VK_EXT_primitive_restart_index

Other Extension Metadata

Last Modified Date

2026-03-10

IP Status

No known IP claims.

Contributors

• Mike Blumenkrantz, Valve
• Spencer Fricke, LunarG
• Ricardo Garcia, Igalia
• Piers Daniell, NVIDIA

Description

This extension allows setting a custom primitive restart index. It is primarily intended to support GL emulation.

New Commands

• vkCmdSetPrimitiveRestartIndexEXT

New Structures

• Extending VkPhysicalDeviceFeatures2, VkDeviceCreateInfo:
  • VkPhysicalDevicePrimitiveRestartIndexFeaturesEXT

New Enum Constants

• VK_EXT_PRIMITIVE_RESTART_INDEX_EXTENSION_NAME
• VK_EXT_PRIMITIVE_RESTART_INDEX_SPEC_VERSION
• Extending VkStructureType:
  • VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_PRIMITIVE_RESTART_INDEX_FEATURES_EXT

Version History

• Revision 1, 2026-03-10 (Mike Blumenkrantz)
  • Internal revisions