[SPIRV] Add NonSemanticDebugInfo for step-through debugging. (#3644)

* [SPIRV] Add NonSemanticDebugInfo for step-through debugging.

* Fix.

* Fix.

1 files changed, 16 insertions, 1 deletions

diff --git a/tools/gfx/slang-context.h b/tools/gfx/slang-context.h
index 8ae14d4aa..79f39c3e6 100644
--- a/tools/gfx/slang-context.h
+++ b/tools/gfx/slang-context.h
@@ -10,7 +10,11 @@ namespace gfx
     public:
         Slang::ComPtr<slang::IGlobalSession> globalSession;
         Slang::ComPtr<slang::ISession> session;
-        Result initialize(const gfx::IDevice::SlangDesc& desc, SlangCompileTarget compileTarget, const char* defaultProfileName,
+        Result initialize(const gfx::IDevice::SlangDesc& desc,
+            uint32_t extendedDescCount,
+            void** extendedDescs,
+            SlangCompileTarget compileTarget,
+            const char* defaultProfileName,
             Slang::ConstArrayView<slang::PreprocessorMacroDesc> additionalMacros)
         {
             if (desc.slangGlobalSession)
@@ -45,6 +49,17 @@ namespace gfx
             slangSessionDesc.targets = &targetDesc;
             slangSessionDesc.targetCount = 1;
 
+            for (uint32_t i = 0; i < extendedDescCount; i++)
+            {
+                if ((*(StructType*)extendedDescs[i]) == StructType::SlangSessionExtendedDesc)
+                {
+                    auto extDesc = (SlangSessionExtendedDesc*)extendedDescs[i];
+                    slangSessionDesc.compilerOptionEntryCount = extDesc->compilerOptionEntryCount;
+                    slangSessionDesc.compilerOptionEntries = extDesc->compilerOptionEntries;
+                    break;
+                }
+            }
+
             SLANG_RETURN_ON_FAIL(globalSession->createSession(slangSessionDesc, session.writeRef()));
             return SLANG_OK;
         }