There are three levels of Optimization:
- No Optimization - Raytracing is enabled everywhere, this causes severe FPS drop, down to 10FPS.
- Mild Optimization - Raytracing is enabled everywhere, but lights turn off when they are not near the player. This means that Raytraced Shadows and AO do not have to be calculated, thus increasing FPS.
- High Optimization - Only Raytracing methods that make a difference are enabled. So for example, if RT Ambient Occlusion makes the room look better than RT Shadows, then I just turn on RT AO and turn off every other RT method. Another thing I do is that I unload a part of the level that is not visible to the player. So when the player goes inside another room, the room that he was previously in unloads, causing a drop in RT calculations and an increase in FPS.
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