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++ This is the QtWayland module.
++
++ The QtWayland module consists of two parts:
++
++ Wayland platform plugin:
++ Enables Qt applications to be run as Wayland clients.
++
++ QtWaylandCompositor API:
++ Enables the creation of Wayland compositors using Qt and QtQuick.
++
++ To build the QtWayland module you need the external dependencies:
++ xkbcommon - http://xkbcommon.org/
++
++ QtWaylandCompositor supports loading client buffer integrations that don't use
++ the wayland-egl interfaces. These client buffer integrations are picked up by
++ QtWaylandCompositor as plugins. To specify what plugin to load use the environment
++ variable QT_WAYLAND_CLIENT_BUFFER_INTEGRATION in the environment where the
++ compositor is started. The compositor will broadcast to the clients which
++ hardware integration to load when using the generic platformplugin "wayland". If
++ no client buffer integration is specified, then the wayland-egl plugin will be
++ loaded. Please note that no Weston clients will work if the non standard
++ wayland-egl client buffer integration is used.
++
++ Available client buffer integrations are:
++ wayland-egl (this is the default)
++ linux-dmabuf-v1
++ brcm
++
++ Testing a Qt-based compositor on X11:
++
++ Most QWidget-based applications will use shared memory buffers, which work on
++ all hardware. OpenGL and Qt Quick applications need a way to send graphics
++ memory buffers from client to server. There are many options, and not all
++ options work on all hardware.
++
++ Using wayland-egl requires support from the driver. Intel integrated graphics
++ are supported through the standard Mesa drivers. For NVidia, driver version
++ 364.12 or newer is required, and Qt must be configured with "-opengl es2".
++ Run the compositor as follows:
++
++ QT_XCB_GL_INTEGRATION=xcb_egl QT_WAYLAND_CLIENT_BUFFER_INTEGRATION=wayland-egl ./minimal-qml
++
++ Please note that some NVidia drivers may require early EGL initialization. Qt
++ clients normally use the buffer integration communicated by the compositor.
++ To set the client-side buffer integration manually, run clients with
++ "-platform wayland-egl".
++
++ Shell Integration:
++
++ Some platforms, especially non-desktop ones, use a custom Wayland shell
++ extension. These are tailored to the specific embedded form factor better than
++ the generic wl_shell or xdg_shell extensions that target desktop systems.
++ Custom shell protocols are added through shell integration plugins.
++
++ Which shell integration to use is determined by the QT_WAYLAND_SHELL_INTEGRATION
++ environment variable. If no shell is specified, the default is to try shells in
++ the following order: xdg-shell, xdg-shell-v6, wl-shell and then ivi-shell.
++
++ Example Usage:
++
++ Starting the hellowindow example application (one of the examples for qtbase)
++ with ivi-shell integration:
++
++ QT_WAYLAND_SHELL_INTEGRATION=ivi-shell ./hellowindow -platform wayland
++
++ Available Shell Integrations:
++
++ * ivi-shell
++ * wl-shell (deprecated)
++ * xdg-shell
++ * fullscreen-shell-v1
++