- Performance optimization
- Improved (finished) normal mapping
- Parallax mapping (displacement mapping)
- HDR
- Bloom
- Deferred shading
- SSAO
- PBR
- Transparent objects
- Shadows
- Scene level frustrum culling (e.g. with octrees)
- Geometric shader support (probably won't happen)
- Post processing (maybe)
- Antialiasing
- Some particle effects / particle system support