C Specification

VkShaderModuleCreateInfo structures have unique identifiers associated with them. To query an implementation provided identifier, call:

// Provided by VK_EXT_shader_module_identifier
void vkGetShaderModuleCreateInfoIdentifierEXT(
    VkDevice                                    device,
    const VkShaderModuleCreateInfo*             pCreateInfo,
    VkShaderModuleIdentifierEXT*                pIdentifier);



The identifier returned by implementation must only depend on shaderIdentifierAlgorithmUUID and information provided in the VkShaderModuleCreateInfo. The implementation may return equal identifiers for two different VkShaderModuleCreateInfo structures if the difference does not affect pipeline compilation. Identifiers are only meaningful on different VkDevice objects if the device the identifier was queried from had the same shaderModuleIdentifierAlgorithmUUID as the device consuming the identifier.

The identifier returned by the implementation in vkGetShaderModuleCreateInfoIdentifierEXT must be equal to the identifier returned by vkGetShaderModuleIdentifierEXT given equivalent definitions of VkShaderModuleCreateInfo and any chained pNext structures.

Valid Usage
  • VUID-vkGetShaderModuleCreateInfoIdentifierEXT-shaderModuleIdentifier-06885
    shaderModuleIdentifier feature must be enabled

Valid Usage (Implicit)
  • VUID-vkGetShaderModuleCreateInfoIdentifierEXT-device-parameter
    device must be a valid VkDevice handle

  • VUID-vkGetShaderModuleCreateInfoIdentifierEXT-pCreateInfo-parameter
    pCreateInfo must be a valid pointer to a valid VkShaderModuleCreateInfo structure

  • VUID-vkGetShaderModuleCreateInfoIdentifierEXT-pIdentifier-parameter
    pIdentifier must be a valid pointer to a VkShaderModuleIdentifierEXT structure

See Also

Document Notes

For more information, see the Vulkan Specification

This page is extracted from the Vulkan Specification. Fixes and changes should be made to the Specification, not directly.

Copyright 2014-2022 The Khronos Group Inc.

SPDX-License-Identifier: CC-BY-4.0