diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index b626e406..a6ff444a 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -97,6 +97,7 @@ list(APPEND SOURCES
 
 list(APPEND HEADERS
     nodes/QskArcNode.h
+    nodes/QskBasicLinesNode.h
     nodes/QskBoxNode.h
     nodes/QskBoxClipNode.h
     nodes/QskBoxFillNode.h
@@ -133,6 +134,7 @@ list(APPEND PRIVATE_HEADERS
 
 list(APPEND SOURCES
     nodes/QskArcNode.cpp
+    nodes/QskBasicLinesNode.cpp
     nodes/QskBoxNode.cpp
     nodes/QskBoxClipNode.cpp
     nodes/QskBoxFillNode.cpp
diff --git a/src/nodes/QskBasicLinesNode.cpp b/src/nodes/QskBasicLinesNode.cpp
new file mode 100644
index 00000000..202b82c3
--- /dev/null
+++ b/src/nodes/QskBasicLinesNode.cpp
@@ -0,0 +1,301 @@
+/******************************************************************************
+ * QSkinny - Copyright (C) 2016 Uwe Rathmann
+ *           SPDX-License-Identifier: BSD-3-Clause
+ *****************************************************************************/
+
+#include "QskBasicLinesNode.h"
+
+#include <qsgmaterial.h>
+#include <qsggeometry.h>
+#include <QTransform>
+
+QSK_QT_PRIVATE_BEGIN
+#include <private/qsgnode_p.h>
+QSK_QT_PRIVATE_END
+
+#if QT_VERSION < QT_VERSION_CHECK( 6, 0, 0 )
+    #include <QSGMaterialRhiShader>
+    using RhiShader = QSGMaterialRhiShader;
+#else
+    using RhiShader = QSGMaterialShader;
+#endif
+
+namespace
+{
+    class Material final : public QSGMaterial
+    {
+      public:
+        Material();
+
+#if QT_VERSION < QT_VERSION_CHECK( 6, 0, 0 )
+        QSGMaterialShader* createShader() const override;
+#else
+        QSGMaterialShader* createShader( QSGRendererInterface::RenderMode ) const override;
+#endif
+
+        QSGMaterialType* type() const override;
+
+        int compare( const QSGMaterial* other ) const override;
+
+        QVector4D m_color = QVector4D{ 0, 0, 0, 1 };
+        Qt::Orientations m_pixelAlignment;
+    };
+
+    class ShaderRhi final : public RhiShader
+    {
+      public:
+
+        ShaderRhi()
+        {
+            const QString root( ":/qskinny/shaders/" );
+
+            setShaderFileName( VertexStage, root + "crisplines.vert.qsb" );
+            setShaderFileName( FragmentStage, root + "crisplines.frag.qsb" );
+        }
+
+        bool updateUniformData( RenderState& state,
+            QSGMaterial* newMaterial, QSGMaterial* oldMaterial ) override
+        {
+            auto matOld = static_cast< Material* >( oldMaterial );
+            auto matNew = static_cast< Material* >( newMaterial );
+
+            Q_ASSERT( state.uniformData()->size() >= 88 );
+
+            auto data = state.uniformData()->data();
+            bool changed = false;
+
+            const auto matrix = state.combinedMatrix();
+
+            if ( state.isMatrixDirty() )
+            {
+                memcpy( data + 0, matrix.constData(), 64 );
+                changed = true;
+            }
+
+            if ( ( matOld == nullptr ) || ( matNew->m_color != matOld->m_color ) )
+            {
+                // state.opacity() TODO ...
+                memcpy( data + 64, &matNew->m_color, 16 );
+                changed = true;
+            }
+
+            if ( state.isMatrixDirty() || ( matOld == nullptr )
+                || ( matNew->m_pixelAlignment != matOld->m_pixelAlignment ) )
+            {
+                /*
+                    We do not need to upload the size as it is available
