- Separate Master node requirements into per-slot stages
- Add shader stage option to IMayRequire interfaces
- Remove uneeded intermediate spaces from surface description
- Change orthonormal basis to world
* Refactor GraphFunctions includes to per-pipeline
* Add Scene Color node
- And camera opaque requirements
- Returns 0s in HD
* Add Scene Depth node
* Rename GraphFunctions.hlsl > ShaderGraphFunctions.hlsl
* Update references to ShaderGraphFunctions.hlsl