Adds ready for rendering function in the emulator.

[sergey-borovkov]

It does nothing in the emulator.

What does this PR do?

GitHub issue or Phabricator ticket number?

How has this been tested?

Checklist before merging

• [ ] If have added tests.
• [ ] Is this a new feature? If yes, please write one phrase about this update.
• [ ] I've attached relevant screenshots (if relevant).