Allow texture modification commands while PLS is active Just do a little extra validation and bounce modifications if they would modify an active PLS plane. Bug: angleproject:40096838 Change-Id: I6f27951f5d0ef5dfaf23b5a005a2d94a749e2c4f Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/6337703 Reviewed-by: Kenneth Russell <kbr@chromium.org> Reviewed-by: Alexey Knyazev <lexa.knyazev@gmail.com> Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org> Commit-Queue: Chris Dalton <chris@rive.app>