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Re: [PATCH 00/11] Add support for Blob resources feature

From: Gerd Hoffmann
Subject: Re: [PATCH 00/11] Add support for Blob resources feature
Date: Wed, 14 Apr 2021 11:45:02 +0200


> Any other ideas as to how to eliminate that Blit cleanly?

Well, "cleanly" pretty much implies "supported by toolkit".

gtk glarea for example sets up a framebuffer and expects the application
render to that framebuffer.  So qemu glarea code does a fb-to-fb blit.

Other reasons are scaling and cursor rendering.  Not all reasons apply
to all UIs.  I think when using spice qemu doesn't blit (not fully sure
what happens inside spice-server), but it could very well be that the
spice-client does the blit instead, i.e. we just shift the issue to
another place ...

take care,

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