Panda3D

dxIndexBufferContext9.h

00001 // Filename: dxIndexBufferContext9.h
00002 // Created by:  drose (18Mar05)
00003 //
00004 ////////////////////////////////////////////////////////////////////
00005 //
00006 // PANDA 3D SOFTWARE
00007 // Copyright (c) Carnegie Mellon University.  All rights reserved.
00008 //
00009 // All use of this software is subject to the terms of the revised BSD
00010 // license.  You should have received a copy of this license along
00011 // with this source code in a file named "LICENSE."
00012 //
00013 ////////////////////////////////////////////////////////////////////
00014 
00015 #ifndef DXINDEXBUFFERCONTEXT9_H
00016 #define DXINDEXBUFFERCONTEXT9_H
00017 
00018 #include "pandabase.h"
00019 #include "dxgsg9base.h"
00020 #include "indexBufferContext.h"
00021 
00022 ////////////////////////////////////////////////////////////////////
00023 //       Class : DXIndexBufferContext9
00024 // Description : Caches a GeomPrimitive in the DirectX device as
00025 //               an index buffer.
00026 ////////////////////////////////////////////////////////////////////
00027 class EXPCL_PANDADX DXIndexBufferContext9 : public IndexBufferContext {
00028 public:
00029   DXIndexBufferContext9(PreparedGraphicsObjects *pgo, GeomPrimitive *data);
00030   virtual ~DXIndexBufferContext9();
00031 
00032   virtual void evict_lru();
00033 
00034   void free_ibuffer();
00035   void allocate_ibuffer(DXScreenData &scrn, const GeomPrimitivePipelineReader *reader);
00036   void create_ibuffer(DXScreenData &scrn, const GeomPrimitivePipelineReader *reader);
00037   bool upload_data(const GeomPrimitivePipelineReader *reader, bool force);
00038 
00039   IDirect3DIndexBuffer9 *_ibuffer;
00040   int _managed;
00041 
00042 public:
00043   static TypeHandle get_class_type() {
00044     return _type_handle;
00045   }
00046   static void init_type() {
00047     IndexBufferContext::init_type();
00048     register_type(_type_handle, "DXIndexBufferContext9",
00049                   IndexBufferContext::get_class_type());
00050   }
00051   virtual TypeHandle get_type() const {
00052     return get_class_type();
00053   }
00054   virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
00055 
00056 private:
00057   static TypeHandle _type_handle;
00058 };
00059 
00060 #include "dxIndexBufferContext9.I"
00061 
00062 #endif
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