#include <qsgplaintexture_p.h>

Inheritance diagram for QSGPlainTexture:

Collaboration diagram for QSGPlainTexture:

Public Member Functions
	QSGPlainTexture ()

	~QSGPlainTexture () override

void	setOwnsTexture (bool owns)

bool	ownsTexture () const

void	setTextureSize (const QSize &size)

QSize	textureSize () const override
	Returns the size of the texture in pixels.

void	setHasAlphaChannel (bool alpha)

bool	hasAlphaChannel () const override
	Returns true if the texture data contains an alpha channel.

bool	hasMipmaps () const override
	Returns true if the texture data contains mipmap levels.

void	setImage (const QImage &image)

const QImage &	image ()

qint64	comparisonKey () const override
	Returns a key suitable for comparing textures.

QRhiTexture *	rhiTexture () const override

void	commitTextureOperations (QRhi rhi, QRhiResourceUpdateBatch resourceUpdates) override
	Call this function to enqueue image upload operations to resourceUpdates, in case there are any pending ones.

void	setTexture (QRhiTexture *texture)

void	setTextureFromNativeTexture (QRhi *rhi, quint64 nativeObjectHandle, int nativeLayoutOrState, uint nativeFormat, const QSize &size, QQuickWindow::CreateTextureOptions options, QQuickWindowPrivate::TextureFromNativeTextureFlags flags)

Public Member Functions inherited from QSGTexture
	QSGTexture ()
	Constructs the QSGTexture base class.

	~QSGTexture () override
	Destroys the QSGTexture.

virtual qint64	comparisonKey () const =0
	Returns a key suitable for comparing textures.

virtual QRhiTexture *	rhiTexture () const

virtual QSize	textureSize () const =0
	Returns the size of the texture in pixels.

virtual bool	hasAlphaChannel () const =0
	Returns true if the texture data contains an alpha channel.

virtual bool	hasMipmaps () const =0
	Returns true if the texture data contains mipmap levels.

virtual QRectF	normalizedTextureSubRect () const
	Returns the rectangle inside textureSize() that this texture represents in normalized coordinates.

virtual bool	isAtlasTexture () const
	Returns whether this texture is part of an atlas or not.

virtual QSGTexture *	removedFromAtlas (QRhiResourceUpdateBatch *resourceUpdates=nullptr) const
	This function returns a copy of the current texture which is removed from its atlas.

virtual void	commitTextureOperations (QRhi rhi, QRhiResourceUpdateBatch resourceUpdates)
	Call this function to enqueue image upload operations to resourceUpdates, in case there are any pending ones.

void	setMipmapFiltering (Filtering filter)
	Sets the mipmap sampling mode to filter.

QSGTexture::Filtering	mipmapFiltering () const
	Returns whether mipmapping should be used when sampling from this texture.

void	setFiltering (Filtering filter)
	Sets the sampling mode to filter.

QSGTexture::Filtering	filtering () const
	Returns the sampling mode to be used for this texture.

void	setAnisotropyLevel (AnisotropyLevel level)
	Sets the level of anisotropic filtering to level.

QSGTexture::AnisotropyLevel	anisotropyLevel () const
	Returns the anisotropy level in use for filtering this texture.

void	setHorizontalWrapMode (WrapMode hwrap)
	Sets the horizontal wrap mode to hwrap.

QSGTexture::WrapMode	horizontalWrapMode () const
	Returns the horizontal wrap mode to be used for this texture.

void	setVerticalWrapMode (WrapMode vwrap)
	Sets the vertical wrap mode to vwrap.

QSGTexture::WrapMode	verticalWrapMode () const
	Returns the vertical wrap mode to be used for this texture.

QRectF	convertToNormalizedSourceRect (const QRectF &rect) const
	Returns rect converted to normalized coordinates.

Public Member Functions inherited from QObject
Q_INVOKABLE	QObject (QObject *parent=nullptr)
	Constructs an object with parent object parent.

virtual	~QObject ()
	Destroys the object, deleting all its child objects.

virtual bool	event (QEvent *event)
	This virtual function receives events to an object and should return true if the event e was recognized and processed.

virtual bool	eventFilter (QObject watched, QEvent event)
	Filters events if this object has been installed as an event filter for the watched object.

