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Knoppix booting on the framebuffer. The Linux framebuffer (fbdev) is a linux subsystem used to show graphics on a computer monitor, typically on the system console. [1]It was designed as a hardware-independent API to give user space software access to the framebuffer (the part of a computer's video memory containing a current video frame) using only the Linux kernel's own basic facilities and ...
DirectFB (Direct Frame Buffer), now continued as DirectFB2, is a software library with a small memory footprint that provides graphics acceleration, input device handling and abstraction layer, and integrated windowing system with support for translucent windows and multiple display layers on top of the Linux framebuffer without requiring any kernel modifications.
The Direct Rendering Infrastructure (DRI) is the framework comprising the modern Linux graphics stack which allows unprivileged user-space programs to issue commands to graphics hardware without conflicting with other programs. [6] The main use of DRI is to provide hardware acceleration for the Mesa implementation of OpenGL.
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.
Xvfb or X virtual framebuffer is a display server implementing the X11 display server protocol. In contrast to other display servers, Xvfb performs all graphical operations in virtual memory without showing any screen output.
Direct Graphics Access, e.g. on top of the Linux framebuffer. Direct Graphics Access is a plug-in for the X display servers that allows client programs direct access to the frame buffer. Graphics hardware communicates via a chunk of memory called a frame buffer. This is an array of values that represent pixel color values on the screen.
Running hwinfo --framebuffer reports graphics information, including VESA modes on a "Mode" line. mdt is a Linux or DOS tool that uses VESA BIOS functions to read monitor data. [11] The Linux Real Mode Interface (LRMI) has a vbetest program that prints out VESA info. SciTech Software had a unrelated vbetest for DOS that dates back to 1994.
The GGI framework is implemented by a set of portable user-space libraries, with an array of different backends or targets (e.g. Linux framebuffer, X11, Quartz, DirectX), of which the two most fundamental are LibGII (for input-handling) and LibGGI (for graphical output). All other packages add features to these core libraries, and so depend on ...