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QPolygonOffset Class

The QPolygonOffset class sets the scale and steps to calculate depth values for polygon offsets.

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QPolygonOffset Class

  • Header: QPolygonOffset

  • CMake:

    find_package(Qt6 REQUIRED COMPONENTS 3drender)

    target_link_libraries(mytarget PRIVATE Qt6::3drender)

  • qmake: QT += 3drender

  • Inherited By:

  • Instantiated By: qml-qt3d-render-polygonoffset.xml

  • Inherits: Qt3DRender::QRenderState

  • Group: QPolygonOffset is part of renderstates

Detailed Description

A QPolygonOffset class adds an offset to the fragment depth value prior to depth test and depth write. The offset can be used to avoid z-fighting when rendering polygons with very close depth values such as decals.

Property Documentation

 

depthSteps : float

Holds the units that create constant depth offsets. Default value is 0.

Access functions:

  • float depthSteps() const

  • void setDepthSteps(float depthSteps)

Notifier signal:

  • void depthStepsChanged(float depthSteps)

scaleFactor : float

Holds the scale factor used to create a variable depth offset for each polygon. Default value is 0.

Access functions:

  • float scaleFactor() const

  • void setScaleFactor(float scaleFactor)

Notifier signal:

  • void scaleFactorChanged(float scaleFactor)

Member Function Documentation

 

[explicit] QPolygonOffset::QPolygonOffset(Qt3DCore::QNode *parent = nullptr)

The constructor creates a new QPolygonOffset::QPolygonOffset instance with the specified parent

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