+                    from the matrix. But the shader needs to know wether to
+                    round or not TODO ...
+                 */
+                QVector2D size;
+
+                if ( matNew->m_pixelAlignment & Qt::Horizontal )
+                    size.setX( 2.0 / matrix( 0, 0 ) );
+
+                if ( matNew->m_pixelAlignment & Qt::Vertical )
+                    size.setY( -2.0 / matrix( 1, 1 ) );
+
+                memcpy( data + 80, &size, 8 );
+                changed = true;
+            }
+
+            return changed;
+        }
+    };
+}
+
+#if QT_VERSION < QT_VERSION_CHECK( 6, 0, 0 )
+
+namespace
+{
+    // the old type of shader - spcific for OpenGL
+
+    class ShaderGL final : public QSGMaterialShader
+    {
+      public:
+        ShaderGL()
+        {
+            const QString root( ":/qskinny/shaders/" );
+
+            setShaderSourceFile( QOpenGLShader::Vertex,
+                ":/qskinny/shaders/crisplines.vert" );
+
+            setShaderSourceFile( QOpenGLShader::Fragment,
+                ":/qt-project.org/scenegraph/shaders/flatcolor.frag" );
+        }
+
+        char const* const* attributeNames() const override
+        {
+            static char const* const names[] = { "in_vertex", nullptr };
+            return names;
+        }
+
+        void initialize() override
+        {
+            QSGMaterialShader::initialize();
+
+            auto p = program();
+
+            m_matrixId = p->uniformLocation( "matrix" );
+            m_colorId = p->uniformLocation( "color" );
+            m_sizeId = p->uniformLocation( "size" );
+        }
+
+        void updateState( const QSGMaterialShader::RenderState& state,
+            QSGMaterial* newMaterial, QSGMaterial* oldMaterial) override
+        {
+            auto p = program();
+
+            const auto matrix = state.combinedMatrix();
+
+            if ( state.isMatrixDirty() )
+                p->setUniformValue( m_matrixId, matrix );
+
+            bool updateMaterial = ( oldMaterial == nullptr )
+                || newMaterial->compare( oldMaterial ) != 0;
+
+            updateMaterial |= state.isCachedMaterialDataDirty();
+
+            if ( updateMaterial )
+            {
+                auto material = static_cast< const Material* >( newMaterial );
+
+                p->setUniformValue( m_colorId, material->m_color );
+
+                QVector2D size;
+
+                if ( material->m_pixelAlignment & Qt::Horizontal )
+                    size.setX( 2.0 / matrix( 0, 0 ) );
+
+                if ( material->m_pixelAlignment & Qt::Vertical )
+                    size.setY( -2.0 / matrix( 1, 1 ) );
+
+                p->setUniformValue( m_sizeId, size );
+            }
+        }
+
+      private:
+        int m_matrixId = -1;
+        int m_colorId = -1;
+        int m_sizeId = -1;
+    };
+}
+
+#endif
+
+Material::Material()
+{
+#if QT_VERSION < QT_VERSION_CHECK( 6, 0, 0 )
+    setFlag( QSGMaterial::SupportsRhiShader, true );
+#endif
+}
+
+#if QT_VERSION < QT_VERSION_CHECK( 6, 0, 0 )
+
+QSGMaterialShader* Material::createShader() const
+{
+    if ( !( flags() & QSGMaterial::RhiShaderWanted ) )
+        return new ShaderGL();
+
+    return new ShaderRhi();
+}
+
+#else
+
+QSGMaterialShader* Material::createShader( QSGRendererInterface::RenderMode ) const
+{
+    return new ShaderRhi();
+}
+
+#endif
+
+QSGMaterialType* Material::type() const
+{
+    static QSGMaterialType staticType;
+    return &staticType;
