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// Copyright 2020 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_METAL_QUERYSETMTL_H_
#define DAWNNATIVE_METAL_QUERYSETMTL_H_
#include "dawn_native/QuerySet.h"
#include "common/NSRef.h"
#import <Metal/Metal.h>
namespace dawn_native { namespace metal {
class Device;
class QuerySet final : public QuerySetBase {
public:
static ResultOrError<Ref<QuerySet>> Create(Device* device,
const QuerySetDescriptor* descriptor);
id<MTLBuffer> GetVisibilityBuffer() const;
id<MTLCounterSampleBuffer> GetCounterSampleBuffer() const
API_AVAILABLE(macos(10.15), ios(14.0));
private:
~QuerySet() override;
using QuerySetBase::QuerySetBase;
MaybeError Initialize();
// Dawn API
void DestroyImpl() override;
NSPRef<id<MTLBuffer>> mVisibilityBuffer;
// Note that mCounterSampleBuffer cannot be an NSRef because the API_AVAILABLE macros don't
// propagate nicely through templates.
id<MTLCounterSampleBuffer> mCounterSampleBuffer API_AVAILABLE(macos(10.15),
ios(14.0)) = nullptr;
};
}} // namespace dawn_native::metal
#endif // DAWNNATIVE_METAL_QUERYSETMTL_H_