00001 // Filename: wglGraphicsStateGuardian.h 00002 // Created by: drose (27Jan03) 00003 // 00004 //////////////////////////////////////////////////////////////////// 00005 // 00006 // PANDA 3D SOFTWARE 00007 // Copyright (c) 2001, Disney Enterprises, Inc. All rights reserved 00008 // 00009 // All use of this software is subject to the terms of the Panda 3d 00010 // Software license. You should have received a copy of this license 00011 // along with this source code; you will also find a current copy of 00012 // the license at http://www.panda3d.org/license.txt . 00013 // 00014 // To contact the maintainers of this program write to 00015 // panda3d@yahoogroups.com . 00016 // 00017 //////////////////////////////////////////////////////////////////// 00018 00019 #ifndef WGLGRAPHICSSTATEGUARDIAN_H 00020 #define WGLGRAPHICSSTATEGUARDIAN_H 00021 00022 #include "pandabase.h" 00023 00024 #include "glGraphicsStateGuardian.h" 00025 00026 //////////////////////////////////////////////////////////////////// 00027 // Class : wglGraphicsStateGuardian 00028 // Description : A tiny specialization on GLGraphicsStateGuardian to 00029 // add some wgl-specific information. 00030 //////////////////////////////////////////////////////////////////// 00031 class wglGraphicsStateGuardian : public GLGraphicsStateGuardian { 00032 public: 00033 wglGraphicsStateGuardian(const FrameBufferProperties &properties, int pfnum); 00034 virtual ~wglGraphicsStateGuardian(); 00035 00036 INLINE int get_pfnum() const; 00037 INLINE HGLRC get_context(HDC hdc); 00038 00039 private: 00040 void make_context(HDC hdc); 00041 00042 bool _made_context; 00043 int _pfnum; 00044 HGLRC _context; 00045 00046 public: 00047 static TypeHandle get_class_type() { 00048 return _type_handle; 00049 } 00050 static void init_type() { 00051 GLGraphicsStateGuardian::init_type(); 00052 register_type(_type_handle, "wglGraphicsStateGuardian", 00053 GLGraphicsStateGuardian::get_class_type()); 00054 } 00055 virtual TypeHandle get_type() const { 00056 return get_class_type(); 00057 } 00058 virtual TypeHandle force_init_type() {init_type(); return get_class_type();} 00059 00060 private: 00061 static TypeHandle _type_handle; 00062 }; 00063 00064 #include "wglGraphicsStateGuardian.I" 00065 00066 #endif