Pipeline Barriers in Vulkan 1.3 Dynamic Rendering: Fine‑Grained vs Coarse‑Grained Decision

When adopting Vulkan 1.3 dynamic rendering, an application must decide how to insert pipeline barriers between render passes and compute work that share swapchain images.

The goal is to maintain correct image layout transitions and memory dependencies while minimizing overhead. Fine‑grained barriers allow precise stage and access masks but increase command‑buffer complexity; coarse‑grained barriers simplify recording but may insert unnecessary stalls, especially on GPUs where driver‑specific optimizations affect barrier cost.

Uncertainty remains about the performance impact threshold at which the simplicity of coarse barriers outweighs the potential gains of fine‑grained sequencing, and whether queue‑ownership transfer semantics between graphics and compute queues change the optimal barrier granularity.

What criteria should guide the choice between fine‑grained and coarse‑grained barriers in dynamic rendering?
How does queue ownership transfer affect the required barrier scopes?
Are there vendor‑specific guidelines that indicate when a coarse barrier is sufficient?