DescriptorLayoutCache.h

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#pragma once
 
#include <vulkan/vulkan.h>
#include <vector>
#include <unordered_map>
 
class DescriptorLayoutCache
{
public:
 
    void Create();
    void Destroy();
 
    VkDescriptorSetLayout CreateLayout(VkDescriptorSetLayoutCreateInfo* info);
 
    struct DescriptorLayoutInfo
    {
        std::vector<VkDescriptorSetLayoutBinding> mBindings;
 
        bool operator==(const DescriptorLayoutInfo& other) const;
 
        size_t Hash() const;
    };
 
protected:
 
    struct DescriptorLayoutHash
    {
        size_t operator()(const DescriptorLayoutInfo& k) const
        {
            return k.Hash();
        }
    };
 
    std::unordered_map<DescriptorLayoutInfo, VkDescriptorSetLayout, DescriptorLayoutHash> mLayoutMap;
 
};