Okay, the pipeline is now using actual tonemapping (not the fake-but-good tonemapping it used before) and better bloom blending
also, I'm creating an HQ post-processing toon-outline shader which currently looks like
this (if I'm lucky and my graphics card driver doesn't crash, lol):
Edit: ...I was able to fix that

atm it looks like this (with FXAA) and doesn't work with SSAA:
