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