| //* 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. |
| |
| {% set impl_dir = metadata.impl_dir + "/" if metadata.impl_dir else "" %} |
| {% set namespace_name = Name(metadata.native_namespace) %} |
| {% set native_namespace = namespace_name.namespace_case() %} |
| {% set native_dir = impl_dir + namespace_name.Dirs() %} |
| {% set prefix = metadata.proc_table_prefix.lower() %} |
| #include "{{native_dir}}/CacheKey.h" |
| #include "{{native_dir}}/{{prefix}}_platform.h" |
| |
| #include <cstring> |
| |
| namespace {{native_namespace}} { |
| |
| // |
| // Cache key serializers for wgpu structures used in caching. |
| // |
| {% macro render_serializer(member) %} |
| {%- set name = member.name.camelCase() -%} |
| {% if member.length == None %} |
| key->Record(t.{{name}}); |
| {% elif member.length == "strlen" %} |
| key->RecordIterable(t.{{name}}, strlen(t.{{name}})); |
| {% else %} |
| key->RecordIterable(t.{{name}}, t.{{member.length.name.camelCase()}}); |
| {% endif %} |
| {% endmacro %} |
| |
| {# Helper macro to render serializers. Should be used in a call block to provide additional custom |
| handling when necessary. The optional `omit` field can be used to omit fields that are either |
| handled in the custom code, or unnecessary in the serialized output. |
| Example: |
| {% call render_cache_key_serializer("struct name", omits=["omit field"]) %} |
| // Custom C++ code to handle special types/members that are hard to generate code for |
| {% endcall %} |
| #} |
| {% macro render_cache_key_serializer(json_type, omits=[]) %} |
| {%- set cpp_type = types[json_type].name.CamelCase() -%} |
| template <> |
| void CacheKeySerializer<{{cpp_type}}>::Serialize(CacheKey* key, const {{cpp_type}}& t) { |
| {{ caller() }} |
| {% for member in types[json_type].members %} |
| {%- if not member.name.get() in omits %} |
| {{render_serializer(member)}} |
| {%- endif %} |
| {% endfor %} |
| } |
| {% endmacro %} |
| |
| {% call render_cache_key_serializer("adapter properties") %} |
| {% endcall %} |
| |
| {% call render_cache_key_serializer("dawn cache device descriptor") %} |
| {% endcall %} |
| |
| } // namespace {{native_namespace}} |