82 lines
3.1 KiB
C++
82 lines
3.1 KiB
C++
// 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_CHAIN_UTILS_H_
|
|
#define DAWNNATIVE_CHAIN_UTILS_H_
|
|
|
|
#include "dawn_native/dawn_platform.h"
|
|
#include "dawn_native/Error.h"
|
|
|
|
namespace dawn_native {
|
|
{% for value in types["s type"].values %}
|
|
{% if value.valid %}
|
|
void FindInChain(const ChainedStruct* chain, const {{as_cppEnum(value.name)}}** out);
|
|
{% endif %}
|
|
{% endfor %}
|
|
|
|
// Verifies that |chain| only contains ChainedStructs of types enumerated in
|
|
// |oneOfConstraints| and contains no duplicate sTypes. Each vector in
|
|
// |oneOfConstraints| defines a set of sTypes that cannot coexist in the same chain.
|
|
// For example:
|
|
// ValidateSTypes(chain, { { ShaderModuleSPIRVDescriptor, ShaderModuleWGSLDescriptor } }))
|
|
// ValidateSTypes(chain, { { Extension1 }, { Extension2 } })
|
|
MaybeError ValidateSTypes(const ChainedStruct* chain,
|
|
std::vector<std::vector<wgpu::SType>> oneOfConstraints);
|
|
|
|
template <typename T>
|
|
MaybeError ValidateSingleSTypeInner(const ChainedStruct* chain, T sType) {
|
|
if (chain->sType != sType) {
|
|
return DAWN_VALIDATION_ERROR("Unsupported sType");
|
|
}
|
|
return {};
|
|
}
|
|
|
|
template <typename T, typename... Args>
|
|
MaybeError ValidateSingleSTypeInner(const ChainedStruct* chain, T sType, Args... sTypes) {
|
|
if (chain->sType == sType) {
|
|
return {};
|
|
}
|
|
return ValidateSingleSTypeInner(chain, sTypes...);
|
|
}
|
|
|
|
// Verifies that |chain| contains a single ChainedStruct of type |sType| or no ChainedStructs
|
|
// at all.
|
|
template <typename T>
|
|
MaybeError ValidateSingleSType(const ChainedStruct* chain, T sType) {
|
|
if (chain == nullptr) {
|
|
return {};
|
|
}
|
|
if (chain->nextInChain != nullptr) {
|
|
return DAWN_VALIDATION_ERROR("Chain can only contain a single chained struct");
|
|
}
|
|
return ValidateSingleSTypeInner(chain, sType);
|
|
}
|
|
|
|
// Verifies that |chain| contains a single ChainedStruct with a type enumerated in the
|
|
// parameter pack or no ChainedStructs at all.
|
|
template <typename T, typename... Args>
|
|
MaybeError ValidateSingleSType(const ChainedStruct* chain, T sType, Args... sTypes) {
|
|
if (chain == nullptr) {
|
|
return {};
|
|
}
|
|
if (chain->nextInChain != nullptr) {
|
|
return DAWN_VALIDATION_ERROR("Chain can only contain a single chained struct");
|
|
}
|
|
return ValidateSingleSTypeInner(chain, sType, sTypes...);
|
|
}
|
|
|
|
} // namespace dawn_native
|
|
|
|
#endif // DAWNNATIVE_CHAIN_UTILS_H_
|