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[Elijah Mitchell]

Great topic. The key insight most people miss is that DX 12 Ultimate’s resizability and DSA (Direct State Access) are essentially Microsoft’s answer to Vulkan’s descriptor indexing and update queue pattern, so if you’re porting a Vulkan engine you’re really just re-learning the same concepts. In Vulkan, your actual draw call overhead comes from three things: descriptor set updates, pipeline layout validation, and barrier management. The descriptor stuff is the killer — if you’re rebuilding descriptor sets every

"Stay calm, click heads."

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