Bake tile spacing in the first blit to avoid artifacts.
Bake tile spacing in the first blit to avoid artifacts.

It would seem more efficient to apply tile spacing in the second blit and avoid the memory overhead of baking the tile spacing in the first render task, but clearing seems to be handled differently on the two blits (absent in the second).

servo/webrender,servo/webrender,servo/webrender,servo/webrender,servo/webrender,servo/webrender