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Valve's RADV Unlocks Vulkan's Primitive Restart Trick – Zink's OpenGL Dreams Get Real

Deep in Mesa's git repo, Valve engineers just flipped the switch on Vulkan's primitive restart index for RADV. It's a small merge, but don't sleep on it – Zink's OpenGL emulation is about to level up.

theAIcatchup Apr 09, 2026 4 min read
Mesa RADV Vulkan driver merge commit for primitive restart index extension

⚡ Key Takeaways

  • RADV in Mesa 26.1 adds first support for Vulkan's VK_EXT_primitive_restart_index, aiding Zink's OpenGL-on-Vulkan. 𝕏
  • Valve's Linux team drives this; expect gains in gaming emulation like Proton. 𝕏
  • Lavapipe and ANV implementations incoming – Mesa Vulkan ecosystem levels up. 𝕏
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#Mesa #OpenGL #Primitive Restart Index #RADV #Vulkan #Zink

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Originally reported by Phoronix

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