• Bug 1627718 - clamp SWGL scale_blit to valid source and dest regions.… 

    … r=jimb

Differential Revision: https://phabricator.services.mozilla.com/D70282

[ghsync] From https://hg.mozilla.org/mozilla-central/rev/72cbd8bb7af3bdb04bc1ae34f1daac2e391ecfff
    Lee Salzman @moz-gfx
    Lee Salzman authored and moz-gfx committed Apr 11, 2020
    eb97fb8