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// Copyright (C) 2015 Pier Luigi Fiorini <pierluigi.fiorini@gmail.com>
// Copyright (C) 2017 The Qt Company Ltd.
// Copyright (C) 2016 Pelagicore AG
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QEGLFSKMSVSP2SCREEN_H
#define QEGLFSKMSVSP2SCREEN_H
#include "qeglfskmsscreen_p.h"
#include "qvsp2blendingdevice.h"
#include <QtCore/QMutex>
#include <qpa/qplatformscreen_p.h>
#include <gbm.h>
QT_BEGIN_NAMESPACE
class QEglFSKmsVsp2Screen : public QEglFSKmsScreen
, public QNativeInterface::Private::QVsp2Screen
{
public:
QEglFSKmsVsp2Screen(QEglFSKmsDevice *device, const QKmsOutput &output);
gbm_surface *createSurface();
void resetSurface();
void initDumbFrameBuffers();
void initVsp2();
void initQtLayer();
//TODO: use a fixed index API instead of auto increment?
int addLayer(int dmabufFd, const QSize &size, const QPoint &position, uint drmPixelFormat, uint bytesPerLine) override;
void setLayerBuffer(int id, int dmabufFd) override;
void setLayerPosition(int id, const QPoint &position) override;
void setLayerAlpha(int id, qreal alpha) override;
bool removeLayer(int id) override;
void addBlendListener(void (*callback)()) override;
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);
QList<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
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