58 lines
1.6 KiB
C++
58 lines
1.6 KiB
C++
// Copyright (C) 2024 Jérôme "SirLynix" Leclercq (lynix680@gmail.com)
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// This file is part of the "Nazara Engine - OpenGL renderer"
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// For conditions of distribution and use, see copyright notice in Export.hpp
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#pragma once
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#ifndef NAZARA_OPENGLRENDERER_OPENGLUPLOADPOOL_HPP
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#define NAZARA_OPENGLRENDERER_OPENGLUPLOADPOOL_HPP
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#include <NazaraUtils/Prerequisites.hpp>
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#include <Nazara/OpenGLRenderer/Export.hpp>
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#include <Nazara/Renderer/UploadPool.hpp>
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#include <NazaraUtils/MovablePtr.hpp>
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#include <array>
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#include <memory>
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#include <vector>
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namespace Nz
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{
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class NAZARA_OPENGLRENDERER_API OpenGLUploadPool : public UploadPool
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{
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public:
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inline OpenGLUploadPool(UInt64 blockSize);
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OpenGLUploadPool(const OpenGLUploadPool&) = delete;
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OpenGLUploadPool(OpenGLUploadPool&&) noexcept = default;
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~OpenGLUploadPool() = default;
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Allocation& Allocate(UInt64 size) override;
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Allocation& Allocate(UInt64 size, UInt64 alignment) override;
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void Reset() override;
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OpenGLUploadPool& operator=(const OpenGLUploadPool&) = delete;
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OpenGLUploadPool& operator=(OpenGLUploadPool&&) = 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<Allocation, AllocationPerBlock>;
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struct Block
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{
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std::vector<UInt8> memory;
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UInt64 freeOffset = 0;
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UInt64 size;
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};
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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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UInt64 m_blockSize;
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};
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}
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#include <Nazara/OpenGLRenderer/OpenGLUploadPool.inl>
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#endif // NAZARA_OPENGLRENDERER_OPENGLUPLOADPOOL_HPP
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