1 files changed, 115 insertions, 0 deletions
diff --git a/src/plugins/platforms/eglfs/deviceintegration/eglfs_kms_vsp2/qeglfskmsvsp2screen.h b/src/plugins/platforms/eglfs/deviceintegration/eglfs_kms_vsp2/qeglfskmsvsp2screen.h
new file mode 100644
index 0000000000..19f65e7e7d
--- /dev/null
+++ b/src/plugins/platforms/eglfs/deviceintegration/eglfs_kms_vsp2/qeglfskmsvsp2screen.h
@@ -0,0 +1,115 @@
+/****************************************************************************
+**
+** Copyright (C) 2015 Pier Luigi Fiorini <pierluigi.fiorini@gmail.com>
+** Copyright (C) 2017 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.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QEGLFSKMSVSP2SCREEN_H
+#define QEGLFSKMSVSP2SCREEN_H
+
+#include "qeglfskmsscreen.h"
+#include "qvsp2blendingdevice.h"
+#include <QtCore/QMutex>
+
+#include <gbm.h>
+
+QT_BEGIN_NAMESPACE
+
+class QEglFSKmsVsp2Screen : public QEglFSKmsScreen
+{
+public:
+    QEglFSKmsVsp2Screen(QKmsDevice *device, const QKmsOutput &output);
+
+    gbm_surface *createSurface();
+    void resetSurface();
+
+    void initDumbFrameBuffers();
+    void initVsp2();
+
+    //TODO: use a fixed index API instead of auto increment?
+    int addLayer(int dmabufFd, const QSize &size, const QPoint &position, uint drmPixelFormat, uint bytesPerLine);
+    void setLayerBuffer(int id, int dmabufFd);
+    void setLayerPosition(int id, const QPoint &position);
+    bool removeLayer(int id);
+    void addBlendListener(void (*callback)());
+
+    void flip();
+    void blendAndFlipDrm();
+
+private:
+    class Blender : public QObject // This is a workaround we really would want the screen to be a QObject
+    {
+    public:
+        Blender(QEglFSKmsVsp2Screen *screen) : m_screen(screen) {}
+        ~Blender() override {}
+        bool event(QEvent *event) override;
+        QEglFSKmsVsp2Screen *m_screen = nullptr;
+    };
+    QScopedArrayPointer<Blender> m_blender;
+
+    gbm_surface *m_gbmSurface = nullptr;
+    gbm_bo *m_currentGbmBo = nullptr;
+    gbm_bo *m_nextGbmBo = nullptr;
+
+    QScopedPointer<QVsp2BlendingDevice> m_blendDevice;
+
+    struct FrameBuffer { //these are for buffers that have been blended by the bru
+        uint32_t drmBufferId = 0;
+        int dmabufFd = -1;
+    };
+    std::array<FrameBuffer, 2> m_frameBuffers;
+    uint m_backFb = 0;
+    void initDumbFrameBuffer(FrameBuffer &fb);
+    QVector<void (*)()> m_blendFinishedCallbacks;
+
+    struct DmaBuffer { //these are for qt buffers before blending with additional layers (gbm buffer data)
+        int dmabufFd = -1;
+    };
+    static void dmaBufferDestroyedHandler(gbm_bo *gbmBo, void *data);
+    DmaBuffer *dmaBufferForGbmBuffer(gbm_bo *gbmBo);
+
+    void ensureModeSet();
+    void doDrmFlip();
+
+    bool m_blendScheduled = false;
+    int m_qtLayer = 0; //TODO: add API for changing this
+};
+
+QT_END_NAMESPACE
+
+#endif // QEGLFSKMSVSP2SCREEN_H