added SceneAppFramework, global_descriptor.Bind used auto-mode.

example/Gizmo/RayPicking.cpp

@@ -27,7 +27,7 @@ static float lumiance_data[2]={1,1};
 static Color4f white_color(1,1,1,1);
 static Color4f yellow_color(1,1,0,1);
 
-class TestApp:public CameraAppFramework
+class TestApp:public SceneAppFramework
 {
     Color4f color;
 
@@ -35,9 +35,6 @@ class TestApp:public CameraAppFramework
 
 private:
 
-    SceneNode           render_root;
-    RenderList *        render_list         =nullptr;
-
     Material *          material            =nullptr;
     MaterialInstance *  mi_plane_grid       =nullptr;
     MaterialInstance *  mi_line             =nullptr;
@@ -66,8 +63,6 @@ private:
         material=db->CreateMaterial(mci);
         if(!material)return(false);
 
-        db->global_descriptor.Bind(material);
-
         mi_plane_grid=db->CreateMaterialInstance(material);
         if(!mi_plane_grid)return(false);
         mi_plane_grid->WriteMIData(white_color);