qeglfswindow.cpp

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1/****************************************************************************-
2**-
3** Copyright (C) 2015 The Qt Company Ltd.-
4** Contact: http://www.qt.io/licensing/-
5**-
6** This file is part of the plugins of the Qt Toolkit.-
7**-
8** $QT_BEGIN_LICENSE:LGPL21$-
9** Commercial License Usage-
10** Licensees holding valid commercial Qt licenses may use this file in-
11** accordance with the commercial license agreement provided with the-
12** Software or, alternatively, in accordance with the terms contained in-
13** a written agreement between you and The Qt Company. For licensing terms-
14** and conditions see http://www.qt.io/terms-conditions. For further-
15** information use the contact form at http://www.qt.io/contact-us.-
16**-
17** GNU Lesser General Public License Usage-
18** Alternatively, this file may be used under the terms of the GNU Lesser-
19** General Public License version 2.1 or version 3 as published by the Free-
20** Software Foundation and appearing in the file LICENSE.LGPLv21 and-
21** LICENSE.LGPLv3 included in the packaging of this file. Please review the-
22** following information to ensure the GNU Lesser General Public License-
23** requirements will be met: https://www.gnu.org/licenses/lgpl.html and-
24** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.-
25**-
26** As a special exception, The Qt Company gives you certain additional-
27** rights. These rights are described in The Qt Company LGPL Exception-
28** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.-
29**-
30** $QT_END_LICENSE$-
31**-
32****************************************************************************/-
33-
34#include <QtCore/qtextstream.h>-
35#include <qpa/qwindowsysteminterface.h>-
36#include <qpa/qplatformintegration.h>-
37#include <private/qguiapplication_p.h>-
38#include <QtGui/private/qopenglcontext_p.h>-
39#include <QtGui/QOpenGLContext>-
40#include <QtPlatformSupport/private/qeglconvenience_p.h>-
41#include <QtPlatformSupport/private/qopenglcompositorbackingstore_p.h>-
42-
43#include "qeglfswindow.h"-
44#include "qeglfscursor.h"-
45#include "qeglfshooks.h"-
46-
47QT_BEGIN_NAMESPACE-
48-
49QEglFSWindow::QEglFSWindow(QWindow *w)-
50 : QPlatformWindow(w),-
51 m_backingStore(0),-
52 m_raster(false),-
53 m_winId(0),-
54 m_surface(EGL_NO_SURFACE),-
55 m_window(0),-
56 m_flags(0)-
57{-
58}
never executed: end of block
0
59-
60QEglFSWindow::~QEglFSWindow()-
61{-
62 destroy();-
63}
never executed: end of block
0
64-
65static WId newWId()-
66{-
67 static WId id = 0;-
68-
69 if (id == std::numeric_limits<WId>::max())
id == std::num...ts<WId>::max()Description
TRUEnever evaluated
FALSEnever evaluated
0
70 qWarning("QEGLPlatformWindow: Out of window IDs");
never executed: QMessageLogger(__FILE__, 70, __PRETTY_FUNCTION__).warning("QEGLPlatformWindow: Out of window IDs");
0
71-
72 return ++id;
never executed: return ++id;
0
73}-
74-
75void QEglFSWindow::create()-
76{-
77 if (m_flags.testFlag(Created))
m_flags.testFlag(Created)Description
TRUEnever evaluated
FALSEnever evaluated
0
78 return;
never executed: return;
0
79-
80 m_winId = newWId();-
81-
82 // Save the original surface type before changing to OpenGLSurface.-
83 m_raster = (window()->surfaceType() == QSurface::RasterSurface);-
84 if (m_raster) // change to OpenGL, but not for RasterGLSurface
m_rasterDescription
TRUEnever evaluated
FALSEnever evaluated
0
85 window()->setSurfaceType(QSurface::OpenGLSurface);
never executed: window()->setSurfaceType(QSurface::OpenGLSurface);
0
86-
87 if (window()->type() == Qt::Desktop) {
window()->type...== Qt::DesktopDescription
TRUEnever evaluated
FALSEnever evaluated
0
88 QRect fullscreenRect(QPoint(), screen()->availableGeometry().size());-
89 QPlatformWindow::setGeometry(fullscreenRect);-
90 QWindowSystemInterface::handleGeometryChange(window(), fullscreenRect);-
91 return;
never executed: return;
0
92 }-
93-
94 m_flags = Created;-
95-
96 if (window()->type() == Qt::Desktop)
