1// vi:set ft=cpp: -*- Mode: C++ -*-
2/*
3 * (c) 2008-2009 Adam Lackorzynski <adam@os.inf.tu-dresden.de>,
4 *               Alexander Warg <warg@os.inf.tu-dresden.de>
5 *     economic rights: Technische Universität Dresden (Germany)
6 *
7 * This file is part of TUD:OS and distributed under the terms of the
8 * GNU General Public License 2.
9 * Please see the COPYING-GPL-2 file for details.
10 *
11 * As a special exception, you may use this file as part of a free software
12 * library without restriction.  Specifically, if other files instantiate
13 * templates or use macros or inline functions from this file, or you compile
14 * this file and link it with other files to produce an executable, this
15 * file does not by itself cause the resulting executable to be covered by
16 * the GNU General Public License.  This exception does not however
17 * invalidate any other reasons why the executable file might be covered by
18 * the GNU General Public License.
19 */
20#pragma once
21
22#include <l4/re/video/goos>
23
24namespace L4Re { namespace Util { namespace Video {
25
26class Goos_fb
27{
28private:
29  L4::Cap<L4Re::Video::Goos> _goos;
30  L4Re::Video::View _view;
31  L4::Cap<L4Re::Dataspace> _buffer;
32
33  enum Flags
34  {
35    F_dyn_buffer = 0x01,
36    F_dyn_view   = 0x02,
37    F_dyn_goos   = 0x04,
38  };
39  unsigned _flags;
40
41  unsigned _buffer_index;
42
43private:
44  void init();
45
46  Goos_fb(Goos_fb const &);
47  void operator = (Goos_fb const &);
48
49public:
50  Goos_fb() : _goos(L4_INVALID_CAP), _buffer(L4_INVALID_CAP), _flags(0) {}
51
52  explicit Goos_fb(L4::Cap<L4Re::Video::Goos> goos);
53  explicit Goos_fb(char const *name);
54
55  void setup(L4::Cap<L4Re::Video::Goos> goos);
56  void setup(char const *name);
57
58  ~Goos_fb();
59
60  int view_info(L4Re::Video::View::Info *info)
61  { return _view.info(info); }
62
63  L4Re::Video::View const *view() const { return &_view; }
64  L4Re::Video::View *view() { return &_view; }
65
66  L4::Cap<L4Re::Dataspace> buffer() const { return _buffer; }
67  void *attach_buffer();
68
69  int refresh(int x, int y, int w, int h)
70  { return _view.refresh(x, y, w, h); }
71
72  L4::Cap<L4Re::Video::Goos> goos() const { return _goos; }
73};
74}}}
75