da50e36224
Resolves https://github.com/flutter/flutter/issues/132936. * In some cases, mask blurs were getting applied twice. * Coverage hint clipping was too aggressive on the second pass of the gaussian blur. * Rework the mask blur applicator to support gracefully falling back to GPU-based color filters when necessary. This fix requires us to cherry-pick: https://github.com/flutter/engine/pull/43519 Going a revert-based route to fix all of these problems would also be pretty complex. https://github.com/flutter/engine/assets/919017/9ee5e856-af7a-42b9-b135-ea268c2ba53f