Selection

[FacoBackup]

Picking/Debug

• [x] Render index to 16bit float channel of the depth texture
• [x] Sample pixel on click

UI

• [x] Picking has to read primitive id texture and find the matching primitive and entity based on its render id
• [x] Outline rendered based on selected primitive
• [x] Insert render index into primitive render request class
• [x] Show primitive list on hierarchy tree
  • [x] Should also be selectable
  • [x] Should be rendered with an icon to indicate that it is part of a scene and not an entity
  • [x] Different selection color
  • [x] Text node