dawn-cmake/generator/templates/webgpu_cpp.cpp

133 lines
5.8 KiB
C++

//* Copyright 2017 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.
#include "dawn/webgpu_cpp.h"
namespace wgpu {
{% for type in by_category["enum"] %}
{% set CppType = as_cppType(type.name) %}
{% set CType = as_cType(type.name) %}
static_assert(sizeof({{CppType}}) == sizeof({{CType}}), "sizeof mismatch for {{CppType}}");
static_assert(alignof({{CppType}}) == alignof({{CType}}), "alignof mismatch for {{CppType}}");
{% for value in type.values %}
static_assert(static_cast<uint32_t>({{CppType}}::{{as_cppEnum(value.name)}}) == {{as_cEnum(type.name, value.name)}}, "value mismatch for {{CppType}}::{{as_cppEnum(value.name)}}");
{% endfor %}
{% endfor %}
{% for type in by_category["bitmask"] %}
{% set CppType = as_cppType(type.name) %}
{% set CType = as_cType(type.name) + "Flags" %}
static_assert(sizeof({{CppType}}) == sizeof({{CType}}), "sizeof mismatch for {{CppType}}");
static_assert(alignof({{CppType}}) == alignof({{CType}}), "alignof mismatch for {{CppType}}");
{% for value in type.values %}
static_assert(static_cast<uint32_t>({{CppType}}::{{as_cppEnum(value.name)}}) == {{as_cEnum(type.name, value.name)}}, "value mismatch for {{CppType}}::{{as_cppEnum(value.name)}}");
{% endfor %}
{% endfor %}
{% for type in by_category["structure"] %}
{% set CppType = as_cppType(type.name) %}
{% set CType = as_cType(type.name) %}
static_assert(sizeof({{CppType}}) == sizeof({{CType}}), "sizeof mismatch for {{CppType}}");
static_assert(alignof({{CppType}}) == alignof({{CType}}), "alignof mismatch for {{CppType}}");
{% if type.extensible %}
static_assert(offsetof({{CppType}}, nextInChain) == offsetof({{CType}}, nextInChain),
"offsetof mismatch for {{CppType}}::nextInChain");
{% endif %}
{% for member in type.members %}
{% set memberName = member.name.camelCase() %}
static_assert(offsetof({{CppType}}, {{memberName}}) == offsetof({{CType}}, {{memberName}}),
"offsetof mismatch for {{CppType}}::{{memberName}}");
{% endfor %}
{% endfor %}
{% for type in by_category["object"] %}
{% set CppType = as_cppType(type.name) %}
{% set CType = as_cType(type.name) %}
static_assert(sizeof({{CppType}}) == sizeof({{CType}}), "sizeof mismatch for {{CppType}}");
static_assert(alignof({{CppType}}) == alignof({{CType}}), "alignof mismatch for {{CppType}}");
{% macro render_cpp_method_declaration(type, method) %}
{% set CppType = as_cppType(type.name) %}
{{as_cppType(method.return_type.name)}} {{CppType}}::{{method.name.CamelCase()}}(
{%- for arg in method.arguments -%}
{%- if not loop.first %}, {% endif -%}
{%- if arg.type.category == "object" and arg.annotation == "value" -%}
{{as_cppType(arg.type.name)}} const& {{as_varName(arg.name)}}
{%- else -%}
{{as_annotated_cppType(arg)}}
{%- endif -%}
{%- endfor -%}
) const
{%- endmacro %}
{% macro render_cpp_to_c_method_call(type, method) -%}
{{as_cMethod(type.name, method.name)}}(Get()
{%- for arg in method.arguments -%},{{" "}}
{%- if arg.annotation == "value" -%}
{%- if arg.type.category == "object" -%}
{{as_varName(arg.name)}}.Get()
{%- elif arg.type.category == "enum" or arg.type.category == "bitmask" -%}
static_cast<{{as_cType(arg.type.name)}}>({{as_varName(arg.name)}})
{%- elif arg.type.category in ["callback", "native"] -%}
{{as_varName(arg.name)}}
{%- else -%}
UNHANDLED
{%- endif -%}
{%- else -%}
reinterpret_cast<{{decorate("", as_cType(arg.type.name), arg)}}>({{as_varName(arg.name)}})
{%- endif -%}
{%- endfor -%}
)
{%- endmacro %}
{% for method in type.methods %}
{{render_cpp_method_declaration(type, method)}} {
{% if method.return_type.name.concatcase() == "void" %}
{{render_cpp_to_c_method_call(type, method)}};
{% else %}
auto result = {{render_cpp_to_c_method_call(type, method)}};
return {{convert_cType_to_cppType(method.return_type, 'value', 'result') | indent(8)}};
{% endif %}
}
{% endfor %}
void {{CppType}}::WGPUReference({{CType}} handle) {
if (handle != nullptr) {
{{as_cMethod(type.name, Name("reference"))}}(handle);
}
}
void {{CppType}}::WGPURelease({{CType}} handle) {
if (handle != nullptr) {
{{as_cMethod(type.name, Name("release"))}}(handle);
}
}
{% endfor %}
Proc GetProcAddress(Device const& device, const char* procName) {
return reinterpret_cast<Proc>(wgpuGetProcAddress(device.Get(), procName));
}
}