c_graphene_point3d_normalize_viewport

Undocumented in source but is binding to C. You might be able to learn more by searching the web for its name.
__gshared extern (C)
void function(graphene_point3d_t* p, graphene_rect_t* viewport, float zNear, float zFar, graphene_point3d_t* res) c_graphene_point3d_normalize_viewport;

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