Use an explicit material slot name in RenderPass

[libs/gl.git] / source / technique.cpp

diff --git a/source/technique.cpp b/source/technique.cpp
index def0a84a9dd019ea385919a883ff4c7e15fd3d62..928c4ff6ea8cb4f00d5c6d73af7c1c263e339678 100644 (file)
--- a/source/technique.cpp
+++ b/source/technique.cpp
@@ -44,6 +44,22 @@ bool Technique::replace_texture(const string &slot, const Texture &tex)
        return replaced;
 }
 
+bool Technique::replace_material(const string &slot, const Material &mat)
+{
+       bool replaced = false;
+       for(PassMap::iterator i=passes.begin(); i!=passes.end(); ++i)
+       {
+               const string &pass_slot = i->second.get_material_slot_name();
+               if(!pass_slot.empty() && pass_slot==slot)
+               {
+                       i->second.set_material(&mat);
+                       replaced = true;
+               }
+       }
+
+       return replaced;
+}
+
 bool Technique::has_shaders() const
 {
        for(PassMap::const_iterator i=passes.begin(); i!=passes.end(); ++i)
@@ -97,10 +113,14 @@ Technique::InheritLoader::InheritLoader(Technique &t, Collection &c):
        add("texture", &InheritLoader::texture);
 }
 
-void Technique::InheritLoader::material(const string &pass_tag, const string &name)
+void Technique::InheritLoader::material(const string &slot, const string &name)
 {
-       RenderPass &pass = get_item(obj.passes, pass_tag);
        const Material &mat = get_collection().get<Material>(name);
+       if(obj.replace_material(slot, mat))
+               return;
+
+       // For backwards compatibility
+       RenderPass &pass = get_item(obj.passes, slot);
        if(const Material *base_mat = pass.get_material())
        {
                for(PassMap::iterator i=obj.passes.begin(); i!=obj.passes.end(); ++i)