65 lines
2.0 KiB
C
65 lines
2.0 KiB
C
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// Copyright 2018 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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#ifndef DAWNNATIVE_FENCE_H_
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#define DAWNNATIVE_FENCE_H_
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#include "common/SerialMap.h"
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#include "dawn_native/Error.h"
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#include "dawn_native/Forward.h"
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#include "dawn_native/ObjectBase.h"
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#include "dawn_native/dawn_platform.h"
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#include <map>
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namespace dawn_native {
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MaybeError ValidateFenceDescriptor(DeviceBase*, const FenceDescriptor* descriptor);
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class FenceBase : public ObjectBase {
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public:
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FenceBase(DeviceBase* device, const FenceDescriptor* descriptor);
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~FenceBase();
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// Dawn API
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uint64_t GetCompletedValue() const;
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void OnCompletion(uint64_t value,
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dawn::FenceOnCompletionCallback callback,
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dawn::CallbackUserdata userdata);
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uint64_t GetSignaledValue() const;
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protected:
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friend class QueueBase;
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friend class FenceSignalTracker;
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void SetSignaledValue(uint64_t signalValue);
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void SetCompletedValue(uint64_t completedValue);
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private:
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MaybeError ValidateOnCompletion(uint64_t value) const;
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struct OnCompletionData {
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dawn::FenceOnCompletionCallback completionCallback = nullptr;
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dawn::CallbackUserdata userdata = 0;
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};
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uint64_t mSignalValue;
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uint64_t mCompletedValue;
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SerialMap<OnCompletionData> mRequests;
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};
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} // namespace dawn_native
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#endif // DAWNNATIVE_FENCE_H_
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