[libvirt] [PATCH v4 04/10] qemu: Introduce a new graphics display type 'headless'

[Ján Tomko]

On Wed, Jul 18, 2018 at 02:31:40PM +0200, Erik Skultety wrote:
>Since 2.10 QEMU supports a new display type egl-headless which uses the
>drm nodes for OpenGL rendering copying back the rendered bits back to
>QEMU into a dma-buf which can be accessed by standard "display" apps
>like VNC or SPICE. Although this display type can be used on its own,
>for any practical use case it makes sense to pair it with either VNC or
>SPICE display. The clear benefit of this display is that VNC gains
>OpenGL support, which it natively doesn't have, and SPICE gains remote
>OpenGL support (native OpenGL support only works locally through a UNIX
>socket, i.e. listen type=socket/none)
>
>Signed-off-by: Erik Skultety <eskultet at redhat.com>
>---
> docs/formatdomain.html.in                          | 33 +++++++++++-
> docs/schemas/domaincommon.rng                      |  3 ++
> src/conf/domain_conf.c                             |  6 ++-
> src/conf/domain_conf.h                             |  1 +
> src/libxl/libxl_conf.c                             |  1 +
> src/qemu/qemu_command.c                            | 14 ++++-
> src/qemu/qemu_domain.c                             | 60 +++++++++++++++++++++-
> src/qemu/qemu_driver.c                             |  2 +
> src/qemu/qemu_hotplug.c                            |  1 +
> src/qemu/qemu_process.c                            |  4 ++
> src/vmx/vmx.c                                      |  1 +
> tests/domaincapsschemadata/full.xml                |  1 +
> tests/qemuxml2argvdata/graphics-egl-headless.args  | 26 ++++++++++
> tests/qemuxml2argvdata/graphics-egl-headless.xml   | 31 +++++++++++
> .../qemuxml2argvdata/graphics-sdl-egl-headless.xml | 35 +++++++++++++
> .../graphics-spice-egl-headless.args               | 31 +++++++++++
> .../graphics-spice-egl-headless.xml                | 36 +++++++++++++
> .../graphics-spice-invalid-egl-headless.xml        | 37 +++++++++++++
> .../graphics-vnc-egl-headless.args                 | 28 ++++++++++
> .../qemuxml2argvdata/graphics-vnc-egl-headless.xml | 37 +++++++++++++
> tests/qemuxml2argvtest.c                           | 17 ++++++
> .../graphics-spice-egl-headless.xml                | 44 ++++++++++++++++
> .../graphics-vnc-egl-headless.xml                  | 42 +++++++++++++++
> tests/qemuxml2xmltest.c                            |  2 +
> 24 files changed, 488 insertions(+), 5 deletions(-)
> create mode 100644 tests/qemuxml2argvdata/graphics-egl-headless.args
> create mode 100644 tests/qemuxml2argvdata/graphics-egl-headless.xml
> create mode 100644 tests/qemuxml2argvdata/graphics-sdl-egl-headless.xml
> create mode 100644 tests/qemuxml2argvdata/graphics-spice-egl-headless.args
> create mode 100644 tests/qemuxml2argvdata/graphics-spice-egl-headless.xml
> create mode 100644 tests/qemuxml2argvdata/graphics-spice-invalid-egl-headless.xml
> create mode 100644 tests/qemuxml2argvdata/graphics-vnc-egl-headless.args
> create mode 100644 tests/qemuxml2argvdata/graphics-vnc-egl-headless.xml
> create mode 100644 tests/qemuxml2xmloutdata/graphics-spice-egl-headless.xml
> create mode 100644 tests/qemuxml2xmloutdata/graphics-vnc-egl-headless.xml
>

Reviewed-by: Ján Tomko <jtomko at redhat.com>

Jano
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