QString	objectName () const

Q_WEAK_OVERLOAD void	setObjectName (const QString &name)
	Sets the object's name to name.

void	setObjectName (QAnyStringView name)
	This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.

QBindable< QString >	bindableObjectName ()

bool	isWidgetType () const
	Returns `true` if the object is a widget; otherwise returns `false`.

bool	isWindowType () const
	Returns `true` if the object is a window; otherwise returns `false`.

bool	isQuickItemType () const
	Returns `true` if the object is a QQuickItem; otherwise returns `false`.

bool	signalsBlocked () const noexcept
	Returns `true` if signals are blocked; otherwise returns `false`.

bool	blockSignals (bool b) noexcept
	If block is true, signals emitted by this object are blocked (i.e., emitting a signal will not invoke anything connected to it).

QThread *	thread () const
	Returns the thread in which the object lives.

void	moveToThread (QThread *thread)
	Changes the thread affinity for this object and its children.

int	startTimer (int interval, Qt::TimerType timerType=Qt::CoarseTimer)
	This is an overloaded function that will start a timer of type timerType and a timeout of interval milliseconds.

int	startTimer (std::chrono::milliseconds time, Qt::TimerType timerType=Qt::CoarseTimer)

void	killTimer (int id)
	Kills the timer with timer identifier, id.

template<typename T >
T	findChild (const QString &aName=QString(), Qt::FindChildOptions options=Qt::FindChildrenRecursively) const
	Returns the child of this object that can be cast into type T and that is called name, or \nullptr if there is no such object.

template<typename T >
QList< T >	findChildren (const QString &aName, Qt::FindChildOptions options=Qt::FindChildrenRecursively) const
	Returns all children of this object with the given name that can be cast to type T, or an empty list if there are no such objects.

template<typename T >
QList< T >	findChildren (Qt::FindChildOptions options=Qt::FindChildrenRecursively) const
	This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.

const QObjectList &	children () const
	Returns a list of child objects.

void	setParent (QObject *parent)
	Makes the object a child of parent.

void	installEventFilter (QObject *filterObj)
	Installs an event filter filterObj on this object.

void	removeEventFilter (QObject *obj)
	Removes an event filter object obj from this object.

QMetaObject::Connection	connect (const QObject sender, const char signal, const char *member, Qt::ConnectionType type=Qt::AutoConnection) const

bool	disconnect (const char signal=nullptr, const QObject receiver=nullptr, const char *member=nullptr) const

bool	disconnect (const QObject receiver, const char member=nullptr) const

void	dumpObjectTree () const
	Dumps a tree of children to the debug output.

void	dumpObjectInfo () const
	Dumps information about signal connections, etc.

bool	setProperty (const char *name, const QVariant &value)
	Sets the value of the object's name property to value.

bool	setProperty (const char *name, QVariant &&value)

QVariant	property (const char *name) const
	Returns the value of the object's name property.

QList< QByteArray >	dynamicPropertyNames () const

QBindingStorage *	bindingStorage ()

const QBindingStorage *	bindingStorage () const

QObject *	parent () const
	Returns a pointer to the parent object.

bool	inherits (const char *classname) const
	Returns `true` if this object is an instance of a class that inherits className or a QObject subclass that inherits className; otherwise returns `false`.

Static Public Member Functions
static QSGPlainTexture *	fromImage (const QImage &image)

Static Public Member Functions inherited from QObject
static QMetaObject::Connection	connect (const QObject sender, const char signal, const QObject receiver, const char member, Qt::ConnectionType=Qt::AutoConnection)
	\threadsafe

static QMetaObject::Connection	connect (const QObject sender, const QMetaMethod &signal, const QObject receiver, const QMetaMethod &method, Qt::ConnectionType type=Qt::AutoConnection)

template<typename Func1 , typename Func2 >
static QMetaObject::Connection	connect (const typename QtPrivate::FunctionPointer< Func1 >::Object sender, Func1 signal, const typename QtPrivate::ContextTypeForFunctor< Func2 >::ContextType context, Func2 &&slot, Qt::ConnectionType type=Qt::AutoConnection)

template<typename Func1 , typename Func2 >
static QMetaObject::Connection	connect (const typename QtPrivate::FunctionPointer< Func1 >::Object *sender, Func1 signal, Func2 &&slot)

static bool	disconnect (const QObject sender, const char signal, const QObject receiver, const char member)
	\threadsafe

static bool	disconnect (const QObject sender, const QMetaMethod &signal, const QObject receiver, const QMetaMethod &member)

static bool	disconnect (const QMetaObject::Connection &)
	Disconnect a connection.