+}
+
+int Material::compare( const QSGMaterial* other ) const
+{
+    auto material = static_cast< const Material* >( other );
+
+    if ( ( material->m_color == m_color )
+        && ( material->m_pixelAlignment == m_pixelAlignment ) )
+    {
+        return 0;
+    }
+
+    return QSGMaterial::compare( other );
+}
+
+class QskBasicLinesNodePrivate final : public QSGGeometryNodePrivate
+{
+  public:
+    QskBasicLinesNodePrivate()
+        : geometry( QSGGeometry::defaultAttributes_Point2D(), 0 )
+    {
+        geometry.setDrawingMode( QSGGeometry::DrawLines );
+    }
+
+    QSGGeometry geometry;
+    Material material;
+};
+
+QskBasicLinesNode::QskBasicLinesNode()
+    : QSGGeometryNode( *new QskBasicLinesNodePrivate )
+{
+    Q_D( QskBasicLinesNode );
+
+    setGeometry( &d->geometry );
+    setMaterial( &d->material );
+}
+
+QskBasicLinesNode::~QskBasicLinesNode()
+{
+}
+
+void QskBasicLinesNode::setPixelAlignment( Qt::Orientations orientations )
+{
+    Q_D( QskBasicLinesNode );
+
+    if ( orientations != d->material.m_pixelAlignment )
+    {
+        d->material.m_pixelAlignment = orientations;
+        markDirty( QSGNode::DirtyMaterial );
+    }
+}
+
+Qt::Orientations QskBasicLinesNode::pixelAlignment() const
+{
+    return d_func()->material.m_pixelAlignment;
+}
+
+void QskBasicLinesNode::setColor( const QColor& color )
+{
+    Q_D( QskBasicLinesNode );
+
+    const auto a = color.alphaF();
+
+    const QVector4D c( color.redF() * a, color.greenF() * a, color.blueF() * a, a );
+
+    if ( c != d->material.m_color )
+    {
+        d->material.m_color = c;
+        markDirty( QSGNode::DirtyMaterial );
+    }
+}
+
+void QskBasicLinesNode::setLineWidth( float lineWidth )
+{
+    Q_D( QskBasicLinesNode );
+
+    lineWidth = std::max( lineWidth, 0.0f );
+    if( lineWidth != d->geometry.lineWidth() )
+        d->geometry.setLineWidth( lineWidth );
+}
+
+float QskBasicLinesNode::lineWidth() const
+{
+    return d_func()->geometry.lineWidth();
+}
+
diff --git a/src/nodes/QskBasicLinesNode.h b/src/nodes/QskBasicLinesNode.h
new file mode 100644
index 00000000..607c9cc5
--- /dev/null
+++ b/src/nodes/QskBasicLinesNode.h
@@ -0,0 +1,42 @@
+/******************************************************************************
+ * QSkinny - Copyright (C) 2016 Uwe Rathmann
+ *           SPDX-License-Identifier: BSD-3-Clause
+ *****************************************************************************/
+
+#ifndef QSK_BASIC_LINES_NODE_H
+#define QSK_BASIC_LINES_NODE_H
+
+#include "QskGlobal.h"
+
+#include <qsgnode.h>
+#include <qnamespace.h>
+
+class QColor;
+
+class QskBasicLinesNodePrivate;
+
+/*
+    A node for stippled or solid lines.
+    For the moment limited to horizontal/vertical lines: TODO
+ */
+class QSK_EXPORT QskBasicLinesNode : public QSGGeometryNode
+{
+    using Inherited = QSGGeometryNode;
+
+  public:
+    QskBasicLinesNode();
+    ~QskBasicLinesNode() override;
+
+    void setPixelAlignment( Qt::Orientations );
+    Qt::Orientations pixelAlignment() const;
+
+    void setColor( const QColor& );
+
+    void setLineWidth( float );
+    float lineWidth() const;
+
+  private:
+    Q_DECLARE_PRIVATE( QskBasicLinesNode )
+};
+
+#endif
diff --git a/src/nodes/QskLinesNode.cpp b/src/nodes/QskLinesNode.cpp
index 7f1e50dd..1d89715e 100644
--- a/src/nodes/QskLinesNode.cpp
+++ b/src/nodes/QskLinesNode.cpp
@@ -9,17 +9,9 @@
 #include "QskStippledLineRenderer.h"
 #include "QskSGNode.h"
 
