VK_AMDX_shader_enqueue(3) (original) (raw)

Registered Extension Number

Revision

Ratification Status

Extension and Version Dependencies

• 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

• Tobias Hector [GitHub]tobski

Extension Proposal

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

• Extending VkBufferUsageFlagBits2:

  • VK_BUFFER_USAGE_2_EXECUTION_GRAPH_SCRATCH_BIT_AMDX

• Extending VkPipelineCreateFlagBits2:

  • VK_PIPELINE_CREATE_2_EXECUTION_GRAPH_BIT_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

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

Copyright

Copyright 2014-2025 The Khronos Group Inc.

SPDX-License-Identifier: CC-BY-4.0