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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.
Proprietary graphics drivers (e.g., Nvidia GeForce driver and Catalyst) replace all of Mesa, providing their own implementation of a graphics API. An open-source effort to write a Mesa Nvidia driver called Nouveau is developed mostly by the community.
In July 2014, Nouveau was unable to outperform the Nvidia GeForce driver due to missing re-clocking support. Tegra-re is a project which is working to reverse-engineer nVidia's VLIW -based Tegra series of GPUs that predate Tegra K1.
The VDPAU interface is to be implemented by device drivers, such as the Nvidia GeForce driver, nouveau, or amdgpu, to offer end-user software, such as VLC media player or GStreamer, a standardized access to available video decompression acceleration hardware in the form of application-specific integrated circuit (ASIC) blocks on graphics ...
The proprietary nature of Nvidia's drivers has generated dissatisfaction within free-software ... Support for Nvidia's firmware was implemented in nouveau in 2023, ...
As Nvidia did not release all the needed documentation for its graphics chip, development proceeded under the nouveau project, which uses reverse engineering to build a working open-source driver for Nvidia cards. Nouveau was accepted in version 2.6.33 of the kernel, released on December 10, 2009.
There are currently three X11 Nvidia drivers available: a 2D-only open source but obfuscated driver maintained by Nvidia called nv, a proprietary binary driver by Nvidia, and an open source driver based on reverse engineering of the binary driver developed by the Linux community called Nouveau.
Support for PureVideo has been available in Nvidia's proprietary driver version 180 since October 2008 through VDPAU. [2] Since April 2013 [citation needed] nouveau also supports PureVideo hardware and provides access to it through VDPAU and partly through XvMC.