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QSGRhiDistanceFieldGlyphCache Class Reference

#include <qsgrhidistancefieldglyphcache_p.h>

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Public Member Functions

 QSGRhiDistanceFieldGlyphCache (QSGDefaultRenderContext *rc, const QRawFont &font, int renderTypeQuality)
 
virtual ~QSGRhiDistanceFieldGlyphCache ()
 
void requestGlyphs (const QSet< glyph_t > &glyphs) override
 
void storeGlyphs (const QList< QDistanceField > &glyphs) override
 
void referenceGlyphs (const QSet< glyph_t > &glyphs) override
 
void releaseGlyphs (const QSet< glyph_t > &glyphs) override
 
bool useTextureResizeWorkaround () const
 
bool createFullSizeTextures () const
 
bool isActive () const override
 
int maxTextureSize () const
 
void setMaxTextureCount (int max)
 
int maxTextureCount () const
 
void commitResourceUpdates (QRhiResourceUpdateBatch *mergeInto)
 
bool eightBitFormatIsAlphaSwizzled () const override
 
bool screenSpaceDerivativesSupported () const override
 
- Public Member Functions inherited from QSGDistanceFieldGlyphCache
 QSGDistanceFieldGlyphCache (const QRawFont &font, int renderTypeQuality)
 
virtual ~QSGDistanceFieldGlyphCache ()
 
const QRawFont & referenceFont () const
 
qreal fontScale (qreal pixelSize) const
 
qreal distanceFieldRadius () const
 
int glyphCount () const
 
bool doubleGlyphResolution () const
 
int renderTypeQuality () const
 
Metrics glyphMetrics (glyph_t glyph, qreal pixelSize)
 
TexCoord glyphTexCoord (glyph_t glyph)
 
const Texture * glyphTexture (glyph_t glyph)
 
void populate (const QVector< glyph_t > &glyphs)
 
void release (const QVector< glyph_t > &glyphs)
 
void update ()
 
void registerGlyphNode (QSGDistanceFieldGlyphConsumer *node)
 
void unregisterGlyphNode (QSGDistanceFieldGlyphConsumer *node)
 
virtual void registerOwnerElement (QQuickItem *ownerElement)
 
virtual void unregisterOwnerElement (QQuickItem *ownerElement)
 
virtual void processPendingGlyphs ()
 
virtual bool eightBitFormatIsAlphaSwizzled () const =0
 
virtual bool screenSpaceDerivativesSupported () const =0
 
virtual bool isActive () const
 

Additional Inherited Members

- Protected Member Functions inherited from QSGDistanceFieldGlyphCache
virtual void requestGlyphs (const QSet< glyph_t > &glyphs)=0
 
virtual void storeGlyphs (const QList< QDistanceField > &glyphs)=0
 
virtual void referenceGlyphs (const QSet< glyph_t > &glyphs)=0
 
virtual void releaseGlyphs (const QSet< glyph_t > &glyphs)=0
 
void setGlyphsPosition (const QList< GlyphPosition > &glyphs)
 
void setGlyphsTexture (const QVector< glyph_t > &glyphs, const Texture &tex)
 
void markGlyphsToRender (const QVector< glyph_t > &glyphs)
 
void removeGlyph (glyph_t glyph)
 
void updateRhiTexture (QRhiTexture *oldTex, QRhiTexture *newTex, const QSize &newTexSize)
 
bool containsGlyph (glyph_t glyph)
 
GlyphData & glyphData (glyph_t glyph)
 
GlyphData & emptyData (glyph_t glyph)
 
int baseFontSize () const
 
- Protected Attributes inherited from QSGDistanceFieldGlyphCache
bool m_doubleGlyphResolution
 
int m_renderTypeQuality
 
QRawFont m_referenceFont
 

Detailed Description

Definition at line 26 of file qsgrhidistancefieldglyphcache_p.h.

Constructor & Destructor Documentation

◆ QSGRhiDistanceFieldGlyphCache()

QSGRhiDistanceFieldGlyphCache::QSGRhiDistanceFieldGlyphCache ( QSGDefaultRenderContext *  rc,
const QRawFont &  font,
int  renderTypeQuality 
)

Definition at line 22 of file qsgrhidistancefieldglyphcache.cpp.

References font.

◆ ~QSGRhiDistanceFieldGlyphCache()

QSGRhiDistanceFieldGlyphCache::~QSGRhiDistanceFieldGlyphCache ( )
virtual

Definition at line 33 of file qsgrhidistancefieldglyphcache.cpp.

References QSGDefaultRenderContext::deferredReleaseGlyphCacheTexture().

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Member Function Documentation

◆ commitResourceUpdates()

void QSGRhiDistanceFieldGlyphCache::commitResourceUpdates ( QRhiResourceUpdateBatch *  mergeInto)

Definition at line 512 of file qsgrhidistancefieldglyphcache.cpp.

References QSGDefaultRenderContext::maybeGlyphCacheResourceUpdates(), QRhiResourceUpdateBatch::merge(), and QSGDefaultRenderContext::resetGlyphCacheResources().

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◆ createFullSizeTextures()

bool QSGRhiDistanceFieldGlyphCache::createFullSizeTextures ( ) const

Definition at line 251 of file qsgrhidistancefieldglyphcache.cpp.

References QSGDistanceFieldGlyphCache::glyphCount(), and QT_DISTANCEFIELD_HIGHGLYPHCOUNT().

