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eglGraphicsBuffer.h
1 // Filename: eglGraphicsBuffer.h
2 // Created by: rdb (13Jun09)
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 EGLGRAPHICSBUFFER_H
16 #define EGLGRAPHICSBUFFER_H
17 
18 #include "pandabase.h"
19 
20 #include "eglGraphicsPipe.h"
21 #include "graphicsBuffer.h"
22 
23 ////////////////////////////////////////////////////////////////////
24 // Class : eglGraphicsBuffer
25 // Description : An offscreen buffer in the EGL environment. This
26 // creates an EGL pbuffer.
27 ////////////////////////////////////////////////////////////////////
29 public:
31  const string &name,
32  const FrameBufferProperties &fb_prop,
33  const WindowProperties &win_prop,
34  int flags,
36  GraphicsOutput *host);
37  virtual ~eglGraphicsBuffer();
38 
39  virtual bool begin_frame(FrameMode mode, Thread *current_thread);
40  virtual void end_frame(FrameMode mode, Thread *current_thread);
41 
42 protected:
43  virtual void close_buffer();
44  virtual bool open_buffer();
45 
46 private:
47  X11_Display *_display;
48  EGLSurface _pbuffer;
49  EGLDisplay _egl_display;
50 
51 public:
52  static TypeHandle get_class_type() {
53  return _type_handle;
54  }
55  static void init_type() {
56  GraphicsBuffer::init_type();
57  register_type(_type_handle, "eglGraphicsBuffer",
58  GraphicsBuffer::get_class_type());
59  }
60  virtual TypeHandle get_type() const {
61  return get_class_type();
62  }
63  virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
64 
65 private:
66  static TypeHandle _type_handle;
67 };
68 
69 #endif
A container for the various kinds of properties we might ask to have on a graphics window before we o...
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...
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...
An offscreen buffer in the EGL environment.
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...
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...