template<typename Func1 , typename Func2 >
static bool	disconnect (const typename QtPrivate::FunctionPointer< Func1 >::Object sender, Func1 signal, const typename QtPrivate::FunctionPointer< Func2 >::Object receiver, Func2 slot)

template<typename Func1 >
static bool	disconnect (const typename QtPrivate::FunctionPointer< Func1 >::Object sender, Func1 signal, const QObject receiver, void **zero)

Protected Member Functions
	QSGPlainTexture (QSGPlainTexturePrivate &dd)

Protected Member Functions inherited from QSGTexture
	QSGTexture (QSGTexturePrivate &dd)

Protected Member Functions inherited from QObject
QObject *	sender () const
	Returns a pointer to the object that sent the signal, if called in a slot activated by a signal; otherwise it returns \nullptr.

int	senderSignalIndex () const

int	receivers (const char *signal) const
	Returns the number of receivers connected to the signal.

bool	isSignalConnected (const QMetaMethod &signal) const

virtual void	timerEvent (QTimerEvent *event)
	This event handler can be reimplemented in a subclass to receive timer events for the object.

virtual void	childEvent (QChildEvent *event)
	This event handler can be reimplemented in a subclass to receive child events.

virtual void	customEvent (QEvent *event)
	This event handler can be reimplemented in a subclass to receive custom events.

virtual void	connectNotify (const QMetaMethod &signal)

virtual void	disconnectNotify (const QMetaMethod &signal)

	QObject (QObjectPrivate &dd, QObject *parent=nullptr)

Protected Attributes
QImage	m_image

QSize	m_texture_size

QRectF	m_texture_rect

QRhiTexture *	m_texture

uint	m_has_alpha: 1

uint	m_dirty_texture: 1

uint	m_dirty_bind_options: 1

uint	m_owns_texture: 1

uint	m_mipmaps_generated: 1

uint	m_retain_image: 1

uint	m_mipmap_warned: 1

Protected Attributes inherited from QObject
QScopedPointer< QObjectData >	d_ptr

Additional Inherited Members
Public Types inherited from QSGTexture
enum	WrapMode { Repeat , ClampToEdge , MirroredRepeat }
	Specifies how the sampler should treat texture coordinates. More...

enum	Filtering { None , Nearest , Linear }
	Specifies how sampling of texels should filter when texture coordinates are not pixel aligned. More...

enum	AnisotropyLevel { AnisotropyNone , Anisotropy2x , Anisotropy4x , Anisotropy8x , Anisotropy16x }
	Specifies the anisotropic filtering level to be used when the texture is not screen aligned. More...

Public Slots inherited from QObject
void	deleteLater ()
	\threadsafe

Signals inherited from QObject
void	destroyed (QObject *=nullptr)
	This signal is emitted immediately before the object obj is destroyed, after any instances of QPointer have been notified, and cannot be blocked.

void	objectNameChanged (const QString &objectName, QPrivateSignal)
	This signal is emitted after the object's name has been changed.

Properties inherited from QObject
QString	objectName
	the name of this object

Related Symbols inherited from QObject
template< class T > T	qobject_cast (const QObject *object)
	Returns the given object cast to type T if the object is of type T (or of a subclass); otherwise returns \nullptr.

template< typename T > T	qFindChildqFindChildren (const QObject *obj, const QString &name)()

template< typename T > QList< T >	qFindChildrenqFindChildren (const QObject *obj, const QString &name)()

	QObjectList
	\macro Q_CLASSINFO(Name, Value)

Detailed Description

Definition at line 26 of file qsgplaintexture_p.h.

Constructor & Destructor Documentation

◆ QSGPlainTexture() [1/2]

QT_BEGIN_NAMESPACE QSGPlainTexture::QSGPlainTexture ( )

Definition at line 18 of file qsgplaintexture.cpp.

