Line data Source code
1 :
2 : /* Copyright (c) 2014-2016, Daniel Nachbaur <danielnachbaur@gmail.com>
3 : * Juan Hernando <jhernando@fi.upm.es>
4 : * Stefan.Eilemann@epfl.ch
5 : *
6 : * This library is free software; you can redistribute it and/or modify it under
7 : * the terms of the GNU Lesser General Public License version 2.1 as published
8 : * by the Free Software Foundation.
9 : *
10 : * This library is distributed in the hope that it will be useful, but WITHOUT
11 : * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
12 : * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
13 : * details.
14 : *
15 : * You should have received a copy of the GNU Lesser General Public License
16 : * along with this library; if not, write to the Free Software Foundation, Inc.,
17 : * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18 : */
19 :
20 : #include "window.h"
21 : #include "detail/window.h"
22 :
23 : #include "shareContextWindow.h"
24 : #include <eq/fabric/sizeEvent.h>
25 :
26 : namespace eq
27 : {
28 : namespace qt
29 : {
30 : namespace
31 : {
32 0 : QOpenGLContext* _getShareContext(const WindowSettings& settings)
33 : {
34 0 : const SystemWindow* shareWindow = settings.getSharedContextWindow();
35 0 : const Window* window = dynamic_cast<const Window*>(shareWindow);
36 0 : if (window)
37 : // This only works if configInit has already been called in the window
38 0 : return window->getContext();
39 :
40 : const ShareContextWindow* dummyWindow =
41 0 : dynamic_cast<const ShareContextWindow*>(shareWindow);
42 0 : return dummyWindow ? dummyWindow->getContext() : 0;
43 : }
44 :
45 0 : detail::Window* _createImpl(WindowIF& windowIF, const WindowSettings& settings,
46 : QScreen* screen, QThread* thread)
47 : {
48 0 : QOpenGLContext* shareContext = _getShareContext(settings);
49 : const int32_t drawable =
50 0 : windowIF.getIAttribute(WindowSettings::IATTR_HINT_DRAWABLE);
51 0 : detail::Window* window = nullptr;
52 0 : if (drawable == eq::WINDOW)
53 0 : window = new detail::QWindowWrapper(windowIF, thread, settings, screen,
54 0 : shareContext);
55 : else
56 0 : window =
57 : new detail::QOffscreenSurfaceWrapper(windowIF, thread, settings,
58 0 : screen, shareContext);
59 0 : LBASSERT(window);
60 0 : if (thread)
61 0 : window->getContext()->moveToThread(thread);
62 0 : return window;
63 : }
64 : }
65 :
66 0 : Window::Window(NotifierInterface& parent_, const WindowSettings& settings,
67 0 : QScreen* screen, QThread* thr)
68 : : WindowIF(parent_, settings)
69 0 : , _impl(_createImpl(*this, settings, screen, thr))
70 : {
71 0 : LBASSERT(_impl);
72 0 : }
73 :
74 0 : Window::~Window()
75 : {
76 0 : destroyImpl(_impl);
77 0 : }
78 :
79 0 : bool Window::configInit()
80 : {
81 0 : if (!_impl->configInit())
82 0 : return false;
83 :
84 0 : makeCurrent();
85 0 : initGLEW();
86 :
87 0 : const int32_t drawable = getIAttribute(WindowSettings::IATTR_HINT_DRAWABLE);
88 0 : if (drawable == FBO)
89 0 : return configInitFBO();
90 0 : return true;
91 : }
92 :
93 0 : void Window::configExit()
94 : {
95 0 : configExitFBO();
96 0 : makeCurrent();
97 0 : exitGLEW();
98 0 : _impl->doneCurrent();
99 0 : }
100 :
101 0 : QOpenGLContext* Window::getContext() const
102 : {
103 0 : return _impl->getContext();
104 : }
105 :
106 0 : void Window::makeCurrent(const bool cache LB_UNUSED) const
107 : {
108 : // Qt (at least on Windows) complains about call to non-current context
109 : // while swapBuffers()
110 : #ifndef _MSC_VER
111 0 : if (cache && isCurrent())
112 0 : return;
113 : #endif
114 :
115 0 : _impl->makeCurrent(); // Make real GL context current first
116 0 : WindowIF::makeCurrent(); // Validate FBO binding and caching state
117 : }
118 :
119 0 : void Window::doneCurrent() const
120 : {
121 0 : if (!isCurrent())
122 0 : return;
123 :
124 0 : _impl->doneCurrent();
125 0 : WindowIF::doneCurrent();
126 : }
127 :
128 0 : void Window::_resize(const PixelViewport& pvp)
129 : {
130 0 : _impl->resize(pvp);
131 0 : }
132 :
133 0 : void Window::swapBuffers()
134 : {
135 0 : _impl->swapBuffers();
136 0 : }
137 :
138 0 : void Window::joinNVSwapBarrier(const uint32_t /*group*/,
139 : const uint32_t /*barrier*/)
140 : {
141 0 : }
142 :
143 0 : void Window::leaveNVSwapBarrier()
144 : {
145 0 : }
146 :
147 0 : bool Window::processEvent(const EventType type, QEvent* qEvent,
148 : SizeEvent& sizeEvent)
149 : {
150 : // Resize the FBO if needed
151 0 : if (type == EVENT_WINDOW_RESIZE && getFrameBufferObject())
152 0 : getFrameBufferObject()->resize(sizeEvent.w, sizeEvent.h);
153 :
154 0 : return WindowIF::processEvent(type, qEvent, sizeEvent);
155 : }
156 :
157 0 : QObject* Window::getEventProcessor()
158 : {
159 0 : return _impl->getEventProcessor();
160 : }
161 :
162 0 : void Window::moveContextToThread(QThread* thread_)
163 : {
164 0 : _impl->getContext()->moveToThread(thread_);
165 0 : }
166 : }
167 30 : }
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