Function create

kernels/subdiv/patch.h:241–259

    
    template<typename Allocator>
      __noinline static Ref create(const Allocator& alloc, const HalfEdge* edge, const char* vertices, size_t stride)
    {
      if (PATCH_MAX_CACHE_DEPTH == 0) 
        return nullptr;

      Ref child(0);
      switch (edge->patch_type) {
      case HalfEdge::BILINEAR_PATCH:       child = BilinearPatch::create(alloc,edge,vertices,stride); break; 
      case HalfEdge::REGULAR_QUAD_PATCH:   child = RegularPatch::create(alloc,edge,vertices,stride); break;
#if PATCH_USE_GREGORY == 2
      case HalfEdge::IRREGULAR_QUAD_PATCH: child = GregoryPatch::create(alloc,edge,vertices,stride); break;
#endif
      default: {
        GeneralCatmullClarkPatch patch(edge,vertices,stride);
        child = PatchT::create(alloc,patch,edge,vertices,stride,0);
      }
      }
      return child;
    }

    template<typename Allocator>
    __noinline static Ref create(const Allocator& alloc, GeneralCatmullClarkPatch& patch, const HalfEdge* edge, const char* vertices, size_t stride, size_t depth)