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eglGraphicsBuffer.h
00001 // Filename: eglGraphicsBuffer.h
00002 // Created by:  pro-rsoft (13Jun09)
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 EGLGRAPHICSBUFFER_H
00016 #define EGLGRAPHICSBUFFER_H
00017 
00018 #include "pandabase.h"
00019 
00020 #include "eglGraphicsPipe.h"
00021 #include "graphicsBuffer.h"
00022 
00023 ////////////////////////////////////////////////////////////////////
00024 //       Class : eglGraphicsBuffer
00025 // Description : An offscreen buffer in the EGL environment.  This
00026 //               creates an EGL pbuffer.
00027 ////////////////////////////////////////////////////////////////////
00028 class eglGraphicsBuffer : public GraphicsBuffer {
00029 public:
00030   eglGraphicsBuffer(GraphicsEngine *engine, GraphicsPipe *pipe, 
00031                     const string &name,
00032                     const FrameBufferProperties &fb_prop,
00033                     const WindowProperties &win_prop,
00034                     int flags,
00035                     GraphicsStateGuardian *gsg,
00036                     GraphicsOutput *host);
00037   virtual ~eglGraphicsBuffer();
00038 
00039   virtual bool begin_frame(FrameMode mode, Thread *current_thread);
00040   virtual void end_frame(FrameMode mode, Thread *current_thread);
00041 
00042 protected:
00043   virtual void close_buffer();
00044   virtual bool open_buffer();
00045 
00046 private:
00047   X11_Display *_display;
00048   EGLSurface _pbuffer;
00049   EGLDisplay _egl_display;
00050 
00051 public:
00052   static TypeHandle get_class_type() {
00053     return _type_handle;
00054   }
00055   static void init_type() {
00056     GraphicsBuffer::init_type();
00057     register_type(_type_handle, "eglGraphicsBuffer",
00058                   GraphicsBuffer::get_class_type());
00059   }
00060   virtual TypeHandle get_type() const {
00061     return get_class_type();
00062   }
00063   virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
00064 
00065 private:
00066   static TypeHandle _type_handle;
00067 };
00068 
00069 #endif
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