VK_KHR_video_decode_queue(3)

# VK_KHR_video_decode_queue(3) Manual Page

## Name

VK_KHR_video_decode_queue - device extension

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## Registered Extension Number

25

## Revision

1

## Extension and Version Dependencies

- Requires Vulkan 1.0

- Requires `VK_KHR_video_queue`

- Requires `VK_KHR_synchronization2`

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

  Last Modified Date

    2021-03-29

  IP Status

    No known IP claims.

  Contributors

    - Jake Beju, AMD

    - Olivier Lapicque, NVIDIA

    - Peter Fang, AMD

    - Piers Daniell, NVIDIA

    - Srinath Kumarapuram, NVIDIA

    - Tony Zlatinski, NVIDIA

### New Commands

- vkCmdDecodeVideoKHR

### New Structures

- VkVideoDecodeInfoKHR

### New Enums

- VkVideoDecodeFlagBitsKHR

### New Bitmasks

- VkVideoDecodeFlagsKHR

### New Enum Constants

- `VK_KHR_VIDEO_DECODE_QUEUE_EXTENSION_NAME`

- `VK_KHR_VIDEO_DECODE_QUEUE_SPEC_VERSION`

- Extending VkAccessFlagBits2KHR:

  - `VK_ACCESS_2_VIDEO_DECODE_READ_BIT_KHR`

  - `VK_ACCESS_2_VIDEO_DECODE_WRITE_BIT_KHR`

- Extending VkBufferUsageFlagBits:

  - `VK_BUFFER_USAGE_VIDEO_DECODE_DST_BIT_KHR`

  - `VK_BUFFER_USAGE_VIDEO_DECODE_SRC_BIT_KHR`

- Extending VkFormatFeatureFlagBits:

  - `VK_FORMAT_FEATURE_VIDEO_DECODE_DPB_BIT_KHR`

  - `VK_FORMAT_FEATURE_VIDEO_DECODE_OUTPUT_BIT_KHR`

- Extending VkImageLayout:

  - `VK_IMAGE_LAYOUT_VIDEO_DECODE_DPB_KHR`

  - `VK_IMAGE_LAYOUT_VIDEO_DECODE_DST_KHR`

  - `VK_IMAGE_LAYOUT_VIDEO_DECODE_SRC_KHR`

- Extending VkImageUsageFlagBits:

  - `VK_IMAGE_USAGE_VIDEO_DECODE_DPB_BIT_KHR`

  - `VK_IMAGE_USAGE_VIDEO_DECODE_DST_BIT_KHR`

  - `VK_IMAGE_USAGE_VIDEO_DECODE_SRC_BIT_KHR`

- Extending VkPipelineStageFlagBits2KHR:

  - `VK_PIPELINE_STAGE_2_VIDEO_DECODE_BIT_KHR`

- Extending VkQueueFlagBits:

  - `VK_QUEUE_VIDEO_DECODE_BIT_KHR`

- Extending VkStructureType:

  - `VK_STRUCTURE_TYPE_VIDEO_DECODE_INFO_KHR`

### Version History

- Revision 1, 2018-6-11 (Peter Fang)

  - Initial draft

- Revision 1.5, Nov 09 2018 (Tony Zlatinski)

  - API Updates

- Revision 1.6, Jan 08 2020 (Tony Zlatinski)

  - API unify with the video_encode_queue spec

- Revision 1.7, March 29 2021 (Tony Zlatinski)

  - Spec and API updates.

## See Also

VkVideoDecodeFlagBitsKHR, VkVideoDecodeFlagsKHR, VkVideoDecodeInfoKHR, vkCmdDecodeVideoKHR

## 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

Copyright 2014-2021 The Khronos Group Inc.

SPDX-License-Identifier: CC-BY-4.0