Further tweak frustum culling to be more efficient

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

diff --git a/source/simplescene.cpp b/source/simplescene.cpp
index e7ffc63841d02cb8110cdd9b9e93e7be53e4d821..73d08de2322f2194864490bf8b0bb7022678a654 100644 (file)
--- a/source/simplescene.cpp
+++ b/source/simplescene.cpp
@@ -1,3 +1,4 @@
+#include "renderer.h"
 #include "simplescene.h"
 
 namespace Msp {
@@ -13,10 +14,31 @@ void SimpleScene::remove(const Renderable &r)
        renderables.erase(&r);
 }
 
-void SimpleScene::render(Renderer &renderer, const Tag &tag) const
+void SimpleScene::setup_frame() const
+{
+       for(RenderableSet::const_iterator i=renderables.begin(); i!=renderables.end(); ++i)
+               (*i)->setup_frame();
+}
+
+void SimpleScene::finish_frame() const
 {
        for(RenderableSet::const_iterator i=renderables.begin(); i!=renderables.end(); ++i)
-               (*i)->render(renderer, tag);
+               (*i)->finish_frame();
+}
+
+void SimpleScene::render(Renderer &renderer, const Tag &tag) const
+{
+       if(setup_frustum(renderer))
+       {
+               for(RenderableSet::const_iterator i=renderables.begin(); i!=renderables.end(); ++i)
+                       if(!frustum_cull(**i))
+                               renderer.render(**i, tag);
+       }
+       else
+       {
+               for(RenderableSet::const_iterator i=renderables.begin(); i!=renderables.end(); ++i)
+                       renderer.render(**i, tag);
+       }
 }
 
 } // namespace GL