X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fglsl%2Freflect.h;h=9520feb6a924c797ee50b7e8a062dbd7b1f74795;hp=162ed9c0b8bcf4ddb01daf17724e4308138decd0;hb=c701c8787cb19fbb6dc5b0bfae1a94e2b07dd549;hpb=6377f8efc81ffe84b7ffe44380f1caa2059f437f

diff --git a/source/glsl/reflect.h b/source/glsl/reflect.h
index 162ed9c0..9520feb6 100644
--- a/source/glsl/reflect.h
+++ b/source/glsl/reflect.h
@@ -7,6 +7,32 @@ namespace Msp {
 namespace GL {
 namespace SL {
 
+/** Compares two types for equality.  Struct types are compared recursively. */
+class TypeComparer: private NodeVisitor
+{
+private:
+	Node *first;
+	Node *second;
+	unsigned first_tag;
+	bool r_result;
+
+	static unsigned next_tag;
+
+public:
+	TypeComparer();
+
+	bool apply(TypeDeclaration &t1, TypeDeclaration &t2) { compare(t1, t2); return r_result; }
+
+private:
+	void compare(Node &, Node &);
+	template<typename T>
+	T *multi_visit(T &);
+	virtual void visit(BasicTypeDeclaration &);
+	virtual void visit(ImageTypeDeclaration &);
+	virtual void visit(StructDeclaration &);
+	virtual void visit(VariableDeclaration &);
+};
+
 /** Determines the number of interface locations required by a variable. */
 class LocationCounter: private NodeVisitor
 {