tree 82bc32ee6796ce78851451ebbca76e764b7c5e57
parent 86118e5997ec4b8914b9617d89e7a6cceb8f4c0c
author Brandon DeRosier <bdero@google.com> 1682531472 -0700
committer GitHub <noreply@github.com> 1682531472 -0700
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[Impeller] Store the root stencil on iOS (#41509)

Switch the root RenderPass stencil from transient to device private, add
validation logs, and dry the offscreen stencil setup. Also make the
multisample root stencil setup valid in Vulkan (the attachment
mismatched the texture -- this didn't matter before since we were always
replacing it).

Fixes a bug where the stencil gets erased between root render passes --
this issue was introduced when we removed the root blit on iOS.