“DirectX Raytracing”的意思、由来-开放百科全书

词条

DirectX Raytracing

释义

Technical details
References
External links

DirectX Raytracing (DXR) is a feature of Microsoft's DirectX that allows for hardware real-time raytracing,^[1] a significant advancement in computer graphics first seen on the consumer level in GPUs such as the Nvidia GeForce 20 series announced in 2018.^[2] DXR will not be released as part of a new version of DirectX but rather as a compatible extension to DirectX 12.

Windows 10 October 2018 update includes the public release of DirectX Raytracing.^[3]

Technical details

DXR introduces 4 main elements to the DirectX 12 API:^[1]

An "acceleration structure" which is an object that holds a representation of a 3D environment so that objects contained in the scene can be found quickly by the GPU
A command list method called DispatchRays that controls raytracing
HLSL shader types appropriate for raytracing
The Raytracing pipeline state, comparable to the existing Graphics and Compute pipeline states

References

1. ^¹{{cite web|url=https://blogs.msdn.microsoft.com/directx/2018/03/19/announcing-microsoft-directx-raytracing/|title=Announcing Microsoft DirectX Raytracing!|publisher=Microsoft}}
2. ^{{cite news|url=https://www.cnet.com/news/nvidia-reveals-800-geforce-rtx-2080-at-gamescom-2018/|title=Nvidia reveals $800 GeForce RTX 2080 at Gamescom 2018|work=CNet}}
3. ^https://blogs.msdn.microsoft.com/directx/2018/10/02/directx-raytracing-and-the-windows-10-october-2018-update/

External links

[https://blogs.msdn.microsoft.com/directx/2018/03/19/announcing-microsoft-directx-raytracing/ Microsoft developer blog on DirectX Raytracing]
[https://blogs.msdn.microsoft.com/directx/2018/10/02/directx-raytracing-and-the-windows-10-october-2018-update/ DirectX Raytracing and the Windows 10 October 2018 Update]
[https://blogs.nvidia.com/blog/2018/03/19/whats-difference-between-ray-tracing-rasterization/ Nvidia blog about raytracing vs. rasterization]

5 : Application programming interfaces|DirectX|Microsoft application programming interfaces|Ray tracing (graphics)|Virtual reality

随便看

开放百科全书收录14589846条英语、德语、日语等多语种百科知识，基本涵盖了大多数领域的百科知识，是一部内容自由、开放的电子版国际百科全书。