74 lines
2.8 KiB
C++
74 lines
2.8 KiB
C++
//* Copyright 2017 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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#ifndef DAWNNATIVE_WGPU_STRUCTS_H_
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#define DAWNNATIVE_WGPU_STRUCTS_H_
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#include "dawn/webgpu_cpp.h"
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#include "dawn_native/Forward.h"
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namespace dawn_native {
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{% macro render_cpp_default_value(member) -%}
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{%- if member.annotation in ["*", "const*", "const*const*"] and member.optional -%}
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{{" "}}= nullptr
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{%- elif member.type.category == "object" and member.optional -%}
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{{" "}}= nullptr
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{%- elif member.type.category in ["enum", "bitmask"] and member.default_value != None -%}
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{{" "}}= wgpu::{{as_cppType(member.type.name)}}::{{as_cppEnum(Name(member.default_value))}}
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{%- elif member.type.category == "native" and member.default_value != None -%}
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{{" "}}= {{member.default_value}}
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{%- else -%}
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{{assert(member.default_value == None)}}
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{%- endif -%}
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{%- endmacro %}
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struct ChainedStruct {
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ChainedStruct const * nextInChain = nullptr;
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wgpu::SType sType = wgpu::SType::Invalid;
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};
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{% for type in by_category["structure"] %}
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{% if type.chained %}
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struct {{as_cppType(type.name)}} : ChainedStruct {
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{{as_cppType(type.name)}}() {
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sType = wgpu::SType::{{type.name.CamelCase()}};
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}
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{% else %}
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struct {{as_cppType(type.name)}} {
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{% endif %}
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{% if type.extensible %}
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ChainedStruct const * nextInChain = nullptr;
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{% endif %}
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{% for member in type.members %}
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{% set member_declaration = as_annotated_frontendType(member) + render_cpp_default_value(member) %}
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{% if type.chained and loop.first %}
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//* Align the first member to ChainedStruct to match the C struct layout.
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alignas(ChainedStruct) {{member_declaration}};
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{% else %}
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{{member_declaration}};
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{% endif %}
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{% endfor %}
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};
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{% endfor %}
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{% for typeDef in by_category["typedef"] if typeDef.type.category == "structure" %}
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using {{as_cppType(typeDef.name)}} = {{as_cppType(typeDef.type.name)}};
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{% endfor %}
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} // namespace dawn_native
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#endif // DAWNNATIVE_WGPU_STRUCTS_H_
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