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// Copyright 2015-2026 The Khronos Group Inc.
// SPDX-License-Identifier: CC-BY-4.0
[[initialization]]
= Initialization
Before using Vulkan, an application must: initialize it by loading the
Vulkan commands, and creating a sname:VkInstance object.
[[initialization-functionpointers]]
== Command Function Pointers
Vu... | vulkan-spec/chapters/initialization.adoc | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.193 | false | false | 44,863 | -1 |
// Copyright 2021-2026 The Khronos Group Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
include::{generated}/meta/{refprefix}VK_EXT_texture_compression_astc_3d.adoc[]
=== Other Extension Metadata
*Last Modified Date*::
2025-06-09
*IP Status*::
No known issues.
*Contributors*::
- Jan-Harald Fredriksen, Arm
... | vulkan-spec/appendices/VK_EXT_texture_compression_astc_3d.adoc | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.333 | false | false | 842 | -1 |
// Copyright 2020-2026 The Khronos Group Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
// Common Valid Usage
// Common to VkImageBlit* structures
* [[VUID-{refpage}-aspectMask-00238]]
The pname:aspectMask member of pname:srcSubresource and
pname:dstSubresource must: match
* [[VUID-{refpage}-layerCount-0880... | vulkan-spec/chapters/commonvalidity/image_blit_common.adoc | books | vulkan-spec | vulkan-spec/chapters/commonvalidity | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.36 | false | false | 1,201 | -1 |
// Copyright 2017-2026 The Khronos Group Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
include::{generated}/meta/{refprefix}VK_EXT_depth_clamp_zero_one.adoc[]
=== Other Extension Metadata
*Last Modified Date*::
2021-07-29
*Contributors*::
- Graeme Leese, Broadcom
=== Description
This extension gives defined ... | vulkan-spec/appendices/VK_EXT_depth_clamp_zero_one.adoc | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.28 | false | false | 991 | -1 |
// Copyright 2017-2026 The Khronos Group Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
include::{generated}/meta/{refprefix}VK_EXT_queue_family_foreign.adoc[]
=== Other Extension Metadata
*Last Modified Date*::
2017-11-01
*IP Status*::
No known IP claims.
*Contributors*::
- Lina Versace, Google
- James J... | vulkan-spec/appendices/VK_EXT_queue_family_foreign.adoc | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.268 | false | false | 1,689 | -1 |
// Copyright 2025-2026 The Khronos Group Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
// Common Valid Usage
// Common to vkCmdCopyMemoryToImageIndirect* commands
* [[VUID-{refpage}-dstImage-07661]]
pname:dstImage must: not be a protected image
* [[VUID-{refpage}-aspectMask-07662]]
The pname:aspectMask mem... | vulkan-spec/chapters/commonvalidity/indirect_memory_to_image_copy_common.adoc | books | vulkan-spec | vulkan-spec/chapters/commonvalidity | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.247 | false | false | 5,004 | -1 |
// Copyright (c) 2019-2022 Arm Ltd.
//
// SPDX-License-Identifier: CC-BY-4.0
include::{generated}/meta/{refprefix}VK_ARM_shader_core_builtins.adoc[]
=== Other Extension Metadata
*Last Modified Date*::
2022-10-05
*Interactions and External Dependencies*::
- This extension provides API support for
{GLSLregis... | vulkan-spec/appendices/VK_ARM_shader_core_builtins.adoc | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.372 | false | false | 1,883 | -1 |
// Copyright 2014-2026 The Khronos Group Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
include::{generated}/meta/{refprefix}VK_KHR_display.adoc[]
=== Other Extension Metadata
*Last Modified Date*::
2017-03-13
*IP Status*::
No known IP claims.
*Contributors*::
- James Jones, NVIDIA
- Norbert Nopper, Frees... | vulkan-spec/appendices/VK_KHR_display.adoc | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.376 | false | false | 13,779 | -1 |
// Copyright 2020-2026 The Khronos Group Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
// Common Valid Usage
// Common to structs taking VkPipelineStageFlags2 and VkAccessFlags2 parameters to define scopes
// Set "stageMaskName" and "accessMaskName" attribute to the name of the stage and access mask to validate
* [[... | vulkan-spec/chapters/commonvalidity/access_mask_2_common.adoc | books | vulkan-spec | vulkan-spec/chapters/commonvalidity | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.149 | false | false | 18,047 | -1 |
// Copyright 2016-2026 The Khronos Group Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
include::{generated}/meta/{refprefix}VK_KHR_buffer_device_address.adoc[]
=== Other Extension Metadata
*Last Modified Date*::
2019-06-24
*IP Status*::
No known IP claims.
