Line data Source code
1 :
2 : /* Copyright (c) 2013-2016, Stefan Eilemann <eile@equalizergraphics.com>
3 : *
4 : * This library is free software; you can redistribute it and/or modify it under
5 : * the terms of the GNU Lesser General Public License version 2.1 as published
6 : * by the Free Software Foundation.
7 : *
8 : * This library is distributed in the hope that it will be useful, but WITHOUT
9 : * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
10 : * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
11 : * details.
12 : *
13 : * You should have received a copy of the GNU Lesser General Public License
14 : * along with this library; if not, write to the Free Software Foundation, Inc.,
15 : * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
16 : */
17 :
18 : namespace eq
19 : {
20 : namespace detail
21 : {
22 1 : class InitVisitor : public ConfigVisitor
23 : {
24 : public:
25 1 : InitVisitor( const Strings& activeLayouts, const float modelUnit )
26 1 : : _layouts( activeLayouts ), _modelUnit( modelUnit ), _update( false )
27 1 : {}
28 :
29 1 : virtual VisitorResult visit( eq::Observer* observer )
30 : {
31 1 : if( observer->configInit( ))
32 1 : return TRAVERSE_CONTINUE;
33 0 : LBWARN << *observer << " initialization failed" << std::endl;
34 0 : return TRAVERSE_TERMINATE;
35 : }
36 :
37 1 : virtual VisitorResult visit( eq::View* view )
38 : {
39 1 : if( view->setModelUnit( _modelUnit ))
40 0 : _update = true;
41 1 : if( view->configInit( ))
42 1 : return TRAVERSE_CONTINUE;
43 0 : LBWARN << *view << " initialization failed" << std::endl;
44 0 : return TRAVERSE_TERMINATE;
45 : }
46 :
47 1 : virtual VisitorResult visitPre( eq::Canvas* canvas )
48 : {
49 1 : const Layouts& layouts = canvas->getLayouts();
50 :
51 1 : for( StringsCIter i = _layouts.begin(); i != _layouts.end(); ++i )
52 : {
53 0 : const std::string& name = *i;
54 0 : for( LayoutsCIter j = layouts.begin(); j != layouts.end(); ++j )
55 : {
56 0 : const eq::Layout* layout = *j;
57 0 : if( layout && layout->getName() == name &&
58 0 : canvas->useLayout( j - layouts.begin( )))
59 : {
60 0 : _update = true;
61 : }
62 : }
63 : }
64 1 : return TRAVERSE_CONTINUE;
65 : }
66 :
67 1 : bool needsUpdate() const { return _update; }
68 :
69 : private:
70 : const Strings& _layouts;
71 : const float _modelUnit;
72 : bool _update;
73 : };
74 : }
75 : }
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