{ "register_extension": { "type": "device", "core": "" }, "mandatory_features": { "VkPhysicalDeviceAccelerationStructureFeaturesKHR": [ { "features": ["accelerationStructure"], "requirements": ["VK_KHR_acceleration_structure"] }, { "features": ["descriptorBindingAccelerationStructureUpdateAfterBind"], "requirements": ["VK_KHR_acceleration_structure"] } ] } }