NVIDIA VXGI Integration

[anonymous_user_7c71c8ec]

@iniside;635946

Is there option to use VXGI at half res ? High resolutions scale really poorly with VXGI enabled, eating as much as 50% performance.

VXGI diffuse tracing can already run at 1/2, 1/3 or 1/4 the display resolution. This is controlled by “Tracing Sparsity” parameter in PPV / VXGI Diffuse.