SkinningBackend.hpp

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#pragma once
 
#include "CharacterRig.hpp"
#include "SkinVertex.hpp"
 
#include <glm/glm.hpp>
#include <vector>

class ISkinningBackend
{
public:
    virtual ~ISkinningBackend() = default;

    virtual void skin(const std::vector<glm::mat4>& skinMats,
                      const std::vector<ModelVertex>& baseVerts,
                      const std::vector<SkinWeight>& weights,
                      std::vector<ModelVertex>& outVerts) const = 0;
};

class CpuLbsSkinningBackend : public ISkinningBackend
{
public:
    void skin(const std::vector<glm::mat4>& skinMats,
              const std::vector<ModelVertex>& baseVerts,
              const std::vector<SkinWeight>& weights,
              std::vector<ModelVertex>& outVerts) const override;
};