Registered Extension Number

135

Revision

2

Ratification Status

Not ratified

Extension and Version Dependencies

         VK_KHR_synchronization2
         and
         VK_KHR_spirv_1_4
         and
         VK_EXT_extended_dynamic_state
     or
     Vulkan Version 1.3
and
VK_KHR_maintenance5
and
VK_KHR_pipeline_library

  • This is a provisional extension and must be used with caution. See the description of provisional header files for enablement and stability details.

API Interactions

  • Interacts with VK_VERSION_1_4

  • Interacts with VK_EXT_mesh_shader

  • Interacts with VK_KHR_maintenance5

SPIR-V Dependencies

Contact

Extension Proposal

Other Extension Metadata

Last Modified Date

2024-07-17

Provisional

This extension is provisional and should not be used in production applications. The functionality may change in ways that break backwards compatibility between revisions, and before final release.

Contributors
  • Tobias Hector, AMD

  • Matthaeus Chajdas, AMD

  • Maciej Jesionowski, AMD

  • Robert Martin, AMD

  • Qun Lin, AMD

  • Rex Xu, AMD

  • Dominik Witczak, AMD

  • Karthik Srinivasan, AMD

  • Nicolai Haehnle, AMD

  • Stuart Smith, AMD

Description

This extension adds the ability for developers to enqueue mesh and compute shader workgroups from other compute shaders.

New Commands

New Structures

New Unions

New Enum Constants

  • VK_AMDX_SHADER_ENQUEUE_EXTENSION_NAME

  • VK_AMDX_SHADER_ENQUEUE_SPEC_VERSION

  • VK_SHADER_INDEX_UNUSED_AMDX

  • Extending VkBufferUsageFlagBits:

    • VK_BUFFER_USAGE_EXECUTION_GRAPH_SCRATCH_BIT_AMDX

  • Extending VkPipelineBindPoint:

    • VK_PIPELINE_BIND_POINT_EXECUTION_GRAPH_AMDX

  • Extending VkStructureType:

    • VK_STRUCTURE_TYPE_EXECUTION_GRAPH_PIPELINE_CREATE_INFO_AMDX

    • VK_STRUCTURE_TYPE_EXECUTION_GRAPH_PIPELINE_SCRATCH_SIZE_AMDX

    • VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SHADER_ENQUEUE_FEATURES_AMDX

    • VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SHADER_ENQUEUE_PROPERTIES_AMDX

    • VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_NODE_CREATE_INFO_AMDX

Version History

  • Revision 2, 2024-07-17 (Tobias Hector)

    • Add mesh nodes

  • Revision 1, 2021-07-22 (Tobias Hector)

    • Initial revision

See Also

No cross-references are available

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.

Copyright 2014-2025 The Khronos Group Inc.

SPDX-License-Identifier: CC-BY-4.0