-#include <qsgflatcolormaterial.h>
-#include <qsgvertexcolormaterial.h>
 #include <qtransform.h>
-#include <qquickitem.h>
-#include <qquickwindow.h>
 #include <qline.h>
 
-QSK_QT_PRIVATE_BEGIN
-#include <private/qsgnode_p.h>
-QSK_QT_PRIVATE_END
-
 namespace
 {
     inline qreal mapX( const QTransform& t, qreal x )
@@ -114,115 +106,14 @@ static QSGGeometry::Point2D* qskAddLines( const QTransform& transform,
     return reinterpret_cast< QSGGeometry::Point2D* >( vlines );
 }
 
-class QskLinesNodePrivate final : public QSGGeometryNodePrivate
-{
-  public:
-    QskLinesNodePrivate()
-        : geometry( QSGGeometry::defaultAttributes_Point2D(), 0 )
-    {
-        geometry.setDrawingMode( QSGGeometry::DrawLines );
-    }
-
-    inline qreal round( bool isHorizontal, qreal v ) const
-    {
-        if ( !doRound )
-            return v;
-
-        const auto r2 = 2.0 * devicePixelRatio;
-        const qreal v0 = isHorizontal ? p0.x() : p0.y();
-
-        const int d = qRound( r2 * ( v + v0 ) );
-        const auto f = ( d % 2 ? d : d - 1 ) / r2;
-
-        return f / devicePixelRatio - v0;
-    }
-
-    inline void setLineAttributes( QskLinesNode* node,
-        const QColor& color, float lineWidth )
-    {
-        if ( color != material.color() )
-        {
-            material.setColor( color );
-            node->markDirty( QSGNode::DirtyMaterial );
-        }
-
-        if( lineWidth != geometry.lineWidth() )
-            geometry.setLineWidth( lineWidth );
-    }
-
-    QSGGeometry geometry;
-    QSGFlatColorMaterial material;
-
-    // position of [0,0] in device coordinates
-    QPointF p0;
-    qreal devicePixelRatio = 1.0;
-
-    QskHashValue hash = 0.0;
-
-    bool dirty = true;
-    bool doRound = false;
-};
-
 QskLinesNode::QskLinesNode()
-    : QSGGeometryNode( *new QskLinesNodePrivate )
 {
-    Q_D( QskLinesNode );
-
-    setGeometry( &d->geometry );
-    setMaterial( &d->material );
 }
 
 QskLinesNode::~QskLinesNode()
 {
 }
 
-void QskLinesNode::setGlobalPosition( const QQuickItem* item )
-{
-    QPointF p0;
-    qreal devicePixelRatio = 1.0;
-
-    if ( item )
-    {
-        p0 = item->mapToGlobal( QPointF() );
-
-        if ( auto w = item->window() )
-            devicePixelRatio = w->devicePixelRatio();
-    }
-
-    setGlobalPosition( p0, devicePixelRatio );
-}
-
-void QskLinesNode::setGlobalPosition(
-    const QPointF& pos, qreal devicePixelRatio )
-{
-    Q_D( QskLinesNode );
-
-    if ( d->doRound == false )
-    {
-        d->doRound = true;
-        d->dirty = true;
-    }
-
-    if ( pos != d->p0 || devicePixelRatio != d->devicePixelRatio )
-    {
-        d->p0 = pos;
-        d->devicePixelRatio = devicePixelRatio;
-
-        d->dirty = true;
-    }
-}
-
-void QskLinesNode::resetGlobalPosition()
-{
-    Q_D( QskLinesNode );
-
-    if ( d->doRound == true )
-    {
-        d->doRound = false;
-        d->dirty = true;
-    }
-}
-
 void QskLinesNode::updateRect( const QColor& color,
     qreal lineWidth, const QskStippleMetrics& stippleMetrics,
     const QTransform& transform, const QRectF& rect )
@@ -272,8 +163,6 @@ void QskLinesNode::updateLines( const QColor& color,
     qreal lineWidth, const QskStippleMetrics& stippleMetrics,
     const QTransform& transform, int count, const QLineF* lines )
 {
-    Q_D( QskLinesNode );
-
     if ( !stippleMetrics.isValid() || !color.isValid()
         || color.alpha() == 0 || count == 0 )
     {
@@ -287,22 +176,18 @@ void QskLinesNode::updateLines( const QColor& color,
     hash = qHash( transform, hash );
     hash = qHashBits( lines, count * sizeof( QLineF ) );
 
-    if ( hash != d->hash )
+    if ( hash != m_hash )
     {
-        d->dirty = true;
-        d->hash = hash;
-    }
+        m_hash = hash;
 
-    if( d->dirty )
-    {
         updateGeometry( stippleMetrics, transform, count, lines );
 
-        d->geometry.markVertexDataDirty();
+        geometry()->markVertexDataDirty();
         markDirty( QSGNode::DirtyGeometry );
-        d->dirty = false;
     }
 
