Implements the following opcodes: • OpGroupNonUniformShuffle • OpGroupNonUniformShuffleXor Bug: b/133510501 Tests: dEQP-VK.subgroups.* Change-Id: I85dcfebe3d56d7c5a73b7fdbcb88885e7e228747 Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/35089 Kokoro-Presubmit: kokoro <noreply+kokoro@google.com> Reviewed-by: Chris Forbes <chrisforbes@google.com> Tested-by: Ben Clayton <bclayton@google.com>
