dawn-cmake/generator/templates/dawn_native/dawn_platform.h

//* Copyright 2021 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.

#ifndef DAWNNATIVE_DAWN_PLATFORM_AUTOGEN_H_
#define DAWNNATIVE_DAWN_PLATFORM_AUTOGEN_H_

#include "dawn/webgpu_cpp.h"
#include "dawn_native/Forward.h"

// Use our autogenerated version of the wgpu structures that point to dawn_native object types
// (wgpu::Buffer is dawn_native::BufferBase*)
#include <dawn_native/wgpu_structs_autogen.h>

namespace dawn_native {

    {% for type in by_category["structure"] %}
        inline const {{as_cType(type.name)}}* ToAPI(const {{as_cppType(type.name)}}* rhs) {
            return reinterpret_cast<const {{as_cType(type.name)}}*>(rhs);
        }

        inline {{as_cType(type.name)}}* ToAPI({{as_cppType(type.name)}}* rhs) {
            return reinterpret_cast<{{as_cType(type.name)}}*>(rhs);
        }

        inline const {{as_cppType(type.name)}}* FromAPI(const {{as_cType(type.name)}}* rhs) {
            return reinterpret_cast<const {{as_cppType(type.name)}}*>(rhs);
        }

        inline {{as_cppType(type.name)}}* FromAPI({{as_cType(type.name)}}* rhs) {
            return reinterpret_cast<{{as_cppType(type.name)}}*>(rhs);
        }
    {% endfor %}

    {% for type in by_category["object"] %}
        inline const {{as_cType(type.name)}}Impl* ToAPI(const {{as_cppType(type.name)}}Base* rhs) {
            return reinterpret_cast<const {{as_cType(type.name)}}Impl*>(rhs);
        }

        inline {{as_cType(type.name)}}Impl* ToAPI({{as_cppType(type.name)}}Base* rhs) {
            return reinterpret_cast<{{as_cType(type.name)}}Impl*>(rhs);
        }

        inline const {{as_cppType(type.name)}}Base* FromAPI(const {{as_cType(type.name)}}Impl* rhs) {
            return reinterpret_cast<const {{as_cppType(type.name)}}Base*>(rhs);
        }

        inline {{as_cppType(type.name)}}Base* FromAPI({{as_cType(type.name)}}Impl* rhs) {
            return reinterpret_cast<{{as_cppType(type.name)}}Base*>(rhs);
        }
    {% endfor %}

    template <typename T>
    struct EnumCount;

    {% for e in by_category["enum"] if e.contiguousFromZero %}
        template<>
        struct EnumCount<wgpu::{{as_cppType(e.name)}}> {
            static constexpr uint32_t value = {{len(e.values)}};
        };
    {% endfor %}
}

#endif  // DAWNNATIVE_DAWN_PLATFORM_AUTOGEN_H_