|
1 /**************************************************************************** |
|
2 ** |
|
3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). |
|
4 ** All rights reserved. |
|
5 ** Contact: Nokia Corporation (qt-info@nokia.com) |
|
6 ** |
|
7 ** This file is part of the QtGui module of the Qt Toolkit. |
|
8 ** |
|
9 ** $QT_BEGIN_LICENSE:LGPL$ |
|
10 ** No Commercial Usage |
|
11 ** This file contains pre-release code and may not be distributed. |
|
12 ** You may use this file in accordance with the terms and conditions |
|
13 ** contained in the Technology Preview License Agreement accompanying |
|
14 ** this package. |
|
15 ** |
|
16 ** GNU Lesser General Public License Usage |
|
17 ** Alternatively, this file may be used under the terms of the GNU Lesser |
|
18 ** General Public License version 2.1 as published by the Free Software |
|
19 ** Foundation and appearing in the file LICENSE.LGPL included in the |
|
20 ** packaging of this file. Please review the following information to |
|
21 ** ensure the GNU Lesser General Public License version 2.1 requirements |
|
22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
|
23 ** |
|
24 ** In addition, as a special exception, Nokia gives you certain additional |
|
25 ** rights. These rights are described in the Nokia Qt LGPL Exception |
|
26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
|
27 ** |
|
28 ** If you have questions regarding the use of this file, please contact |
|
29 ** Nokia at qt-info@nokia.com. |
|
30 ** |
|
31 ** |
|
32 ** |
|
33 ** |
|
34 ** |
|
35 ** |
|
36 ** |
|
37 ** |
|
38 ** $QT_END_LICENSE$ |
|
39 ** |
|
40 ****************************************************************************/ |
|
41 |
|
42 #include <QtGui/qpaintdevice.h> |
|
43 #include <QtGui/qpixmap.h> |
|
44 #include <QtGui/qwidget.h> |
|
45 #include "qegl_p.h" |
|
46 |
|
47 #if !defined(QT_NO_EGL) |
|
48 |
|
49 #include <qscreen_qws.h> |
|
50 #include <qscreenproxy_qws.h> |
|
51 #include <qapplication.h> |
|
52 #include <qdesktopwidget.h> |
|
53 |
|
54 QT_BEGIN_NAMESPACE |
|
55 |
|
56 // Create the surface for a QPixmap, QImage, or QWidget. |
|
57 // We don't have QGLScreen to create EGL surfaces for us, |
|
58 // so surface creation needs to be done in QtOpenGL or |
|
59 // QtOpenVG for Qt/Embedded. |
|
60 EGLSurface QEglContext::createSurface(QPaintDevice *device, const QEglProperties *properties) |
|
61 { |
|
62 Q_UNUSED(device); |
|
63 Q_UNUSED(properties); |
|
64 return EGL_NO_SURFACE; |
|
65 } |
|
66 |
|
67 EGLDisplay QEglContext::getDisplay(QPaintDevice *device) |
|
68 { |
|
69 Q_UNUSED(device); |
|
70 return eglGetDisplay(EGLNativeDisplayType(EGL_DEFAULT_DISPLAY)); |
|
71 } |
|
72 |
|
73 static QScreen *screenForDevice(QPaintDevice *device) |
|
74 { |
|
75 QScreen *screen = qt_screen; |
|
76 if (!screen) |
|
77 return 0; |
|
78 if (screen->classId() == QScreen::MultiClass) { |
|
79 int screenNumber; |
|
80 if (device && device->devType() == QInternal::Widget) |
|
81 screenNumber = qApp->desktop()->screenNumber(static_cast<QWidget *>(device)); |
|
82 else |
|
83 screenNumber = 0; |
|
84 screen = screen->subScreens()[screenNumber]; |
|
85 } |
|
86 while (screen->classId() == QScreen::ProxyClass || |
|
87 screen->classId() == QScreen::TransformedClass) { |
|
88 screen = static_cast<QProxyScreen *>(screen)->screen(); |
|
89 } |
|
90 return screen; |
|
91 } |
|
92 |
|
93 // Set pixel format and other properties based on a paint device. |
|
94 void QEglProperties::setPaintDeviceFormat(QPaintDevice *dev) |
|
95 { |
|
96 if (!dev) |
|
97 return; |
|
98 |
|
99 // Find the QGLScreen for this paint device. |
|
100 QScreen *screen = screenForDevice(dev); |
|
101 if (!screen) |
|
102 return; |
|
103 int devType = dev->devType(); |
|
104 if (devType == QInternal::Image) |
|
105 setPixelFormat(static_cast<QImage *>(dev)->format()); |
|
106 else |
|
107 setPixelFormat(screen->pixelFormat()); |
|
108 } |
|
109 |
|
110 QT_END_NAMESPACE |
|
111 |
|
112 #endif // !QT_NO_EGL |