How can i use a texture in a shader ?

[ykafia]

I want to display a texture with a noise applied to the UVs, how can i include a texture in a shader ?

[ykafia]

Self answering :

The best way to include a texture to a shader through the editor is to use composition.

shader ParameterTexture : Texturing, ComputeColor
{
    // This can be either a texture, a shader... Anything that implements ComputeColor
    compose ComputeColor MatrixTexture;

    override float4 Compute()
    {
        streams.TexCoord.x = 0;
        float4 color = MatrixTexture.Compute();
        return color;
    }
};