spv.ext.RayPrimCull_Errors.rgen
ERROR: 0:3: 'primitive culling' : required extension not requested: GL_EXT_ray_flags_primitive_culling
ERROR: 0:5: 'primitive_culling' : layout qualifier can not have storage qualifiers 
ERROR: 0:6: 'primitive_culling' : can only be applied as standalone 
ERROR: 0:7: 'primitive_culling' : can only be applied as standalone 
ERROR: 4 compilation errors.  No code generated.


SPIR-V is not generated for failed compile or link