[pjmlp]

Those APIs aren't available from the NDK, without an extra JNI performance hit.

Also I bet they don't behave 100% the same way, in regards to timing, across devices.

In graphics programming at the level Carmack develops, every ms counts.

[Camillo]

He explicitly said he was using SurfaceTexture. That is a Java API, there is no SurfaceTexture in the NDK.

[pjmlp]

Somehow I don't see him using Java, but if he said so, then ok.