130 lines
4.9 KiB
C++
130 lines
4.9 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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#include "dawn_native/dawn_platform.h"
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#include "dawn_native/DawnNative.h"
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#include <algorithm>
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#include <vector>
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{% for type in by_category["object"] %}
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{% if type.name.canonical_case() not in ["texture view"] %}
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#include "dawn_native/{{type.name.CamelCase()}}.h"
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{% endif %}
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{% endfor %}
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namespace dawn_native {
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namespace {
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{% for type in by_category["object"] %}
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{% for method in native_methods(type) %}
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{% set suffix = as_MethodSuffix(type.name, method.name) %}
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{{as_cType(method.return_type.name)}} Native{{suffix}}(
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{{-as_cType(type.name)}} cSelf
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{%- for arg in method.arguments -%}
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, {{as_annotated_cType(arg)}}
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{%- endfor -%}
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) {
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//* Perform conversion between C types and frontend types
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auto self = reinterpret_cast<{{as_frontendType(type)}}>(cSelf);
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{% for arg in method.arguments %}
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{% set varName = as_varName(arg.name) %}
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{% if arg.type.category in ["enum", "bitmask"] %}
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auto {{varName}}_ = static_cast<{{as_frontendType(arg.type)}}>({{varName}});
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{% elif arg.annotation != "value" or arg.type.category == "object" %}
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auto {{varName}}_ = reinterpret_cast<{{decorate("", as_frontendType(arg.type), arg)}}>({{varName}});
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{% else %}
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auto {{varName}}_ = {{as_varName(arg.name)}};
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{% endif %}
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{%- endfor-%}
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{% if method.return_type.name.canonical_case() != "void" %}
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auto result =
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{%- endif %}
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self->{{method.name.CamelCase()}}(
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{%- for arg in method.arguments -%}
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{%- if not loop.first %}, {% endif -%}
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{{as_varName(arg.name)}}_
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{%- endfor -%}
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);
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{% if method.return_type.name.canonical_case() != "void" %}
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{% if method.return_type.category == "object" %}
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return reinterpret_cast<{{as_cType(method.return_type.name)}}>(result);
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{% else %}
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return result;
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{% endif %}
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{% endif %}
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}
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{% endfor %}
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{% endfor %}
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struct ProcEntry {
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WGPUProc proc;
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const char* name;
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};
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static const ProcEntry sProcMap[] = {
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{% for (type, method) in methods_sorted_by_name %}
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{ reinterpret_cast<WGPUProc>(Native{{as_MethodSuffix(type.name, method.name)}}), "{{as_cMethod(type.name, method.name)}}" },
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{% endfor %}
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};
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static constexpr size_t sProcMapSize = sizeof(sProcMap) / sizeof(sProcMap[0]);
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}
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WGPUProc NativeGetProcAddress(WGPUDevice, const char* procName) {
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if (procName == nullptr) {
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return nullptr;
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}
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const ProcEntry* entry = std::lower_bound(&sProcMap[0], &sProcMap[sProcMapSize], procName,
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[](const ProcEntry &a, const char *b) -> bool {
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return strcmp(a.name, b) < 0;
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}
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);
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if (entry != &sProcMap[sProcMapSize] && strcmp(entry->name, procName) == 0) {
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return entry->proc;
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}
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if (strcmp(procName, "wgpuGetProcAddress") == 0) {
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return reinterpret_cast<WGPUProc>(NativeGetProcAddress);
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}
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return nullptr;
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}
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std::vector<const char*> GetProcMapNamesForTestingInternal() {
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std::vector<const char*> result;
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result.reserve(sProcMapSize);
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for (const ProcEntry& entry : sProcMap) {
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result.push_back(entry.name);
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}
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return result;
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}
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DawnProcTable GetProcsAutogen() {
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DawnProcTable table;
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table.getProcAddress = NativeGetProcAddress;
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{% for type in by_category["object"] %}
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{% for method in native_methods(type) %}
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table.{{as_varName(type.name, method.name)}} = Native{{as_MethodSuffix(type.name, method.name)}};
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{% endfor %}
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{% endfor %}
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return table;
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}
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}
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