-    d->setLineAttributes( this, color, lineWidth );
+    setLineWidth( lineWidth );
+    setColor( color );
 }
 
 void QskLinesNode::updateGrid( const QColor& color,
@@ -310,8 +195,6 @@ void QskLinesNode::updateGrid( const QColor& color,
     const QTransform& transform, const QRectF& rect,
     const QVector< qreal >& xValues, const QVector< qreal >& yValues )
 {
-    Q_D( QskLinesNode );
-
     if ( !stippleMetrics.isValid() || !color.isValid() || color.alpha() == 0 )
     {
         QskSGNode::resetGeometry( this );
@@ -326,30 +209,24 @@ void QskLinesNode::updateGrid( const QColor& color,
     hash = qHash( xValues, hash );
     hash = qHash( yValues, hash );
 
-    if ( hash != d->hash )
+    if ( hash != m_hash )
     {
-        d->dirty = true;
-        d->hash = hash;
-    }
+        m_hash = hash;
 
-    if( d->dirty )
-    {
         updateGeometry( stippleMetrics, transform, rect, xValues, yValues );
 
-        d->geometry.markVertexDataDirty();
+        geometry()->markVertexDataDirty();
         markDirty( QSGNode::DirtyGeometry );
-        d->dirty = false;
     }
 
-    d->setLineAttributes( this, color, lineWidth );
+    setLineWidth( lineWidth );
+    setColor( color );
 }
 
 void QskLinesNode::updateGeometry( const QskStippleMetrics& stippleMetrics,
     const QTransform& transform, int count, const QLineF* lines )
 {
-    Q_D( QskLinesNode );
-
-    auto& geom = d->geometry;
+    auto& geom = *geometry();
 
     QSGGeometry::Point2D* points = nullptr;
 
@@ -382,8 +259,8 @@ void QskLinesNode::updateGeometry( const QskStippleMetrics& stippleMetrics,
             lineCount += renderer.dashCount( p1, p2 );
         }
 
-        d->geometry.allocate( 2 * lineCount );
-        points = d->geometry.vertexDataAsPoint2D();
+        geometry()->allocate( 2 * lineCount );
+        points = geometry()->vertexDataAsPoint2D();
 
         points = qskAddDashes( transform,
             count, lines, stippleMetrics, points );
@@ -397,9 +274,7 @@ void QskLinesNode::updateGeometry(
     const QTransform& transform, const QRectF& rect,
     const QVector< qreal >& xValues, const QVector< qreal >& yValues )
 {
-    Q_D( QskLinesNode );
-
-    auto& geom = d->geometry;
+    auto& geom = *geometry();
 
     const auto y1 = mapY( transform, rect.top() );
     const auto y2 = mapY( transform, rect.bottom() );
@@ -430,8 +305,8 @@ void QskLinesNode::updateGeometry(
         const auto countY = renderer.dashCount( x1, 0.0, x2, 0.0 );
         const auto count = xValues.count() * countX + yValues.count() * countY;
 
-        d->geometry.allocate( 2 * count );
-        points = d->geometry.vertexDataAsPoint2D();
+        geometry()->allocate( 2 * count );
+        points = geometry()->vertexDataAsPoint2D();
 
         points = setStippledLines( Qt::Vertical, y1, y2,
             transform, xValues.count(), xValues.constData(),
@@ -450,8 +325,6 @@ QSGGeometry::Point2D* QskLinesNode::setStippledLines(
     const QTransform& transform, int count, const qreal* values,
     const QskStippleMetrics& stippleMetrics, QSGGeometry::Point2D* points ) const
 {
-    Q_D( const QskLinesNode );
-
     if ( count <= 0 )
         return points;
 
@@ -464,16 +337,14 @@ QSGGeometry::Point2D* QskLinesNode::setStippledLines(
 
     if ( orientation == Qt::Vertical )
     {
-        auto x = mapX( transform, values[0] );
-        x = d->round( true, x );
+        const auto x = mapX( transform, values[0] );
 
         points = renderer.addDashes( points, x, v1, x, v2 );
         dashCount = points - line0;
     }
     else
     {
-        auto y = mapY( transform, values[0] );
-        y = d->round( false, y );
+        const auto y = mapY( transform, values[0] );
 
         points = renderer.addDashes( points, v1, y, v2, y );
         dashCount = points - line0;
@@ -485,8 +356,7 @@ QSGGeometry::Point2D* QskLinesNode::setStippledLines(
     {
         for ( int i = 1; i < count; i++ )
         {
-            auto x = mapX( transform, values[i] );
-            x = d->round( true, x );
+            const auto x = mapX( transform, values[i] );
 
