anonymous/yuzu - yuzu is the world's most popular, open-source, Nintendo Switch emulator — started by the creators of Citra. It is written in C++ with portability in mind,

	Commit message (Collapse)	Author	Age	Files	Lines
*	gl_staging_buffers: Optimization to reduce fence waiting	ameerj	2023-05-28	1	-0/+2
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*	OpenGL: Make use of persistent buffer maps in buffer cache downloads	ameerj	2023-05-28	1	-0/+93
	Persistent buffer maps were already used by the texture cache, this extends their usage for the buffer cache. In my testing, using the memory maps for uploads was slower than the existing "ImmediateUpload" path, so the memory map usage is limited to downloads for the time being.