Hi all,

I would like to know what the hostmem and blob properties actually do.

"-device virtio-gpu-gl,hostmem=8G,blob=true,venus=true"

The documentation [1] states that the hostmem parameter specifies the size of 
the virtio-gpu host memory window.
Is it related to VRAM in any way, or is it simply host memory that can be 
allocated to the virtio-gpu?
Or is it just memory for a blob storage to enable communication between the 
virtio-gpu and the host GPU?

Thank you in advance.

Markus

[1] https://www.qemu.org/docs/master/system/devices/virtio/virtio-gpu.html


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