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◆ eightBitFormatIsAlphaSwizzled()

bool QSGRhiDistanceFieldGlyphCache::eightBitFormatIsAlphaSwizzled ( ) const
overridevirtual

Implements QSGDistanceFieldGlyphCache.

Definition at line 520 of file qsgrhidistancefieldglyphcache.cpp.

References QRhi::isFeatureSupported(), and QRhi::RedOrAlpha8IsRed.

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◆ isActive()

bool QSGRhiDistanceFieldGlyphCache::isActive ( ) const
overridevirtual

Reimplemented from QSGDistanceFieldGlyphCache.

Definition at line 105 of file qsgrhidistancefieldglyphcache.cpp.

References QSet< T >::empty().

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◆ maxTextureCount()

int QSGRhiDistanceFieldGlyphCache::maxTextureCount ( ) const
inline

Definition at line 43 of file qsgrhidistancefieldglyphcache_p.h.

◆ maxTextureSize()

int QSGRhiDistanceFieldGlyphCache::maxTextureSize ( ) const

Definition at line 256 of file qsgrhidistancefieldglyphcache.cpp.

References QRhi::resourceLimit(), and QRhi::TextureSizeMax.

Referenced by requestGlyphs().

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◆ referenceGlyphs()

void QSGRhiDistanceFieldGlyphCache::referenceGlyphs ( const QSet< glyph_t > &  glyphs)
overridevirtual

Implements QSGDistanceFieldGlyphCache.

Definition at line 168 of file qsgrhidistancefieldglyphcache.cpp.

◆ releaseGlyphs()

void QSGRhiDistanceFieldGlyphCache::releaseGlyphs ( const QSet< glyph_t > &  glyphs)
overridevirtual

Implements QSGDistanceFieldGlyphCache.

Definition at line 174 of file qsgrhidistancefieldglyphcache.cpp.

◆ requestGlyphs()

void QSGRhiDistanceFieldGlyphCache::requestGlyphs ( const QSet< glyph_t > &  glyphs)
overridevirtual

Implements QSGDistanceFieldGlyphCache.

Definition at line 41 of file qsgrhidistancefieldglyphcache.cpp.

References QSGAreaAllocator::allocate(), QList< T >::append(), boundingRect(), QSGDistanceFieldGlyphCache::GlyphData::boundingRect, QSet< T >::constBegin(), QSet< T >::constEnd(), QSGAreaAllocator::deallocate(), QSGDistanceFieldGlyphCache::distanceFieldRadius(), QSGDistanceFieldGlyphCache::glyphData(), QSGDistanceFieldGlyphCache::glyphTexCoord(), QRect::height(), QRectF::height(), QHash< Key, T >::insert(), QSet< T >::isEmpty(), QRect::isNull(), it, QSGDistanceFieldGlyphCache::markGlyphsToRender(), maxTextureSize(), Q_ASSERT, qCeil(), QSG_RHI_DISTANCEFIELD_GLYPH_CACHE_PADDING, QHash< Key, T >::remove(), QSet< T >::remove(), QSGDistanceFieldGlyphCache::removeGlyph(), QSGDistanceFieldGlyphCache::setGlyphsPosition(), QRect::topLeft(), QRect::width(), QRectF::width(), QRect::x(), QSGDistanceFieldGlyphCache::TexCoord::x, QRect::y(), and QSGDistanceFieldGlyphCache::TexCoord::y.

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◆ screenSpaceDerivativesSupported()

bool QSGRhiDistanceFieldGlyphCache::screenSpaceDerivativesSupported ( ) const
overridevirtual

Implements QSGDistanceFieldGlyphCache.

Definition at line 527 of file qsgrhidistancefieldglyphcache.cpp.

References QRhi::isFeatureSupported(), and QRhi::ScreenSpaceDerivatives.

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◆ setMaxTextureCount()

void QSGRhiDistanceFieldGlyphCache::setMaxTextureCount ( int  max)
inline

Definition at line 42 of file qsgrhidistancefieldglyphcache_p.h.

◆ storeGlyphs()

void QSGRhiDistanceFieldGlyphCache::storeGlyphs ( const QList< QDistanceField > &  glyphs)
overridevirtual

Implements QSGDistanceFieldGlyphCache.

Definition at line 110 of file qsgrhidistancefieldglyphcache.cpp.

References QList< T >::at(), QDistanceField::constBits(), QDistanceField::copy(), desc, QDistanceField::glyph(), QSGDefaultRenderContext::glyphCacheResourceUpdates(), QSGDistanceFieldGlyphCache::glyphTexCoord(), QDistanceField::height(), i, qCeil(), QDistanceField::scanLine(), QRhiTextureSubresourceUploadDescription::setDestinationTopLeft(), QSGDistanceFieldGlyphCache::setGlyphsTexture(), QRhiTextureSubresourceUploadDescription::setSourceSize(), QList< T >::size(), QRhiResourceUpdateBatch::uploadTexture(), useTextureResizeWorkaround(), QHash< Key, T >::value(), and QDistanceField::width().

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◆ useTextureResizeWorkaround()

bool QSGRhiDistanceFieldGlyphCache::useTextureResizeWorkaround ( ) const

Definition at line 240 of file qsgrhidistancefieldglyphcache.cpp.

References QRhi::backend(), QRhi::OpenGLES2, and set.

Referenced by storeGlyphs().

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