◆ ~QSGPlainTexture()

QSGPlainTexture::~QSGPlainTexture ( )

override

Definition at line 42 of file qsgplaintexture.cpp.

References m_owns_texture, and m_texture.

◆ QSGPlainTexture() [2/2]

QSGPlainTexture::QSGPlainTexture ( QSGPlainTexturePrivate & dd )

protected

Definition at line 30 of file qsgplaintexture.cpp.

Member Function Documentation

◆ commitTextureOperations()

void QSGPlainTexture::commitTextureOperations	(	QRhi *	rhi,
		QRhiResourceUpdateBatch *	resourceUpdates
	)

overridevirtual

Call this function to enqueue image upload operations to resourceUpdates, in case there are any pending ones.

When there is no new data (for example, because there was no setImage() since the last call to this function), the function does nothing.

Materials involving rhi textures are expected to call this function from their \l{QSGMaterialShader::updateSampledImage()}{updateSampledImage()} implementation, typically without any conditions, passing {state.rhi()} and {state.resourceUpdateBatch()} from the QSGMaterialShader::RenderState.

Warning: This function can only be called from the rendering thread.

Since: 6.0

Reimplemented from QSGTexture.

Definition at line 113 of file qsgplaintexture.cpp.

References QRhiTexture::BGRA8, QImage::bytesPerLine(), QSGTexture::ClampToEdge, QImage::convertToFormat(), QImage::copy(), QRhiTexture::create(), d, QRhiTexture::flags(), QImage::format(), QImage::Format_ARGB32_Premultiplied, QImage::Format_RGB32, QImage::Format_RGBA8888_Premultiplied, QImage::Format_RGBX8888, QRhiResourceUpdateBatch::generateMips(), QImage::height(), QSize::height(), QSGTexture::horizontalWrapMode(), Qt::IgnoreAspectRatio, QRhi::isFeatureSupported(), QImage::isNull(), QRhi::isTextureFormatSupported(), m_dirty_texture, m_has_alpha, m_image, m_mipmap_warned, m_mipmaps_generated, m_owns_texture, m_retain_image, m_texture, m_texture_rect, m_texture_size, QSGTexture::mipmapFiltering(), QRhiTexture::MipMapped, QRhi::newTexture(), QSGTexture::None, QRhi::NPOTTextureRepeat, QRhiTexture::pixelSize(), qMin(), qNextPowerOfTwo(), qWarning, QRhi::resourceLimit(), QRhiTexture::RGBA8, QImage::scaled(), QRhiTexture::setFlags(), QSGTexture::setMipmapFiltering(), QRhiTexture::setPixelSize(), QImage::size(), Qt::SmoothTransformation, QRhi::TextureSizeMax, QRhiResourceUpdateBatch::uploadTexture(), QRhiTexture::UsedWithGenerateMips, QSGTexture::verticalWrapMode(), QImage::width(), and QSize::width().

Referenced by QSGPainterTexture::commitTextureOperations(), and QSGRhiShaderEffectMaterialShader::updateSampledImage().

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◆ comparisonKey()

qint64 QSGPlainTexture::comparisonKey ( ) const

overridevirtual

Returns a key suitable for comparing textures.

Typically used in QSGMaterial::compare() implementations.

Just comparing QSGTexture pointers is not always sufficient because two QSGTexture instances that refer to the same native texture object underneath should also be considered equal. Hence the need for this function.

Implementations of this function are not expected to, and should not create any graphics resources (native texture objects) in case there are none yet.

A QSGTexture that does not have a native texture object underneath is typically not equal to any other QSGTexture, so the return value has to be crafted accordingly. There are exceptions to this, in particular when atlasing is used (where multiple textures share the same atlas texture under the hood), that is then up to the subclass implementations to deal with as appropriate.

Warning: This function can only be called from the rendering thread.

Since: 5.14

Implements QSGTexture.

Definition at line 99 of file qsgplaintexture.cpp.

References m_texture.

◆ fromImage()

static QSGPlainTexture * QSGPlainTexture::fromImage ( const QImage & image )

inlinestatic

Definition at line 62 of file qsgplaintexture_p.h.

◆ hasAlphaChannel()

bool QSGPlainTexture::hasAlphaChannel ( ) const

inlineoverridevirtual

Returns true if the texture data contains an alpha channel.

Implements QSGTexture.

