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// Copyright 2023 The Dawn & Tint Authors
//
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// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
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// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
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#ifndef SRC_TINT_LANG_WGSL_COMMON_ALLOWED_FEATURES_H_
#define SRC_TINT_LANG_WGSL_COMMON_ALLOWED_FEATURES_H_
#include <unordered_set>
#include "src/tint/lang/wgsl/extension.h"
#include "src/tint/lang/wgsl/language_feature.h"
#include "src/tint/utils/reflection/reflection.h"
namespace tint::wgsl {
/// AllowedFeatures describes the set of extensions and language features that are allowed by the
/// current environment.
struct AllowedFeatures {
/// The extensions that are allowed.
std::unordered_set<wgsl::Extension> extensions;
/// The language features that are allowed.
std::unordered_set<wgsl::LanguageFeature> features;
/// Helper to produce an AllowedFeatures object that allows all extensions and features.
/// @returns the AllowedFeatures object
static AllowedFeatures Everything() {
AllowedFeatures allowed_features;
// Allow all extensions.
for (auto extension : wgsl::kAllExtensions) {
allowed_features.extensions.insert(extension);
}
// Allow all language features.
for (auto feature : wgsl::kAllLanguageFeatures) {
allowed_features.features.insert(feature);
}
return allowed_features;
}
/// Reflect the fields of this class so that it can be used by tint::ForeachField().
TINT_REFLECT(extensions, features);
};
} // namespace tint::wgsl
#endif // SRC_TINT_LANG_WGSL_COMMON_ALLOWED_FEATURES_H_