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Diffstat (limited to 'src/gui/opengl/platform/egl/qeglconvenience_p.h')
| -rw-r--r-- | src/gui/opengl/platform/egl/qeglconvenience_p.h | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/src/gui/opengl/platform/egl/qeglconvenience_p.h b/src/gui/opengl/platform/egl/qeglconvenience_p.h new file mode 100644 index 0000000000..7675d1316a --- /dev/null +++ b/src/gui/opengl/platform/egl/qeglconvenience_p.h @@ -0,0 +1,127 @@ +/**************************************************************************** +** +** Copyright (C) 2020 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the QtGui module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or (at your option) the GNU General +** Public license version 3 or any later version approved by the KDE Free +** Qt Foundation. The licenses are as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-2.0.html and +** https://www.gnu.org/licenses/gpl-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QEGLCONVENIENCE_H +#define QEGLCONVENIENCE_H + +// +// W A R N I N G +// ------------- +// +// This file is not part of the Qt API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. +// + +#include <QtGui/qsurfaceformat.h> +#include <QtCore/qlist.h> +#include <QtCore/qsize.h> + +#include <QtGui/private/qt_egl_p.h> + + +QT_BEGIN_NAMESPACE + +Q_GUI_EXPORT QList<EGLint> q_createConfigAttributesFromFormat(const QSurfaceFormat &format); + +Q_GUI_EXPORT bool q_reduceConfigAttributes(QList<EGLint> *configAttributes); + +Q_GUI_EXPORT EGLConfig q_configFromGLFormat(EGLDisplay display, + const QSurfaceFormat &format, + bool highestPixelFormat = false, + int surfaceType = EGL_WINDOW_BIT); + +Q_GUI_EXPORT QSurfaceFormat q_glFormatFromConfig(EGLDisplay display, const EGLConfig config, + const QSurfaceFormat &referenceFormat = {}); + +Q_GUI_EXPORT bool q_hasEglExtension(EGLDisplay display,const char* extensionName); + +Q_GUI_EXPORT void q_printEglConfig(EGLDisplay display, EGLConfig config); + +#ifdef Q_OS_UNIX +Q_GUI_EXPORT QSizeF q_physicalScreenSizeFromFb(int framebufferDevice, + const QSize &screenSize = {}); + +Q_GUI_EXPORT QSize q_screenSizeFromFb(int framebufferDevice); + +Q_GUI_EXPORT int q_screenDepthFromFb(int framebufferDevice); + +Q_GUI_EXPORT qreal q_refreshRateFromFb(int framebufferDevice); + +#endif + +class Q_GUI_EXPORT QEglConfigChooser +{ +public: + QEglConfigChooser(EGLDisplay display); + virtual ~QEglConfigChooser(); + + EGLDisplay display() const { return m_display; } + + void setSurfaceType(EGLint surfaceType) { m_surfaceType = surfaceType; } + EGLint surfaceType() const { return m_surfaceType; } + + void setSurfaceFormat(const QSurfaceFormat &format) { m_format = format; } + QSurfaceFormat surfaceFormat() const { return m_format; } + + void setIgnoreColorChannels(bool ignore) { m_ignore = ignore; } + bool ignoreColorChannels() const { return m_ignore; } + + EGLConfig chooseConfig(); + +protected: + virtual bool filterConfig(EGLConfig config) const; + + QSurfaceFormat m_format; + EGLDisplay m_display; + EGLint m_surfaceType; + bool m_ignore; + + int m_confAttrRed; + int m_confAttrGreen; + int m_confAttrBlue; + int m_confAttrAlpha; +}; + + +QT_END_NAMESPACE + +#endif //QEGLCONVENIENCE_H |