Fixes many tests in dEQP-VK.glsl.*

Bug: b/126873455
Change-Id: If949066bbe1d333755d1d83ab175bc39dcc91d91
Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/26608Tested-by: Chris Forbes <chrisforbes@google.com>
Presubmit-Ready: Chris Forbes <chrisforbes@google.com>
Reviewed-by: Nicolas Capens <nicolascapens@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
Kokoro-Presubmit: kokoro <noreply+kokoro@google.com>