Texture2D::GatherAlpha methods
Samples a Texture2D and returns the alpha component.
Overload list
| Method | Description |
|---|---|
| GatherAlpha(S,float,int) | Returns the alpha components of the four texel values that would be used in a bi-linear filtering operation. |
| GatherAlpha(S,float,int,uint) | Returns the alpha components of the four texel values that would be used in a bi-linear filtering operation, along with tile-mapping status. |
| GatherAlpha(S,float,int2,int2,int2,int2) | Returns the alpha components of the four texel values that would be used in a bi-linear filtering operation. |
| GatherAlpha(S,float,int2,int2,int2,int2,uint) | Returns the alpha components of the four texel values that would be used in a bi-linear filtering operation, along with tile-mapping status. |