Filling color with texture ; effect or SetData ?

[Rouli]

Thanks a lot, I ended up making it work using a shader.

@reiti.net

You may also be aware, that that texture is actually sampled or mipmapped, so you may not get that exact pixel value in the shader but a sampled one between to texture-pixels (you’d have to align to texels and all that stuff)

This is true but since my effect is very light it’s not noticeable in my case.