*Interactions and External Dependencies*::
- This ... | vulkan-spec/appendices/VK_KHR_buffer_device_address.adoc | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.133 | false | false | 3,936 | -1 |
// Copyright 2023-2026 The Khronos Group Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
include::{generated}/meta/{refprefix}VK_QCOM_filter_cubic_weights.adoc[]
=== Other Extension Metadata
*Last Modified Date*::
2023-06-23
*Contributors*::
- Jeff Leger, Qualcomm Technologies, Inc.
- Jonathan Wicks, Qualcomm ... | vulkan-spec/appendices/VK_QCOM_filter_cubic_weights.adoc | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.333 | false | false | 1,302 | -1 |
// Copyright (c) 2016-2020 Advanced Micro Devices, Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
include::{generated}/meta/{refprefix}VK_AMD_shader_ballot.adoc[]
=== Other Extension Metadata
*Last Modified Date*::
2016-09-19
*IP Status*::
No known IP claims.
*Interactions and External Dependencies*::
- Thi... | vulkan-spec/appendices/VK_AMD_shader_ballot.adoc | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.385 | false | false | 883 | -1 |
// Copyright 2018-2026 The Khronos Group Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
include::{generated}/meta/{refprefix}VK_KHR_video_decode_h264.adoc[]
=== Other Extension Metadata
*Last Modified Date*::
2023-12-05
*IP Status*::
No known IP claims.
*Contributors*::
- Ahmed Abdelkhalek, AMD
- Chunbo C... | vulkan-spec/appendices/VK_KHR_video_decode_h264.adoc | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.443 | false | false | 3,073 | -1 |
// Copyright 2016-2026 The Khronos Group Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
include::{generated}/meta/{refprefix}VK_LUNARG_direct_driver_loading.adoc[]
=== Other Extension Metadata
*Last Modified Date*::
2022-11-29
*Contributors*::
- Charles Giessen, LunarG
=== Description
This extension provides ... | vulkan-spec/appendices/VK_LUNARG_direct_driver_loading.adoc | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.368 | false | false | 744 | -1 |
// Copyright (c) 2021-2022 The Brenwill Workshop Ltd.
//
// SPDX-License-Identifier: CC-BY-4.0
include::{generated}/meta/{refprefix}VK_EXT_metal_objects.adoc[]
=== Other Extension Metadata
*Last Modified Date*::
2024-04-04
*IP Status*::
No known IP claims.
*Contributors*::
- Bill Hollings, The Brenwill Wor... | vulkan-spec/appendices/VK_EXT_metal_objects.adoc | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.275 | false | false | 1,915 | -1 |
// Copyright 2015-2026 The Khronos Group Inc.
// SPDX-License-Identifier: CC-BY-4.0
[appendix]
[[versions]]
= Core Revisions (Informative)
New minor versions of the Vulkan API are defined periodically by the Khronos
Vulkan Working Group.
These consist of some amount of additional functionality added to the core
API, ... | vulkan-spec/appendices/versions.adoc | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.271 | false | false | 41,810 | -1 |
// Copyright (c) 2017-2020 Advanced Micro Devices, Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
include::{generated}/meta/{refprefix}VK_AMD_shader_fragment_mask.adoc[]
=== Other Extension Metadata
*Last Modified Date*::
2017-08-16
*IP Status*::
No known IP claims.
*Interactions and External Dependencies*::
... | vulkan-spec/appendices/VK_AMD_shader_fragment_mask.adoc | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.222 | false | false | 2,667 | -1 |
// Copyright 2019-2026 The Khronos Group Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
include::{generated}/meta/{refprefix}VK_EXT_provoking_vertex.adoc[]
=== Other Extension Metadata
*Last Modified Date*::
2021-02-22
*IP Status*::
No known IP claims.
