Add GLSL450 intrinsics to SPIRV direct emit. (#1921)

* Add GLSL450 intrinsics to SPIRV direct emit.

* Fix.

* Fix compiler error.

* Fix.

* Fix compiler error.

* Make direct-spirv tests actually run.

1 files changed, 21 insertions, 0 deletions

diff --git a/source/slang/slang-emit-base.cpp b/source/slang/slang-emit-base.cpp
index d00b723ab..0f1c54e70 100644
--- a/source/slang/slang-emit-base.cpp
+++ b/source/slang/slang-emit-base.cpp
@@ -52,4 +52,25 @@ IRVarLayout* SourceEmitterBase::getVarLayout(IRInst* var)
     return as<IRVarLayout>(decoration->getLayout());
 }
 
+BaseType SourceEmitterBase::extractBaseType(IRType* inType)
+{
+    auto type = inType;
+    for (;;)
+    {
+        if (auto irBaseType = as<IRBasicType>(type))
+        {
+            return irBaseType->getBaseType();
+        }
+        else if (auto vecType = as<IRVectorType>(type))
+        {
+            type = vecType->getElementType();
+            continue;
+        }
+        else
+        {
+            return BaseType::Void;
+        }
+    }
+}
+
 }