tree 07ee122bbeb81e54fc308b2b5be35b337fac905e
parent 7046c05d2fb9478982bc35b989356d51e8b49a1d
author Daniel Koch <dgkoch@users.noreply.github.com> 1606840957 -0500
committer GitHub <noreply@github.com> 1606840957 -0500
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Add validation support for the ray tracing built-in variables (#4041)

* Add validation for ray tracing builtins

- Remove existing InstanceId testing that was combined with VertexId in awkward ways.
- Rather than adding a new set of functions for each ray tracing builtin, add
  an error table that maps the builtin ID to the 3 common VUIDs for each builtin
  (I could see this being extended for other builtins in the future).
- add F32 matrix validation function
- augment existing PrimitiveId validation to verify Input storage class for the
  RT stages this is accepted in, and correct the list of stages that it is actually
  accepted in (only Intersection / Any Hit / Closest Hit)

* add testing for ray tracing builtins

- remove exising InstanceId testing as it was tangled in with VertexId in now weird ways
  and combine it with the new tests
- add testing for ray tracing builtins
- builtins accepted in the same stages and of the same types are combined into test functions
- add some new matrix types to the code generator so they can be used for testing