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The xf86-video-modesetting package, the Debian-package being called xserver-xorg-video-modesetting, was retired, and the generic modesetting DDX it contained was moved into the server package to become the KMS-enabled default DDX, supporting the vast majority of AMD, Intel and NVidia GPUs.
The source code is available in the Nvidia Linux driver downloads on systems that support nvidia-uvm.ko. In May 2022, Nvidia announced a new initiative and policy to open source its GPU Loadable Kernel Modules with dual GPL/MIT license, but only new models at alpha quality. But said "These changes are for the kernel modules, while the user-mode ...
There are two graphics hardware drivers: one resides inside of the X display server.There have been several designs of this driver. The current one splits it in two portions: DIX (Device-Independent X) and DDX (Device-Dependent X) Glamor will simplify the X server, and libGL-fglrx-glx [needs update] could use the libDRM of the radeon open-source driver instead of the proprietary binary blob.
In the middle: the FOSS stack, composed out of DRM & KMS driver, libDRM and Mesa 3D.Right side: Proprietary drivers: Kernel BLOB and User-space components. nouveau (/ n uː ˈ v oʊ /) is a free and open-source graphics device driver for Nvidia video cards and the Tegra family of SoCs written by independent software engineers, with minor help from Nvidia employees.
The Direct Rendering Manager (DRM) is a subsystem of the Linux kernel responsible for interfacing with GPUs of modern video cards.DRM exposes an API that user-space programs can use to send commands and data to the GPU and perform operations such as configuring the mode setting of the display.
The XAA/EXA/UXA/SNA APIs are for the 2D graphics drivers inside the X server.Note, that modern software uses direct rendering. Glamor obsoletes DDX, here with XWayland.. In computing, EXA is a graphics acceleration architecture of the X.Org Server (see also X Window System) designed to replace XAA (the XFree86 Acceleration Architecture) [1] and to make the XRender extension more usable, with ...
Xephyr is a display server software implementing the X11 display server protocol based on KDrive which targets a window on a host X Server as its framebuffer. It is written by Matthew Allum. Xephyr is an X-on-X implementation and runs on X.Org Server and can work with Glamor. [1] Future versions could make use of libinput.
Version 4.0 also moved to a new driver model, from one X server binary per driver to a unique X server capable of loading several drivers at a time. Because the server usually needs low level access to graphics hardware, on many configurations it needs to run as the superuser, or a user with UID 0. However, on some systems and configurations it ...