Vulkan: SPIR-V Gen: Fix textureProj's coordinate adjustment The OpCompositeInsert's parameters were given in the wrong order. Additionally, some instructions were not having RelaxedPrecision applied correctly; this is fixed by deriving the decorations from the type of the argument that's passed in a function instead of the type of the parameter itself. Bug: angleproject:4889 Change-Id: I34a54fcc0ef1699e554f9e1abb94c93a5b34b6d3 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3046102 Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org> Reviewed-by: Tim Van Patten <timvp@google.com> Reviewed-by: Jamie Madill <jmadill@chromium.org> Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org>