Hi, I am wondering if you completely removed the GPU render mode option from desktop AIR? It's still there in mobile AIR, and performs really well on the iPad. However "direct" on desktop performs okay, but not as good as the "GPU" on ipad (which it should be able to outperform).
I can't find any info on this, all the documentation still mentions "GPU" as an option, but it's not there in Flash CS6. And if I change the descriptor file directly, then the options in Flash is changed to "auto" which is cpu and performs poorly.
Any help appreciated, thanks.
My understanding is that GPU mode is deprecated on Desktop. Adobe intends that you to use Direct and switch your rendering pipelines to Stage3D/Starling in order to get desktop performance AFAIK.