> ## Name

> tex1DARRAYlod - 1D texture array lookup with specified level of detail and optional texel offset.

> ## Synopsis

>     float4 tex1DARRAYlod(sampler1DARRAY samp, float4 s)
>     float4 tex1DARRAYlod(sampler1DARRAY samp, float4 s, int texelOff)

>     int4 tex1DARRAYlod(isampler1DARRAY samp, float4 s)
>     int4 tex1DARRAYlod(isampler1DARRAY samp, float4 s, int texelOff)

>     unsigned int4 tex1DARRAYlod(usampler1DARRAY samp, float4 s)
>     unsigned int4 tex1DARRAYlod(usampler1DARRAY samp, float4 s, int texelOff)

> ## Parameters

> samp
>   Sampler array to lookup.
> s.x
>   Coordinates to perform the lookup.
> s.y
>   Texture array layer.
> s.w
>   Level of detail.
> texelOff
>   Offset to be added to obtain the final texel.

> ## Description

> Performs a texture lookup with a specified level of detail in sampler samp using coordinates s, the texture to be sampled is selected from the layer specified in the coordinates.

> ## Profile Support

> tex1DARRAYlod is only supported in gp4 and newer profiles.

> ## See Also

> tex1DARRAY, tex1DARRAYbias