Currently the OpenGL 1.3 device handily outperforms the OpenGL 2.0 device when rendering UI due to the poor way vertex buffer updates are currently handled. A proper fix that buffers updates and double buffers vertex data should fix this performance gap (~2100 fps vs. 1300 fps).
Currently the OpenGL 1.3 device handily outperforms the OpenGL 2.0 device when rendering UI due to the poor way vertex buffer updates are currently handled. A proper fix that buffers updates and double buffers vertex data should fix this performance gap (~2100 fps vs. 1300 fps).