*Contributors*::
- Alexis Hétu, Google
- Bill Licea-K... | vulkan-spec/appendices/VK_EXT_provoking_vertex.adoc | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.206 | false | false | 3,105 | -1 |
// Copyright 2014-2026 The Khronos Group Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
include::{generated}/meta/{refprefix}VK_KHR_swapchain_mutable_format.adoc[]
=== Other Extension Metadata
*Last Modified Date*::
2018-03-28
*IP Status*::
No known IP claims.
*Contributors*::
- Faith Ekstrand, Intel
- Ja... | vulkan-spec/appendices/VK_KHR_swapchain_mutable_format.adoc | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.239 | false | false | 1,900 | -1 |
If the image has a depth/stencil format
ifdef::VK_EXT_image_drm_format_modifier[]
and its tiling is ename:VK_IMAGE_TILING_LINEAR
endif::VK_EXT_image_drm_format_modifier[]
, then pname:aspectMask must: be either ename:VK_IMAGE_ASPECT_DEPTH_BIT or
ename:VK_IMAGE_ASPECT_STENCIL_BIT.
On implementations that store depth and... | vulkan-spec/chapters/resources.adoc#p2 | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.188 | false | false | 149,849 | -1 |
// Copyright 2018-2026 The Khronos Group Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
[[opticalflow]]
= Optical Flow
== Optical Flow Queues
`apiext:VK_NV_optical_flow` adds an optical flow queue type bit
ename:VK_QUEUE_OPTICAL_FLOW_BIT_NV to elink:VkQueueFlagBits.
Optical flow operations are supported by queues wi... | vulkan-spec/chapters/VK_NV_optical_flow/optical_flow.adoc | books | vulkan-spec | vulkan-spec/chapters/VK_NV_optical_flow | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.286 | false | false | 25,334 | -1 |
// Copyright (c) 2024 Valve Corporation
//
// SPDX-License-Identifier: CC-BY-4.0
include::{generated}/meta/{refprefix}VK_EXT_device_generated_commands.adoc[]
=== Other Extension Metadata
*Last Modified Date*::
2024-02-23
*Interactions and External Dependencies*::
- This extension requires Vulkan 1.1
- This e... | vulkan-spec/appendices/VK_EXT_device_generated_commands.adoc | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.192 | false | false | 6,031 | -1 |
// Copyright 2018-2026 The Khronos Group Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
include::{generated}/meta/{refprefix}VK_KHR_video_encode_h264.adoc[]
=== Other Extension Metadata
*Last Modified Date*::
2023-12-05
*IP Status*::
No known IP claims.
*Contributors*::
- Ahmed Abdelkhalek, AMD
- George H... | vulkan-spec/appendices/VK_KHR_video_encode_h264.adoc | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.453 | false | false | 8,532 | -1 |
// Copyright 2025-2026 The Khronos Group Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
include::{generated}/meta/{refprefix}VK_QCOM_data_graph_model.adoc[]
=== Other Extension Metadata
*Last Modified Date*::
2025-06-24
*Interactions and External Dependencies*::
- This extension interacts with `apiext:VK_ARM_te... | vulkan-spec/appendices/VK_QCOM_data_graph_model.adoc | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.296 | false | false | 1,096 | -1 |
// Copyright 2019-2026 The Khronos Group Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
// Common Valid Usage
// Common to indirect drawing commands
:addressRange: addressRange
:addressFlags: addressFlags
include::{chapters}/commonvalidity/address_flags_common.adoc[]
* [[VUID-{refpage}-addressRange-13107]]
The bu... | vulkan-spec/chapters/commonvalidity/draw_dispatch_indirect_address_common.adoc | books | vulkan-spec | vulkan-spec/chapters/commonvalidity | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.5 | false | false | 827 | -1 |
// Copyright 2023-2026 The Khronos Group Inc.
