- GLSLstd450PackSnorm4x8
- GLSLstd450PackUnorm4x8
- GLSLstd450PackSnorm2x16
- GLSLstd450PackUnorm2x16
- GLSLstd450PackHalf2x16
- GLSLstd450UnpackSnorm4x8
- GLSLstd450UnpackUnorm4x8
- GLSLstd450UnpackSnorm2x16
- GLSLstd450UnpackUnorm2x16
- GLSLstd450UnpackHalf2x16

Test: dEQP-VK.glsl.builtin.function.pack_unpack.*
Bug: b/126873455
Change-Id: I0c765bc215d43f894cad91c7ee06b5e3af3f75db
Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/28433Tested-by: Ben Clayton <bclayton@google.com>
Reviewed-by: Nicolas Capens <nicolascapens@google.com>