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 b9b6b080e363150616dc809072217dffda23395e..aeee1666dc34f54ba441da0793607d786ea1cb28 100644 (file)
--- a/source/renderable.h
+++ b/source/renderable.h
@@ -9,6 +9,7 @@ Distributed under the LGPL
 #define MSP_GL_RENDERABLE_H_
 
 #include <string>
+#include "tag.h"
 
 namespace Msp {
 namespace GL {
@@ -16,10 +17,10 @@ namespace GL {
 class Renderable
 {
 public:
-       virtual bool has_pass(const std::string &pn) const =0;
+       virtual int get_order() const { return 0; }
+       virtual bool has_pass(const Tag &tag) const =0;
 
-       virtual void render() const =0;
-       virtual void render(const std::string &pn) const =0;
+       virtual void render(const Tag &tag=Tag()) const =0;
 };
 
 } // namespace Msp