62 lines
2.1 KiB
C++
62 lines
2.1 KiB
C++
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// Copyright 2021 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/ChainUtils_autogen.h"
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#include <unordered_set>
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namespace dawn_native {
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{% for value in types["s type"].values %}
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{% if value.valid %}
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void FindInChain(const ChainedStruct* chain, const {{as_cppEnum(value.name)}}** out) {
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for (; chain; chain = chain->nextInChain) {
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if (chain->sType == wgpu::SType::{{as_cppEnum(value.name)}}) {
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*out = static_cast<const {{as_cppEnum(value.name)}}*>(chain);
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break;
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}
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}
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}
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{% endif %}
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{% endfor %}
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MaybeError ValidateSTypes(const ChainedStruct* chain,
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std::vector<std::vector<wgpu::SType>> oneOfConstraints) {
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std::unordered_set<wgpu::SType> allSTypes;
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for (; chain; chain = chain->nextInChain) {
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if (allSTypes.find(chain->sType) != allSTypes.end()) {
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return DAWN_VALIDATION_ERROR("Chain cannot have duplicate sTypes");
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}
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allSTypes.insert(chain->sType);
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}
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for (const auto& oneOfConstraint : oneOfConstraints) {
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bool satisfied = false;
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for (wgpu::SType oneOfSType : oneOfConstraint) {
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if (allSTypes.find(oneOfSType) != allSTypes.end()) {
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if (satisfied) {
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return DAWN_VALIDATION_ERROR("Unsupported sType combination");
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}
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satisfied = true;
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allSTypes.erase(oneOfSType);
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}
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}
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}
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if (!allSTypes.empty()) {
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return DAWN_VALIDATION_ERROR("Unsupported sType");
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}
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return {};
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}
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} // namespace dawn_native
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