Panda3D
tinyGraphicsBuffer.h
1 // Filename: tinyGraphicsBuffer.h
2 // Created by: drose (08Aug08)
3 //
4 ////////////////////////////////////////////////////////////////////
5 //
6 // PANDA 3D SOFTWARE
7 // Copyright (c) Carnegie Mellon University. All rights reserved.
8 //
9 // All use of this software is subject to the terms of the revised BSD
10 // license. You should have received a copy of this license along
11 // with this source code in a file named "LICENSE."
12 //
13 ////////////////////////////////////////////////////////////////////
14 
15 #ifndef TINYGRAPHICSBUFFER_H
16 #define TINYGRAPHICSBUFFER_H
17 
18 #include "pandabase.h"
19 #include "graphicsBuffer.h"
20 #include "tinyGraphicsStateGuardian.h"
21 
22 ////////////////////////////////////////////////////////////////////
23 // Class : TinyGraphicsBuffer
24 // Description : An offscreen graphics buffer.
25 ////////////////////////////////////////////////////////////////////
26 class EXPCL_TINYDISPLAY TinyGraphicsBuffer : public GraphicsBuffer {
27 public:
29  const string &name,
30  const FrameBufferProperties &fb_prop,
31  const WindowProperties &win_prop,
32  int flags,
34  GraphicsOutput *host);
35  virtual ~TinyGraphicsBuffer();
36 
37  virtual bool begin_frame(FrameMode mode, Thread *current_thread);
38  virtual void end_frame(FrameMode mode, Thread *current_thread);
39 
40  INLINE ZBuffer *get_frame_buffer();
41 
42 protected:
43  virtual void close_buffer();
44  virtual bool open_buffer();
45 
46 private:
47  void create_frame_buffer();
48 
49 private:
50  ZBuffer *_frame_buffer;
51 
52 public:
53  static TypeHandle get_class_type() {
54  return _type_handle;
55  }
56  static void init_type() {
57  GraphicsBuffer::init_type();
58  register_type(_type_handle, "TinyGraphicsBuffer",
59  GraphicsBuffer::get_class_type());
60  }
61  virtual TypeHandle get_type() const {
62  return get_class_type();
63  }
64  virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
65 
66 private:
67  static TypeHandle _type_handle;
68 };
69 
70 #include "tinyGraphicsBuffer.I"
71 
72 #endif
73 
An offscreen graphics buffer.
virtual void end_frame(FrameMode mode, Thread *current_thread)
This function will be called within the draw thread after rendering is completed for a given frame...
A container for the various kinds of properties we might ask to have on a graphics window before we o...
An offscreen buffer for rendering into.
An object to create GraphicsOutputs that share a particular 3-D API.
Definition: graphicsPipe.h:58
This is a base class for the various different classes that represent the result of a frame of render...
A thread; that is, a lightweight process.
Definition: thread.h:51
Encapsulates all the communication with a particular instance of a given rendering backend...
This class is the main interface to controlling the render process.
TypeHandle is the identifier used to differentiate C++ class types.
Definition: typeHandle.h:85
A container for the various kinds of properties we might ask to have on a graphics frameBuffer before...
virtual bool begin_frame(FrameMode mode, Thread *current_thread)
This function will be called within the draw thread before beginning rendering for a given frame...