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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 .
The influence of different draw distances (Higher distances show more area.) In computer graphics, draw distance (render distance or view distance) is the maximum distance of objects in a three-dimensional scene that are drawn by the rendering engine.
Direct2D [1] is a 2D vector graphics application programming interface (API) designed by Microsoft and implemented in Windows 10, [2] Windows 8, Windows 7 and Windows Server 2008 R2, and also Windows Vista and Windows Server 2008 (with Platform Update installed).
With the advent of 3D games in the 1990s, a lot of video games simply did not render distant structures or objects. Only nearby objects would be rendered and more distant parts would gradually fade, essentially implementing distance fog. Video games using LOD rendering avoid this fog effect and can render larger areas.
Windows 8 has the same requirements as 7, but it can also use software rendering when compatible video hardware is absent. [ 9 ] Hardware virtualization software that emulate hardware required for DWM include VirtualBox 4.1 and later, VMware Fusion 3.0 and later, and VMware Workstation 7.0 onwards.
DirectX 9.0 introduced Shader Model 2.0, which offered one of the necessary components to enable rendering of high-dynamic-range images: lighting precision was not limited to just 8-bits. Although 8-bits was the minimum in applications, programmers could choose up to a maximum of 24 bits for lighting precision.
Windows Advanced Rasterization Platform (WARP) [1] is a software rasterizer and a component of DirectX graphics runtime in Windows 7 and later. It is available for Windows Vista and Windows Server 2008 through platform update for Windows Vista .
Windows 8.1 retains a per-application option to disable DPI virtualization of an app. [9] Windows 8.1 also adds the ability for each display to use an independent DPI setting, although it calculates this automatically for each display. Windows 8.1 prevents a user from forcibly enabling DPI virtualization of an application.