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
Where:
Name |
In/Out |
Template Type |
Component Type |
Size |
x |
in |
scalar, vector, or matrix |
float |
any |
y |
in |
same as input x |
float |
same dimension(s) as input x |
s |
in |
same as input x |
float |
same dimension(s) as input x |
ret |
out |
same as input x |
float |
same dimension(s) as input x |
Minimum Shader Version
This intrinsic function is supported in the following (or above) shader versions:
Vertex Shader |
Pixel Shader |
vs_1_1 |
ps_1_4 |
See Also
HLSL Intrinsic Functions