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/****************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** 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.
**
** BSD License Usage
** Alternatively, you may use this file under the terms of the BSD license
** as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of The Qt Company Ltd nor the names of its
** contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "customrenderitem.h"
#include <QQuickWindow>
#include <QSGRendererInterface>
#include "openglrenderer.h"
#include "metalrenderer.h"
#include "d3d12renderer.h"
#include "softwarerenderer.h"
//! [1]
CustomRenderItem::CustomRenderItem(QQuickItem *parent)
: QQuickItem(parent)
{
// Our item shows something so set the flag.
setFlag(ItemHasContents);
}
//! [1]
//! [2]
QSGNode *CustomRenderItem::updatePaintNode(QSGNode *node, UpdatePaintNodeData *)
{
QSGRenderNode *n = static_cast<QSGRenderNode *>(node);
QSGRendererInterface *ri = window()->rendererInterface();
if (!ri)
return nullptr;
switch (ri->graphicsApi()) {
case QSGRendererInterface::OpenGL:
Q_FALLTHROUGH();
case QSGRendererInterface::OpenGLRhi:
#if QT_CONFIG(opengl)
if (!n)
n = new OpenGLRenderNode;
static_cast<OpenGLRenderNode *>(n)->sync(this);
#endif
break;
case QSGRendererInterface::MetalRhi:
#ifdef Q_OS_DARWIN
if (!n) {
MetalRenderNode *metalNode = new MetalRenderNode;
n = metalNode;
metalNode->resourceBuilder()->setWindow(window());
QObject::connect(window(), &QQuickWindow::beforeRendering,
metalNode->resourceBuilder(), &MetalRenderNodeResourceBuilder::build);
}
static_cast<MetalRenderNode *>(n)->sync(this);
#endif
break;
case QSGRendererInterface::Direct3D12: // ### Qt 6: remove
#if QT_CONFIG(d3d12)
if (!n)
n = new D3D12RenderNode;
static_cast<D3D12RenderNode *>(n)->sync(this);
#endif
break;
case QSGRendererInterface::Software:
if (!n)
n = new SoftwareRenderNode;
static_cast<SoftwareRenderNode *>(n)->sync(this);
break;
default:
break;
}
if (!n)
qWarning("QSGRendererInterface reports unknown graphics API %d", ri->graphicsApi());
return n;
}
//! [2]
// This item does not support being moved between windows. If that is desired,
// itemChange() should be reimplemented as well.
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