glCopyConvolutionFilter2D Interface to
OpenGL function glCopyConvolutionFilter2D
usage: glCopyConvolutionFilter2D( target, internalformat, x, y, width, height )
C function: void glCopyConvolutionFilter2D(GLenum target, GLenum internalformat, GLint x, GLint y, GLsizei width, GLsizei height)
Psychtoolbox/PsychOpenGL/MOGL/wrap/glCopyConvolutionFilter2D.m