XMFresnelTerm function (directxmath.h)

Article
02/22/2024

Calculates the Fresnel term for unpolarized light.

Syntax

XMVECTOR XM_CALLCONV XMFresnelTerm(
  [in] FXMVECTOR CosIncidentAngle,
  [in] FXMVECTOR RefractionIndex
) noexcept;

Parameters

[in] CosIncidentAngle

Vector consisting of the cosines of the incident angles.

[in] RefractionIndex

Vector consisting of the refraction indices of the materials corresponding to the incident angles.

Return value

Returns a vector containing the Fresnel term of each component.

Remarks

Platform Requirements

Microsoft Visual Studio 2010 or Microsoft Visual Studio 2012 with the Windows SDK for Windows 8. Supported for Win32 desktop apps, Windows Store apps, and Windows Phone 8 apps.

Requirements

Requirement	Value
Target Platform	Windows
Header	directxmath.h

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