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vkCmdPipelineBarrier vs external subpass dependencies · Issue #531 · KhronosGroup/Vulkan-Docs
Subpass dependencies are indeed a memory barrier that applies to all resources.
Effectively they are a pipeline barrier with a VkMemoryBarrier
Except they also count as including a VkImageMemoryBarrier for attachments referenced by both src+dst subpasses, with layouts as described by those two subpasses
External subpasses count as referencing all attachments with layouts described by the initial/finalLayout parameters of the render pass.
vulkan  synchronisation  renderpass 
3 days ago by tgfrerer
AMD have now officially open-sourced their 'AMDVLK' driver
Vulkan  Linux  from twitter_favs
9 weeks ago by jimpick

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