Panda3D
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00001 // Filename: wglGraphicsPipe.h 00002 // Created by: drose (20Dec02) 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 WGLGRAPHICSPIPE_H 00016 #define WGLGRAPHICSPIPE_H 00017 00018 #include "pandabase.h" 00019 #include "winGraphicsPipe.h" 00020 00021 class wglGraphicsStateGuardian; 00022 00023 //////////////////////////////////////////////////////////////////// 00024 // Class : wglGraphicsPipe 00025 // Description : This graphics pipe represents the interface for 00026 // creating OpenGL graphics windows on the various 00027 // Windows OSes. 00028 //////////////////////////////////////////////////////////////////// 00029 class EXPCL_PANDAGL wglGraphicsPipe : public WinGraphicsPipe { 00030 public: 00031 wglGraphicsPipe(); 00032 virtual ~wglGraphicsPipe(); 00033 00034 virtual string get_interface_name() const; 00035 static PT(GraphicsPipe) pipe_constructor(); 00036 00037 protected: 00038 virtual PT(GraphicsOutput) make_output(const string &name, 00039 const FrameBufferProperties &fb_prop, 00040 const WindowProperties &win_prop, 00041 int flags, 00042 GraphicsEngine *engine, 00043 GraphicsStateGuardian *gsg, 00044 GraphicsOutput *host, 00045 int retry, 00046 bool &precertify); 00047 virtual PT(GraphicsStateGuardian) make_callback_gsg(GraphicsEngine *engine); 00048 00049 private: 00050 00051 static string format_pfd_flags(DWORD pfd_flags); 00052 static void wgl_make_current(HDC hdc, HGLRC hglrc, PStatCollector *collector); 00053 00054 static bool _current_valid; 00055 static HDC _current_hdc; 00056 static HGLRC _current_hglrc; 00057 00058 public: 00059 static TypeHandle get_class_type() { 00060 return _type_handle; 00061 } 00062 static void init_type() { 00063 WinGraphicsPipe::init_type(); 00064 register_type(_type_handle, "wglGraphicsPipe", 00065 WinGraphicsPipe::get_class_type()); 00066 } 00067 virtual TypeHandle get_type() const { 00068 return get_class_type(); 00069 } 00070 virtual TypeHandle force_init_type() {init_type(); return get_class_type();} 00071 00072 private: 00073 static TypeHandle _type_handle; 00074 00075 friend class wglGraphicsBuffer; 00076 friend class wglGraphicsWindow; 00077 friend class wglGraphicsStateGuardian; 00078 }; 00079 00080 #include "wglGraphicsPipe.I" 00081 00082 #endif