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-rw-r--r--src/quick/scenegraph/adaptations/software/qsgsoftwarerenderablenode.cpp17
1 files changed, 10 insertions, 7 deletions
diff --git a/src/quick/scenegraph/adaptations/software/qsgsoftwarerenderablenode.cpp b/src/quick/scenegraph/adaptations/software/qsgsoftwarerenderablenode.cpp
index 307615a216..cecc6c21ca 100644
--- a/src/quick/scenegraph/adaptations/software/qsgsoftwarerenderablenode.cpp
+++ b/src/quick/scenegraph/adaptations/software/qsgsoftwarerenderablenode.cpp
@@ -277,18 +277,21 @@ QRegion QSGSoftwareRenderableNode::renderNode(QPainter *painter, bool forceOpaqu
QMatrix4x4 m = m_transform;
rd->m_matrix = &m;
rd->m_opacity = m_opacity;
- RenderNodeState rs;
- rs.cr = m_clipRegion;
- const QRect br = m_handle.renderNode->flags().testFlag(QSGRenderNode::BoundedRectRendering)
- ? m_boundingRectMax :
- QRect(0, 0, painter->device()->width(), painter->device()->height());
+ // all the clip region below is in world coordinates, taking m_transform into account already
+ QRegion cr = m_dirtyRegion;
+ if (m_clipRegion.rectCount() > 1)
+ cr &= m_clipRegion;
painter->save();
- painter->setClipRegion(br, Qt::ReplaceClip);
+ RenderNodeState rs;
+ rs.cr = cr;
m_handle.renderNode->render(&rs);
painter->restore();
+ const QRect br = m_handle.renderNode->flags().testFlag(QSGRenderNode::BoundedRectRendering)
+ ? m_boundingRectMax // already mapped to world
+ : QRect(0, 0, painter->device()->width(), painter->device()->height());
m_previousDirtyRegion = QRegion(br);
m_isDirty = false;
m_dirtyRegion = QRegion();
@@ -299,7 +302,7 @@ QRegion QSGSoftwareRenderableNode::renderNode(QPainter *painter, bool forceOpaqu
painter->save();
painter->setOpacity(m_opacity);
- // Set clipRegion to m_dirtyRegion (in world coordinates)
+ // Set clipRegion to m_dirtyRegion (in world coordinates, so must be done before the setTransform below)
// as m_dirtyRegion already accounts for clipRegion
painter->setClipRegion(m_dirtyRegion, Qt::ReplaceClip);
if (m_clipRegion.rectCount() > 1)