source: trunk/src/opengl/qpixmapdata_x11gl_egl.cpp@ 1040

Last change on this file since 1040 was 846, checked in by Dmitry A. Kuminov, 14 years ago

trunk: Merged in qt 4.7.2 sources from branches/vendor/nokia/qt.

  • Property svn:eol-style set to native
File size: 12.5 KB
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1/****************************************************************************
2**
3** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
4** All rights reserved.
5** Contact: Nokia Corporation ([email protected])
6**
7** This file is part of the QtOpenGL module of the Qt Toolkit.
8**
9** $QT_BEGIN_LICENSE:LGPL$
10** Commercial Usage
11** Licensees holding valid Qt Commercial licenses may use this file in
12** accordance with the Qt Commercial License Agreement provided with the
13** Software or, alternatively, in accordance with the terms contained in
14** a written agreement between you and Nokia.
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** GNU General Public License Usage
29** Alternatively, this file may be used under the terms of the GNU
30** General Public License version 3.0 as published by the Free Software
31** Foundation and appearing in the file LICENSE.GPL included in the
32** packaging of this file. Please review the following information to
33** ensure the GNU General Public License version 3.0 requirements will be
34** met: http://www.gnu.org/copyleft/gpl.html.
35**
36** If you have questions regarding the use of this file, please contact
37** Nokia at [email protected].
38** $QT_END_LICENSE$
39**
40****************************************************************************/
41
42#include <QDebug>
43
44#include <QtGui/private/qt_x11_p.h>
45#include <QtGui/private/qegl_p.h>
46#include <QtGui/private/qeglproperties_p.h>
47#include <QtGui/private/qeglcontext_p.h>
48
49#if !defined(QT_OPENGL_ES_1)
50#include <QtOpenGL/private/qpaintengineex_opengl2_p.h>
51#endif
52
53#ifndef QT_OPENGL_ES_2
54#include <QtOpenGL/private/qpaintengine_opengl_p.h>
55#endif
56
57#include <QtOpenGL/private/qgl_p.h>
58#include <QtOpenGL/private/qgl_egl_p.h>
59
60#include "qpixmapdata_x11gl_p.h"
61
62QT_BEGIN_NAMESPACE
63
64
65class QX11GLSharedContexts
66{
67public:
68 QX11GLSharedContexts()
69 : rgbContext(0)
70 , argbContext(0)
71 , sharedQGLContext(0)
72 , sharePixmap(0)
73 {
74 EGLint rgbConfigId;
75 EGLint argbConfigId;
76
77 do {
78 EGLConfig rgbConfig = QEgl::defaultConfig(QInternal::Pixmap, QEgl::OpenGL, QEgl::Renderable);
79 EGLConfig argbConfig = QEgl::defaultConfig(QInternal::Pixmap, QEgl::OpenGL,
80 QEgl::Renderable | QEgl::Translucent);
81
82 eglGetConfigAttrib(QEgl::display(), rgbConfig, EGL_CONFIG_ID, &rgbConfigId);
83 eglGetConfigAttrib(QEgl::display(), argbConfig, EGL_CONFIG_ID, &argbConfigId);
84
85 rgbContext = new QEglContext;
86 rgbContext->setConfig(rgbConfig);
87 rgbContext->createContext();
88
89 if (!rgbContext->isValid())
90 break;
91
92 // If the RGB & ARGB configs are the same, use the same egl context for both:
93 if (rgbConfig == argbConfig)
94 argbContext = rgbContext;
95
96 // Otherwise, create a separate context to be used for ARGB pixmaps:
97 if (!argbContext) {
98 argbContext = new QEglContext;
99 argbContext->setConfig(argbConfig);
100 bool success = argbContext->createContext(rgbContext);
101 if (!success) {
102 qWarning("QX11GLPixmapData - RGB & ARGB contexts aren't shared");
103 success = argbContext->createContext();
104 if (!success)
105 argbContext = rgbContext; // Might work, worth a shot at least.
106 }
107 }
108
109 if (!argbContext->isValid())
110 break;
111
112 // Create the pixmap which will be used to create the egl surface for the share QGLContext
113 QX11PixmapData *rgbPixmapData = new QX11PixmapData(QPixmapData::PixmapType);
114 rgbPixmapData->resize(8, 8);
115 rgbPixmapData->fill(Qt::red);