window()->type...== Qt::DesktopDescription
TRUEnever evaluated
FALSEnever evaluated
0
97 return;
never executed: return;
0
98-
99 // Stop if there is already a window backed by a native window and surface. Additional-
100 // raster windows will not have their own native window, surface and context. Instead,-
101 // they will be composited onto the root window's surface.-
102 QEglFSScreen *screen = this->screen();-
103 QOpenGLCompositor *compositor = QOpenGLCompositor::instance();-
104 if (screen->primarySurface() != EGL_NO_SURFACE) {
screen->primar...(EGLSurface)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
105 if (isRaster() && compositor->targetWindow()) {
isRaster()Description
TRUEnever evaluated
FALSEnever evaluated
compositor->targetWindow()Description
TRUEnever evaluated
FALSEnever evaluated
0
106 m_format = compositor->targetWindow()->format();-
107 return;
never executed: return;
0
108 }-
109-
110#if !defined(Q_OS_ANDROID) || defined(Q_OS_ANDROID_NO_SDK)-
111 // We can have either a single OpenGL window or multiple raster windows.-
112 // Other combinations cannot work.-
113 qFatal("EGLFS: OpenGL windows cannot be mixed with others.");-
114#endif-
115-
116 return;
never executed: return;
0
117 }-
118-
119 m_flags |= HasNativeWindow;-
120 setGeometry(QRect()); // will become fullscreen-
121 QWindowSystemInterface::handleExposeEvent(window(), QRect(QPoint(0, 0), geometry().size()));-
122-
123 resetSurface();-
124-
125 if (m_surface == EGL_NO_SURFACE) {
m_surface == ((EGLSurface)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
126 EGLint error = eglGetError();-
127 eglTerminate(screen->display());-
128 qFatal("EGL Error : Could not create the egl surface: error = 0x%x\n", error);-
129 }
never executed: end of block
0
130-
131 screen->setPrimarySurface(m_surface);-
132-
133 if (isRaster()) {
isRaster()Description
TRUEnever evaluated
FALSEnever evaluated
0
134 QOpenGLContext *context = new QOpenGLContext(QGuiApplication::instance());-
135 context->setShareContext(qt_gl_global_share_context());-
136 context->setFormat(m_format);-
137 context->setScreen(window()->screen());-
138 if (!context->create())
!context->create()Description
TRUEnever evaluated
FALSEnever evaluated
0
139 qFatal("EGLFS: Failed to create compositing context");
never executed: QMessageLogger(__FILE__, 139, __PRETTY_FUNCTION__).fatal("EGLFS: Failed to create compositing context");
0
140 compositor->setTarget(context, window());-
141 // If there is a "root" window into which raster and QOpenGLWidget content is-
142 // composited, all other contexts must share with its context.-
143 if (!qt_gl_global_share_context()) {
!qt_gl_global_share_context()Description
TRUEnever evaluated
FALSEnever evaluated
0
144 qt_gl_set_global_share_context(context);-
145 // What we set up here is in effect equivalent to the application setting-
146 // AA_ShareOpenGLContexts. Set the attribute to be fully consistent.-
147 QCoreApplication::setAttribute(Qt::AA_ShareOpenGLContexts);-
148 }
never executed: end of block
0
149 }
never executed: end of block
0
150}
never executed: end of block
0
151-
152void QEglFSWindow::destroy()-
153{-
154 QEglFSScreen *screen = this->screen();-
155 if (m_flags.testFlag(HasNativeWindow)) {
m_flags.testFl...sNativeWindow)Description
TRUEnever evaluated
FALSEnever evaluated
0
156 QEglFSCursor *cursor = qobject_cast<QEglFSCursor *>(screen->cursor());-
157 if (cursor)
cursorDescription
TRUEnever evaluated
FALSEnever evaluated
0
158 cursor->resetResources();
never executed: cursor->resetResources();
0
159-
160 if (screen->primarySurface() == m_surface)
screen->primar...) == m_surfaceDescription
TRUEnever evaluated
FALSEnever evaluated
0
161 screen->setPrimarySurface(EGL_NO_SURFACE);
never executed: screen->setPrimarySurface(((EGLSurface)0));
0
162-
163 invalidateSurface();-
164 }
never executed: end of block
0
165-
166 m_flags = 0;-
167 QOpenGLCompositor::instance()->removeWindow(this);-
168}
never executed: end of block
0
169-
