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https://gitea.wildfiregames.com/0ad/0ad
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157c6af18e
Avoid cases of filenames Update years in terms and other legal(ish) documents Don't update years in license headers, since change is not meaningful Will add linter rule in seperate commit Happy recompiling everyone! Original Patch By: Nescio Comment By: Gallaecio Differential Revision: D2620 This was SVN commit r27786.
140 lines
4.5 KiB
C++
140 lines
4.5 KiB
C++
/* Copyright (C) 2023 Wildfire Games.
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* This file is part of 0 A.D.
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*
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* 0 A.D. is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* 0 A.D. is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef INCLUDED_RENDERER_BACKEND_VULKAN_DESCRIPTORMANAGER
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#define INCLUDED_RENDERER_BACKEND_VULKAN_DESCRIPTORMANAGER
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#include "renderer/backend/Sampler.h"
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#include "renderer/backend/vulkan/Texture.h"
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#include <glad/vulkan.h>
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#include <limits>
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#include <memory>
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#include <unordered_map>
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#include <utility>
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#include <vector>
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namespace Renderer
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{
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namespace Backend
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{
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namespace Vulkan
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{
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class CDevice;
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class CDescriptorManager
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{
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public:
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CDescriptorManager(CDevice* device, const bool useDescriptorIndexing);
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~CDescriptorManager();
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bool UseDescriptorIndexing() const { return m_UseDescriptorIndexing; }
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/**
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* @return a single type descriptor set layout with the number of bindings
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* equals to the size. The returned layout is owned by the manager.
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*/
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VkDescriptorSetLayout GetSingleTypeDescritorSetLayout(
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VkDescriptorType type, const uint32_t size);
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VkDescriptorSet GetSingleTypeDescritorSet(
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VkDescriptorType type, VkDescriptorSetLayout layout,
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const std::vector<CTexture::UID>& texturesUID,
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const std::vector<CTexture*>& textures);
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uint32_t GetUniformSet() const;
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uint32_t GetTextureDescriptor(CTexture* texture);
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void OnTextureDestroy(const CTexture::UID uid);
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const VkDescriptorSetLayout& GetDescriptorIndexingSetLayout() const { return m_DescriptorIndexingSetLayout; }
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const VkDescriptorSetLayout& GetUniformDescriptorSetLayout() const { return m_UniformDescriptorSetLayout; }
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const VkDescriptorSet& GetDescriptorIndexingSet() { return m_DescriptorIndexingSet; }
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const std::vector<VkDescriptorSetLayout>& GetDescriptorSetLayouts() const { return m_DescriptorSetLayouts; }
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private:
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struct SingleTypePool
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{
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VkDescriptorSetLayout layout;
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VkDescriptorPool pool;
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int16_t firstFreeIndex = 0;
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static constexpr int16_t INVALID_INDEX = -1;
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struct Element
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{
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VkDescriptorSet set = VK_NULL_HANDLE;
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uint32_t version = 0;
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int16_t nextFreeIndex = INVALID_INDEX;
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};
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std::vector<Element> elements;
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};
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SingleTypePool& GetSingleTypePool(const VkDescriptorType type, const uint32_t size);
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CDevice* m_Device = nullptr;
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bool m_UseDescriptorIndexing = false;
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VkDescriptorPool m_DescriptorIndexingPool = VK_NULL_HANDLE;
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VkDescriptorSet m_DescriptorIndexingSet = VK_NULL_HANDLE;
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VkDescriptorSetLayout m_DescriptorIndexingSetLayout = VK_NULL_HANDLE;
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VkDescriptorSetLayout m_UniformDescriptorSetLayout = VK_NULL_HANDLE;
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std::vector<VkDescriptorSetLayout> m_DescriptorSetLayouts;
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static constexpr uint32_t DESCRIPTOR_INDEXING_BINDING_SIZE = 16384;
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static constexpr uint32_t NUMBER_OF_BINDINGS_PER_DESCRIPTOR_INDEXING_SET = 3;
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struct DescriptorIndexingBindingMap
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{
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static_assert(std::numeric_limits<int16_t>::max() >= DESCRIPTOR_INDEXING_BINDING_SIZE);
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int16_t firstFreeIndex = 0;
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std::vector<int16_t> elements;
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std::unordered_map<CTexture::UID, int16_t> map;
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};
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std::array<DescriptorIndexingBindingMap, NUMBER_OF_BINDINGS_PER_DESCRIPTOR_INDEXING_SET>
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m_DescriptorIndexingBindings;
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std::unordered_map<CTexture::UID, uint32_t> m_TextureToBindingMap;
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std::unordered_map<VkDescriptorType, std::vector<SingleTypePool>> m_SingleTypePools;
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struct SingleTypePoolReference
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{
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VkDescriptorType type = VK_DESCRIPTOR_TYPE_MAX_ENUM;
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uint32_t version = 0;
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int16_t elementIndex = SingleTypePool::INVALID_INDEX;
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uint8_t size = 0;
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};
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std::unordered_map<CTexture::UID, std::vector<SingleTypePoolReference>> m_TextureSingleTypePoolMap;
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using SingleTypeCacheKey = std::pair<VkDescriptorSetLayout, std::vector<CTexture::UID>>;
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struct SingleTypeCacheKeyHash
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{
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size_t operator()(const SingleTypeCacheKey& key) const;
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};
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std::unordered_map<SingleTypeCacheKey, VkDescriptorSet, SingleTypeCacheKeyHash> m_SingleTypeSets;
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std::unique_ptr<ITexture> m_ErrorTexture;
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};
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} // namespace Vulkan
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} // namespace Backend
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} // namespace Renderer
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#endif // INCLUDED_RENDERER_BACKEND_VULKAN_DESCRIPTORMANAGER
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