Search results
Results from the WOW.Com Content Network
In computing, a screen buffer is a part of computer memory used by a computer application for the representation of the content to be shown on the computer display. [3] The screen buffer may also be called the video buffer, the regeneration buffer, or regen buffer for short. [4] Screen buffers should be distinguished from video memory.
Text mode is a computer display mode in which content is internally represented on a computer screen in terms of characters rather than individual pixels.Typically, the screen consists of a uniform rectangular grid of character cells, each of which contains one of the characters of a character set; at the same time, contrasted to graphics mode or other kinds of computer graphics modes.
The VGA text buffer is located at physical memory address 0xB8000. [14] Since this address is usually used by 16-bit x86 processes operating in real-mode, it is also the first half of memory segment 0xB800. The text buffer data can be read and written, and bitwise operations can be applied. A part of text buffer memory above the scope of the ...
A display list, also called a command list in Direct3D 12 and a command buffer in Vulkan, is a series of graphics commands so that they may be later run when the list is executed. [1] Systems that make use of display list functionality are called retained mode systems, while systems that do not are as opposed to immediate mode systems.
Using a dedicated buffer for rendering and copying the result to the screen buffer when finished. This prevents stutter on the screen and the user seeing rendering in progress. Drawcall A single rendering command submitted to a rendering API, referring to a single set of render states.
As a scene is drawn, drawing primitives (the basic elements of graphics output, such as points, lines, circles, text etc. [1]) are rasterized into fragments which are textured and combined with the existing frame buffer. How a fragment is combined with the data already in the frame buffer depends on various settings.
At any one time, one buffer is actively being displayed by the monitor, while the other, background buffer is being drawn. When the background buffer is complete, the roles of the two are switched. The page-flip is typically accomplished by modifying a hardware register in the video display controller —the value of a pointer to the beginning ...
When viewed on a CRT television screen (the standard at the time), the flicker is less noticeable than on a modern monitor. And example image is linked here (warning: the linked image flickers very rapidly, which could potentially cause seizures in people with photosensitive epilepsy). Interlaced highres monochrome ZX Spectrum image.