No output when drawn through the QQuickFramebufferObject:: renderer interface

We have a simple geometry shader with a point as input and a triangle as output. This shader is drawn by deriving QOpenGLWindow and rewriting paintGL. The geometry shader has normal output, but there is no output when drawn through the QQuickFramebufferObject:: renderer interface in QML. By printing logs, both methods use Opengles3.2, and QSurfaceForm is also set to 3.2 environment. What is the reason why the same shader cannot work in QML but has no problem in QOpenGLWindow? Thank you.
RK3588, android12,ndk25,qt6.5.5arm64-v8a