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NazaraEngine/src/Nazara/VulkanRenderer/VulkanCommandPool.cpp
2021-10-26 14:31:35 +02:00

74 lines
2.6 KiB
C++

// Copyright (C) 2021 Jérôme "Lynix" Leclercq (lynix680@gmail.com)
// This file is part of the "Nazara Engine - Vulkan renderer"
// For conditions of distribution and use, see copyright notice in Config.hpp
#include <Nazara/VulkanRenderer/VulkanCommandPool.hpp>
#include <Nazara/Core/StackVector.hpp>
#include <Nazara/VulkanRenderer/VulkanCommandBuffer.hpp>
#include <Nazara/VulkanRenderer/VulkanCommandBufferBuilder.hpp>
#include <Nazara/VulkanRenderer/Wrapper/CommandBuffer.hpp>
#include <Nazara/VulkanRenderer/Debug.hpp>
namespace Nz
{
CommandBufferPtr VulkanCommandPool::BuildCommandBuffer(const std::function<void(CommandBufferBuilder& builder)>& callback)
{
Vk::AutoCommandBuffer commandBuffer = m_commandPool.AllocateCommandBuffer(VK_COMMAND_BUFFER_LEVEL_PRIMARY);
if (!commandBuffer->Begin(VK_COMMAND_BUFFER_USAGE_SIMULTANEOUS_USE_BIT))
throw std::runtime_error("failed to begin command buffer: " + TranslateVulkanError(commandBuffer->GetLastErrorCode()));
VulkanCommandBufferBuilder builder(commandBuffer.Get());
callback(builder);
if (!commandBuffer->End())
throw std::runtime_error("failed to build command buffer: " + TranslateVulkanError(commandBuffer->GetLastErrorCode()));
for (std::size_t i = 0; i < m_commandPools.size(); ++i)
{
if (m_commandPools[i].freeCommands.TestNone())
continue;
return AllocateFromPool(i, std::move(commandBuffer));
}
// No allocation could be made, time to allocate a new pool
std::size_t newPoolIndex = m_commandPools.size();
AllocatePool();
return AllocateFromPool(newPoolIndex, std::move(commandBuffer));
}
auto VulkanCommandPool::AllocatePool() -> CommandPool&
{
constexpr UInt32 MaxSet = 128;
CommandPool pool;
pool.freeCommands.Resize(MaxSet, true);
pool.storage = std::make_unique<CommandPool::BindingStorage[]>(MaxSet);
return m_commandPools.emplace_back(std::move(pool));
}
void VulkanCommandPool::Release(CommandBuffer& binding)
{
VulkanCommandBuffer& vulkanBinding = static_cast<VulkanCommandBuffer&>(binding);
std::size_t poolIndex = vulkanBinding.GetPoolIndex();
std::size_t bindingIndex = vulkanBinding.GetBindingIndex();
assert(poolIndex < m_commandPools.size());
auto& pool = m_commandPools[poolIndex];
assert(!pool.freeCommands.Test(bindingIndex));
VulkanCommandBuffer* bindingMemory = reinterpret_cast<VulkanCommandBuffer*>(&pool.storage[bindingIndex]);
PlacementDestroy(bindingMemory);
pool.freeCommands.Set(bindingIndex);
// Try to free pool if it's one of the last one
if (poolIndex >= m_commandPools.size() - 1 && poolIndex <= m_commandPools.size())
TryToShrink();
}
}