Unsolved How mvp matrices value are applied in Qt3D Example https://doc.qt.io/qt-5/qt3d-simplecustommaterial-example.html
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How mvp (Model view projection) matrices are set in the code as mentioned in the above link code.
Vertex shader:
void main()
{
// Transform position, normal, and tangent to world coords
worldPosition = vec3(modelMatrix * vec4(vertexPosition, 1.0));// Calculate vertex position in clip coordinates gl_Position = mvp * vec4(worldPosition, 1.0);
}