VR - SSGI eye mismatch

[alandtse]

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While we fixed the ghosting in VR, there is a more subtle issue present where the eyes are mismatched.

• [ ] - Enabled (all other checkboxes disabled). Generally looks correct but shadows in nooks and crannies will be mismatched.
• [ ] - Diffuse/Specular IL - Looking at wood piles in the shadows will show very obvious mismatches. Until we can find a way to match the eyes, VR should probably be disabled.

Examples: Output from ambientcompositescs.hlsl MainRW UAV

Enabled only: Within the red circle, you can see there is a shadow separating the logs. However, looking at the right eye, that shadow is missing. These are the subtle mismatches. and may be tolerable.

Diffuse IL enabled In this case, the entire face of the log in the circle is mismatched. The left eye is slightly darker particularly the farther it is from the camera. This is specifically caused by the SSGITexture input (slightly brightened).