I found the issue : https://bugreports.qt.io/browse/QTBUG-56337
I think that is the kind of bug I can fix, I suppose that I have to follow guidelines from http://wiki.qt.io/Portal:Contributors ? 2016-10-03 15:06 GMT+02:00 Xavier Bigand <flamaros.xav...@gmail.com>: > Hi, > > I am trying to pass a QMatrix object to my shader, but instead of > receiving an identity matrix all field are null. > > Here is my parameter declaration : > > mTexCoordTransform(new > Qt3DRender::QParameter(QStringLiteral("u_texCoordTransform"), QMatrix())) > > > And here my uniform declaration in the shader : > > uniform highp mat3 u_texCoordTransform; > > > > Is it a bug or is there a something wrong with my uniform declaration? > > > -- > Xavier > -- Xavier
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