- 1. Generate FBO with Texture1 and Texture2.
- 2. Frame1:
- 3. Bind Texture1 for writing
- 4. Bind Texture2 for reading
- 5. Draw fullscreen quad and do your shader-magic
- 6. Blit Texture1 to screen
- 7. Frame2:
- 8. Bind Texture2 for writing
- 9. Bind Texture1 for reading
- 10. Draw fullscreen quad and do your shader-magic
- 11. Blit Texture2 to screen
- 12. goto 2