1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
|
/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtGui/qpaintdevice.h>
#include <QtGui/qpixmap.h>
#include <QtGui/qwidget.h>
#include "qegl_p.h"
#include <coecntrl.h>
QT_BEGIN_NAMESPACE
EGLSurface QEglContext::createSurface(QPaintDevice *device, const QEglProperties *properties)
{
// Create the native drawable for the paint device.
int devType = device->devType();
EGLNativePixmapType pixmapDrawable = 0;
EGLNativeWindowType windowDrawable = 0;
bool ok;
if (devType == QInternal::Pixmap) {
pixmapDrawable = 0;
ok = (pixmapDrawable != 0);
} else if (devType == QInternal::Widget) {
QWidget *w = static_cast<QWidget *>(device);
windowDrawable = (EGLNativeWindowType)(w->winId()->DrawableWindow());
ok = (windowDrawable != 0);
} else {
ok = false;
}
if (!ok) {
qWarning("QEglContext::createSurface(): Cannot create the native EGL drawable");
return EGL_NO_SURFACE;
}
// Create the EGL surface to draw into, based on the native drawable.
const int *props;
if (properties)
props = properties->properties();
else
props = 0;
EGLSurface surf;
if (devType == QInternal::Widget)
surf = eglCreateWindowSurface(dpy, cfg, windowDrawable, 0);
else
surf = eglCreatePixmapSurface(dpy, cfg, pixmapDrawable, 0);
if (surf == EGL_NO_SURFACE)
qWarning("QEglContext::createSurface(): Unable to create EGL surface, error = 0x%x", eglGetError());
return surf;
}
EGLDisplay QEglContext::getDisplay(QPaintDevice *device)
{
EGLDisplay dpy = eglGetDisplay(EGL_DEFAULT_DISPLAY);
if (dpy == EGL_NO_DISPLAY)
qWarning("QEglContext::defaultDisplay(): Falling back to EGL_DEFAULT_DISPLAY");
return dpy;
}
// Set pixel format and other properties based on a paint device.
void QEglProperties::setPaintDeviceFormat(QPaintDevice *dev)
{
if(!dev)
return;
int devType = dev->devType();
if (devType == QInternal::Image)
setPixelFormat(static_cast<QImage *>(dev)->format());
else
setPixelFormat(QImage::Format_RGB32);
}
QT_END_NAMESPACE
|
