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Use Alpine's qemu "pmbootstrap qemu"

Administrator requested to merge Decatf:alpine-qemu into master

Created by: Decatf

Use Alpine's QEMU rather than the host system QEMU (as described in issue #1158 (closed)). The QEMU GTK/SDL version and Spice version are working as previously.

This also partially addresses #534. It forks Alpine's QEMU with two changes:

  • Compile with virglrenderer
  • Add patch to use QEMU_MODDIR env variable as a search path for QEMU modules which is required for GTK and SDL display.

There are two new pmbootstrap --device and --vga arguments which are passed to qemu's equivalent args. The virgl renderer is a buggy from my testing. These two parameters are the relevant ones used for testing virgl. Run it with:

pmbootstrap qemu --display sdl,gl=on --device (virtio-vga|virtio-gpu-pci),virgl=on --vga virtio

Sometimes it's useful to omit one or the other argument depending on the graphical environment I've had different results depending on which.

[x] Merge on GitHub (see https://postmarketos.org/merge)

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