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DirectX Logo

DirectXMath

https://github.com/Microsoft/DirectXMath

Copyright (c) Microsoft Corporation. All rights reserved.

August 2019

This package contains the DirectXMath library, an all inline SIMD C++ linear algebra library for use in games and graphics apps

This code is designed to build with Visual Studio 2017, Visual Studio 2019, or clang for Windows. It is recommended that you make use of the latest updates (VS 2017 15.9 update, or VS 2019 Update 4 or later).

These components are designed to work without requiring any content from the legacy DirectX SDK. For details, see Where is the DirectX SDK?.

Directory Layout

  • Inc\

    • DirectXMath Files (in the DirectX C++ namespace)

      • DirectXMath.h - Core library
      • DirectXPackedVector.h - Load/Store functions and types for working with various compressed GPU formats
      • DirectXColors.h - .NET-style Color defines in sRGB color space
      • DirectXCollision.h - Bounding volume collision library

  • Extentions\

    • Advanced instruction set variants for guarded codepaths

      • DirectXMathSSE3.h - SSE3
      • DirectXMathBE.h - Supplemental SSE3 (SSSE3)
      • DirectXMathSSE4.h - SSE4.1
      • DirectXMathAVX.h - Advanced Vector Extensions (AVX)
      • DirectXMathAVX2.h - Advanced Vector Extensions 2 (AVX2)
      • DirectXMathF16C.h - Half-precision conversions (F16C)
      • DirectXMathFMA3.h - Fused multiply-accumulate (FMA3)
      • DirectXMathFMA4.h - Fused multiply-accumulate (FMA4)

  • SHMath\

    • Spherical Harmonics math functions

      • DirectXSH.h - Header for SHMath functions
      • DirectXSH.cpp, DirectXSHD3D11.cpp, DirectXSHD3D12.cpp - Implementation

  • XDSP\

    • XDSP.h - Digital Signal Processing helper functions

Documentation

Documentation is available on the Microsoft Docs.

Notices

All content and source code for this package are subject to the terms of the MIT License.

For the latest version of DirectXMath, bug reports, etc. please visit the project site on GitHub.

This project has adopted the Microsoft Open Source Code of Conduct. For more information see the Code of Conduct FAQ or contact opencode@microsoft.com with any additional questions or comments.