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Windows Advanced Rasterization Platform

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Windows Advanced Rasterization Platform (WARP) is a software rasterizer device that is a component of Windows Graphics runtime in Windows 7 and Windows Server 2008 R2, Windows 8 and Windows Server 2012 and Windows Vista, as well as Windows Server 2008 (with Platform Update installed).

WARP can be used when no compatible hardware is available, in kernel mode applications or in a headless environment, or for remote rendering of Direct2D/DirectWrite for Remote Desktop Connection clients.

WARP is a full-featured Direct3D 10.1 renderer device with performance on par with current low-level graphics cards, such as Intel GMA 3000,[1] when running on multi-core CPUs.[2] To achieve this level of rendering performance, WARP employs advanced techniques such as just-in-time compilation to x86 machine code and support for advanced vector extensions such as SSE2 and SSE4.1.

WARP supports Direct3D 11 runtime and is compatible with feature levels 10_1, 10_0, 9_3, 9_2, and 9_1; in Direct3D 11.1 runtime, WARP additionally supports feature levels 11_0 and 11_1. [3]

In Windows 8, WARP provides functionality for the "Microsoft Basic Display Adapter" which replaces kernel-mode VGA driver.

References

  1. ^ Sarah Gingichashvili (2008-12-10). "Windows 7 Brings Software Based Graphics". The Future of Things.
  2. ^ Andy Glaister (November 2008). "Windows Advanced Rasterization Platform (WARP) Guide - WARP Architecture and Performance".
  3. ^ Chuck Walbourn (June 20, 2012). "Direct3D Feature Levels". Games for Windows and the DirectX SDK Blog.
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