Panda3D

tinyGraphicsBuffer.h

00001 // Filename: tinyGraphicsBuffer.h
00002 // Created by:  drose (08Aug08)
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 TINYGRAPHICSBUFFER_H
00016 #define TINYGRAPHICSBUFFER_H
00017 
00018 #include "pandabase.h"
00019 #include "graphicsBuffer.h"
00020 #include "tinyGraphicsStateGuardian.h"
00021 
00022 ////////////////////////////////////////////////////////////////////
00023 //       Class : TinyGraphicsBuffer
00024 // Description : An offscreen graphics buffer.
00025 ////////////////////////////////////////////////////////////////////
00026 class EXPCL_TINYDISPLAY TinyGraphicsBuffer : public GraphicsBuffer {
00027 public:
00028   TinyGraphicsBuffer(GraphicsEngine *engine, GraphicsPipe *pipe, 
00029                      const string &name,
00030                      const FrameBufferProperties &fb_prop,
00031                      const WindowProperties &win_prop,
00032                      int flags,
00033                      GraphicsStateGuardian *gsg,
00034                      GraphicsOutput *host);
00035   virtual ~TinyGraphicsBuffer();
00036 
00037   virtual bool begin_frame(FrameMode mode, Thread *current_thread);
00038   virtual void end_frame(FrameMode mode, Thread *current_thread);
00039 
00040   INLINE ZBuffer *get_frame_buffer();
00041 
00042 protected:
00043   virtual void close_buffer();
00044   virtual bool open_buffer();
00045 
00046 private:
00047   void create_frame_buffer();
00048 
00049 private:
00050   ZBuffer *_frame_buffer;
00051 
00052 public:
00053   static TypeHandle get_class_type() {
00054     return _type_handle;
00055   }
00056   static void init_type() {
00057     GraphicsBuffer::init_type();
00058     register_type(_type_handle, "TinyGraphicsBuffer",
00059                   GraphicsBuffer::get_class_type());
00060   }
00061   virtual TypeHandle get_type() const {
00062     return get_class_type();
00063   }
00064   virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
00065 
00066 private:
00067   static TypeHandle _type_handle;
00068 };
00069 
00070 #include "tinyGraphicsBuffer.I"
00071 
00072 #endif
00073 
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