Kaizen/external/parallel-rdp/parallel-rdp-standalone/vulkan/semaphore_manager.cpp

68 lines
2 KiB
C++

/* Copyright (c) 2017-2023 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.
*/
#include "semaphore_manager.hpp"
#include "device.hpp"
namespace Vulkan
{
void SemaphoreManager::init(Device *device_)
{
device = device_;
table = &device->get_device_table();
}
SemaphoreManager::~SemaphoreManager()
{
for (auto &sem : semaphores)
table->vkDestroySemaphore(device->get_device(), sem, nullptr);
}
void SemaphoreManager::recycle(VkSemaphore sem)
{
if (sem != VK_NULL_HANDLE)
semaphores.push_back(sem);
}
VkSemaphore SemaphoreManager::request_cleared_semaphore()
{
if (semaphores.empty())
{
VkSemaphoreCreateInfo info = { VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO };
VkSemaphore semaphore;
if (table->vkCreateSemaphore(device->get_device(), &info, nullptr, &semaphore) != VK_SUCCESS)
{
LOGE("Failed to create semaphore.\n");
semaphore = VK_NULL_HANDLE;
}
return semaphore;
}
else
{
auto sem = semaphores.back();
semaphores.pop_back();
return sem;
}
}
}