66 lines
1.8 KiB
C++
66 lines
1.8 KiB
C++
// Copyright (C) 2021 Jérôme "Lynix" Leclercq (lynix680@gmail.com)
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// This file is part of the "Nazara Engine - Vulkan renderer"
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// For conditions of distribution and use, see copyright notice in Config.hpp
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#pragma once
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#ifndef NAZARA_VULKANRENDERER_VULKANUPLOADPOOL_HPP
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#define NAZARA_VULKANRENDERER_VULKANUPLOADPOOL_HPP
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#include <Nazara/Prerequisites.hpp>
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#include <Nazara/Core/MovablePtr.hpp>
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#include <Nazara/Renderer/UploadPool.hpp>
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#include <Nazara/VulkanRenderer/Wrapper/Buffer.hpp>
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#include <Nazara/VulkanRenderer/Wrapper/DeviceMemory.hpp>
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#include <optional>
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#include <vector>
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namespace Nz
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{
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class NAZARA_VULKANRENDERER_API VulkanUploadPool : public UploadPool
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{
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public:
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struct VulkanAllocation : Allocation
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{
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VkBuffer buffer;
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UInt64 offset;
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};
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inline VulkanUploadPool(Vk::Device& device, UInt64 blockSize);
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VulkanUploadPool(const VulkanUploadPool&) = delete;
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VulkanUploadPool(VulkanUploadPool&&) noexcept = default;
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~VulkanUploadPool() = default;
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VulkanAllocation& Allocate(UInt64 size) override;
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VulkanAllocation& Allocate(UInt64 size, UInt64 alignment) override;
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void Reset() override;
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VulkanUploadPool& operator=(const VulkanUploadPool&) = delete;
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VulkanUploadPool& operator=(VulkanUploadPool&&) = delete;
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private:
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static constexpr std::size_t AllocationPerBlock = 2048;
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using AllocationBlock = std::array<VulkanAllocation, AllocationPerBlock>;
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struct Block
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{
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Vk::DeviceMemory blockMemory;
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Vk::Buffer buffer;
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UInt64 freeOffset = 0;
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UInt64 size;
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};
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UInt64 m_blockSize;
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Vk::Device& m_device;
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std::size_t m_nextAllocationIndex;
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std::vector<std::unique_ptr<AllocationBlock>> m_allocationBlocks;
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std::vector<Block> m_blocks;
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};
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}
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#include <Nazara/VulkanRenderer/VulkanUploadPool.inl>
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#endif // NAZARA_VULKANRENDERER_VULKANUPLOADPOOL_HPP
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