Allow Renderables in a Scene to specify ordering

[libs/gl.git] / source / renderable.h

diff --git a/source/renderable.h b/source/renderable.h
index 00b8b9012d32d927c2ac1506484db86aa63ba834..aeee1666dc34f54ba441da0793607d786ea1cb28 100644 (file)
--- a/source/renderable.h
+++ b/source/renderable.h
@@ -17,6 +17,7 @@ namespace GL {
 class Renderable
 {
 public:
+       virtual int get_order() const { return 0; }
        virtual bool has_pass(const Tag &tag) const =0;
 
        virtual void render(const Tag &tag=Tag()) const =0;