code: func ScissorIndexed(index uint32, left int32, bottom int32, width int32, height int32) {
  	C.glowScissorIndexed(gpScissorIndexed, (C.GLuint)(index), (C.GLint)(left), (C.GLint)(bottom), (C.GLsizei)(width), (C.GLsizei)(height))
  }
docs: // define the scissor box for a specific viewport