diff options
Diffstat (limited to 'src/plugins/platforms/eglfs/qeglfsoffscreenwindow.cpp')
-rw-r--r-- | src/plugins/platforms/eglfs/qeglfsoffscreenwindow.cpp | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/src/plugins/platforms/eglfs/qeglfsoffscreenwindow.cpp b/src/plugins/platforms/eglfs/qeglfsoffscreenwindow.cpp new file mode 100644 index 0000000000..0c07aa64be --- /dev/null +++ b/src/plugins/platforms/eglfs/qeglfsoffscreenwindow.cpp @@ -0,0 +1,77 @@ +/**************************************************************************** +** +** Copyright (C) 2015 The Qt Company Ltd. +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the plugins of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL21$ +** 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 http://www.qt.io/terms-conditions. For further +** information use the contact form at http://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 2.1 or version 3 as published by the Free +** Software Foundation and appearing in the file LICENSE.LGPLv21 and +** LICENSE.LGPLv3 included in the packaging of this file. Please review the +** following information to ensure the GNU Lesser General Public License +** requirements will be met: https://www.gnu.org/licenses/lgpl.html and +** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** As a special exception, The Qt Company gives you certain additional +** rights. These rights are described in The Qt Company LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qeglfsoffscreenwindow.h" +#include "qeglfshooks.h" +#include <QtGui/QOffscreenSurface> +#include <QtPlatformSupport/private/qeglconvenience_p.h> + +QT_BEGIN_NAMESPACE + +/* + In some cases pbuffers are not available. Triggering QtGui's built-in + fallback for a hidden QWindow is not suitable for eglfs since this would be + treated as an attempt to create multiple top-level, native windows. + + Therefore this class is provided as an alternative to QEGLPbuffer. + + This class requires the hooks to implement createNativeOffscreenWindow(). +*/ + +QEglFSOffscreenWindow::QEglFSOffscreenWindow(EGLDisplay display, const QSurfaceFormat &format, QOffscreenSurface *offscreenSurface) + : QPlatformOffscreenSurface(offscreenSurface) + , m_format(format) + , m_display(display) + , m_surface(EGL_NO_SURFACE) + , m_window(0) +{ + m_window = qt_egl_device_integration()->createNativeOffscreenWindow(format); + if (!m_window) { + qWarning("QEglFSOffscreenWindow: Failed to create native window"); + return; + } + EGLConfig config = q_configFromGLFormat(m_display, m_format); + m_surface = eglCreateWindowSurface(m_display, config, m_window, 0); + if (m_surface != EGL_NO_SURFACE) + m_format = q_glFormatFromConfig(m_display, config); +} + +QEglFSOffscreenWindow::~QEglFSOffscreenWindow() +{ + if (m_surface != EGL_NO_SURFACE) + eglDestroySurface(m_display, m_surface); + if (m_window) + qt_egl_device_integration()->destroyNativeWindow(m_window); +} + +QT_END_NAMESPACE |