Definition at line 41 of file qsgplaintexture_p.h.

◆ hasMipmaps()

bool QSGPlainTexture::hasMipmaps ( ) const

inlineoverridevirtual

Returns true if the texture data contains mipmap levels.

Implements QSGTexture.

Definition at line 43 of file qsgplaintexture_p.h.

References QSGTexture::mipmapFiltering(), and QSGTexture::None.

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◆ image()

const QImage & QSGPlainTexture::image ( )

inline

Definition at line 46 of file qsgplaintexture_p.h.

Referenced by setImage().

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◆ ownsTexture()

bool QSGPlainTexture::ownsTexture ( ) const

inline

Definition at line 35 of file qsgplaintexture_p.h.

◆ rhiTexture()

QRhiTexture * QSGPlainTexture::rhiTexture ( ) const

overridevirtual

Returns: the QRhiTexture for this QSGTexture or null if there is none (either because a valid texture has not been created internally yet, or because the concept is not applicable to the scenegraph backend in use).

This function is not expected to create a new QRhiTexture in case there is none. It should return null in that case. The expectation towards the renderer is that a null texture leads to using a transparent, dummy texture instead.

Warning: This function can only be called from the rendering thread.

Since: 6.0

Reimplemented from QSGTexture.

Definition at line 108 of file qsgplaintexture.cpp.

References m_texture.

◆ setHasAlphaChannel()

void QSGPlainTexture::setHasAlphaChannel ( bool alpha )

inline

Definition at line 40 of file qsgplaintexture_p.h.

Referenced by QSGRhiAtlasTexture::Texture::removedFromAtlas(), and QSGMapboxGLTextureNode::resize().

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◆ setImage()

void QSGPlainTexture::setImage ( const QImage & image )

Definition at line 48 of file qsgplaintexture.cpp.

References image(), m_dirty_texture, m_has_alpha, m_image, m_mipmaps_generated, and m_texture_size.

Referenced by QSGPainterTexture::commitTextureOperations(), QSGDefaultRenderContext::createTexture(), QQuickShapeGradientCache::get(), QSGDefaultPainterNode::paint(), QSGRhiAtlasTexture::Texture::removedFromAtlas(), and QSGRhiShaderEffectMaterialShader::updateSampledImage().

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◆ setOwnsTexture()

void QSGPlainTexture::setOwnsTexture ( bool owns )

inline

Definition at line 34 of file qsgplaintexture_p.h.

Referenced by QSGTextMaskMaterial::ensureUpToDate(), QSGRhiAtlasTexture::Texture::removedFromAtlas(), SGFramebufferObjectNode::render(), and QSGDistanceFieldTextMaterial::updateTextureSizeAndWrapper().

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◆ setTexture()

void QSGPlainTexture::setTexture ( QRhiTexture * texture )

Definition at line 57 of file qsgplaintexture.cpp.

References m_dirty_texture, m_image, m_mipmaps_generated, m_owns_texture, and m_texture.

Referenced by QSGTextMaskMaterial::ensureUpToDate(), QSGRhiAtlasTexture::Texture::removedFromAtlas(), setTextureFromNativeTexture(), and QSGDistanceFieldTextMaterial::updateTextureSizeAndWrapper().

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◆ setTextureFromNativeTexture()

void QSGPlainTexture::setTextureFromNativeTexture	(	QRhi *	rhi,
		quint64	nativeObjectHandle,
		int	nativeLayoutOrState,
		uint	nativeFormat,
		const QSize &	size,
		QQuickWindow::CreateTextureOptions	options,
		QQuickWindowPrivate::TextureFromNativeTextureFlags	flags
	)

Definition at line 68 of file qsgplaintexture.cpp.

References QRhiTexture::createFrom(), QRhiTexture::ExternalOES, QSGRhiSupport::instance(), QRhiTexture::MipMapped, QQuickWindowPrivate::NativeTextureIsExternalOES, QRhi::newTexture(), QRhiTexture::RGBA8, setTexture(), QSGRhiSupport::toRhiTextureFormat(), QRhiTexture::UnknownFormat, and QRhiTexture::UsedWithGenerateMips.

Referenced by QQuickWindowPrivate::createTextureFromNativeTexture().

