tex2DARRAYlod
Keywords: tex2DARRAYlod, NVIDIA, NVIDIA Cg Toolkit, Cg Toolkit, Shader, Shader Programming, GPU Shader Programming, GPU Program

> ## Name

> tex2DARRAYlod - 2D texture array lookup with specified level of detail.

> ## Synopsis

>     float4 tex2DARRAYlod(sampler2DARRAY samp, float4 s)
>     float4 tex2DARRAYlod(sampler2DARRAY samp, float4 s, int texelOff)

>     int4 tex2DARRAYlod(isampler2DARRAY samp, float4 s)
>     int4 tex2DARRAYlod(isampler2DARRAY samp, float4 s, int texelOff)

>     unsigned int4 tex2DARRAYlod(usampler2DARRAY samp, float4 s)
>     unsigned int4 tex2DARRAYlod(usampler2DARRAY samp, float4 s, int texelOff)

> ## Parameters

> samp
>   Sampler array to lookup.
> s.xy
>   Coordinates to perform the lookup.
> s.z
>   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

> tex2DARRAYlod is only supported in gp4 and newer profiles.

> ## See Also

> tex2DARRAY, tex2DARRAYbias