Returns the dot product of two vectors.

ret dot(x, y)


Item Description
[in] The first vector.
[in] The second vector.

Return Value

The dot product of the x parameter and the y parameter.

Type Description

Name Template Type Component Type Size
x vector float, int any
y vector float, int same dimensions(s) as input x
ret scalar float, int 1

Minimum Shader Model

This function is supported in the following shader models.

Shader Model Supported
Shader Model 2 (DirectX HLSL) and higher shader models yes
Shader Model 1 (DirectX HLSL) yes

See also

Intrinsic Functions (DirectX HLSL)