diff options
Diffstat (limited to 'src/plugins/platforms/eglfs/deviceintegration/eglfs_kms/qeglfskmsgbmdevice.cpp')
-rw-r--r-- | src/plugins/platforms/eglfs/deviceintegration/eglfs_kms/qeglfskmsgbmdevice.cpp | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/src/plugins/platforms/eglfs/deviceintegration/eglfs_kms/qeglfskmsgbmdevice.cpp b/src/plugins/platforms/eglfs/deviceintegration/eglfs_kms/qeglfskmsgbmdevice.cpp new file mode 100644 index 0000000000..278752bddf --- /dev/null +++ b/src/plugins/platforms/eglfs/deviceintegration/eglfs_kms/qeglfskmsgbmdevice.cpp @@ -0,0 +1,158 @@ +/**************************************************************************** +** +** Copyright (C) 2015 Pier Luigi Fiorini <pierluigi.fiorini@gmail.com> +** Copyright (C) 2016 The Qt Company Ltd. +** Copyright (C) 2016 Pelagicore AG +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the plugins 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. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qeglfskmsgbmdevice.h" +#include "qeglfskmsgbmscreen.h" + +#include "qeglfsintegration.h" + +#include <QtCore/QLoggingCategory> +#include <QtCore/private/qcore_unix_p.h> +#include <QtGui/private/qguiapplication_p.h> + +#define ARRAY_LENGTH(a) (sizeof (a) / sizeof (a)[0]) + +QT_BEGIN_NAMESPACE + +Q_DECLARE_LOGGING_CATEGORY(qLcEglfsKmsDebug) + +void QEglFSKmsGbmDevice::pageFlipHandler(int fd, unsigned int sequence, unsigned int tv_sec, unsigned int tv_usec, void *user_data) +{ + Q_UNUSED(fd); + Q_UNUSED(sequence); + Q_UNUSED(tv_sec); + Q_UNUSED(tv_usec); + + QEglFSKmsScreen *screen = static_cast<QEglFSKmsScreen *>(user_data); + screen->flipFinished(); +} + +QEglFSKmsGbmDevice::QEglFSKmsGbmDevice(QEglFSKmsIntegration *integration, const QString &path) + : QEglFSKmsDevice(integration, path) + , m_gbm_device(Q_NULLPTR) + , m_globalCursor(Q_NULLPTR) +{ +} + +bool QEglFSKmsGbmDevice::open() +{ + Q_ASSERT(fd() == -1); + Q_ASSERT(m_gbm_device == Q_NULLPTR); + + qCDebug(qLcEglfsKmsDebug) << "Opening device" << devicePath(); + int fd = qt_safe_open(devicePath().toLocal8Bit().constData(), O_RDWR | O_CLOEXEC); + if (fd == -1) { + qErrnoWarning("Could not open DRM device %s", qPrintable(devicePath())); + return false; + } + + qCDebug(qLcEglfsKmsDebug) << "Creating GBM device for file descriptor" << fd + << "obtained from" << devicePath(); + m_gbm_device = gbm_create_device(fd); + if (!m_gbm_device) { + qErrnoWarning("Could not create GBM device"); + qt_safe_close(fd); + fd = -1; + return false; + } + + setFd(fd); + + return true; +} + +void QEglFSKmsGbmDevice::close() +{ + if (m_gbm_device) { + gbm_device_destroy(m_gbm_device); + m_gbm_device = Q_NULLPTR; + } + + if (fd() != -1) { + qt_safe_close(fd()); + setFd(-1); + } + + if (m_globalCursor) + m_globalCursor->deleteLater(); + m_globalCursor = Q_NULLPTR; +} + +EGLNativeDisplayType QEglFSKmsGbmDevice::nativeDisplay() const +{ + return reinterpret_cast<EGLNativeDisplayType>(m_gbm_device); +} + +gbm_device * QEglFSKmsGbmDevice::gbmDevice() const +{ + return m_gbm_device; +} + +QPlatformCursor *QEglFSKmsGbmDevice::globalCursor() const +{ + return m_globalCursor; +} + +void QEglFSKmsGbmDevice::handleDrmEvent() +{ + drmEventContext drmEvent = { + DRM_EVENT_CONTEXT_VERSION, + Q_NULLPTR, // vblank handler + pageFlipHandler // page flip handler + }; + + drmHandleEvent(fd(), &drmEvent); +} + +QEglFSKmsScreen *QEglFSKmsGbmDevice::createScreen(QEglFSKmsIntegration *integration, QEglFSKmsDevice *device, QEglFSKmsOutput output, QPoint position) +{ + static bool firstScreen = true; + QEglFSKmsGbmScreen *screen = new QEglFSKmsGbmScreen(integration, device, output, position); + + if (firstScreen && integration->hwCursor()) { + m_globalCursor = new QEglFSKmsGbmCursor(screen); + firstScreen = false; + } + + return screen; +} + +QT_END_NAMESPACE |