             for ( int j = 0; j < dashCount; j++ )
                 points++->set( x, line0[j].y );
@@ -496,8 +366,7 @@ QSGGeometry::Point2D* QskLinesNode::setStippledLines(
     {
         for ( int i = 1; i < count; i++ )
         {
-            auto y = mapY( transform, values[i] );
-            y = d->round( false, y );
+            const auto y = mapY( transform, values[i] );
 
             for ( int j = 0; j < dashCount; j++ )
                 points++->set( line0[j].x, y );
@@ -512,8 +381,6 @@ QSGGeometry::Point2D* QskLinesNode::setSolidLines(
     const QTransform& transform, int count, const qreal* values,
     QSGGeometry::Point2D* points ) const
 {
-    Q_D( const QskLinesNode );
-
     if ( count <= 0 )
         return points;
 
@@ -523,9 +390,7 @@ QSGGeometry::Point2D* QskLinesNode::setSolidLines(
     {
         for ( int i = 0; i < count; i++ )
         {
-            auto x = mapX( transform, values[i] );
-            x = d->round( true, x );
-
+            const auto x = mapX( transform, values[i] );
             lines++->setVLine( x, v1, v2 );
         }
     }
@@ -533,9 +398,7 @@ QSGGeometry::Point2D* QskLinesNode::setSolidLines(
     {
         for ( int i = 0; i < count; i++ )
         {
-            auto y = mapY( transform, values[i] );
-            y = d->round( false, y );
-
+            const auto y = mapY( transform, values[i] );
             lines++->setHLine( v1, v2, y );
         }
     }
@@ -552,13 +415,11 @@ void QskLinesNode::updatePolygon( const QColor& color, qreal lineWidth,
         return;
     }
 
-    Q_D( QskLinesNode );
-
     if ( true ) // for the moment we always update the geometry. TODO ...
     {
-        d->geometry.allocate( polygon.count() + 1 );
+        geometry()->allocate( polygon.count() + 1 );
 
-        auto points = d->geometry.vertexDataAsPoint2D();
+        auto points = geometry()->vertexDataAsPoint2D();
 
         if ( transform.isIdentity() )
         {
@@ -579,9 +440,10 @@ void QskLinesNode::updatePolygon( const QColor& color, qreal lineWidth,
 
         points[ polygon.count() ] = points[0];
 
-        d->geometry.markVertexDataDirty();
+        geometry()->markVertexDataDirty();
         markDirty( QSGNode::DirtyGeometry );
     }
 
-    d->setLineAttributes( this, color, lineWidth );
+    setLineWidth( lineWidth );
+    setColor( color );
 }
diff --git a/src/nodes/QskLinesNode.h b/src/nodes/QskLinesNode.h
index 54e25b9c..4a1271a6 100644
--- a/src/nodes/QskLinesNode.h
+++ b/src/nodes/QskLinesNode.h
@@ -6,9 +6,7 @@
 #ifndef QSK_LINES_NODE_H
 #define QSK_LINES_NODE_H
 
-#include "QskGlobal.h"
-
-#include <qsgnode.h>
+#include "QskBasicLinesNode.h"
 #include <qvector.h>
 
 class QskIntervalF;
@@ -17,26 +15,19 @@ class QTransform;
 class QPointF;
 class QLineF;
 class QPolygonF;
-class QQuickItem;
-
-class QskLinesNodePrivate;
 
 /*
     A node for stippled or solid lines.
     For the moment limited to horizontal/vertical lines: TODO
  */
-class QSK_EXPORT QskLinesNode : public QSGGeometryNode
+class QSK_EXPORT QskLinesNode : public QskBasicLinesNode
 {
-    using Inherited = QSGGeometryNode;
+    using Inherited = QskBasicLinesNode;
 
   public:
     QskLinesNode();
     ~QskLinesNode() override;
 
-    void setGlobalPosition( const QPointF&, qreal devicePixelRatio );
-    void setGlobalPosition( const QQuickItem* );
-    void resetGlobalPosition();
-
     void updateGrid( const QColor&, qreal lineWidth,
         const QskStippleMetrics&, const QTransform&, const QRectF&,
         const QVector< qreal >&, const QVector< qreal >& );
@@ -80,7 +71,7 @@ class QSK_EXPORT QskLinesNode : public QSGGeometryNode
         const QTransform&, int count, const qreal* values,
         const QskStippleMetrics&, QSGGeometry::Point2D* ) const;
 