// SPDX-License-Identifier: CC-BY-4.0
include::{generated}/meta/{refprefix}VK_KHR_maintenance6.adoc[]
=== Other Extension Metadata
*Last Modified Date*::
2023-08-03
*Interactions and External Dependencies*::
- Interacts with `apiext:VK_EXT_robustness2`
*Contribut... | vulkan-spec/appendices/VK_KHR_maintenance6.adoc | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.271 | false | false | 2,277 | -1 |
[open,refpage='VkImportAndroidHardwareBufferInfoANDROID',desc='Import memory from an Android hardware buffer',type='structs']
--
To import memory created outside of the current Vulkan instance from an
Android hardware buffer, add a
sname:VkImportAndroidHardwareBufferInfoANDROID structure to the pname:pNext
chain of the... | vulkan-spec/chapters/memory.adoc#p1 | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.215 | false | false | 148,367 | -1 |
// Copyright (c) 2019-2020 Advanced Micro Devices, Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
include::{generated}/meta/{refprefix}VK_AMD_display_native_hdr.adoc[]
=== Other Extension Metadata
*Last Modified Date*::
2018-12-18
*IP Status*::
No known IP claims.
*Contributors*::
- Matthaeus G. Chajdas, AM... | vulkan-spec/appendices/VK_AMD_display_native_hdr.adoc | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.312 | false | false | 952 | -1 |
// Copyright 2020-2026 The Khronos Group Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
include::{generated}/meta/{refprefix}VK_EXT_4444_formats.adoc[]
=== Other Extension Metadata
*Last Modified Date*::
2020-07-28
*IP Status*::
No known IP claims.
*Contributors*::
- Joshua Ashton, Valve
- Faith Ekstrand,... | vulkan-spec/appendices/VK_EXT_4444_formats.adoc | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.235 | false | false | 1,404 | -1 |
// Copyright 2020-2026 The Khronos Group Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
// Common Valid Usage
// Common to binding any memory to an image
* [[VUID-{refpage}-image-07460]]
pname:image must: not have been bound to a memory object
* [[VUID-{refpage}-image-01045]]
pname:image must: not have been... | vulkan-spec/chapters/commonvalidity/bind_image_common.adoc | books | vulkan-spec | vulkan-spec/chapters/commonvalidity | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.169 | false | false | 6,885 | -1 |
// Copyright 2019-2026 The Khronos Group Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
include::{generated}/meta/{refprefix}VK_KHR_present_id.adoc[]
=== Other Extension Metadata
*Last Modified Date*::
2019-05-15
*IP Status*::
No known IP claims.
*Contributors*::
- Keith Packard, Valve
- Ian Elliott, Goog... | vulkan-spec/appendices/VK_KHR_present_id.adoc | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.308 | false | false | 793 | -1 |
// Copyright 2018-2026 The Khronos Group Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
include::{generated}/meta/{refprefix}VK_KHR_spirv_1_4.adoc[]
=== Other Extension Metadata
*Last Modified Date*::
2019-04-01
*IP Status*::
No known IP claims.
*Interactions and External Dependencies*::
- Requires SPIR-V 1... | vulkan-spec/appendices/VK_KHR_spirv_1_4.adoc | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.128 | false | false | 4,625 | -1 |
// Copyright 2022-2026 The Khronos Group Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
include::{generated}/meta/{refprefix}VK_KHR_maintenance5.adoc[]
=== Other Extension Metadata
*Last Modified Date*::
2023-05-02
*Interactions and External Dependencies*::
*Contributors*::
- Stu Smith, AMD
- Tobias Hector,... | vulkan-spec/appendices/VK_KHR_maintenance5.adoc | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.364 | false | false | 3,736 | -1 |
// Copyright (c) 2018-2020 NVIDIA Corporation
//
// SPDX-License-Identifier: CC-BY-4.0
include::{generated}/meta/{refprefix}VK_NV_shading_rate_image.adoc[]
=== Other Extension Metadata
*Last Modified Date*::
2019-07-18
*Interactions and External Dependencies*::
- This extension provides API support for
{GL... | vulkan-spec/appendices/VK_NV_shading_rate_image.adoc | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.137 | false | false | 6,738 | -1 |
// Copyright (c) 2017-2020 Advanced Micro Devices, Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
include::{generated}/meta/{refprefix}VK_AMD_gpu_shader_int16.adoc[]
=== Other Extension Metadata
*Last Modified Date*::
2019-04-11
*IP Status*::
No known IP claims.
