X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Ftechnique.cpp;h=def0a84a9dd019ea385919a883ff4c7e15fd3d62;hb=c01b102f54770c37a62870f60a849b479aa3285c;hp=1e8f8fccea433d4e63625e453bab7992beaa1439;hpb=88a5d6707be2f62e81d46fb6d4781c75742749b8;p=libs%2Fgl.git

diff --git a/source/technique.cpp b/source/technique.cpp
index 1e8f8fcc..def0a84a 100644
--- a/source/technique.cpp
+++ b/source/technique.cpp
@@ -13,30 +13,35 @@ using namespace std;
 namespace Msp {
 namespace GL {
 
-RenderPass &Technique::add_pass(const GL::Tag &tag)
+RenderPass &Technique::add_pass(const Tag &tag)
 {
 	return insert_unique(passes, tag, RenderPass())->second;
 }
 
-bool Technique::has_pass(const GL::Tag &tag) const
+bool Technique::has_pass(const Tag &tag) const
 {
 	return passes.count(tag);
 }
 
-const RenderPass &Technique::get_pass(const GL::Tag &tag) const
+const RenderPass &Technique::get_pass(const Tag &tag) const
 {
 	return get_item(passes, tag);
 }
 
-void Technique::replace_texture(const string &slot, const Texture &tex)
+bool Technique::replace_texture(const string &slot, const Texture &tex)
 {
+	bool replaced = false;
 	for(PassMap::iterator i=passes.begin(); i!=passes.end(); ++i)
 	{
 		int index = i->second.get_texture_index(slot);
-		if(index<0)
-			continue;
-		i->second.set_texture(index, &tex);
+		if(index>=0)
+		{
+			i->second.set_texture(index, &tex);
+			replaced = true;
+		}
 	}
+
+	return replaced;
 }
 
 bool Technique::has_shaders() const
@@ -108,7 +113,8 @@ void Technique::InheritLoader::material(const string &pass_tag, const string &na
 
 void Technique::InheritLoader::texture(const string &slot, const string &name)
 {
-	obj.replace_texture(slot, get_collection().get<Texture>(name));
+	if(!obj.replace_texture(slot, get_collection().get<Texture>(name)))
+		throw key_error(slot);
 }
 
 } // namespace GL