Do you have a screenshot of that noise, or a before and after image? The little i know about drawing pixel perfect render targets, is that you should go into your render target and check in the “Level of Details” segment, that your:
- “Mip Gen Settings” are set to “NoMipmaps” and
- “Texture Group” is set to “2D Pixels (unfiltered)”
- also “Clamp” Adress X and Y
Example settings:
