From 90c3973fcadf28e25797656154e42dd3d2915144 Mon Sep 17 00:00:00 2001
From: Mikko Rasa <tdb@tdb.fi>
Date: Mon, 22 Feb 2021 02:34:12 +0200
Subject: [PATCH] Output the passthrough statement in both GLSL and debug modes

---
 source/glsl/debug.cpp  | 12 ++++++++++++
 source/glsl/debug.h    |  1 +
 source/glsl/output.cpp | 12 ++++++++++++
 source/glsl/output.h   |  1 +
 4 files changed, 26 insertions(+)

diff --git a/source/glsl/debug.cpp b/source/glsl/debug.cpp
index 2bc3a893..4de8ac90 100644
--- a/source/glsl/debug.cpp
+++ b/source/glsl/debug.cpp
@@ -300,6 +300,18 @@ void DumpTree::visit(Iteration &iter)
 	end_sub();
 }
 
+void DumpTree::visit(Passthrough &pass)
+{
+	append("passthrough");
+	if(pass.subscript)
+	{
+		begin_sub();
+		last_branch();
+		pass.subscript->visit(*this);
+		end_sub();
+	}
+}
+
 void DumpTree::visit(Return &ret)
 {
 	if(ret.expression)
diff --git a/source/glsl/debug.h b/source/glsl/debug.h
index 9806d545..5bc7a8bf 100644
--- a/source/glsl/debug.h
+++ b/source/glsl/debug.h
@@ -58,6 +58,7 @@ private:
 	virtual void visit(FunctionDeclaration &);
 	virtual void visit(Conditional &);
 	virtual void visit(Iteration &);
+	virtual void visit(Passthrough &);
 	virtual void visit(Return &);
 	virtual void visit(Jump &);
 	using TraversingVisitor::visit;
diff --git a/source/glsl/output.cpp b/source/glsl/output.cpp
index c1da9fec..46314588 100644
--- a/source/glsl/output.cpp
+++ b/source/glsl/output.cpp
@@ -341,6 +341,18 @@ void Formatter::visit(Iteration &iter)
 	}
 }
 
+void Formatter::visit(Passthrough &pass)
+{
+	append("passthrough");
+	if(pass.subscript)
+	{
+		append('[');
+		pass.subscript->visit(*this);
+		append(']');
+	}
+	append(';');
+}
+
 void Formatter::visit(Return &ret)
 {
 	append("return");
diff --git a/source/glsl/output.h b/source/glsl/output.h
index aec63721..e09f7c2e 100644
--- a/source/glsl/output.h
+++ b/source/glsl/output.h
@@ -52,6 +52,7 @@ private:
 	virtual void visit(FunctionDeclaration &);
 	virtual void visit(Conditional &);
 	virtual void visit(Iteration &);
+	virtual void visit(Passthrough &);
 	virtual void visit(Return &);
 	virtual void visit(Jump &);
 	using TraversingVisitor::visit;
-- 
2.43.0