mirror of
https://github.com/encounter/dawn-cmake.git
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839053b90c
This initial reasoning for having a u64 userdata was to be able to pack two u32s in a single userdata but that was never used, and made a bunch of code uglier than it should. BUG=dawn:160 Change-Id: Ia0d20bc23f09f5d8f3748ca4edd1a331604f2ba8 Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/7561 Commit-Queue: Corentin Wallez <cwallez@chromium.org> Reviewed-by: Kai Ninomiya <kainino@chromium.org>
70 lines
2.1 KiB
C++
70 lines
2.1 KiB
C++
// 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(const FenceDescriptor* descriptor);
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class FenceBase : public ObjectBase {
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public:
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FenceBase(QueueBase* queue, const FenceDescriptor* descriptor);
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~FenceBase();
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static FenceBase* MakeError(DeviceBase* device);
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uint64_t GetSignaledValue() const;
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const QueueBase* GetQueue() const;
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// Dawn API
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uint64_t GetCompletedValue() const;
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void OnCompletion(uint64_t value, dawn::FenceOnCompletionCallback callback, void* userdata);
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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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FenceBase(DeviceBase* device, ObjectBase::ErrorTag tag);
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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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void* userdata = nullptr;
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};
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uint64_t mSignalValue;
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uint64_t mCompletedValue;
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Ref<QueueBase> mQueue;
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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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