109 lines
2.2 KiB
C++
109 lines
2.2 KiB
C++
// =============================================
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// Aster: pipeline_utils.h
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// Copyright (c) 2020-2024 Anish Bhobe
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// =============================================
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#pragma once
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#include "global.h"
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#include <EASTL/deque.h>
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#include <EASTL/stack.h>
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struct Device;
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struct Texture;
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struct UniformStorageBuffer;
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struct RenderResourceManager;
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struct Handle
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{
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u32 m_Index;
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};
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struct BufferHandle : Handle
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{
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};
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struct TextureHandle : Handle
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{
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};
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struct FreeList
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{
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eastl::stack<u32, eastl::deque<u32>> m_List;
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u32 m_MaxVisited = 0;
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u32 m_MaxCapacity = 16;
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void
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Init(u32 maxCapacity)
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{
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m_MaxCapacity = maxCapacity;
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}
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[[nodiscard]] u32
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Alloc()
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{
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if (!m_List.empty())
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{
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const u32 value = m_List.top();
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m_List.pop();
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return value;
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}
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if (m_MaxVisited < m_MaxCapacity)
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{
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return m_MaxVisited++;
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}
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ERROR("Out of Handles.") THEN_ABORT(-1);
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}
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void
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Free(u32 index)
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{
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WARN_IF(index >= m_MaxCapacity, "Trying to free an out-of-bounds index.");
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if (index < m_MaxCapacity)
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m_List.push(index);
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}
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};
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struct RenderResourceManager
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{
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private:
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union WriteInfo {
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vk::DescriptorBufferInfo uBufferInfo;
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vk::DescriptorImageInfo uImageInfo;
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vk::BufferView uBufferView;
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explicit WriteInfo(vk::DescriptorBufferInfo info);
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explicit WriteInfo(vk::DescriptorImageInfo info);
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explicit WriteInfo(vk::BufferView info);
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};
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eastl::deque<WriteInfo> m_WriteInfos;
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eastl::vector<vk::WriteDescriptorSet> m_Writes;
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vk::Sampler m_Sampler;
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FreeList m_BufferFreeList;
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FreeList m_TextureFreeList;
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public:
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const Device *m_Device;
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constexpr static u32 BUFFER_BINDING_INDEX = 0;
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constexpr static u32 TEXTURE_BINDING_INDEX = 1;
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vk::DescriptorPool m_DescriptorPool;
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vk::DescriptorSetLayout m_SetLayout;
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vk::DescriptorSet m_DescriptorSet;
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BufferHandle Commit(const UniformStorageBuffer *storageBuffer);
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TextureHandle Commit(const Texture *texture);
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void Update();
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// Ctor/Dtor
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explicit RenderResourceManager(const Device *device, u16 maxSize);
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~RenderResourceManager();
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}; |