switch (attribute.usage) {
case Usage.Position:
break; // no-op, we also need a position bound in gles
case Usage.Color:
case Usage.ColorPacked:
gl.glDisableClientState(GL11.GL_COLOR_ARRAY);
break;
case Usage.Normal:
gl.glDisableClientState(GL11.GL_NORMAL_ARRAY);
break;
case Usage.TextureCoordinates: