OK! Since I have found the solution. I answer to myself.
I just add this code:
QMatrix4x4 flipY;
flipY.translate(width()/2.0, height()/2.0);
flipY.scale(1.0, -1.0);
flipY.translate(-width()/2.0, -height()/2.0);
updatePaintNodeData->transformNode->setMatrix(flipY);
In the updatePaintNode of my custom QQuickItem which declares the
QSGSimpleTextureNode.
Olivier.
>________________________________
> De : BOUCARD Olivier <boucard_oliv...@yahoo.fr>
>À : "interest@qt-project.org" <interest@qt-project.org>
>Envoyé le : Dimanche 19 mai 2013 22h26
>Objet : [Interest] Flip a QSGSimpleTextureNode
>
>
>
>Hi guys,
>
>
>I'm trying to draw native OpenGL using QSGSimpleTextureNode.
>The problem is that my Y axis is upside-down.
>Is there a way to flip the axis when rendering the texture to the screen?
>
>
>Thanks for any help.
>
>
>Olivier Boucard.
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>Interest mailing list
>Interest@qt-project.org
>http://lists.qt-project.org/mailman/listinfo/interest
>
>
>
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