-    Q_DECLARE_PRIVATE( QskLinesNode )
+    QskHashValue m_hash = 0.0;
 };
 
 #endif
diff --git a/src/nodes/shaders.qrc b/src/nodes/shaders.qrc
index 0301b991..82a42748 100644
--- a/src/nodes/shaders.qrc
+++ b/src/nodes/shaders.qrc
@@ -22,5 +22,9 @@
         <file>shaders/gradientlinear.vert</file>
         <file>shaders/gradientlinear.frag</file>
 
+        <file>shaders/crisplines.vert.qsb</file>
+        <file>shaders/crisplines.frag.qsb</file>
+        <file>shaders/crisplines.vert</file>
+
     </qresource>
 </RCC>
diff --git a/src/nodes/shaders/boxshadow.frag.qsb b/src/nodes/shaders/boxshadow.frag.qsb
index 67bd10ec..9a799078 100644
Binary files a/src/nodes/shaders/boxshadow.frag.qsb and b/src/nodes/shaders/boxshadow.frag.qsb differ
diff --git a/src/nodes/shaders/boxshadow.vert.qsb b/src/nodes/shaders/boxshadow.vert.qsb
index 3f9a0c90..4d371492 100644
Binary files a/src/nodes/shaders/boxshadow.vert.qsb and b/src/nodes/shaders/boxshadow.vert.qsb differ
diff --git a/src/nodes/shaders/crisplines-vulkan.frag b/src/nodes/shaders/crisplines-vulkan.frag
new file mode 100644
index 00000000..a4618fe9
--- /dev/null
+++ b/src/nodes/shaders/crisplines-vulkan.frag
@@ -0,0 +1,15 @@
+#version 440
+
+layout( location = 0 ) out vec4 fragColor;
+
+layout( std140, binding = 0 ) uniform buf
+{
+    mat4 matrix;
+    vec4 color;
+    vec2 size;
+} ubuf;
+
+void main()
+{
+    fragColor = ubuf.color;
+}
diff --git a/src/nodes/shaders/crisplines-vulkan.vert b/src/nodes/shaders/crisplines-vulkan.vert
new file mode 100644
index 00000000..e572cda7
--- /dev/null
+++ b/src/nodes/shaders/crisplines-vulkan.vert
@@ -0,0 +1,41 @@
+#version 440
+
+layout( location = 0 ) in vec4 vertexCoord;
+
+layout( std140, binding = 0 ) uniform buf
+{
+    mat4 matrix;
+    vec4 color;
+    vec2 size;
+} ubuf;
+
+out gl_PerVertex { vec4 gl_Position; };
+
+float normalized( in float pos, in float scale, in float size )
+{
+    return ( ( pos / size - 0.5 ) / 0.5 ) * scale;
+}
+
+float denormalized( in float pos, in float scale, in float size )
+{
+    return ( ( pos / scale ) * 0.5 + 0.5 ) * size;
+}
+
+void main()
+{
+    gl_Position = ubuf.matrix * vertexCoord;
+
+    if ( ubuf.size.x > 0.0 )
+    {
+        gl_Position.x = denormalized( gl_Position.x, gl_Position.w, ubuf.size.x );
+        gl_Position.x = round( gl_Position.x ) + 0.5;
+        gl_Position.x = normalized( gl_Position.x, gl_Position.w, ubuf.size.x );
+    }
+
+    if ( ubuf.size.y > 0.0 )
+    {
+        gl_Position.y = denormalized( gl_Position.y, gl_Position.w, ubuf.size.y );
+        gl_Position.y = round( gl_Position.y ) + 0.5;
+        gl_Position.y = normalized( gl_Position.y, gl_Position.w, ubuf.size.y );
+    }
+}
diff --git a/src/nodes/shaders/crisplines.frag.qsb b/src/nodes/shaders/crisplines.frag.qsb
new file mode 100644
index 00000000..9a0addc5
Binary files /dev/null and b/src/nodes/shaders/crisplines.frag.qsb differ
diff --git a/src/nodes/shaders/crisplines.vert b/src/nodes/shaders/crisplines.vert
new file mode 100644
index 00000000..41d01bac
--- /dev/null
