| /**************************************************************************** |
| ** |
| ** Copyright (C) 2017 Pier Luigi Fiorini <pierluigi.fiorini@gmail.com> |
| ** Copyright (C) 2017 Jolla Ltd, author: <giulio.camuffo@jollamobile.com> |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the QtWaylandCompositor module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:GPL$ |
| ** 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 General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU |
| ** General Public License version 3 or (at your option) 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.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-3.0.html. |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #include <QtQml/QQmlEngine> |
| #include <QQuickWindow> |
| #include <QOpenGLTextureBlitter> |
| #include <QOpenGLTexture> |
| #include <QOpenGLFramebufferObject> |
| #include <QMatrix4x4> |
| #include <QRunnable> |
| |
| #include "qwaylandclient.h" |
| #include "qwaylandquickcompositor.h" |
| #include "qwaylandquicksurface.h" |
| #include "qwaylandquickoutput.h" |
| #include "qwaylandquickitem.h" |
| #include "qwaylandoutput.h" |
| #include <QtWaylandCompositor/private/qwaylandcompositor_p.h> |
| #include <QtWaylandCompositor/QWaylandViewporter> |
| #include "qwaylandsurfacegrabber.h" |
| |
| QT_BEGIN_NAMESPACE |
| |
| class QWaylandQuickCompositorPrivate : public QWaylandCompositorPrivate |
| { |
| public: |
| explicit QWaylandQuickCompositorPrivate(QWaylandCompositor *compositor) |
| : QWaylandCompositorPrivate(compositor) |
| , m_viewporter(new QWaylandViewporter(compositor)) |
| { |
| } |
| protected: |
| QWaylandSurface *createDefaultSurface() override |
| { |
| return new QWaylandQuickSurface(); |
| } |
| private: |
| QScopedPointer<QWaylandViewporter> m_viewporter; |
| }; |
| |
| QWaylandQuickCompositor::QWaylandQuickCompositor(QObject *parent) |
| : QWaylandCompositor(*new QWaylandQuickCompositorPrivate(this), parent) |
| { |
| } |
| |
| /*! |
| * \qmlproperty list QtWaylandCompositor::WaylandCompositor::extensions |
| * |
| * A list of extensions that the compositor advertises to its clients. For |
| * any Wayland extension the compositor should support, instantiate its component, |
| * and add it to the list of extensions. |
| * |
| * For instance, the following code would allow the clients to request \c wl_shell |
| * surfaces in the compositor using the \c wl_shell interface. |
| * |
| * \qml \QtMinorVersion |
| * import QtWayland.Compositor 1.\1 |
| * |
| * WaylandCompositor { |
| * WlShell { |
| * // ... |
| * } |
| * } |
| * \endqml |
| */ |
| |
| void QWaylandQuickCompositor::create() |
| { |
| QWaylandCompositor::create(); |
| } |
| |
| |
| void QWaylandQuickCompositor::classBegin() |
| { |
| QWaylandCompositorPrivate::get(this)->preInit(); |
| } |
| |
| void QWaylandQuickCompositor::componentComplete() |
| { |
| create(); |
| } |
| |
| /*! |
| * Grab the surface content from the given \a buffer. |
| * Reimplemented from QWaylandCompositor::grabSurface. |
| */ |
| void QWaylandQuickCompositor::grabSurface(QWaylandSurfaceGrabber *grabber, const QWaylandBufferRef &buffer) |
| { |
| if (buffer.isSharedMemory()) { |
| QWaylandCompositor::grabSurface(grabber, buffer); |
| return; |
| } |
| |
| #if QT_CONFIG(opengl) |
| QWaylandQuickOutput *output = static_cast<QWaylandQuickOutput *>(defaultOutput()); |
| if (!output) { |
| emit grabber->failed(QWaylandSurfaceGrabber::RendererNotReady); |
| return; |
| } |
| |
| // We cannot grab the surface now, we need to have a current opengl context, so we |
| // need to be in the render thread |
| class GrabState : public QRunnable |
| { |
| public: |
| QWaylandSurfaceGrabber *grabber = nullptr; |
| QWaylandBufferRef buffer; |
| |
| void run() override |
| { |
| QOpenGLFramebufferObject fbo(buffer.size()); |
| fbo.bind(); |
| QOpenGLTextureBlitter blitter; |
| blitter.create(); |
| |
| glViewport(0, 0, buffer.size().width(), buffer.size().height()); |
| |
| QOpenGLTextureBlitter::Origin surfaceOrigin = |
| buffer.origin() == QWaylandSurface::OriginTopLeft |
| ? QOpenGLTextureBlitter::OriginTopLeft |
| : QOpenGLTextureBlitter::OriginBottomLeft; |
| |
| auto texture = buffer.toOpenGLTexture(); |
| blitter.bind(texture->target()); |
| blitter.blit(texture->textureId(), QMatrix4x4(), surfaceOrigin); |
| blitter.release(); |
| |
| emit grabber->success(fbo.toImage()); |
| } |
| }; |
| |
| GrabState *state = new GrabState; |
| state->grabber = grabber; |
| state->buffer = buffer; |
| static_cast<QQuickWindow *>(output->window())->scheduleRenderJob(state, QQuickWindow::NoStage); |
| #else |
| emit grabber->failed(QWaylandSurfaceGrabber::UnknownBufferType); |
| #endif |
| } |
| |
| QT_END_NAMESPACE |