code: func CopyBufferSubData(readTarget uint32, writeTarget uint32, readOffset int, writeOffset int, size int) {
  	C.glowCopyBufferSubData(gpCopyBufferSubData, (C.GLenum)(readTarget), (C.GLenum)(writeTarget), (C.GLintptr)(readOffset), (C.GLintptr)(writeOffset), (C.GLsizeiptr)(size))
  }
docs: // copy all or part of the data store of a buffer object to the data store of another buffer object