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/*
* Copyright 2019-2021 Diligent Graphics LLC
* Copyright 2015-2019 Egor Yusov
*
* 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.
*
* In no event and under no legal theory, whether in tort (including negligence),
* contract, or otherwise, unless required by applicable law (such as deliberate
* and grossly negligent acts) or agreed to in writing, shall any Contributor be
* liable for any damages, including any direct, indirect, special, incidental,
* or consequential damages of any character arising as a result of this License or
* out of the use or inability to use the software (including but not limited to damages
* for loss of goodwill, work stoppage, computer failure or malfunction, or any and
* all other commercial damages or losses), even if such Contributor has been advised
* of the possibility of such damages.
*/
#include "pch.h"
#include "CommandQueueVkImpl.hpp"
#include <thread>
#include "RenderDeviceVkImpl.hpp"
namespace Diligent
{
CommandQueueVkImpl::CommandQueueVkImpl(IReferenceCounters* pRefCounters,
std::shared_ptr<VulkanUtilities::VulkanLogicalDevice> LogicalDevice,
uint32_t QueueFamilyIndex) :
// clang-format off
TBase{pRefCounters},
m_LogicalDevice {LogicalDevice},
m_VkQueue {LogicalDevice->GetQueue(QueueFamilyIndex, 0)},
m_QueueFamilyIndex {QueueFamilyIndex},
m_NextFenceValue {1}
// clang-format on
{
}
CommandQueueVkImpl::CommandQueueVkImpl(IReferenceCounters* pRefCounters,
std::shared_ptr<VulkanUtilities::VulkanLogicalDevice> LogicalDevice,
const VkQueue& Queue,
uint32_t QueueFamilyIndex) :
// clang-format off
TBase{pRefCounters},
m_LogicalDevice {LogicalDevice},
m_VkQueue {Queue},
m_QueueFamilyIndex {QueueFamilyIndex},
m_NextFenceValue {1}
// clang-format on
{
}
CommandQueueVkImpl::~CommandQueueVkImpl()
{
// Queues are created along with the logical device during vkCreateDevice.
// All queues associated with the logical device are destroyed when vkDestroyDevice
// is called on that device.
}
Uint64 CommandQueueVkImpl::Submit(const VkSubmitInfo& SubmitInfo)
{
std::lock_guard<std::mutex> Lock{m_QueueMutex};
// Increment the value before submitting the buffer to be overly safe
auto FenceValue = m_NextFenceValue.fetch_add(1);
auto vkFence = m_pFence->GetVkFence();
uint32_t SubmitCount =
(SubmitInfo.waitSemaphoreCount != 0 ||
SubmitInfo.commandBufferCount != 0 ||
SubmitInfo.signalSemaphoreCount != 0) ?
1 :
0;
auto err = vkQueueSubmit(m_VkQueue, SubmitCount, &SubmitInfo, vkFence);
DEV_CHECK_ERR(err == VK_SUCCESS, "Failed to submit command buffer to the command queue");
(void)err;
// We must atomically place the (value, fence) pair into the deque
m_pFence->AddPendingFence(std::move(vkFence), FenceValue);
return FenceValue;
}
Uint64 CommandQueueVkImpl::SubmitCmdBuffer(VkCommandBuffer cmdBuffer)
{
VkSubmitInfo SubmitInfo = {};
SubmitInfo.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO;
SubmitInfo.commandBufferCount = cmdBuffer != VK_NULL_HANDLE ? 1 : 0;
SubmitInfo.pCommandBuffers = &cmdBuffer;
SubmitInfo.waitSemaphoreCount = 0; // the number of semaphores upon which to wait before executing the command buffers
SubmitInfo.pWaitSemaphores = nullptr; // a pointer to an array of semaphores upon which to wait before the command
// buffers begin execution
SubmitInfo.pWaitDstStageMask = nullptr; // a pointer to an array of pipeline stages at which each corresponding
// semaphore wait will occur
SubmitInfo.signalSemaphoreCount = 0; // the number of semaphores to be signaled once the commands specified in
// pCommandBuffers have completed execution
SubmitInfo.pSignalSemaphores = nullptr; // a pointer to an array of semaphores which will be signaled when the
// command buffers for this batch have completed execution
return Submit(SubmitInfo);
}
Uint64 CommandQueueVkImpl::WaitForIdle()
{
std::lock_guard<std::mutex> Lock{m_QueueMutex};
// Update last completed fence value to unlock all waiting events.
auto LastCompletedFenceValue = m_NextFenceValue.fetch_add(1);
// Increment fence before idling the queue
vkQueueWaitIdle(m_VkQueue);
// For some reason after idling the queue not all fences are signaled
m_pFence->Wait(UINT64_MAX);
m_pFence->Reset(LastCompletedFenceValue);
return LastCompletedFenceValue;
}
Uint64 CommandQueueVkImpl::GetCompletedFenceValue()
{
std::lock_guard<std::mutex> Lock{m_QueueMutex};
return m_pFence->GetCompletedValue();
}
void CommandQueueVkImpl::SignalFence(VkFence vkFence)
{
std::lock_guard<std::mutex> Lock{m_QueueMutex};
auto err = vkQueueSubmit(m_VkQueue, 0, nullptr, vkFence);
DEV_CHECK_ERR(err == VK_SUCCESS, "Failed to submit command buffer to the command queue");
(void)err;
}
VkResult CommandQueueVkImpl::Present(const VkPresentInfoKHR& PresentInfo)
{
std::lock_guard<std::mutex> Lock{m_QueueMutex};
return vkQueuePresentKHR(m_VkQueue, &PresentInfo);
}
} // namespace Diligent
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