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