Remove subview stuff from vr.cpp, not neded in our case
Remove FSR, wasn't doing much and was causing issues with VR stencil, fix vr stencil debug
Granular foveated rendering, still needs cleanup
Remove old deprecated depth of field, cleanup checkerboard reconstruction
Add convars for vr_foveated_rendering
Get center lens position from HMD, pass foveation parameters to GPU
Cleanup and update shader files
Readd FSR for now, wouldn't be able to properly remove it until we have a good replacement, but don't bother with it if we're in VR
Remove unused convars
Tweak autofidelity, remove autofidelity for multigpu, add autofidelity for mobile while at it, fix typo
Tie vr_foveated_rendering to autofidelity, optimize shaders a bit
Fix rebase changes for shader assets