*Interactions and External Dependencies*::
- ... | vulkan-spec/appendices/VK_AMD_gpu_shader_int16.adoc | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.344 | false | false | 1,171 | -1 |
// Copyright 2024-2026 The Khronos Group
// SPDX-License-Identifier: CC-BY-4.0
include::{generated}/meta/{refprefix}VK_EXT_ray_tracing_invocation_reorder.adoc[]
=== Other Extension Metadata
*Last Modified Date*::
2026-04-02
*Interactions and External Dependencies*::
- This extension provides API support for
... | vulkan-spec/appendices/VK_EXT_ray_tracing_invocation_reorder.adoc | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.214 | false | false | 1,740 | -1 |
// Copyright 2021-2026 The Khronos Group Inc.
// SPDX-License-Identifier: CC-BY-4.0
[[roadmap-2022]]
== Roadmap 2022
The Roadmap 2022 milestone is intended to be supported by newer
mid-to-high-end devices shipping in 2022 or shortly thereafter across
mainstream smartphone, tablet, laptop, console, and desktop devices... | vulkan-spec/appendices/roadmap/Roadmap-2022.adoc | books | vulkan-spec | vulkan-spec/appendices/roadmap | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.281 | false | false | 8,819 | -1 |
// Copyright 2021-2026 The Khronos Group Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
// Common Valid Usage
// Common to creating objects
ifdef::VKSC_VERSION_1_0[]
* [[VUID-{refpage}-{uniqifier}-device-05089]]
The number of {combinedobjectnameplural} currently allocated from
pname:device across all slink:{c... | vulkan-spec/chapters/commonvalidity/memory_reservation_request_count_combined_common.adoc | books | vulkan-spec | vulkan-spec/chapters/commonvalidity | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.467 | false | false | 663 | -1 |
If the attachment uses a color format, then pname:loadOp and pname:storeOp
are used, and pname:stencilLoadOp and pname:stencilStoreOp are ignored.
If the format has depth and/or stencil components, pname:loadOp and
pname:storeOp apply only to the depth data, while pname:stencilLoadOp and
pname:stencilStoreOp define how... | vulkan-spec/chapters/renderpass.adoc#p1 | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.174 | false | false | 144,273 | -1 |
// Copyright (c) 2016-2020 Advanced Micro Devices, Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
include::{generated}/meta/{refprefix}VK_AMD_draw_indirect_count.adoc[]
=== Other Extension Metadata
*Last Modified Date*::
2016-08-23
*IP Status*::
No known IP claims.
*Contributors*::
- Matthaeus G. Chajdas, A... | vulkan-spec/appendices/VK_AMD_draw_indirect_count.adoc | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.323 | false | false | 1,155 | -1 |
// Copyright 2014-2026 The Khronos Group Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
include::{generated}/meta/{refprefix}VK_KHR_sampler_mirror_clamp_to_edge.adoc[]
=== Other Extension Metadata
*Last Modified Date*::
2019-08-17
*Contributors*::
- Tobias Hector, Imagination Technologies
- Jon Leech, Khronos... | vulkan-spec/appendices/VK_KHR_sampler_mirror_clamp_to_edge.adoc | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.221 | false | false | 3,081 | -1 |
// Copyright 2025-2026 The Khronos Group Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
include::{generated}/meta/{refprefix}VK_QCOM_queue_perf_hint.adoc[]
=== Other Extension Metadata
*Last Modified Date*::
2026-02-26
*IP Status*::
No known IP claims.
*Interactions and External Dependencies*::
- Interacts ... | vulkan-spec/appendices/VK_QCOM_queue_perf_hint.adoc | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.32 | false | false | 1,001 | -1 |
// Copyright (c) 2024-2025 Arm Ltd.
//
// SPDX-License-Identifier: CC-BY-4.0
include::{generated}/meta/{refprefix}VK_ARM_performance_counters_by_region.adoc[]
=== Other Extension Metadata
*Last Modified Date*::
2025-09-09
*IP Status*::
No known IP claims.
*Contributors*::
- Jan-Harald Fredriksen, Arm Ltd.
... | vulkan-spec/appendices/VK_ARM_performance_counters_by_region.adoc | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.196 | false | false | 1,895 | -1 |
// Copyright 2024-2026 The Khronos Group Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
include::{generated}/meta/{refprefix}VK_NV_shader_atomic_float16_vector.adoc[]
=== Other Extension Metadata
*Last Modified Date*::
2024-02-03
*IP Status*::
No known IP claims.
