I can see how you can replace a chain of transformations into one matrix in order to save redo-ing the matrix multiplication, but this would work only if we manually save the matrix, right? (Would applying rotate/scale using openGL save the product of a series of transformations?)

I can see how you can replace a chain of transformations into one matrix in order to save redo-ing the matrix multiplication, but this would work only if we manually save the matrix, right? (Would applying rotate/scale using openGL save the product of a series of transformations?)