d3d12: Fix blitting from/to same resource
Seems @lfrb forgot to enable editing by others in !107 (closed), so here's a resend so I can rebase it on msclc-d3d12. It's already reviewed.
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Seems @lfrb forgot to enable editing by others in !107 (closed), so here's a resend so I can rebase it on msclc-d3d12. It's already reviewed.