VK_KHR_shader_quad_control

Other Extension Metadata

Last Modified Date

2023-11-01

IP Status

No known IP claims.

Contributors
  • Tobias Hector, AMD
  • Bill Licea-Kane, Qualcomm
  • Graeme Leese, Broadcom
  • Jan-Harald Fredriksen, Arm
  • Nicolai Hähnle, AMD
  • Jeff Bolz, NVidia
  • Alan Baker, Google
  • Hans-Kristian Arntzen, Valve

Description

This extension adds new quad any/all operations, requires that derivatives are well-defined in quad-uniform control flow, and adds the ability to require helper invocations participate in group operations.

New Structures

New Enum Constants

  • VK_KHR_SHADER_QUAD_CONTROL_EXTENSION_NAME
  • VK_KHR_SHADER_QUAD_CONTROL_SPEC_VERSION
  • Extending VkStructureType:
    • VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SHADER_QUAD_CONTROL_FEATURES_KHR

New SPIR-V Capabilities

Version History

  • Revision 1, 2023-11-01 (Tobias Hector)
    • Initial draft