[Impeller] Vulkan synchronization validation hazards (umbrella) #195698

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1. gaaclarke

   added

   engineflutter/engine related. See also e: labels.flutter/engine related. See also e: labels.

   P2Important issues not at the top of the work listImportant issues not at the top of the work list

   e: impellerImpeller rendering backend issues and features requestsImpeller rendering backend issues and features requests

   team-engineOwned by Engine teamOwned by Engine team

   on Oct 30, 2026
2. gaaclarke

   added sub-issues on Oct 30, 2026

   • [Impeller] Set up a CI shard focused on vulkan sync validation #195502
   • [Impeller] Vulkan synchronization validation reports three hazards in BlitPassVK and RenderPassBuilderVK #194987
   • [Impeller] Vulkan sync validation: render pass incoming dependency doesn't cover a prior pass's depth/stencil storeOp #195599
   • [Impeller] Vulkan sync validation: BlitPassVK::ResizeTexture layout transition is not synchronized with its blit #195598
   • [Impeller] Vulkan sync validation: BlitPassVK::OnCopyTextureToTextureCommand post-copy barrier is not synchronized with the copy #195695
   • [Impeller] Vulkan sync validation: render pass incoming dependency doesn't cover a color attachment's LOAD loadOp #195696
3. gaaclarke

   added

   P1High-priority issues at the top of the work listHigh-priority issues at the top of the work list

   on Oct 30, 2026
4. gaaclarke

   self-assigned this

   on Oct 30, 2026
5. github-project-automation

   added this to Flutter Engine Focuson Oct 30, 2026
6. gaaclarke

   removed

   P2Important issues not at the top of the work listImportant issues not at the top of the work list

   on Oct 30, 2026
7. github-project-automation

   moved this to Todo in Flutter Engine Focuson Oct 30, 2026
8. gaaclarke commented on Oct 30, 2026

   

   gaaclarke

   on Oct 30, 2026

   MemberAuthor

   More actions

   When we've closed these out, let's test on a @jtmcdole's mokey device.
9. gaaclarke

   added

   triaged-engineTriaged by Engine teamTriaged by Engine team

   on Nov 2, 2026
10. gaaclarke commented on Nov 5, 2026

    

    gaaclarke

    on Nov 5, 2026

    MemberAuthor

    More actions

    closing this out, we've addressed all known violations
11. gaaclarke

    closed this as completedon Nov 5, 2026
12. github-project-automation

    moved this from Todo to Done in Flutter Engine Focuson Nov 5, 2026