This shaderpack is near-identical to vanilla rendering, except for supporting TAA and replacing Vanilla AO with SSAO. It's compatible with OptiFine, as well as Iris 1.1.2 and later.
- VanillAA, giving me a great place to start from, by leo60228
- Vanilla rendering recreation from XorDevs-Default-Shaderpack
- TAA from BSL
- SSAO from BSL and Complementary
- FidelityFX CAS from AMD, fragment shader version from vkBasalt
- Assistance figuring things out from gri573 and XorDev