 'architecture' in json_data:
for (arch_name, arch_data) in json_data['architecture'].items():
# Skip any entries that start with an underscore. Used for comments.
if arch_name[0] == '_':
continue
self.architectures.append(Architecture(arch_name, arch_data))
def maskDeviceId(self):
if not self.deviceMask:
return ''
return ' & ' + self.deviceMask
def parse_json(json):
vendors = []
for (vendor, vendor_data) in json['vendors'].items():
vendors.append(Vendor(vendor, vendor_data))
return {'vendors': vendors}
class DawnGpuInfoGenerator(Generator):
def get_description(self):
return "Generates GPU Info Dawn code."
def add_commandline_arguments(self, parser):
parser.add_argument('--gpu-info-json',
required=True,
type=str,
help='The GPU Info JSON definition to use.')
def get_dependencies(self, args):
return [os.path.abspath(args.gpu_info_json)]
def get_file_renders(self, args):
with open(args.gpu_info_json) as f:
loaded_json = json.loads(f.read())
params = parse_json(loaded_json)
return [
FileRender("dawn/common/GPUInfo.h",
"src/dawn/common/GPUInfo_autogen.h", [params]),
FileRender("dawn/common/GPUInfo.cpp",
"src/dawn/common/GPUInfo_autogen.cpp", [params]),
]
if __name__ == "__main__":
sys.exit(run_generator(DawnGpuInfoGenerator()))