Line data Source code
1 :
2 : /* Copyright (c) 2015, Stefan.Eilemann@epfl.ch
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 : #include "windowFactory.h"
19 :
20 : #include "window.h"
21 : #include "windowImpl.h"
22 :
23 : #include "eq/pipe.h"
24 :
25 : #include <QGuiApplication>
26 :
27 : namespace eq
28 : {
29 : namespace qt
30 : {
31 :
32 0 : detail::Window* WindowFactory::onCreateImpl( const eq::Pipe* pipe,
33 : const WindowSettings& settings,
34 : QThread* thread_ )
35 : {
36 : // Trying to infer the screen to use from the pipe device number.
37 : // We will simply assume that each QScreen belongs to a display and that
38 : // each GPU drives a different display. This will work for most setups,
39 : // but will break at the moment a single GPU is driving more than one
40 : // screen. The only solution in those cases is to adjust manually the
41 : // configuration to the setup.
42 : QGuiApplication* app =
43 0 : dynamic_cast< QGuiApplication* >( QCoreApplication::instance( ));
44 0 : LBASSERT(app);
45 :
46 0 : QList< QScreen* > screens = app->screens();
47 : QScreen* screen;
48 0 : const unsigned int device = pipe->getDevice();
49 0 : if( device == LB_UNDEFINED_UINT32 )
50 0 : screen = app->primaryScreen();
51 0 : else if( int(device) >= screens.size( ))
52 : {
53 0 : LBWARN << "Cannot used device number " << device << ", Qt detected "
54 0 : "only " << screens.size() << " screens. Using the default"
55 0 : " screen instead" << std::endl;
56 0 : screen = app->primaryScreen();
57 : }
58 : else
59 : {
60 0 : screen = screens[device];
61 : }
62 0 : return Window::createImpl( settings, screen, thread_ );
63 : }
64 :
65 0 : void WindowFactory::onDestroyImpl( detail::Window* window )
66 : {
67 0 : delete window;
68 0 : }
69 :
70 : }
71 42 : }
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