You can do this with the path tracers. To do so:
- turn on ray tracing
- switch the “back end” to either either “OSPRay path tracer” or “OptiX path tracer”.
- Select an object in the pipeline browser and increase the “Luminosity” to anything more than the 0 default.
The color emitted is that of the object’s Solid Color (White is the Default). Note that the above image was made with a prototype that had material level controls that are not yet in ParaView master, but would be really fun to polish and integrate.