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Introduce the FrameSvgItem fastPath alternative, opt out of it on overlays

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Fallback to the old code if there's something not (yet?) handled by the
new implementation. This way we get to optimize for the the common use-case
without breaking former, complex, code-paths.

Reviewed by David Edmundson
This commit is contained in:
Aleix Pol 2014-07-16 17:01:05 +02:00
parent cbe13ac765
commit a4e3569bbd
2 changed files with 59 additions and 33 deletions
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27
src/declarativeimports/core/framesvgitem.cpp
View File

@ -157,7 +157,8 @@ bool FrameSvgItemMargins::isFixed() const
FrameSvgItem::FrameSvgItem(QQuickItem *parent) FrameSvgItem::FrameSvgItem(QQuickItem *parent)
: QQuickItem(parent), : QQuickItem(parent),
m_textureChanged(false), m_textureChanged(false),
m_sizeChanged(false) m_sizeChanged(false),
m_fastPath(true)
{ {
m_frameSvg = new Plasma::FrameSvg(this); m_frameSvg = new Plasma::FrameSvg(this);
m_margins = new FrameSvgItemMargins(m_frameSvg, this); m_margins = new FrameSvgItemMargins(m_frameSvg, this);
@ -289,6 +290,8 @@ void FrameSvgItem::doUpdate()
setImplicitHeight(m_frameSvg->marginSize(Plasma::Types::TopMargin) + m_frameSvg->marginSize(Plasma::Types::BottomMargin)); setImplicitHeight(m_frameSvg->marginSize(Plasma::Types::TopMargin) + m_frameSvg->marginSize(Plasma::Types::BottomMargin));
} }
bool hasOverlay = !actualPrefix().startsWith(QLatin1String("mask-")) && m_frameSvg->hasElement(actualPrefix() % "overlay");
m_fastPath = !hasOverlay;
m_textureChanged = true; m_textureChanged = true;
update(); update();
} }
@ -337,6 +340,7 @@ QSGNode *FrameSvgItem::updatePaintNode(QSGNode *oldNode, QQuickItem::UpdatePaint
return Q_NULLPTR; return Q_NULLPTR;
} }
if (m_fastPath) {
if (m_textureChanged) { if (m_textureChanged) {
delete oldNode; delete oldNode;
oldNode = 0; oldNode = 0;
@ -372,6 +376,27 @@ QSGNode *FrameSvgItem::updatePaintNode(QSGNode *oldNode, QQuickItem::UpdatePaint
} else if(!frame) { } else if(!frame) {
qWarning() << "no frame for" << imagePath() << prefix(); qWarning() << "no frame for" << imagePath() << prefix();
} }
} else {
SVGTextureNode *textureNode = dynamic_cast<SVGTextureNode *>(oldNode);
if (!textureNode) {
delete oldNode;
textureNode = new SVGTextureNode;
textureNode->setFiltering(QSGTexture::Nearest);
m_textureChanged = true; //force updating the texture on our newly created node
oldNode = textureNode;
}
if ((m_textureChanged || m_sizeChanged) || textureNode->texture()->textureSize() != m_frameSvg->size()) {
QImage image = m_frameSvg->framePixmap().toImage();
QSGTexture *texture = window()->createTextureFromImage(image);
texture->setFiltering(QSGTexture::Nearest);
textureNode->setTexture(texture);
textureNode->setRect(0, 0, width(), height());
m_textureChanged = false;
m_sizeChanged = false;
}
}
return oldNode; return oldNode;
} }

1
src/declarativeimports/core/framesvgitem.h
View File

@ -194,6 +194,7 @@ private:
Units m_units; Units m_units;
bool m_textureChanged; bool m_textureChanged;
bool m_sizeChanged; bool m_sizeChanged;
bool m_fastPath;
}; };
} }