* vulkan: add fwht support for Intel with shmem reduction * don't use N as workgroup size * disable subgroup shuffle on MoltenVK AMD * disable fwht shader on Intel Windows due to driver bug
* vulkan: add fwht support for Intel with shmem reduction * don't use N as workgroup size * disable subgroup shuffle on MoltenVK AMD * disable fwht shader on Intel Windows due to driver bug