//* 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. {% set impl_dir = metadata.impl_dir + "/" if metadata.impl_dir else "" %} {% set namespace_name = Name(metadata.native_namespace) %} {% set native_namespace = namespace_name.namespace_case() %} {% set native_dir = impl_dir + namespace_name.Dirs() %} {% set api = metadata.api.lower() %} #include "{{native_dir}}/{{api}}_absl_format_autogen.h" #include "{{native_dir}}/ObjectType_autogen.h" namespace {{native_namespace}} { // // Descriptors // {% for type in by_category["structure"] %} {% for member in type.members %} {% if member.name.canonical_case() == "label" %} absl::FormatConvertResult<absl::FormatConversionCharSet::kString> AbslFormatConvert(const {{as_cppType(type.name)}}* value, const absl::FormatConversionSpec& spec, absl::FormatSink* s) { if (value == nullptr) { s->Append("[null]"); return {true}; } s->Append("[{{as_cppType(type.name)}}"); if (value->label != nullptr) { s->Append(absl::StrFormat(" \"%s\"", value->label)); } s->Append("]"); return {true}; } {% endif %} {% endfor %} {% endfor %} // // Compatible with absl::StrFormat (Needs to be disjoint from having a 'label' for now.) // Currently uses a hard-coded list to determine which structures are actually supported. If // additional structures are added, be sure to update the header file's list as well. // using absl::ParsedFormat; {% for type in by_category["structure"] %} {% if type.name.get() in [ "buffer binding layout", "sampler binding layout", "texture binding layout", "storage texture binding layout" ] %} absl::FormatConvertResult<absl::FormatConversionCharSet::kString> AbslFormatConvert(const {{as_cppType(type.name)}}& value, const absl::FormatConversionSpec& spec, absl::FormatSink* s) { {% set members = [] %} {% set format = [] %} {% set template = [] %} {% for member in type.members %} {% set memberName = member.name.camelCase() %} {% do members.append("value." + memberName) %} {% do format.append(memberName + ": %" + as_formatType(member)) %} {% do template.append("'" + as_formatType(member) + "'") %} {% endfor %} static const auto* const fmt = new ParsedFormat<{{template|join(",")}}>("{ {{format|join(", ")}} }"); s->Append(absl::StrFormat(*fmt, {{members|join(", ")}})); return {true}; } {% endif %} {% endfor %} } // namespace {{native_namespace}} {% set namespace = metadata.namespace %} namespace {{namespace}} { // // Enums // {% for type in by_category["enum"] %} absl::FormatConvertResult<absl::FormatConversionCharSet::kString|absl::FormatConversionCharSet::kIntegral> AbslFormatConvert({{as_cppType(type.name)}} value, const absl::FormatConversionSpec& spec, absl::FormatSink* s) { if (spec.conversion_char() == absl::FormatConversionChar::s) { s->Append("{{as_cppType(type.name)}}::"); switch (value) { {% for value in type.values %} case {{as_cppType(type.name)}}::{{as_cppEnum(value.name)}}: s->Append("{{as_cppEnum(value.name)}}"); break; {% endfor %} } } else { s->Append(absl::StrFormat("%u", static_cast<typename std::underlying_type<{{as_cppType(type.name)}}>::type>(value))); } return {true}; } {% endfor %} // // Bitmasks // {% for type in by_category["bitmask"] %} absl::FormatConvertResult<absl::FormatConversionCharSet::kString|absl::FormatConversionCharSet::kIntegral> AbslFormatConvert({{as_cppType(type.name)}} value, const absl::FormatConversionSpec& spec, absl::FormatSink* s) { if (spec.conversion_char() == absl::FormatConversionChar::s) { s->Append("{{as_cppType(type.name)}}::"); if (!static_cast<bool>(value)) { {% for value in type.values if value.value == 0 %} // 0 is often explicitly declared as None. s->Append("{{as_cppEnum(value.name)}}"); {% else %} s->Append(absl::StrFormat("{{as_cppType(type.name)}}::%x", 0)); {% endfor %} return {true}; } bool moreThanOneBit = !HasZeroOrOneBits(value); if (moreThanOneBit) { s->Append("("); } bool first = true; {% for value in type.values if value.value != 0 %} if (value & {{as_cppType(type.name)}}::{{as_cppEnum(value.name)}}) { if (!first) { s->Append("|"); } first = false; s->Append("{{as_cppEnum(value.name)}}"); value &= ~{{as_cppType(type.name)}}::{{as_cppEnum(value.name)}}; } {% endfor %} if (static_cast<bool>(value)) { if (!first) { s->Append("|"); } s->Append(absl::StrFormat("{{as_cppType(type.name)}}::%x", static_cast<typename std::underlying_type<{{as_cppType(type.name)}}>::type>(value))); } if (moreThanOneBit) { s->Append(")"); } } else { s->Append(absl::StrFormat("%u", static_cast<typename std::underlying_type<{{as_cppType(type.name)}}>::type>(value))); } return {true}; } {% endfor %} } // namespace {{namespace}}