dawn-cmake/generator/templates/api_cpp_chained_struct.h

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1.7 KiB
C++

//* Copyright 2023 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 API = metadata.api.upper() %}
{% if 'dawn' in enabled_tags %}
#ifdef __EMSCRIPTEN__
#error "Do not include this header. Emscripten already provides headers needed for {{metadata.api}}."
#endif
{% endif %}
#ifndef {{API}}_CPP_CHAINED_STRUCT_H_
#define {{API}}_CPP_CHAINED_STRUCT_H_
// This header file declares the ChainedStruct structures separately from the {{metadata.api}}
// headers so that dependencies can directly extend structures without including the larger header
// which exposes capabilities that may require correctly set proc tables.
namespace {{metadata.namespace}} {
namespace detail {
constexpr size_t ConstexprMax(size_t a, size_t b) {
return a > b ? a : b;
}
} // namespace detail
enum class SType : uint32_t;
struct ChainedStruct {
ChainedStruct const * nextInChain = nullptr;
SType sType = SType(0u);
};
struct ChainedStructOut {
ChainedStructOut * nextInChain = nullptr;
SType sType = SType(0u);
};
} // namespace {{metadata.namespace}}}
#endif // {{API}}_CPP_CHAINED_STRUCT_H_