94 lines
3.6 KiB
Python
94 lines
3.6 KiB
Python
|
# Copyright 2019 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.
|
||
|
|
|
||
|
|
from collections import namedtuple
|
||
|
|
from common import Name
|
||
|
|
import common
|
||
|
|
|
||
|
|
def concat_names(*names):
|
||
|
|
return ' '.join([name.canonical_case() for name in names])
|
||
|
|
|
||
|
|
# Create wire commands from api methods
|
||
|
|
def compute_wire_params(api_params, wire_json):
|
||
|
|
wire_params = api_params.copy()
|
||
|
|
types = wire_params['types']
|
||
|
|
|
||
|
|
commands = []
|
||
|
|
return_commands = []
|
||
|
|
|
||
|
|
object_result_member = common.RecordMember(Name('result'), types['ObjectHandle'], 'value', False, True)
|
||
|
|
|
||
|
|
string_message_member = common.RecordMember(Name('message'), types['char'], 'const*', False, False)
|
||
|
|
string_message_member.length = 'strlen'
|
||
|
|
|
||
|
|
built_object_member = common.RecordMember(Name('built object'), types['ObjectHandle'], 'value', False, False)
|
||
|
|
|
||
|
|
callback_status_member = common.RecordMember(Name('status'), types['uint32_t'], 'value', False, False)
|
||
|
|
|
||
|
|
# Generate commands from object methods
|
||
|
|
for api_object in wire_params['by_category']['object']:
|
||
|
|
for method in api_object.methods:
|
||
|
|
if method.return_type.category != 'object' and method.return_type.name.canonical_case() != 'void':
|
||
|
|
# No other return types supported
|
||
|
|
continue
|
||
|
|
|
||
|
|
# Create object method commands by prepending "self"
|
||
|
|
members = [common.RecordMember(Name('self'), types[api_object.dict_name], 'value', False, False)]
|
||
|
|
|
||
|
|
members += method.arguments
|
||
|
|
|
||
|
|
# Client->Server commands that return an object return the result object handle
|
||
|
|
if method.return_type.category == 'object':
|
||
|
|
members.append(object_result_member)
|
||
|
|
|
||
|
|
command_name = concat_names(api_object.name, method.name)
|
||
|
|
command = common.Command(command_name, members)
|
||
|
|
|
||
|
|
command.derived_object = api_object
|
||
|
|
command.derived_method = method
|
||
|
|
commands.append(command)
|
||
|
|
|
||
|
|
# Create builder return ErrorCallback commands
|
||
|
|
# This can be removed when WebGPU error handling is implemented
|
||
|
|
if api_object.is_builder:
|
||
|
|
command_name = concat_names(api_object.name, Name('error callback'))
|
||
|
|
|
||
|
|
command = common.Command(command_name, [
|
||
|
|
built_object_member,
|
||
|
|
callback_status_member,
|
||
|
|
string_message_member,
|
||
|
|
])
|
||
|
|
command.derived_object = api_object
|
||
|
|
return_commands.append(command)
|
||
|
|
|
||
|
|
for (name, json_data) in wire_json['commands'].items():
|
||
|
|
commands.append(common.Command(name, common.linked_record_members(json_data, types)))
|
||
|
|
|
||
|
|
for (name, json_data) in wire_json['return commands'].items():
|
||
|
|
return_commands.append(common.Command(name, common.linked_record_members(json_data, types)))
|
||
|
|
|
||
|
|
wire_params['cmd_records'] = {
|
||
|
|
'command': commands,
|
||
|
|
'return command': return_commands
|
||
|
|
}
|
||
|
|
|
||
|
|
for commands in wire_params['cmd_records'].values():
|
||
|
|
for command in commands:
|
||
|
|
command.update_metadata()
|
||
|
|
commands.sort(key=lambda c: c.name.canonical_case())
|
||
|
|
|
||
|
|
wire_params.update(wire_json.get('special items', {}))
|
||
|
|
|
||
|
|
return wire_params
|