170void QEglFSWindow::invalidateSurface()-
171{-
172 if (m_surface != EGL_NO_SURFACE) {
m_surface != ((EGLSurface)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
173 eglDestroySurface(screen()->display(), m_surface);-
174 m_surface = EGL_NO_SURFACE;-
175 }
never executed: end of block
0
176 qt_egl_device_integration()->destroyNativeWindow(m_window);-
177 m_window = 0;-
178}
never executed: end of block
0
179-
180void QEglFSWindow::resetSurface()-
181{-
182 EGLDisplay display = screen()->display();-
183 QSurfaceFormat platformFormat = qt_egl_device_integration()->surfaceFormatFor(window()->requestedFormat());-
184-
185 m_config = QEglFSIntegration::chooseConfig(display, platformFormat);-
186 m_format = q_glFormatFromConfig(display, m_config, platformFormat);-
187 m_window = qt_egl_device_integration()->createNativeWindow(this, screen()->geometry().size(), m_format);-
188 m_surface = eglCreateWindowSurface(display, m_config, m_window, NULL);-
189}
never executed: end of block
0
190-
191void QEglFSWindow::setVisible(bool visible)-
192{-
193 QOpenGLCompositor *compositor = QOpenGLCompositor::instance();-
194 QList<QOpenGLCompositorWindow *> windows = compositor->windows();-
195 QWindow *wnd = window();-
196-
197 if (wnd->type() != Qt::Desktop) {
wnd->type() != Qt::DesktopDescription
TRUEnever evaluated
FALSEnever evaluated
0
198 if (visible) {
visibleDescription
TRUEnever evaluated
FALSEnever evaluated
0
199 compositor->addWindow(this);-
200 } else {
never executed: end of block
0
201 compositor->removeWindow(this);-
202 windows = compositor->windows();-
203 if (windows.size())
windows.size()Description
TRUEnever evaluated
FALSEnever evaluated
0
204 windows.last()->sourceWindow()->requestActivate();
never executed: windows.last()->sourceWindow()->requestActivate();
0
205 }
never executed: end of block
0
206 }-
207-
208 QWindowSystemInterface::handleExposeEvent(wnd, QRect(QPoint(0, 0), wnd->geometry().size()));-
209-
210 if (visible)
visibleDescription
TRUEnever evaluated
FALSEnever evaluated
0
211 QWindowSystemInterface::flushWindowSystemEvents(QEventLoop::ExcludeUserInputEvents);
never executed: QWindowSystemInterface::flushWindowSystemEvents(QEventLoop::ExcludeUserInputEvents);
0
212}
never executed: end of block
0
213-
214void QEglFSWindow::setGeometry(const QRect &r)-
215{-
216 QRect rect;-
217 bool forceFullscreen = m_flags.testFlag(HasNativeWindow);-
218 if (forceFullscreen)
forceFullscreenDescription
TRUEnever evaluated
FALSEnever evaluated
0
219 rect = screen()->availableGeometry();
never executed: rect = screen()->availableGeometry();
0
220 else-
221 rect = r;
never executed: rect = r;
0
222-
223 QPlatformWindow::setGeometry(rect);-
224-
225 // if we corrected the size, trigger a resize event-
226 if (rect != r)
rect != rDescription
TRUEnever evaluated
FALSEnever evaluated
0
227 QWindowSystemInterface::handleGeometryChange(window(), rect, r);
never executed: QWindowSystemInterface::handleGeometryChange(window(), rect, r);
0
228}
never executed: end of block
0
229-
230QRect QEglFSWindow::geometry() const-
231{-
232 // For yet-to-become-fullscreen windows report the geometry covering the entire-
233 // screen. This is particularly important for Quick where the root object may get-
234 // sized to some geometry queried before calling create().-
235 if (!m_flags.testFlag(Created) && screen()->primarySurface() == EGL_NO_SURFACE)
!m_flags.testFlag(Created)Description
TRUEnever evaluated
FALSEnever evaluated
screen()->prim...(EGLSurface)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
236 return screen()->availableGeometry();
never executed: return screen()->availableGeometry();
0
237-
238 return QPlatformWindow::geometry();
never executed: return QPlatformWindow::geometry();
0
239}-
240-
241void QEglFSWindow::requestActivateWindow()-
242{-
243 if (window()->type() != Qt::Desktop)
window()->type...!= Qt::DesktopDescription
TRUEnever evaluated
FALSEnever evaluated
0
244 QOpenGLCompositor::instance()->moveToTop(this);
never executed: QOpenGLCompositor::instance()->moveToTop(this);
