foray_geometrymetabuffer.hpp

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#pragma once
#include "../core/foray_managedbuffer.hpp"
#include "foray_as_declares.hpp"
#include <unordered_map>
#include <unordered_set>
 
namespace foray::as {
    struct GeometryMeta
    {
        int32_t MaterialIndex = 0;
        uint32_t IndexBufferOffset = 0U;
    };
 
    class GeometryMetaBuffer
    {
      public:
        const std::unordered_map<const Blas*, uint32_t>& CreateOrUpdate(core::Context* context, const std::unordered_set<const Blas*>& entries);
 
        FORAY_GETTER_CR(Buffer)
        FORAY_GETTER_MR(BufferOffsets)
 
        inline VkDescriptorBufferInfo GetVkDescriptorInfo() const { return mBuffer.GetVkDescriptorBufferInfo(); }
 
      protected:
        core::Context* mContext = nullptr;
        std::unordered_map<const Blas*, uint32_t> mBufferOffsets;
        core::ManagedBuffer mBuffer;
    };
}  // namespace foray::as