unfortunately as Karim found, Arek's optimizations probably generate illegal SPIR-V

Author: devshgraphicsprogramming

cmake/common.cmake

@@ -1191,7 +1191,7 @@ option(NSC_DEBUG_EDIF_LINE_BIT "Add \"-fspv-debug=line\" to NSC Debug CLI" OFF)
 option(NSC_DEBUG_EDIF_TOOL_BIT "Add \"-fspv-debug=tool\" to NSC Debug CLI" ON)
 option(NSC_DEBUG_EDIF_NON_SEMANTIC_BIT "Add \"-fspv-debug=vulkan-with-source\" to NSC Debug CLI" OFF)
 option(NSC_USE_DEPFILE "Generate depfiles for NSC custom commands" ON)
-option(NBL_DISABLE_EXPERIMENTAL_OPTS "Disable -O1experimental for all NSC compile rules globally" OFF)
+option(NBL_DISABLE_EXPERIMENTAL_OPTS "Disable -O1experimental for all NSC compile rules globally" ON) # Until Arek can make sure all Unit Tests still work for samplers and BxDFs
 
 function(NBL_CREATE_NSC_COMPILE_RULES)
     set(COMMENT "this code has been autogenerated with Nabla CMake NBL_CREATE_HLSL_COMPILE_RULES utility")