ProgramGL was unable to handle uniform arrays and improperly set uniform locations. It now queries the driver for the location of each uniform and iterates over all array elements. BUG=angleproject:882 Change-Id: Iffe9d12944b2399f19f4a7823df2f535a430d6e3 Reviewed-on: https://chromium-review.googlesource.com/265724Tested-by: Geoff Lang <geofflang@chromium.org> Reviewed-by: Kenneth Russell <kbr@chromium.org> Reviewed-by: Jamie Madill <jmadill@chromium.org>
