Registered Extension Number

529

Revision

1

Ratification Status

Ratified

Extension and Version Dependencies

SPIR-V Dependencies

Contact

Extension Proposal

Other Extension Metadata

Last Modified Date

2023-05-16

Interactions and External Dependencies
Contributors
  • Graeme Leese, Broadcom

Description

This extension enables use of the more expressive fast floating-point math flags in the SPV_KHR_float_controls2 extension. These flags give finer- grained control over which optimisations compilers may apply, potentially speeding up execution while retaining correct results.

The extension also adds control over the fast-math modes to the GLSL extended instruction set, making these operations more consistent with SPIR-V and allowing their use in situations where floating-point conformance is important.

New Structures

New Enum Constants

  • VK_KHR_SHADER_FLOAT_CONTROLS_2_EXTENSION_NAME

  • VK_KHR_SHADER_FLOAT_CONTROLS_2_SPEC_VERSION

  • Extending VkStructureType:

    • VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SHADER_FLOAT_CONTROLS_2_FEATURES_KHR

New SPIR-V Capabilities

Version History

  • Revision 1, 2023-05-16 (Graeme Leese)

    • Initial draft

See Also

Document Notes

For more information, see the Vulkan Specification

This page is a generated document. Fixes and changes should be made to the generator scripts, not directly.

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