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Diffstat (limited to 'src/quick/items/qquickrendererinfo.cpp')
| -rw-r--r-- | src/quick/items/qquickrendererinfo.cpp | 129 |
1 files changed, 0 insertions, 129 deletions
diff --git a/src/quick/items/qquickrendererinfo.cpp b/src/quick/items/qquickrendererinfo.cpp deleted file mode 100644 index b31cfd7f94..0000000000 --- a/src/quick/items/qquickrendererinfo.cpp +++ /dev/null @@ -1,129 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the QtQuick module 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. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "qquickrendererinfo_p.h" -#include "qquickwindow.h" -#include "qquickitem.h" -#include <qsgrendererinterface.h> - -QT_BEGIN_NAMESPACE - -/*! - \qmltype RendererInfo - \instantiates QQuickRendererInfo - \inqmlmodule QtQuick - \ingroup qtquick-effects - \since 5.8 - \since QtQuick 2.8 - \brief Provides information about the used Qt Quick backend - - The RendererInfo attached type provides information about the scenegraph - backend used to render the contents of the associated window. - - If the item to which the properties are attached is not currently - associated with any window, the properties are set to default values. When - the associated window changes, the properties will update. - - \sa OpenGLInfo, ShaderEffect - */ - -QQuickRendererInfo::QQuickRendererInfo(QQuickItem *item) - : QObject(item) - , m_window(0) - , m_api(Unknown) -{ - connect(item, SIGNAL(windowChanged(QQuickWindow*)), this, SLOT(setWindow(QQuickWindow*))); - setWindow(item->window()); -} - -QQuickRendererInfo *QQuickRendererInfo::qmlAttachedProperties(QObject *object) -{ - if (QQuickItem *item = qobject_cast<QQuickItem *>(object)) - return new QQuickRendererInfo(item); - - return nullptr; -} - -/*! - \qmlproperty enumeration QtQuick::RendererInfo::api - - This property describes the graphics API that is currently in use. - - The possible values are: - \list - \li RendererInfo.Unknown - the default value when no active scenegraph is associated with the item - \li RendererInfo.Software - Qt Quick's software renderer based on QPainter with the raster paint engine - \li RendererInfo.OpenGL - OpenGL or OpenGL ES - \li RendererInfo.Direct3D12 - Direct3D 12 - \endlist - */ - -void QQuickRendererInfo::updateInfo() -{ - GraphicsApi newAPI = Unknown; - - if (m_window && m_window->isSceneGraphInitialized()) { - QSGRendererInterface *rif = m_window->rendererInterface(); - if (rif) - newAPI = GraphicsApi(rif->graphicsApi()); // this function is safe to call on the gui/main thread too - } - - if (m_api != newAPI) { - m_api = newAPI; - emit apiChanged(); - } -} - -void QQuickRendererInfo::setWindow(QQuickWindow *window) -{ - if (m_window != window) { - if (m_window) { - disconnect(m_window, SIGNAL(sceneGraphInitialized()), this, SLOT(updateInfo())); - disconnect(m_window, SIGNAL(sceneGraphInvalidated()), this, SLOT(updateInfo())); - } - if (window) { - connect(window, SIGNAL(sceneGraphInitialized()), this, SLOT(updateInfo())); - connect(window, SIGNAL(sceneGraphInvalidated()), this, SLOT(updateInfo())); - } - m_window = window; - } - updateInfo(); -} - -QT_END_NAMESPACE |