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Texture2D::Gather(S,float,int) function

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Returns the four texel values that would be used in a bi-linear filtering operation.

Syntax

TemplateType Gather(
  in sampler s,
  in float2 location,
  in int2 offset
);

Parameters

s [in]

Type: sampler

The zero-based sampler index.

location [in]

Type: float2

The sample coordinates (u,v).

offset [in]

Type: int2

The offset applied to the texture coordinates before sampling.

Return value

Type: TemplateType

A four-component value whose type is the same as the template type.

Remarks

The texture samples can be used for bilinear interpolation.

This function is supported for the following types of shaders:

Vertex Hull Domain Geometry Pixel Compute
x x x x x x

 

See also

Gather methods

Shader Model 5