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GNOME 3.32 Will Do A Better Job Picking The Primary GPU - Helping Out USB Displays, Etc

Submitted by Roy Schestowitz on Sunday 13th of January 2019 01:37:52 PM Filed under
GNOME

The work around better GPU/infrastructure handling for GNOME 3.32 continues with the most recent work merged this weekend being for better handling by Mutter over deciding the primary GPU of the system in multi-GPU systems whether it be multiple graphics cards, notebooks with dual GPUs, or systems with a USB-based external display adapter.

Emilio Pozuelo Monfort of Collabora has been working on a primary GPU rework to better decide how GNOME chooses the primary GPU of the system. The primary change of this work appears to be ensuring that the primary GPU is capable of hardware rendering and that Mutter doesn't accidentally choose a GPU only backed by LLVMpipe or other software renderer. There is also a new fallback for CPU-based copying from secondary GPUs with a software renderer, which is said to provide better performance and help with synchronization.

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