Implement float4 transform.

Bug 22124687

Change-Id: I88ea87bbf7785d61a2ca61db2855d07c0347f719
Reviewed-on: https://swiftshader-review.googlesource.com/3582
Reviewed-by: Alexis Hétu <sugoi@google.com>
Reviewed-by: Nicolas Capens <capn@google.com>
Tested-by: Nicolas Capens <capn@google.com>
2 files changed