Sebastian Tafuri

FfxResourceFlags are not propagated to createResource function

1

There seems to be a mistake during the creation of the `FfxResourceDescription ` during context creation where the resource flags are omitted. This means that the backend will never create...

The function [`TIF`](https://github.com/GPUOpen-Effects/FidelityFX-FSR2/blob/c8fc17d281665927e414b6b8117873cccbac0990/src/ffx-fsr2-api/dx12/ffx_fsr2_dx12.cpp#L133) will currently execute `throw 1` upon failure. It would be useful to make this behavior compile-time configurable for easier integration in projects with exceptions disabled.

As can be seen on the following line, the flags will never be set, which currently means that no resources will be marked as aliasable. https://github.com/GPUOpen-Effects/FidelityFX-FSR2/blob/9fd56d0dd73dee53d8daad6375b529e750423039/src/ffx-fsr2-api/ffx_fsr2.cpp#L400

While validating some equations and trying to recreate some plots from chapter 9.9 "Scattering from Hair" I noticed a possible error in the `βₙ` parameter specified in the description of...