*Interactions and External Dependencies*::
-... | vulkan-spec/appendices/VK_NV_shader_atomic_float16_vector.adoc | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.37 | false | false | 1,033 | -1 |
// Copyright 2020-2026 The Khronos Group Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
include::{generated}/meta/{refprefix}VK_EXT_ycbcr_2plane_444_formats.adoc[]
=== Other Extension Metadata
*Last Modified Date*::
2020-07-28
*IP Status*::
No known IP claims.
*Contributors*::
- Piers Daniell, NVIDIA
- Pi... | vulkan-spec/appendices/VK_EXT_ycbcr_2plane_444_formats.adoc | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.286 | false | false | 1,084 | -1 |
// Copyright 2021-2026 The Khronos Group Inc.
// SPDX-License-Identifier: CC-BY-4.0
include::{generated}/meta/{refprefix}VK_KHR_shader_subgroup_rotate.adoc[]
*Last Modified Date*::
2024-01-29
*IP Status*::
No known IP claims.
*Contributors*::
- Kévin Petit, Arm Ltd.
- Tobias Hector, AMD
- Jon Leech, Khr... | vulkan-spec/appendices/VK_KHR_shader_subgroup_rotate.adoc | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.312 | false | false | 1,222 | -1 |
// Copyright 2022-2026 The Khronos Group Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
include::{generated}/meta/{refprefix}VK_EXT_opacity_micromap.adoc[]
=== Other Extension Metadata
*Last Modified Date*::
2022-08-24
*Interactions and External Dependencies*::
- This extension provides API support for
{GLS... | vulkan-spec/appendices/VK_EXT_opacity_micromap.adoc | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.234 | false | false | 6,912 | -1 |
// Copyright 2025-2026 The Khronos Group Inc.
// SPDX-License-Identifier: CC-BY-4.0
include::{generated}/meta/{refprefix}VK_ARM_format_pack.adoc[]
=== Other Extension Metadata
*Last Modified Date*::
2025-03-24
*Interactions and External Dependencies*::
*Contributors*::
- Jan-Harald Fredriksen, Arm
- Lisa W... | vulkan-spec/appendices/VK_ARM_format_pack.adoc | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.25 | false | false | 1,669 | -1 |
// Copyright 2017-2026 The Khronos Group Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
include::{generated}/meta/{refprefix}VK_EXT_scalar_block_layout.adoc[]
=== Other Extension Metadata
*Last Modified Date*::
2018-11-14
*Contributors*::
- Jeff Bolz
- Jan-Harald Fredriksen
- Graeme Leese
- Faith Ekstrand... | vulkan-spec/appendices/VK_EXT_scalar_block_layout.adoc | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.206 | false | false | 1,334 | -1 |
// Copyright 2023-2026 The Khronos Group Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
// Common Valid Usage
// Common to vk*Copy* commands that have image as source and/or destination and
// require the image to be single sampled.
// This relies on an additional attribute {imageparam} set by the command
// which incl... | vulkan-spec/chapters/commonvalidity/copy_anyimage_to_imageany_single_sampled_common.adoc | books | vulkan-spec | vulkan-spec/chapters/commonvalidity | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.846 | false | false | 550 | -1 |
// Copyright 2024-2026 The Khronos Group Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
include::{generated}/meta/{refprefix}VK_KHR_video_encode_feedback2.adoc[]
=== Other Extension Metadata
*Last Modified Date*::
2026-02-04
*IP Status*::
No known IP claims.
*Contributors*::
- Sreerenj Balachandran, Amazon
... | vulkan-spec/appendices/VK_KHR_video_encode_feedback2.adoc | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.286 | false | false | 1,014 | -1 |
// Copyright 2021-2026 The Khronos Group Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
include::{generated}/meta/{refprefix}VK_FUCHSIA_buffer_collection.adoc[]
=== Other Extension Metadata
*Last Modified Date*::
2021-09-23
*IP Status*::
No known IP claims.
*Contributors*::
- Craig Stout, Google
- John Ba... | vulkan-spec/appendices/VK_FUCHSIA_buffer_collection.adoc | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.224 | false | false | 2,177 | -1 |
// Copyright 2017-2026 The Khronos Group Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
include::{generated}/meta/{refprefix}VK_KHR_shader_abort.adoc[]
=== Other Extension Metadata
*Last Modified Date*::
2026-03-18
*IP Status*::
No known IP claims.
