Symbolic Differentiation in HLSL (US)

Gamefest 2011 Presentation
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      Derivatives arise frequently in graphics and scienti?c computation applications. As GPUs become more widely used for scienti?c computation, the need for derivatives can be expected to increase. To meet this need, we have added symbolic differentiation as a built-in language feature in the HLSL shading language. The symbolic derivative is computed at compile time so it is available in all types of shaders (geometry, pixel, vertex, etc.). The algorithm for computing the symbolic derivative is simple, and has reasonable compilation and run-time overhead.
  • Supported Operating System

    Windows 7

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