Network transparency with Wayland

From: GSOC 2019 – M. Stoeckl’s website :

A 1024 by 768 SuperTuxKart window during a race, running with linear-format DMABUFs, losslessly replicated without compression via ssh on localhost, requires about 130MB/s of bandwidth and runs at about 40 FPS. (Using LZ4 or Zstd for compression would reduce bandwidth, but on localhost or a very fast network would take more time than would be saved by the bandwidth reduction.) Using the new --hwvideo flag to enable VAAPI encoding and decoding with a generation 8 Intel iGPU, the framerate goes up to 80 FPS, and bandwidth drops to 4 MB/second.

Impressive, pretty impressive!

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