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◆ setTextureSize()

void QSGPlainTexture::setTextureSize ( const QSize & size )

inline

Definition at line 37 of file qsgplaintexture_p.h.

Referenced by QSGTextMaskMaterial::ensureUpToDate(), QSGRhiAtlasTexture::Texture::removedFromAtlas(), QSGMapboxGLTextureNode::resize(), and QSGDistanceFieldTextMaterial::updateTextureSizeAndWrapper().

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◆ textureSize()

QSize QSGPlainTexture::textureSize ( ) const

inlineoverridevirtual

Returns the size of the texture in pixels.

Implements QSGTexture.

Definition at line 38 of file qsgplaintexture_p.h.

Member Data Documentation

◆ m_dirty_bind_options

uint QSGPlainTexture::m_dirty_bind_options

protected

Definition at line 79 of file qsgplaintexture_p.h.

◆ m_dirty_texture

uint QSGPlainTexture::m_dirty_texture

protected

Definition at line 78 of file qsgplaintexture_p.h.

Referenced by commitTextureOperations(), setImage(), and setTexture().

◆ m_has_alpha

uint QSGPlainTexture::m_has_alpha

protected

Definition at line 77 of file qsgplaintexture_p.h.

Referenced by commitTextureOperations(), and setImage().

◆ m_image

QImage QSGPlainTexture::m_image

protected

Definition at line 71 of file qsgplaintexture_p.h.

Referenced by QSGPainterTexture::commitTextureOperations(), commitTextureOperations(), setImage(), and setTexture().

◆ m_mipmap_warned

uint QSGPlainTexture::m_mipmap_warned

protected

Definition at line 83 of file qsgplaintexture_p.h.

Referenced by commitTextureOperations().

◆ m_mipmaps_generated

uint QSGPlainTexture::m_mipmaps_generated

protected

Definition at line 81 of file qsgplaintexture_p.h.

Referenced by commitTextureOperations(), setImage(), and setTexture().

◆ m_owns_texture

uint QSGPlainTexture::m_owns_texture

protected

Definition at line 80 of file qsgplaintexture_p.h.

Referenced by ~QSGPlainTexture(), commitTextureOperations(), and setTexture().

◆ m_retain_image

uint QSGPlainTexture::m_retain_image

protected

Definition at line 82 of file qsgplaintexture_p.h.

Referenced by QSGPainterTexture::QSGPainterTexture(), and commitTextureOperations().

◆ m_texture

QRhiTexture* QSGPlainTexture::m_texture

protected

Definition at line 75 of file qsgplaintexture_p.h.

Referenced by ~QSGPlainTexture(), commitTextureOperations(), comparisonKey(), rhiTexture(), setTexture(), and QSGDefaultPainterNode::texture().

◆ m_texture_rect

QRectF QSGPlainTexture::m_texture_rect

protected

Definition at line 74 of file qsgplaintexture_p.h.

Referenced by commitTextureOperations().

◆ m_texture_size

QSize QSGPlainTexture::m_texture_size

protected

Definition at line 73 of file qsgplaintexture_p.h.

Referenced by commitTextureOperations(), and setImage().

The documentation for this class was generated from the following files:

qtdeclarative/src/quick/scenegraph/util/qsgplaintexture_p.h
qtdeclarative/src/quick/scenegraph/util/qsgplaintexture.cpp

Public Member Functions

Static Public Member Functions

Protected Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ QSGPlainTexture() [1/2]

◆ ~QSGPlainTexture()

◆ QSGPlainTexture() [2/2]

Member Function Documentation

◆ commitTextureOperations()

◆ comparisonKey()

◆ fromImage()

◆ hasAlphaChannel()

◆ hasMipmaps()

◆ image()

◆ ownsTexture()

◆ rhiTexture()

◆ setHasAlphaChannel()

◆ setImage()

◆ setOwnsTexture()

◆ setTexture()

◆ setTextureFromNativeTexture()

◆ setTextureSize()

◆ textureSize()

Member Data Documentation

◆ m_dirty_bind_options

◆ m_dirty_texture

◆ m_has_alpha

◆ m_image

◆ m_mipmap_warned

◆ m_mipmaps_generated

◆ m_owns_texture

◆ m_retain_image

◆ m_texture

◆ m_texture_rect

◆ m_texture_size