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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef THIRD_PARTY_BLINK_RENDERER_MODULES_WEBGPU_WGSL_LANGUAGE_FEATURES_H_
#define THIRD_PARTY_BLINK_RENDERER_MODULES_WEBGPU_WGSL_LANGUAGE_FEATURES_H_
#include <bitset>
#include "third_party/blink/renderer/bindings/core/v8/iterable.h"
#include "third_party/blink/renderer/bindings/modules/v8/v8_sync_iterator_wgsl_language_features.h"
#include "third_party/blink/renderer/platform/bindings/script_wrappable.h"
#include "third_party/blink/renderer/platform/graphics/gpu/webgpu_cpp.h"
#include "third_party/blink/renderer/platform/wtf/hash_set.h"
namespace blink {
class WGSLLanguageFeatures : public ScriptWrappable,
public ValueSyncIterable<WGSLLanguageFeatures> {
DEFINE_WRAPPERTYPEINFO();
public:
explicit WGSLLanguageFeatures(
const std::vector<wgpu::WGSLLanguageFeatureName>& features);
const HashSet<String>& FeatureNameSet() const { return features_; }
// wgsl_language_features.idl {{{
bool hasForBinding(ScriptState* script_state,
const String& feature,
ExceptionState& exception_state) const;
unsigned size() const { return features_.size(); }
// }}} End of WebIDL binding implementation.
private:
HashSet<String> features_;
class IterationSource final
: public ValueSyncIterable<WGSLLanguageFeatures>::IterationSource {
public:
explicit IterationSource(const HashSet<String>& features);
bool FetchNextItem(ScriptState* script_state,
String& value,
ExceptionState& exception_state) override;
private:
HashSet<String> features_;
HashSet<String>::iterator iter_;
};
// Starts iteration over the Setlike.
// Needed for ValueSyncIterable to work properly.
WGSLLanguageFeatures::IterationSource* CreateIterationSource(
ScriptState* script_state,
ExceptionState& exception_state) override {
return MakeGarbageCollected<WGSLLanguageFeatures::IterationSource>(
features_);
}
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_MODULES_WEBGPU_WGSL_LANGUAGE_FEATURES_H_
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