qquickgraphicsdevice.cpp

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// Copyright (C) 2020 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
 
#include "qquickgraphicsdevice_p.h"
 
QT_BEGIN_NAMESPACE
 
QQuickGraphicsDevice::QQuickGraphicsDevice()
    : d(new QQuickGraphicsDevicePrivate)
{
}
 
void QQuickGraphicsDevice::detach()
{
    qAtomicDetach(d);
}
 
QQuickGraphicsDevice::QQuickGraphicsDevice(const QQuickGraphicsDevice &other)
    : d(other.d)
{
    d->ref.ref();
}
 
QQuickGraphicsDevice &QQuickGraphicsDevice::operator=(const QQuickGraphicsDevice &other)
{
    qAtomicAssign(d, other.d);
    return *this;
}
 
QQuickGraphicsDevice::~QQuickGraphicsDevice()
{
    if (!d->ref.deref())
        delete d;
}
 
bool QQuickGraphicsDevice::isNull() const
{
    return d->type == QQuickGraphicsDevicePrivate::Type::Null;
}
 
#if QT_CONFIG(opengl) || defined(Q_QDOC)
QQuickGraphicsDevice QQuickGraphicsDevice::fromOpenGLContext(QOpenGLContext *context)
{
    QQuickGraphicsDevice dev;
    QQuickGraphicsDevicePrivate *d = QQuickGraphicsDevicePrivate::get(&dev);
    d->type = QQuickGraphicsDevicePrivate::Type::OpenGLContext;
    d->u.context = context;
    return dev;
}
#endif
 
#if defined(Q_OS_WIN) || defined(Q_QDOC)
QQuickGraphicsDevice QQuickGraphicsDevice::fromAdapter(quint32 adapterLuidLow,
                                                       qint32 adapterLuidHigh,
                                                       int featureLevel)
{
    QQuickGraphicsDevice dev;
    QQuickGraphicsDevicePrivate *d = QQuickGraphicsDevicePrivate::get(&dev);
    d->type = QQuickGraphicsDevicePrivate::Type::Adapter;
    d->u.adapter = { adapterLuidLow, adapterLuidHigh, featureLevel };
    return dev;
}
#endif
 
#if defined(Q_OS_WIN) || defined(Q_QDOC)
QQuickGraphicsDevice QQuickGraphicsDevice::fromDeviceAndContext(void *device, void *context)
{
    QQuickGraphicsDevice dev;
    QQuickGraphicsDevicePrivate *d = QQuickGraphicsDevicePrivate::get(&dev);
    d->type = QQuickGraphicsDevicePrivate::Type::DeviceAndContext;
    d->u.deviceAndContext = { device, context };
    return dev;
}
#endif
 
#if defined(Q_OS_MACOS) || defined(Q_OS_IOS) || defined(Q_QDOC)
QQuickGraphicsDevice QQuickGraphicsDevice::fromDeviceAndCommandQueue(MTLDevice *device,
                                                                     MTLCommandQueue *commandQueue)
{
    QQuickGraphicsDevice dev;
    QQuickGraphicsDevicePrivate *d = QQuickGraphicsDevicePrivate::get(&dev);
    d->type = QQuickGraphicsDevicePrivate::Type::DeviceAndCommandQueue;
    d->u.deviceAndCommandQueue = { device, commandQueue };
    return dev;
}
#endif
 
#if QT_CONFIG(vulkan) || defined(Q_QDOC)
QQuickGraphicsDevice QQuickGraphicsDevice::fromPhysicalDevice(VkPhysicalDevice physicalDevice)
{
    QQuickGraphicsDevice dev;
    QQuickGraphicsDevicePrivate *d = QQuickGraphicsDevicePrivate::get(&dev);
    d->type = QQuickGraphicsDevicePrivate::Type::PhysicalDevice;
    d->u.physicalDevice = { physicalDevice };
    return dev;
}
#endif
 
#if QT_CONFIG(vulkan) || defined(Q_QDOC)
QQuickGraphicsDevice QQuickGraphicsDevice::fromDeviceObjects(VkPhysicalDevice physicalDevice,
                                                             VkDevice device,
                                                             int queueFamilyIndex,
                                                             int queueIndex)
{
    QQuickGraphicsDevice dev;
    QQuickGraphicsDevicePrivate *d = QQuickGraphicsDevicePrivate::get(&dev);
    d->type = QQuickGraphicsDevicePrivate::Type::DeviceObjects;
    d->u.deviceObjects = { physicalDevice, device, queueFamilyIndex, queueIndex };
    return dev;
}
#endif
 
QQuickGraphicsDevice QQuickGraphicsDevice::fromRhi(QRhi *rhi)
{
    QQuickGraphicsDevice dev;
    QQuickGraphicsDevicePrivate *d = QQuickGraphicsDevicePrivate::get(&dev);
    d->type = QQuickGraphicsDevicePrivate::Type::Rhi;
    d->u.rhi = rhi;
    return dev;
}
 
QQuickGraphicsDevicePrivate::QQuickGraphicsDevicePrivate()
    : ref(1)
{
}
 
QQuickGraphicsDevicePrivate::QQuickGraphicsDevicePrivate(const QQuickGraphicsDevicePrivate *other)
    : ref(1),
      type(other->type),
      u(other->u)
{
}
 
QT_END_NAMESPACE