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In computing, hardware overlay, a type of video overlay, provides a method of rendering an image to a display screen with a dedicated memory buffer inside computer video hardware. The technique aims to improve the display of a fast-moving video image — such as a computer game, a DVD, or the signal from a TV card. Most video cards manufactured since about 1998 and most media players support hardware overlay.[1]
The overlay is a dedicated buffer into which one app can render (typically video), without incurring the significant performance cost of checking for clipping and overlapping rendering by other apps. The framebuffer has hardware support for importing and rendering the buffer contents without going through the GPU.[citation needed]
In computing, hardwareoverlay, a type of video overlay, provides a method of rendering an image to a display screen with a dedicated memory buffer inside...
images can be captured is to turn off the hardwareoverlay. Because many computers have no hardwareoverlay, most programs are built to work without it...
of another network Video overlay, techniques to display video on computer display Hardwareoverlay, one type of video overlay that uses memory dedicated...
awkwardness of adding additional analog hardware signal processing path, this method is now little used. Some video overlay devices write the digital video signal...
image. The only way to do this is usually to employ a post processed hardwareoverlay, using chroma keying. After all of the windows have already been drawn...
vendors, ATI and NVIDIA provided full Vista-compatible ICDs. However, hardwareoverlay is not supported, because it is considered as an obsolete feature in...
scene to be rendered at lower resolutions and then composited via hardwareoverlay with other parts rendered at higher resolution. DirectX 11.X is a superset...
is automatically disabled by Windows in order to perform hardwareoverlay through the Overlay Mixer Filter. The compositing approach makes it easier to...
and used as an overlay for its predecessors. New data is written to the topmost overlay; reading existing data, however, needs the overlay hierarchy to...
display modes. However, many CAD and video editing applications use hardwareoverlay, combined with the programmable palette, to ensure the user interface...
uses hardware acceleration if it is available on the client's computer. DirectDraw allows direct access to video memory, hardwareoverlays, hardware blitters...
display controller supports hardware cursor overlays, or secondary planes if it's able to scan out from additional hardwareoverlays and compose or blend "on...
(main) memory". The computer's operating system, using a combination of hardware and software, maps memory addresses used by a program, called virtual addresses...
failures and flooding. An overlay network is a virtual network that is built on top of another network. Nodes in the overlay network are connected by virtual...
endpoints (VTEPs). VXLAN is an evolution of efforts to standardize on an overlay encapsulation protocol. Compared to single-tagged IEEE 802.1Q VLANs which...
display rate. Most GPUs made since 1995 support the YUV color space and hardwareoverlays, important for digital video playback, and many GPUs made since 2000...
Configuration Overlay, the tool does not remove either an HPA or a DCO. The tool did not acquire sectors hidden by an HPA." A variety of hardware imaging tools...
Mixed hardware-to-software keyboard extensions exist to overcome the above discrepancies between functional and visual layouts. A keyboard overlay is a...
An overlay keyboard or concept keyboard is a specialized keyboard with no preset keys. Each key can be programmed with a wide range of different functions...
with packing and overlays in the style of the original commercially released games, others with varying degrees of packaging. New hardware has also been...
their official application programming interface (API) levels. The main hardware platform for Android is the 64-bit ARM architecture (i.e. ARMv8-A; previously...
tile (text overlay): 16 (4 bits per pixel) Maximum number of objects: 1024, with hardware scaling Scroll faces: 4 regular + 1 text overlay 'score screen'...
Hardware keyloggers are used for keystroke logging, a method of capturing and recording computer users' keystrokes, including sensitive passwords. They...
Silicon Graphics hardware includes overlay planes to provide a hardwareoverlay. Initial efforts by Todd Newman to implement overlay plane support in...
used as moveable "overlay" planes. Another 2 hardware colormaps become available, providing 2 for the image planes and 2 for the overlay planes. The EG features...
of a physical computer. Their implementations may involve specialized hardware, software, or a combination of the two. Virtual machines differ and are...
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