Merge the prototype from QTBUG-79219 into the 'dev' branch of qt/qtquick3d.
Note that this involves a dependency on the qtshadertools module, so QTBUG-78589 has to be in place first.
- depends on
- 
                     QTBUG-78589
        Qt Shader Tools module in Qt 6.0 QTBUG-78589
        Qt Shader Tools module in Qt 6.0-         
- Closed
 
-         
- is required for
- 
                     QTBUG-78679
        Port Qt Quick 3D onto the RHI QTBUG-78679
        Port Qt Quick 3D onto the RHI-         
- Closed
 
-