VK_KHR_shader_expect_assume

Other Extension Metadata

Last Modified Date

2023-12-06

IP Status

No known IP claims.

Contributors

• Kevin Petit, Arm
• Tobias Hector, AMD
• James Fitzpatrick, Imagination Technologies

Description

This extension allows the use of the SPV_KHR_expect_assume extension in SPIR-V shader modules which enables SPIR-V producers to provide optimization hints to the Vulkan implementation.

New Structures

• Extending VkPhysicalDeviceFeatures2, VkDeviceCreateInfo:
  • VkPhysicalDeviceShaderExpectAssumeFeaturesKHR

New Enum Constants

• VK_KHR_SHADER_EXPECT_ASSUME_EXTENSION_NAME
• VK_KHR_SHADER_EXPECT_ASSUME_SPEC_VERSION
• Extending VkStructureType:
  • VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SHADER_EXPECT_ASSUME_FEATURES_KHR

New SPIR-V Capabilities

• ExpectAssumeKHR

Version History

• Revision 1, 2023-12-06 (Kevin Petit)
  • Initial revision