Shader: Better fix than 3ccec0ce

src/Nazara/Shader/Ast/SanitizeVisitor.cpp

@@ -887,11 +887,9 @@ namespace Nz::ShaderAst
 		}
 
 		if (node.returnType.HasValue())
-		{
 			clone->returnType = ResolveType(node.returnType);
-			if (clone->returnType.HasValue() && IsNoType(clone->returnType.GetResultingValue()))
-				clone->returnType.Reset(); //< handle void as no return type
-		}
+		else
+			clone->returnType = ExpressionType{ NoType{} };
 
 		if (node.depthWrite.HasValue())
 			clone->depthWrite = ComputeExprValue(node.depthWrite);

src/Nazara/Shader/GlslWriter.cpp

@@ -727,7 +727,7 @@ namespace Nz
 			AppendLine();
 		}
 
-		if (node.returnType.HasValue())
+		if (node.returnType.HasValue() && !IsNoType(node.returnType.GetResultingValue()))
 		{
 			assert(std::holds_alternative<ShaderAst::StructType>(node.returnType.GetResultingValue()));
 			std::size_t outputStructIndex = std::get<ShaderAst::StructType>(node.returnType.GetResultingValue()).structIndex;

src/Nazara/Shader/SpirvWriter.cpp

@@ -280,7 +280,7 @@ namespace Nz
 
 						std::optional<UInt32> outputStructId;
 						std::vector<EntryPoint::Output> outputs;
-						if (node.returnType.HasValue())
+						if (node.returnType.HasValue() && !IsNoType(node.returnType.GetResultingValue()))
 						{
 							const ShaderAst::ExpressionType& returnType = node.returnType.GetResultingValue();