+++ b/src/nodes/shaders/crisplines.vert
@@ -0,0 +1,38 @@
+attribute highp vec4 in_vertex;
+uniform highp mat4 matrix;
+
+uniform lowp vec2 size;
+
+float normalized( in float pos, in float scale, in float size )
+{
+    return ( ( pos / size - 0.5 ) / 0.5 ) * scale;
+}
+
+float denormalized( in float pos, in float scale, in float size )
+{
+    return ( ( pos / scale ) * 0.5 + 0.5 ) * size;
+}
+
+float round( in float v )
+{
+    return floor( v + 0.5 );
+}
+
+void main()
+{
+    gl_Position = matrix * in_vertex;
+
+    if ( size.x > 0.0 )
+    {
+        gl_Position.x = denormalized( gl_Position.x, gl_Position.w, size.x );
+        gl_Position.x = round( gl_Position.x ) + 0.5;
+        gl_Position.x = normalized( gl_Position.x, gl_Position.w, size.x );
+    }
+
+    if ( size.y > 0.0 )
+    {
+        gl_Position.y = denormalized( gl_Position.y, gl_Position.w, size.y );
+        gl_Position.y = round( gl_Position.y ) + 0.5;
+        gl_Position.y = normalized( gl_Position.y, gl_Position.w, size.y );
+    }
+}
diff --git a/src/nodes/shaders/crisplines.vert.qsb b/src/nodes/shaders/crisplines.vert.qsb
new file mode 100644
index 00000000..27f5213f
Binary files /dev/null and b/src/nodes/shaders/crisplines.vert.qsb differ
diff --git a/src/nodes/shaders/gradientconic.frag.qsb b/src/nodes/shaders/gradientconic.frag.qsb
index 517fbf52..c2a0848e 100644
Binary files a/src/nodes/shaders/gradientconic.frag.qsb and b/src/nodes/shaders/gradientconic.frag.qsb differ
diff --git a/src/nodes/shaders/gradientconic.vert.qsb b/src/nodes/shaders/gradientconic.vert.qsb
index 6d5b2293..e1b0505c 100644
Binary files a/src/nodes/shaders/gradientconic.vert.qsb and b/src/nodes/shaders/gradientconic.vert.qsb differ
diff --git a/src/nodes/shaders/gradientlinear.frag.qsb b/src/nodes/shaders/gradientlinear.frag.qsb
index 87c773bd..0d042678 100644
Binary files a/src/nodes/shaders/gradientlinear.frag.qsb and b/src/nodes/shaders/gradientlinear.frag.qsb differ
diff --git a/src/nodes/shaders/gradientlinear.vert.qsb b/src/nodes/shaders/gradientlinear.vert.qsb
index ef94ce40..55c4d629 100644
Binary files a/src/nodes/shaders/gradientlinear.vert.qsb and b/src/nodes/shaders/gradientlinear.vert.qsb differ
diff --git a/src/nodes/shaders/gradientradial.frag.qsb b/src/nodes/shaders/gradientradial.frag.qsb
index c0b5aea2..5af5a391 100644
Binary files a/src/nodes/shaders/gradientradial.frag.qsb and b/src/nodes/shaders/gradientradial.frag.qsb differ
diff --git a/src/nodes/shaders/gradientradial.vert.qsb b/src/nodes/shaders/gradientradial.vert.qsb
index 99fa7614..c81c721d 100644
Binary files a/src/nodes/shaders/gradientradial.vert.qsb and b/src/nodes/shaders/gradientradial.vert.qsb differ
diff --git a/src/nodes/shaders/vulkan2qsb.sh b/src/nodes/shaders/vulkan2qsb.sh
index 84f7f389..22e28e10 100755
--- a/src/nodes/shaders/vulkan2qsb.sh
+++ b/src/nodes/shaders/vulkan2qsb.sh
@@ -16,3 +16,6 @@ qsbcompile gradientradial-vulkan.frag
 
 qsbcompile gradientlinear-vulkan.vert
 qsbcompile gradientlinear-vulkan.frag
+
+qsbcompile crisplines-vulkan.vert
+qsbcompile crisplines-vulkan.frag