gl.glActiveTexture(texUnitIndex + GL.GL_TEXTURE0);
gl.glClientActiveTexture(texUnitIndex + GL.GL_TEXTURE0);
}
gl.glDisable(GL2.GL_TEXTURE_1D);
gl.glDisable(GL.GL_TEXTURE_2D);
gl.glDisable(GL2.GL_TEXTURE_3D);
gl.glDisable(GL.GL_TEXTURE_CUBE_MAP);
}
// native method for activating a particular texture unit