GraphicsOutputBase

panda/src/display/graphicsOutput.cxx

@@ -436,7 +436,7 @@ set_inverted(bool inverted) {
 
 ////////////////////////////////////////////////////////////////////
 //     Function: GraphicsOutput::set_sort
-//       Access: Published
+//       Access: Published, Virtual
 //  Description: Adjusts the sorting order of this particular
 //               GraphicsOutput, relative to other GraphicsOutputs.
 ////////////////////////////////////////////////////////////////////

panda/src/display/graphicsOutput.h

@@ -23,6 +23,7 @@
 #include "graphicsStateGuardian.h"
 #include "drawableRegion.h"
 #include "renderBuffer.h"
+#include "graphicsOutputBase.h"
 
 #include "typedWritableReferenceCount.h"
 #include "pandaNode.h"
@@ -58,7 +59,7 @@ class GraphicsEngine;
 //               TypedWritableReferenceCount instead of
 //               TypedReferenceCount for that convenience.
 ////////////////////////////////////////////////////////////////////
-class EXPCL_PANDA_DISPLAY GraphicsOutput : public TypedWritableReferenceCount, public DrawableRegion {
+class EXPCL_PANDA_DISPLAY GraphicsOutput : public GraphicsOutputBase, public DrawableRegion {
 protected:
   GraphicsOutput(GraphicsEngine *engine,
                  GraphicsPipe *pipe, 
@@ -135,7 +136,7 @@ PUBLISHED:
   INLINE void clear_delete_flag();
   INLINE bool get_delete_flag() const;
 
-  void set_sort(int sort);
+  virtual void set_sort(int sort);
   INLINE int get_sort() const;
 
   INLINE void set_child_sort(int child_sort);
@@ -313,9 +314,9 @@ public:
     return _type_handle;
   }
   static void init_type() {
-    TypedWritableReferenceCount::init_type();
+    GraphicsOutputBase::init_type();
     register_type(_type_handle, "GraphicsOutput",
-                  TypedWritableReferenceCount::get_class_type());
+                  GraphicsOutputBase::get_class_type());
   }
   virtual TypeHandle get_type() const {
     return get_class_type();

panda/src/display/graphicsStateGuardian.cxx

@@ -1305,6 +1305,23 @@ clear_state_and_transform() {
   _state_mask.clear();
 }
 
+////////////////////////////////////////////////////////////////////
+//     Function: GraphicsStateGuardian::remove_window
+//       Access: Public, Virtual
+//  Description: This is simply a transparent call to
+//               GraphicsEngine::remove_window().  It exists primary
+//               to support removing a window from that compiles
+//               before the display module, and therefore has no
+//               knowledge of a GraphicsEngine object.
+////////////////////////////////////////////////////////////////////
+void GraphicsStateGuardian::
+remove_window(GraphicsOutputBase *window) {
+  nassertv(_engine != (GraphicsEngine *)NULL);
+  GraphicsOutput *win;
+  DCAST_INTO_V(win, window);
+  _engine->remove_window(win);
+}
+
 ////////////////////////////////////////////////////////////////////
 //     Function: GraphicsStateGuardian::prepare_lens
 //       Access: Public, Virtual

panda/src/display/graphicsStateGuardian.h

@@ -228,6 +228,8 @@ public:
   virtual void clear_before_callback();
   virtual void clear_state_and_transform();
 
+  virtual void remove_window(GraphicsOutputBase *window);
+
   virtual CPT(TransformState) calc_projection_mat(const Lens *lens);
   virtual bool prepare_lens();
 

panda/src/gsgbase/Sources.pp

@@ -11,15 +11,18 @@
   #define SOURCES \
     config_gsgbase.h \
     displayRegionBase.I displayRegionBase.h \
+    graphicsOutputBase.I graphicsOutputBase.h \
     graphicsStateGuardianBase.h    
 
   #define INCLUDED_SOURCES \
     config_gsgbase.cxx \
     displayRegionBase.cxx \
+    graphicsOutputBase.cxx \
     graphicsStateGuardianBase.cxx
 
   #define INSTALL_HEADERS \
     displayRegionBase.I displayRegionBase.h \
+    graphicsOutputBase.I graphicsOutputBase.h \
     graphicsStateGuardianBase.h
 
   #define IGATESCAN all

panda/src/gsgbase/config_gsgbase.cxx

@@ -14,6 +14,7 @@
 
 #include "config_gsgbase.h"
 #include "displayRegionBase.h"
+#include "graphicsOutputBase.h"
 #include "graphicsStateGuardianBase.h"
 
 #include "dconfig.h"
@@ -22,5 +23,6 @@ Configure(config_gsgbase);
 
 ConfigureFn(config_gsgbase) {
   DisplayRegionBase::init_type();
+  GraphicsOutputBase::init_type();
   GraphicsStateGuardianBase::init_type();
 }

panda/src/gsgbase/graphicsOutputBase.I

@@ -0,0 +1,14 @@
+// Filename: graphicsOutputBase.I
+// Created by:  drose (27May09)
+//
+////////////////////////////////////////////////////////////////////
+//
+// PANDA 3D SOFTWARE
+// Copyright (c) Carnegie Mellon University.  All rights reserved.
+//
+// All use of this software is subject to the terms of the revised BSD
+// license.  You should have received a copy of this license along
+// with this source code in a file named "LICENSE."
+//
+////////////////////////////////////////////////////////////////////
+

