/*****************************************************************************
* Copyright (C) 2021 VLC authors and VideoLAN
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#ifndef COMPOSITOR_X11_UISURFACE_HPP
#define COMPOSITOR_X11_UISURFACE_HPP
#include <QWindow>
#include <QQuickWindow>
#include <QQuickRenderControl>
#include "compositor.hpp"
class QQuickWindow;
class QQmlEngine;
class QQmlComponent;
class QQuickItem;
class QQuickRenderControl;
class QOffscreenSurface;
namespace vlc {
class CompositorOffscreenWindow;
class CompositorX11RenderControl : public QQuickRenderControl {
Q_OBJECT
public:
CompositorX11RenderControl(QWindow* window, QObject* parent = nullptr)
: QQuickRenderControl(parent)
, m_window(window)
{}
QWindow *renderWindow(QPoint * offset) override;
private:
QWindow* m_window = nullptr;
};
class CompositorX11UISurface : public QWindow , public CompositorVideo::QmlUISurface
{
Q_OBJECT
public:
explicit CompositorX11UISurface(QWindow* window, QScreen *screen = nullptr);
~CompositorX11UISurface();
virtual bool render();
bool handleWindowEvent(QEvent *event);
//QmlUISurface API
void setContent(QQuickItem* rootItem) override;
QQmlEngine* engine() const override { return m_qmlEngine; }
QQuickItem * activeFocusItem() const override;
QQuickWindow* getOffscreenWindow() const;
signals:
void beforeRendering();
void afterRendering();
void sizeChanged(const QSize& size);
void updated();
void requestPixmapReset();
protected:
bool eventFilter(QObject* object, QEvent *event) override;
bool event(QEvent *event) override;
void resizeEvent(QResizeEvent *) override;
void exposeEvent(QExposeEvent *) override;
void handleScreenChange();
void forwardFocusObjectChanged(QObject* focusObject);
void updateSizes();
// WARNING: The OpenGL context must be made current against this window before calling these methods:
void createFbo();
void destroyFbo();
// NOTE: This method attempts to make the OpenGL context current against this window:
bool resizeFbo();
private:
static void applyNvidiaWorkaround(QSurfaceFormat& format);
QPointer<QQuickItem> m_rootItem;
QOpenGLContext *m_context = nullptr;
QBackingStore *m_backingStore = nullptr;
QPainter *m_backingStorePainter = nullptr;
CompositorOffscreenWindow* m_uiWindow = nullptr;
QQmlEngine* m_qmlEngine = nullptr;
QWindow* m_renderWindow = nullptr;
CompositorX11RenderControl* m_uiRenderControl = nullptr;
QSize m_onscreenSize;
uint m_textureId = 0;
qreal m_dpr = 0;
bool initialized = false;
unsigned int m_fboId = 0;
};
}
#endif // COMPOSITOR_X11_UISURFACE_HPP
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