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kaizen/external/parallel-rdp-standalone/vulkan/semaphore.hpp
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2022-07-11 00:53:03 +02:00

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/* Copyright (c) 2017-2022 Hans-Kristian Arntzen
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#pragma once
#include "vulkan_common.hpp"
#include "vulkan_headers.hpp"
#include "cookie.hpp"
#include "object_pool.hpp"
namespace Vulkan
{
class Device;
class SemaphoreHolder;
struct SemaphoreHolderDeleter
{
void operator()(SemaphoreHolder *semaphore);
};
class SemaphoreHolder : public Util::IntrusivePtrEnabled<SemaphoreHolder, SemaphoreHolderDeleter, HandleCounter>,
public InternalSyncEnabled
{
public:
friend struct SemaphoreHolderDeleter;
~SemaphoreHolder();
const VkSemaphore &get_semaphore() const
{
return semaphore;
}
bool is_signalled() const
{
return signalled;
}
uint64_t get_timeline_value() const
{
return timeline;
}
VkSemaphore consume()
{
auto ret = semaphore;
VK_ASSERT(semaphore);
VK_ASSERT(signalled);
semaphore = VK_NULL_HANDLE;
signalled = false;
return ret;
}
VkSemaphore release_semaphore()
{
auto ret = semaphore;
semaphore = VK_NULL_HANDLE;
signalled = false;
return ret;
}
bool can_recycle() const
{
return !should_destroy_on_consume;
}
void wait_external()
{
VK_ASSERT(semaphore);
VK_ASSERT(signalled);
signalled = false;
}
void signal_external()
{
VK_ASSERT(!signalled);
VK_ASSERT(semaphore);
signalled = true;
}
void destroy_on_consume()
{
should_destroy_on_consume = true;
}
void signal_pending_wait()
{
pending = true;
}
bool is_pending_wait() const
{
return pending;
}
SemaphoreHolder &operator=(SemaphoreHolder &&other) noexcept;
private:
friend class Util::ObjectPool<SemaphoreHolder>;
SemaphoreHolder(Device *device_, VkSemaphore semaphore_, bool signalled_)
: device(device_)
, semaphore(semaphore_)
, timeline(0)
, signalled(signalled_)
{
}
SemaphoreHolder(Device *device_, uint64_t timeline_, VkSemaphore semaphore_)
: device(device_), semaphore(semaphore_), timeline(timeline_)
{
VK_ASSERT(timeline > 0);
}
explicit SemaphoreHolder(Device *device_)
: device(device_)
{
}
void recycle_semaphore();
Device *device;
VkSemaphore semaphore = VK_NULL_HANDLE;
uint64_t timeline = 0;
bool signalled = true;
bool pending = false;
bool should_destroy_on_consume = false;
};
using Semaphore = Util::IntrusivePtr<SemaphoreHolder>;
}