panda/src/gsgbase/graphicsOutputBase.cxx

@@ -0,0 +1,17 @@
+// Filename: graphicsOutputBase.cxx
+// Created by:  drose (27May09)
+//
+////////////////////////////////////////////////////////////////////
+//
+// PANDA 3D SOFTWARE
+// Copyright (c) Carnegie Mellon University.  All rights reserved.
+//
+// All use of this software is subject to the terms of the revised BSD
+// license.  You should have received a copy of this license along
+// with this source code in a file named "LICENSE."
+//
+////////////////////////////////////////////////////////////////////
+
+#include "graphicsOutputBase.h"
+
+TypeHandle GraphicsOutputBase::_type_handle;

panda/src/gsgbase/graphicsOutputBase.h

@@ -0,0 +1,54 @@
+// Filename: graphicsOutputBase.h
+// Created by:  drose (27May09)
+//
+////////////////////////////////////////////////////////////////////
+//
+// PANDA 3D SOFTWARE
+// Copyright (c) Carnegie Mellon University.  All rights reserved.
+//
+// All use of this software is subject to the terms of the revised BSD
+// license.  You should have received a copy of this license along
+// with this source code in a file named "LICENSE."
+//
+////////////////////////////////////////////////////////////////////
+
+#ifndef GRAPHICSOUTPUTBASE_H
+#define GRAPHICSOUTPUTBASE_H
+
+#include "pandabase.h"
+#include "typedWritableReferenceCount.h"
+
+////////////////////////////////////////////////////////////////////
+//       Class : GraphicsOutputBase
+// Description : An abstract base class for GraphicsOutput, for all
+//               the usual reasons.
+////////////////////////////////////////////////////////////////////
+class EXPCL_PANDA_GSGBASE GraphicsOutputBase : public TypedWritableReferenceCount {
+PUBLISHED:
+  virtual void set_sort(int sort)=0;
+  
+public:
+  static TypeHandle get_class_type() {
+    return _type_handle;
+  }
+  static void init_type() {
+    TypedWritableReferenceCount::init_type();
+    register_type(_type_handle, "GraphicsOutputBase",
+                  TypedWritableReferenceCount::get_class_type());
+  }
+  virtual TypeHandle get_type() const {
+    return get_class_type();
+  }
+  virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
+
+private:
+  static TypeHandle _type_handle;
+
+  friend class GraphicsPipe;
+  friend class GraphicsEngine;
+  friend class DisplayRegion;
+};
+
+#include "graphicsOutputBase.I"
+
+#endif

panda/src/gsgbase/graphicsStateGuardianBase.h

@@ -27,6 +27,7 @@ class Thread;
 class RenderBuffer;
 class GraphicsWindow;
 class NodePath;
+class GraphicsOutputBase;
 
 class VertexBufferContext;
 class IndexBufferContext;
@@ -131,6 +132,8 @@ public:
   virtual void clear_before_callback()=0;
   virtual void clear_state_and_transform()=0;
 
+  virtual void remove_window(GraphicsOutputBase *window)=0;
+
 #ifndef CPPPARSER
   // We hide this from interrogate, so that it will be properly
   // exported from the GraphicsStateGuardian class, later.

panda/src/gsgbase/gsgbase_composite1.cxx

@@ -1,5 +1,6 @@
 
 #include "config_gsgbase.cxx"
 #include "displayRegionBase.cxx"
+#include "graphicsOutputBase.cxx"
 #include "graphicsStateGuardianBase.cxx"
 

panda/src/pgraphnodes/lightLensNode.I

@@ -61,14 +61,10 @@ set_shadow_caster(bool caster, int buffer_xsize, int buffer_ysize, int buffer_so
   _sb_xsize = buffer_xsize;
   _sb_ysize = buffer_ysize;
   if (buffer_sort != _sb_sort) {
-    // drose: Temporarily commenting out--can't call set_sort() on an
-    // undefined class.
-    /*
     ShadowBuffers::iterator it;
     for(it = _sbuffers.begin(); it != _sbuffers.end(); ++it) {
-      it->second->set_sort(buffer_sort);
+      (*it).second->set_sort(buffer_sort);
     }
-    */
     _sb_sort = buffer_sort;
   }
   set_active(caster);

panda/src/pgraphnodes/lightLensNode.cxx

@@ -75,13 +75,9 @@ LightLensNode(const LightLensNode &copy) :
 void LightLensNode::
 clear_shadow_buffers() {
   ShadowBuffers::iterator it;
-  // drose: Temporarily commenting out--can't call get_engine() or
-  // remove_window() on an undefined class.
-  /*
   for(it = _sbuffers.begin(); it != _sbuffers.end(); ++it) {
-    it->first->get_engine()->remove_window(it->second);
+    (*it).first->remove_window((*it).second);
   }
-  */
   _sbuffers.clear();
 }
 

panda/src/pgraphnodes/lightLensNode.h

@@ -20,7 +20,7 @@
 #include "light.h"
 #include "camera.h"
 #include "graphicsStateGuardianBase.h"
-#include "typedWritableReferenceCount.h"
+#include "graphicsOutputBase.h"
 
 class ShaderGenerator;
 
@@ -49,10 +49,8 @@ protected:
   int _sb_xsize, _sb_ysize, _sb_sort;
   double _push_bias;
 
-  // drose: This is really a map of GSG -> GraphicsOutput.
-  // Temporarily changed it to TypedWritableReferenceCount to allow
-  // compilation without circular dependencies.
-  typedef pmap<CPT(GraphicsStateGuardianBase), PT(TypedWritableReferenceCount) > ShadowBuffers;
+  // This is really a map of GSG -> GraphicsOutput.
+  typedef pmap<PT(GraphicsStateGuardianBase), PT(GraphicsOutputBase) > ShadowBuffers;
   ShadowBuffers _sbuffers;
 
 public: