122 lines
5.7 KiB
C++
122 lines
5.7 KiB
C++
//* Copyright 2019 The Dawn Authors
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//*
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//* Licensed under the Apache License, Version 2.0 (the "License");
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//* you may not use this file except in compliance with the License.
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//* You may obtain a copy of the License at
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//*
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//* http://www.apache.org/licenses/LICENSE-2.0
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//*
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//* Unless required by applicable law or agreed to in writing, software
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//* distributed under the License is distributed on an "AS IS" BASIS,
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//* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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//* See the License for the specific language governing permissions and
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//* limitations under the License.
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#include "common/Assert.h"
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#include "dawn_wire/server/Server.h"
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namespace dawn_wire { namespace server {
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//* Implementation of the command doers
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{% for command in cmd_records["command"] %}
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{% set type = command.derived_object %}
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{% set method = command.derived_method %}
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{% set is_method = method is not none %}
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{% set Suffix = command.name.CamelCase() %}
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{% if Suffix not in client_side_commands %}
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{% if is_method and Suffix not in server_handwritten_commands %}
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bool Server::Do{{Suffix}}(
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{%- for member in command.members -%}
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{%- if member.is_return_value -%}
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{%- if member.handle_type -%}
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{{as_cType(member.handle_type.name)}}* {{as_varName(member.name)}}
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{%- else -%}
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{{as_cType(member.type.name)}}* {{as_varName(member.name)}}
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{%- endif -%}
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{%- else -%}
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{{as_annotated_cType(member)}}
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{%- endif -%}
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{%- if not loop.last -%}, {% endif %}
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{%- endfor -%}
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) {
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{% set ret = command.members|selectattr("is_return_value")|list %}
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//* If there is a return value, assign it.
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{% if ret|length == 1 %}
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*{{as_varName(ret[0].name)}} =
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{% else %}
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//* Only one member should be a return value.
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{{ assert(ret|length == 0) }}
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{% endif %}
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mProcs.{{as_varName(type.name, method.name)}}(
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{%- for member in command.members if not member.is_return_value -%}
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{{as_varName(member.name)}}
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{%- if not loop.last -%}, {% endif %}
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{%- endfor -%}
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);
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{% if ret|length == 1 %}
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//* WebGPU error handling guarantees that no null object can be returned by
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//* object creation functions.
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ASSERT(*{{as_varName(ret[0].name)}} != nullptr);
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{% endif %}
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return true;
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}
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{% endif %}
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{% endif %}
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{% endfor %}
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bool Server::DoDestroyObject(ObjectType objectType, ObjectId objectId) {
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//* ID 0 are reserved for nullptr and cannot be destroyed.
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if (objectId == 0) {
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return false;
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}
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switch(objectType) {
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{% for type in by_category["object"] %}
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case ObjectType::{{type.name.CamelCase()}}: {
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auto* data = {{type.name.CamelCase()}}Objects().Get(objectId);
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if (data == nullptr) {
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return false;
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}
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if (data->deviceInfo != nullptr) {
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if (!UntrackDeviceChild(data->deviceInfo, objectType, objectId)) {
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return false;
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}
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}
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if (data->state == AllocationState::Allocated) {
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ASSERT(data->handle != nullptr);
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{% if type.name.CamelCase() in server_reverse_lookup_objects %}
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{{type.name.CamelCase()}}ObjectIdTable().Remove(data->handle);
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{% endif %}
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{% if type.name.get() == "device" %}
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//* TODO(crbug.com/dawn/384): This is a hack to make sure that all child objects
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//* are destroyed before their device. We should have a solution in
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//* Dawn native that makes all child objects internally null if their
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//* Device is destroyed.
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while (data->info->childObjectTypesAndIds.size() > 0) {
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auto [childObjectType, childObjectId] = UnpackObjectTypeAndId(
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*data->info->childObjectTypesAndIds.begin());
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if (!DoDestroyObject(childObjectType, childObjectId)) {
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return false;
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}
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}
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if (data->handle != nullptr) {
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//* Deregisters uncaptured error and device lost callbacks since
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//* they should not be forwarded if the device no longer exists on the wire.
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ClearDeviceCallbacks(data->handle);
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}
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{% endif %}
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mProcs.{{as_varName(type.name, Name("release"))}}(data->handle);
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}
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{{type.name.CamelCase()}}Objects().Free(objectId);
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return true;
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}
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{% endfor %}
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default:
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return false;
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}
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}
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}} // namespace dawn_wire::server
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