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When developing an AIR app for mobile application can someone explain to me the differences between using renderMode = GPU vs renderMODE = direct and when you would use either?
Please feel free to correct me but this is my understanding.
There are 2 components in the display pipeline
There are 3 renderModes possible with Flash/AIR
With CPU, BOTH Compositing and Rendering are handled by the CPU/software.
With GPU, Compositing is handled by the GPU/hardware and Rendering is still handled by CPU/software
DIRECT is the opposite of GPU mode in that Compositing is handled by the CPU/software and Rendering is handled by the GPU/hardware.
GPU mode benefits most from partial blitting, CPU mode from stage blitting and benefits from DIRECT mode come only if targeting Stage3D, either directly or indirectly via a framework like Starling or Away3D.
Conversely if targeting Stage3D, you must use renderMode=DIRECT