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// Copyright 2018 The SwiftShader Authors. All Rights Reserved.
//
// 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 VK_FENCE_HPP_
#define VK_FENCE_HPP_
#include "VkObject.hpp"
#include "System/Synchronization.hpp"
namespace vk {
class Fence : public Object<Fence, VkFence>
{
public:
Fence(const VkFenceCreateInfo *pCreateInfo, void *mem)
: counted_event(std::make_shared<sw::CountedEvent>((pCreateInfo->flags & VK_FENCE_CREATE_SIGNALED_BIT) != 0))
{}
static size_t ComputeRequiredAllocationSize(const VkFenceCreateInfo *pCreateInfo)
{
return 0;
}
void reset()
{
counted_event->reset();
}
void complete()
{
counted_event->add();
counted_event->done();
}
VkResult getStatus()
{
return counted_event->signalled() ? VK_SUCCESS : VK_NOT_READY;
}
VkResult wait()
{
counted_event->wait();
return VK_SUCCESS;
}
template<class CLOCK, class DURATION>
VkResult wait(const std::chrono::time_point<CLOCK, DURATION> &timeout)
{
return counted_event->wait(timeout) ? VK_SUCCESS : VK_TIMEOUT;
}
const std::shared_ptr<sw::CountedEvent> &getCountedEvent() const { return counted_event; };
private:
Fence(const Fence &) = delete;
const std::shared_ptr<sw::CountedEvent> counted_event;
};
static inline Fence *Cast(VkFence object)
{
return Fence::Cast(object);
}
} // namespace vk
#endif // VK_FENCE_HPP_