Global Variable

GLKTextureLoaderOriginBottomLeft

This key specifies whether the image data should be vertically flipped to match OpenGL’s coordinate system. The value for this key is an NSNumber object that specifies a boolean value. If NO, the image data is not flipped. If YES, the image data is flipped before being loaded. If the key is not specified, the default value is NO.

Declaration

NSString *const GLKTextureLoaderOriginBottomLeft;