*Contributors*::
- Tobias Hector, AMD
- Piers Daniell, Nv... | vulkan-spec/appendices/VK_KHR_shader_abort.adoc | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.348 | false | false | 668 | -1 |
// Copyright (c) 2018-2020 Google LLC
//
// SPDX-License-Identifier: CC-BY-4.0
include::{generated}/meta/{refprefix}VK_GOOGLE_hlsl_functionality1.adoc[]
=== Other Extension Metadata
*Last Modified Date*::
2018-07-09
*IP Status*::
No known IP claims.
*Contributors*::
- Hai Nguyen, Google
- Neil Henning, A... | vulkan-spec/appendices/VK_GOOGLE_hlsl_functionality1.adoc | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.421 | false | false | 627 | -1 |
// Copyright 2015-2026 The Khronos Group Inc.
// Copyright (c) 2018-2020 NVIDIA Corporation
// SPDX-License-Identifier: CC-BY-4.0
[[devsandqueues]]
= Devices and Queues
Once Vulkan is initialized, devices and queues are the primary objects used
to interact with a Vulkan implementation.
[open,refpage='VkPhysicalDevic... | vulkan-spec/chapters/devsandqueues.adoc#p0 | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.225 | false | false | 148,676 | -1 |
// Copyright 2021-2026 The Khronos Group Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
include::{generated}/meta/{refprefix}VK_EXT_multi_draw.adoc[]
=== Other Extension Metadata
*Last Modified Date*::
2021-05-19
*Interactions and External Dependencies*::
- Interacts with Vulkan 1.1.
- Interacts with `apiext:... | vulkan-spec/appendices/VK_EXT_multi_draw.adoc | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.278 | false | false | 1,405 | -1 |
None of these implementation limitations will have an effect on application
behavior from the perspective of correctness, but they may negatively impact
the encoding efficiency.
====
endif::VK_KHR_video_encode_intra_refresh[]
[[encode-rate-control]]
== Video Encode Rate Control
The size of the encoded bitstream data... | vulkan-spec/chapters/video/encode.adoc#p1 | books | vulkan-spec | vulkan-spec/chapters/video | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.18 | false | false | 60,815 | -1 |
// Copyright 2014-2026 The Khronos Group Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
include::{generated}/meta/{refprefix}VK_AMD_gpa_interface.adoc[]
=== Other Extension Metadata
*Last Modified Date*::
2026-05-01
*IP Status*::
No known IP claims.
*Contributors*::
- Stu Smith, AMD
- Tobias Hector, AMD
... | vulkan-spec/appendices/VK_AMD_gpa_interface.adoc | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.348 | false | false | 750 | -1 |
// Copyright 2020-2026 The Khronos Group Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
include::{generated}/meta/{refprefix}VK_EXT_mutable_descriptor_type.adoc[]
=== Other Extension Metadata
*Last Modified Date*::
2022-08-22
*IP Status*::
No known IP claims.
*Contributors*::
- Joshua Ashton, Valve
- Hans... | vulkan-spec/appendices/VK_EXT_mutable_descriptor_type.adoc | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.235 | false | false | 1,618 | -1 |
// Copyright 2018-2026 The Khronos Group Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
include::{generated}/meta/{refprefix}VK_EXT_metal_surface.adoc[]
=== Other Extension Metadata
*Last Modified Date*::
2018-10-01
*IP Status*::
No known IP claims.
*Contributors*::
- Dzmitry Malyshau, Mozilla Corp.
=== De... | vulkan-spec/appendices/VK_EXT_metal_surface.adoc | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.4 | false | false | 751 | -1 |
// Copyright 2019-2026 The Khronos Group Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
// Common Valid Usage
// Common to drawing commands that consume vertex binding state
* [[VUID-{refpage}-None-04007]]
All vertex input bindings accessed via vertex input variables declared
in the vertex shader entry point'... | vulkan-spec/chapters/commonvalidity/draw_vertex_binding.adoc | books | vulkan-spec | vulkan-spec/chapters/commonvalidity | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.096 | false | false | 18,258 | -1 |
// Copyright 2020-2026 The Khronos Group Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
[[private-data]]
= Private Data
The private data extension provides a way for users to associate arbitrary
application-defined data with Vulkan objects.
