code: func DrawTransformFeedbackStreamInstanced(mode uint32, id uint32, stream uint32, instancecount int32) {
  	C.glowDrawTransformFeedbackStreamInstanced(gpDrawTransformFeedbackStreamInstanced, (C.GLenum)(mode), (C.GLuint)(id), (C.GLuint)(stream), (C.GLsizei)(instancecount))
  }
docs: // render multiple instances of primitives using a count derived from a specifed stream of a transform feedback object