ftransform implementation

Change-Id: I8a3be46821943951e5980125ebe648c555b9cb28
Reviewed-on: https://swiftshader-review.googlesource.com/3721
Reviewed-by: Maxime Grégoire <mgregoire@google.com>
Tested-by: Maxime Grégoire <mgregoire@google.com>
5 files changed