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DirectX Graphics Infrastructure

From Wikipedia, the free encyclopedia
User-mode component of Microsoft Windows
This article needs to beupdated. Please help update this article to reflect recent events or newly available information.(August 2014)

DirectX Graphics Infrastructure (DXGI)[1] is a user-mode component ofMicrosoft Windows (forWindows Vista and above) which provides a mapping between particular graphics APIs such asDirect3D 10.0 and above (known in DXGI parlance as producers) and the graphics kernel, which in turn interfaces with the user-modeWindows Display Driver Model driver. DXGI provides objects for tasks such as enumerating graphics adapters and monitors, enumerating display modes, choosing buffer formats, sharing resources between processes (such as between applications and theDesktop Window Manager), and presenting rendered frames to a window or monitor for display.

Both Direct3D 10 andOpenGL applications in Windows Vista work through DXGI.

Windows 8 introduced a notably useful DXGI-based API called Desktop Duplication API for hardware accelerated video capture using DirectX.[2] Using it with a hardware video encoder provides a low-latency, high-performance solution for screen capturing and encoding, freeing up the CPU for gaming or other tasks such as Miracast screencasting, streaming, remote desktop scenarios.

DXGI 1.1 added surface sharing between the various Windows graphics API.[3] The newest version is DXGI 1.6, introduced with Windows 10 Creators Update and updated with Windows 10 Fall Creators Update.[4]

DXGI 2 preview was released alongside theOculus Rift SDK, containing improvements forstereoscopic rendering.[citation needed]

See also

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References

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  1. ^"DXGI Overview".MSDN. Microsoft. 20 August 2021.
  2. ^Desktop duplication API
  3. ^"Surface Sharing Between Windows Graphics APIs".MSDN. Microsoft. 24 May 2021.
  4. ^"DXGI 1.6 Improvements".MSDN. Microsoft. 6 January 2021.

External links

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