lerp - HLSL
Microsoft DirectX 9.0 SDK Update (October 2004)

lerp - HLSL


Returns x + s(y - x). This linearly interpolates between x and y, such that the return value is x when s is 0, and y when s is 1.

Syntax

ret lerp(x, y, s)

Where:

NameIn/OutTemplate TypeComponent TypeSize
xinscalar, vector, or matrixfloatany
yinsame as input xfloatsame dimension(s) as input x
sinsame as input xfloatsame dimension(s) as input x
retoutsame as input xfloatsame dimension(s) as input x

Minimum Shader Version

This intrinsic function is supported in the following (or above) shader versions:

Vertex ShaderPixel Shader
vs_1_1ps_1_4


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