X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;ds=sidebyside;f=source%2Fglsl%2Freflect.cpp;h=688c99bf81b951ae288a23c9d5409e94fd7903c8;hb=42903b905cd3924ecc45d3cb08222bc3548cab91;hp=a3e36be8448c57eba60bd4ae6a154525e95a4b59;hpb=03d9003072e85c934f5624329fb4a34db8763db2;p=libs%2Fgl.git

diff --git a/source/glsl/reflect.cpp b/source/glsl/reflect.cpp
index a3e36be8..688c99bf 100644
--- a/source/glsl/reflect.cpp
+++ b/source/glsl/reflect.cpp
@@ -1,5 +1,7 @@
 #include "reflect.h"
 
+using namespace std;
+
 namespace Msp {
 namespace GL {
 namespace SL {
@@ -41,6 +43,50 @@ void LocationCounter::visit(VariableDeclaration &var)
 				r_count *= literal->value.value<int>();
 }
 
+
+set<Node *> DependencyCollector::apply(FunctionDeclaration &func)
+{
+	func.visit(*this);
+	return dependencies;
+}
+
+void DependencyCollector::visit(VariableReference &var)
+{
+	if(var.declaration && !locals.count(var.declaration))
+	{
+		dependencies.insert(var.declaration);
+		var.declaration->visit(*this);
+	}
+}
+
+void DependencyCollector::visit(InterfaceBlockReference &iface)
+{
+	if(iface.declaration)
+	{
+		dependencies.insert(iface.declaration);
+		iface.declaration->visit(*this);
+	}
+}
+
+void DependencyCollector::visit(FunctionCall &call)
+{
+	if(call.declaration)
+		dependencies.insert(call.declaration);
+	TraversingVisitor::visit(call);
+}
+
+void DependencyCollector::visit(VariableDeclaration &var)
+{
+	locals.insert(&var);
+	if(var.type_declaration)
+	{
+		dependencies.insert(var.type_declaration);
+		var.type_declaration->visit(*this);
+	}
+
+	TraversingVisitor::visit(var);
+}
+
 } // namespace SL
 } // namespace GL
 } // namespace Msp