0
245-
246 QWindow *wnd = window();-
247 QWindowSystemInterface::handleWindowActivated(wnd);-
248 QWindowSystemInterface::handleExposeEvent(wnd, QRect(QPoint(0, 0), wnd->geometry().size()));-
249}
never executed: end of block
0
250-
251void QEglFSWindow::raise()-
252{-
253 QWindow *wnd = window();-
254 if (wnd->type() != Qt::Desktop) {
wnd->type() != Qt::DesktopDescription
TRUEnever evaluated
FALSEnever evaluated
0
255 QOpenGLCompositor::instance()->moveToTop(this);-
256 QWindowSystemInterface::handleExposeEvent(wnd, QRect(QPoint(0, 0), wnd->geometry().size()));-
257 }
never executed: end of block
0
258}
never executed: end of block
0
259-
260void QEglFSWindow::lower()-
261{-
262 QOpenGLCompositor *compositor = QOpenGLCompositor::instance();-
263 QList<QOpenGLCompositorWindow *> windows = compositor->windows();-
264 if (window()->type() != Qt::Desktop && windows.count() > 1) {
window()->type...!= Qt::DesktopDescription
TRUEnever evaluated
FALSEnever evaluated
windows.count() > 1Description
TRUEnever evaluated
FALSEnever evaluated
0
265 int idx = windows.indexOf(this);-
266 if (idx > 0) {
idx > 0Description
TRUEnever evaluated
FALSEnever evaluated
0
267 compositor->changeWindowIndex(this, idx - 1);-
268 QWindowSystemInterface::handleExposeEvent(windows.last()->sourceWindow(),-
269 QRect(QPoint(0, 0), windows.last()->sourceWindow()->geometry().size()));-
270 }
never executed: end of block
0
271 }
never executed: end of block
0
272}
never executed: end of block
0
273-
274EGLSurface QEglFSWindow::surface() const-
275{-
276 return m_surface != EGL_NO_SURFACE ? m_surface : screen()->primarySurface();
never executed: return m_surface != ((EGLSurface)0) ? m_surface : screen()->primarySurface();
m_surface != ((EGLSurface)0)Description
TRUEnever evaluated
FALSEnever evaluated
0
277}-
278-
279QSurfaceFormat QEglFSWindow::format() const-
280{-
281 return m_format;
never executed: return m_format;
0
282}-
283-
284EGLNativeWindowType QEglFSWindow::eglWindow() const-
285{-
286 return m_window;
never executed: return m_window;
0
287}-
288-
289QEglFSScreen *QEglFSWindow::screen() const-
290{-
291 return static_cast<QEglFSScreen *>(QPlatformWindow::screen());
never executed: return static_cast<QEglFSScreen *>(QPlatformWindow::screen());
0
292}-
293-
294bool QEglFSWindow::isRaster() const-
295{-
296 return m_raster || window()->surfaceType() == QSurface::RasterGLSurface;
never executed: return m_raster || window()->surfaceType() == QSurface::RasterGLSurface;
m_rasterDescription
TRUEnever evaluated
FALSEnever evaluated
window()->surf...asterGLSurfaceDescription
TRUEnever evaluated
FALSEnever evaluated
0
297}-
298-
299QWindow *QEglFSWindow::sourceWindow() const-
300{-
301 return window();
never executed: return window();
0
302}-
303-
304const QPlatformTextureList *QEglFSWindow::textures() const-
305{-
306 if (m_backingStore)
m_backingStoreDescription
TRUEnever evaluated
FALSEnever evaluated
0
307 return m_backingStore->textures();
never executed: return m_backingStore->textures();
0
308-
309 return 0;
never executed: return 0;
0
310}-
311-
312void QEglFSWindow::endCompositing()-
313{-
314 if (m_backingStore)
m_backingStoreDescription
TRUEnever evaluated
FALSEnever evaluated
0
315 m_backingStore->notifyComposited();
never executed: m_backingStore->notifyComposited();
0
316}
never executed: end of block
0
317-
318WId QEglFSWindow::winId() const-
319{-
320 return m_winId;
never executed: return m_winId;
0
321}-
322-
323void QEglFSWindow::setOpacity(qreal)-
324{-
325 if (!isRaster())
!isRaster()Description
TRUEnever evaluated
FALSEnever evaluated
0
326 qWarning("QEglFSWindow: Cannot set opacity for non-raster windows");
never executed: QMessageLogger(__FILE__, 326, __PRETTY_FUNCTION__).warning("QEglFSWindow: Cannot set opacity for non-raster windows");
0
327-
328 // Nothing to do here. The opacity is stored in the QWindow.-
329}
never executed: end of block
0
330-
331QT_END_NAMESPACE-
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