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dxVertexBufferContext8.h
00001 // Filename: dxVertexBufferContext8.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 DXVERTEXBUFFERCONTEXT8_H
00016 #define DXVERTEXBUFFERCONTEXT8_H
00017 
00018 #include "pandabase.h"
00019 #include "dxgsg8base.h"
00020 #include "vertexBufferContext.h"
00021 
00022 ////////////////////////////////////////////////////////////////////
00023 //       Class : DXVertexBufferContext8
00024 // Description : Caches a GeomVertexArrayData in the DirectX device as
00025 //               a vertex buffer.
00026 ////////////////////////////////////////////////////////////////////
00027 class EXPCL_PANDADX DXVertexBufferContext8 : public VertexBufferContext {
00028 public:
00029   DXVertexBufferContext8(PreparedGraphicsObjects *pgo, GeomVertexArrayData *data);
00030   virtual ~DXVertexBufferContext8();
00031 
00032   virtual void evict_lru();
00033 
00034   void create_vbuffer(DXScreenData &scrn,
00035                       const GeomVertexArrayDataHandle *reader);
00036   bool upload_data(const GeomVertexArrayDataHandle *reader, bool force);
00037 
00038   IDirect3DVertexBuffer8 *_vbuffer;
00039   int _fvf;
00040 
00041 public:
00042   static TypeHandle get_class_type() {
00043     return _type_handle;
00044   }
00045   static void init_type() {
00046     VertexBufferContext::init_type();
00047     register_type(_type_handle, "DXVertexBufferContext8",
00048                   VertexBufferContext::get_class_type());
00049   }
00050   virtual TypeHandle get_type() const {
00051     return get_class_type();
00052   }
00053   virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
00054 
00055 private:
00056   static TypeHandle _type_handle;
00057 };
00058 
00059 #include "dxVertexBufferContext8.I"
00060 
00061 #endif
00062 
00063 
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