WIP: [vk] Initial support: shader read barriers & VK_EXT feedback loop #2556

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Ghost wants to merge 2 commits from (deleted):ribbitvulkanadditions into master

Ghost commented

2025-09-23 05:39:07 +02:00

Track framebuffer images, subresource ranges, and intended layouts in the Vulkan scheduler so render passes enter/leave attachment feedback loop layouts correctly
Surface VK_EXT_attachment_feedback_loop_layout through device feature filtering, render-pass construction, pipeline create flags, image usage bits, and descriptor/image layout selection
Teach the texture cache runtime to tag render targets with their feedback layouts, expose the runtime to descriptor helpers, and skip legacy feedback barriers when the extension is active
Add shader read barriers and generalized layout transitions to blit/conversion paths so recently written attachments can be safely sampled or converted by subsequent shaders

All of these changes are WIP. Testers please provide me with vulkan validation logs so I can fine tune these changes, thank you.

- Track framebuffer images, subresource ranges, and intended layouts in the Vulkan scheduler so render passes enter/leave attachment feedback loop layouts correctly - Surface VK_EXT_attachment_feedback_loop_layout through device feature filtering, render-pass construction, pipeline create flags, image usage bits, and descriptor/image layout selection - Teach the texture cache runtime to tag render targets with their feedback layouts, expose the runtime to descriptor helpers, and skip legacy feedback barriers when the extension is active - Add shader read barriers and generalized layout transitions to blit/conversion paths so recently written attachments can be safely sampled or converted by subsequent shaders All of these changes are WIP. Testers please provide me with vulkan validation logs so I can fine tune these changes, thank you.

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