void attach(FramebufferAttachment attch, Texture2D &tex, unsigned level = 0);
void attach(FramebufferAttachment attch, Texture3D &tex, unsigned layer, unsigned level = 0);
void attach(FramebufferAttachment attch, TextureCube &tex, TextureCubeFace face, unsigned level = 0);
void attach(FramebufferAttachment attch, Texture2D &tex, unsigned level = 0);
void attach(FramebufferAttachment attch, Texture3D &tex, unsigned layer, unsigned level = 0);
void attach(FramebufferAttachment attch, TextureCube &tex, TextureCubeFace face, unsigned level = 0);