fix: video recording — proper layout transitions + deferred buffer read

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Three validation errors fixed:
1. vkCmdCopyImageToBuffer inside render pass → moved AFTER vkCmdEndRendering
2. Swapchain images missing TRANSFER_SRC usage → added to swapchain creation
3. Wrong layout transitions → ColorAttachment→TransferSrc→copy→ColorAttachment

Architecture change:
- CaptureFrame now only records commands (returns null)
- ReadCapturedBuffer called at start of NEXT frame (after WaitFrame/fence)
  GPU has finished by then, safe to map memory
- CapturedFrame available 1 frame late (acceptable for video)
- Image transitions: ColorAttachmentOptimal→TransferSrcOptimal→ColorAttachmentOptimal
  (present transition still works because image is back in ColorAttachmentOptimal)

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This commit is contained in:

emil28092005

2026-06-19 08:52:41 +03:00

parent b6299e8048

commit 9b80ab7881

3 changed files with 25 additions and 13 deletions

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Videos/cortex_20260619_084733.mp4

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