| 1 | // Copyright (C) 2016 Klaralvdalens Datakonsult AB (KDAB). |
|---|---|
| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
| 3 | |
| 4 | #include "offscreensurfacehelper_p.h" |
| 5 | |
| 6 | #include <Qt3DRender/private/abstractrenderer_p.h> |
| 7 | #include <QtGui/qoffscreensurface.h> |
| 8 | #include <QtGui/qsurfaceformat.h> |
| 9 | #include <QtCore/qcoreapplication.h> |
| 10 | #include <QtCore/qthread.h> |
| 11 | |
| 12 | QT_BEGIN_NAMESPACE |
| 13 | |
| 14 | namespace Qt3DRender { |
| 15 | namespace Render { |
| 16 | |
| 17 | /*! \internal */ |
| 18 | OffscreenSurfaceHelper::OffscreenSurfaceHelper(AbstractRenderer *renderer, |
| 19 | QObject *parent) |
| 20 | : QObject(parent) |
| 21 | , m_renderer(renderer) |
| 22 | , m_offscreenSurface(nullptr) |
| 23 | { |
| 24 | Q_ASSERT(renderer); |
| 25 | } |
| 26 | |
| 27 | /*! |
| 28 | * \internal |
| 29 | * Called in context of main thread to create an offscreen surface |
| 30 | * which can later be made current with the Qt 3D OpenGL context to |
| 31 | * then allow graphics resources to be released cleanly. |
| 32 | */ |
| 33 | void OffscreenSurfaceHelper::createOffscreenSurface() |
| 34 | { |
| 35 | Q_ASSERT(QThread::currentThread() == QCoreApplication::instance()->thread()); |
| 36 | m_offscreenSurface = new QOffscreenSurface; |
| 37 | m_offscreenSurface->setParent(this); |
| 38 | m_offscreenSurface->setFormat(m_renderer->format()); |
| 39 | m_offscreenSurface->setScreen(m_renderer->screen()); |
| 40 | m_offscreenSurface->create(); |
| 41 | } |
| 42 | |
| 43 | } // namespace Render |
| 44 | } // namespace Qt3DRender |
| 45 | |
| 46 | QT_END_NAMESPACE |
| 47 | |
| 48 | #include "moc_offscreensurfacehelper_p.cpp" |
| 49 |