X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fglsl%2Foptimize.cpp;h=c76cae1b50f34a69ade9d31ead0c563250d24ae6;hb=47d9d5d10469340af44909de9c8ab9fd4f1a19a1;hp=25115a5975674485afb4f0b8e1368250419be451;hpb=696a97bd7411d69953c1a9e4b5f3dfb4c1d848f1;p=libs%2Fgl.git

diff --git a/source/glsl/optimize.cpp b/source/glsl/optimize.cpp
index 25115a59..c76cae1b 100644
--- a/source/glsl/optimize.cpp
+++ b/source/glsl/optimize.cpp
@@ -217,14 +217,14 @@ UnusedVariableLocator::UnusedVariableLocator():
 	global_scope(true)
 { }
 
-void UnusedVariableLocator::apply(Stage &s)
+const set<Node *> &UnusedVariableLocator::apply(Stage &s)
 {
 	variables.push_back(BlockVariableMap());
-	StageVisitor::apply(s);
+	visit(s.content);
 	BlockVariableMap &global_variables = variables.back();
 	for(BlockVariableMap::iterator i=global_variables.begin(); i!=global_variables.end(); ++i)
 	{
-		if(i->first->interface=="out" && (s.type==FRAGMENT || i->first->linked_declaration || !i->first->name.compare(0, 3, "gl_")))
+		if(i->first->interface=="out" && (s.type==Stage::FRAGMENT || i->first->linked_declaration || !i->first->name.compare(0, 3, "gl_")))
 			continue;
 		if(!i->second.referenced)
 		{
@@ -233,6 +233,8 @@ void UnusedVariableLocator::apply(Stage &s)
 		}
 	}
 	variables.pop_back();
+
+	return unused_nodes;
 }
 
 void UnusedVariableLocator::visit(VariableReference &var)