1 /**************************************************************************** 2 ** 3 ** Copyright (C) 2016 The Qt Company Ltd. 4 ** Contact: https://www.qt.io/licensing/ 5 ** 6 ** This file is part of the plugins of the Qt Toolkit. 7 ** 8 ** $QT_BEGIN_LICENSE:LGPL$ 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 https://www.qt.io/terms-conditions. For further 15 ** information use the contact form at https://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 3 as published by the Free Software 20 ** Foundation and appearing in the file LICENSE.LGPL3 included in the 21 ** packaging of this file. Please review the following information to 22 ** ensure the GNU Lesser General Public License version 3 requirements 23 ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. 24 ** 25 ** GNU General Public License Usage 26 ** Alternatively, this file may be used under the terms of the GNU 27 ** General Public License version 2.0 or (at your option) the GNU General 28 ** Public license version 3 or any later version approved by the KDE Free 29 ** Qt Foundation. The licenses are as published by the Free Software 30 ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 31 ** included in the packaging of this file. Please review the following 32 ** information to ensure the GNU General Public License requirements will 33 ** be met: https://www.gnu.org/licenses/gpl-2.0.html and 34 ** https://www.gnu.org/licenses/gpl-3.0.html. 35 ** 36 ** $QT_END_LICENSE$ 37 ** 38 ****************************************************************************/ 39 40 #ifndef QEGLCONVENIENCE_H 41 #define QEGLCONVENIENCE_H 42 43 // 44 // W A R N I N G 45 // ------------- 46 // 47 // This file is not part of the Qt API. It exists purely as an 48 // implementation detail. This header file may change from version to 49 // version without notice, or even be removed. 50 // 51 // We mean it. 52 // 53 54 #include <QtGui/QSurfaceFormat> 55 #include <QtCore/QVector> 56 #include <QtCore/QSizeF> 57 #include <QtEglSupport/private/qt_egl_p.h> 58 59 QT_BEGIN_NAMESPACE 60 61 QVector<EGLint> q_createConfigAttributesFromFormat(const QSurfaceFormat &format); 62 bool q_reduceConfigAttributes(QVector<EGLint> *configAttributes); 63 EGLConfig q_configFromGLFormat(EGLDisplay display, const QSurfaceFormat &format, bool highestPixelFormat = false, int surfaceType = EGL_WINDOW_BIT); 64 QSurfaceFormat q_glFormatFromConfig(EGLDisplay display, const EGLConfig config, const QSurfaceFormat &referenceFormat = QSurfaceFormat()); 65 bool q_hasEglExtension(EGLDisplay display,const char* extensionName); 66 void q_printEglConfig(EGLDisplay display, EGLConfig config); 67 68 #ifdef Q_OS_UNIX 69 QSizeF q_physicalScreenSizeFromFb(int framebufferDevice, const QSize &screenSize = QSize()); 70 QSize q_screenSizeFromFb(int framebufferDevice); 71 int q_screenDepthFromFb(int framebufferDevice); 72 qreal q_refreshRateFromFb(int framebufferDevice); 73 #endif 74 75 class QEglConfigChooser 76 { 77 public: 78 QEglConfigChooser(EGLDisplay display); 79 virtual ~QEglConfigChooser(); 80 display()81 EGLDisplay display() const { return m_display; } 82 setSurfaceType(EGLint surfaceType)83 void setSurfaceType(EGLint surfaceType) { m_surfaceType = surfaceType; } surfaceType()84 EGLint surfaceType() const { return m_surfaceType; } 85 setSurfaceFormat(const QSurfaceFormat & format)86 void setSurfaceFormat(const QSurfaceFormat &format) { m_format = format; } surfaceFormat()87 QSurfaceFormat surfaceFormat() const { return m_format; } 88 setIgnoreColorChannels(bool ignore)89 void setIgnoreColorChannels(bool ignore) { m_ignore = ignore; } ignoreColorChannels()90 bool ignoreColorChannels() const { return m_ignore; } 91 92 EGLConfig chooseConfig(); 93 94 protected: 95 virtual bool filterConfig(EGLConfig config) const; 96 97 QSurfaceFormat m_format; 98 EGLDisplay m_display; 99 EGLint m_surfaceType; 100 bool m_ignore; 101 102 int m_confAttrRed; 103 int m_confAttrGreen; 104 int m_confAttrBlue; 105 int m_confAttrAlpha; 106 }; 107 108 109 QT_END_NAMESPACE 110 111 #endif //QEGLCONVENIENCE_H 112