Registered Extension Number

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135

Revision

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2

Ratification Status

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Not ratified

Extension and Version Dependencies

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         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

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  • Interacts with VK_VERSION_1_4

  • Interacts with VK_EXT_mesh_shader

  • Interacts with VK_KHR_maintenance5

SPIR-V Dependencies

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Contact

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Extension Proposal

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VK_AMDX_shader_enqueue

Other Extension Metadata

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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

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

New Commands

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New Structures

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New Unions

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New Enum Constants

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  • 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

If VK_KHR_maintenance5 or Vulkan Version 1.4 is supported:

Version History

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

    • Add mesh nodes

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

    • Initial revision

See Also

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No cross-references are available

Document Notes

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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

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Copyright 2014-2025 The Khronos Group Inc.

SPDX-License-Identifier: CC-BY-4.0