This association is accomplished by storing 64-bit unsigned integers of
applic... | vulkan-spec/chapters/private_data.adoc | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.268 | false | false | 10,528 | -1 |
// Copyright 2018-2026 The Khronos Group Inc.
// SPDX-License-Identifier: CC-BY-4.0
include::{generated}/meta/{refprefix}VK_EXT_image_drm_format_modifier.adoc[]
=== Other Extension Metadata
*Last Modified Date*::
2021-09-30
*IP Status*::
No known IP claims.
*Contributors*::
- Antoine Labour, Google
- Bas... | vulkan-spec/appendices/VK_EXT_image_drm_format_modifier.adoc | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.074 | false | false | 19,501 | -1 |
// Copyright 2018-2026 The Khronos Group Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
include::{generated}/meta/{refprefix}VK_EXT_acquire_drm_display.adoc[]
=== Other Extension Metadata
*Last Modified Date*::
2021-06-09
*IP Status*::
No known IP claims.
*Contributors*::
- Simon Zeni, Status Holdings, Ltd.... | vulkan-spec/appendices/VK_EXT_acquire_drm_display.adoc | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.364 | false | false | 775 | -1 |
// Copyright 2020-2026 The Khronos Group Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
// Common Valid Usage
// Common to VkPipelineStageFlags2 parameters
// Set "stageMaskName" attribute to the name of the stage mask to validate
* [[VUID-{refpage}-{stageMaskName}-03929]]
If the <<features-geometryShader, pname:... | vulkan-spec/chapters/commonvalidity/stage_mask_2_common.adoc | books | vulkan-spec | vulkan-spec/chapters/commonvalidity | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.2 | false | false | 6,250 | -1 |
// Copyright 2017-2026 The Khronos Group Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
include::{generated}/meta/{refprefix}VK_KHR_shader_fma.adoc[]
=== Other Extension Metadata
*Last Modified Date*::
2025-06-10
*Contributors*::
- Graeme Leese, Broadcom
=== Description
This extension allows applications to u... | vulkan-spec/appendices/VK_KHR_shader_fma.adoc | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.25 | false | false | 1,226 | -1 |
// Copyright 2022-2026 The Khronos Group Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
include::{generated}/meta/{refprefix}VK_EXT_pipeline_robustness.adoc[]
=== Other Extension Metadata
*Last Modified Date*::
2022-07-12
*Interactions and External Dependencies*::
- Interacts with `apiext:VK_EXT_robustness2`
... | vulkan-spec/appendices/VK_EXT_pipeline_robustness.adoc | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.222 | false | false | 1,437 | -1 |
// Copyright 2015-2026 The Khronos Group Inc.
// SPDX-License-Identifier: CC-BY-4.0
[[sparsememory]]
= Sparse Resources
As documented in <<resources-association,Resource Memory Association>>,
sname:VkBuffer and sname:VkImage resources in Vulkan must: be bound
completely and contiguously to a single sname:VkDeviceMemo... | vulkan-spec/chapters/sparsemem.adoc | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.19 | false | false | 88,415 | -1 |
// Copyright 2021-2026 The Khronos Group Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
include::{generated}/meta/{refprefix}VK_EXT_shader_64bit_indexing.adoc[]
=== Other Extension Metadata
*Last Modified Date*::
2025-05-02
*Interactions and External Dependencies*::
- This extension provides API support for
... | vulkan-spec/appendices/VK_EXT_shader_64bit_indexing.adoc | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.333 | false | false | 956 | -1 |
// Copyright 2018-2026 The Khronos Group Inc.
// SPDX-License-Identifier: CC-BY-4.0
include::{generated}/meta/{refprefix}VK_EXT_tooling_info.adoc[]
=== Other Extension Metadata
*Last Modified Date*::
2018-11-05
*Contributors*::
- Rolando Caloca
- Matthaeus Chajdas
- Baldur Karlsson
- Daniel Rakos
=== De... | vulkan-spec/appendices/VK_EXT_tooling_info.adoc | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.086 | false | false | 3,134 | -1 |
// Copyright 2019-2026 The Khronos Group Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
include::{generated}/meta/{refprefix}VK_KHR_line_rasterization.adoc[]
=== Other Extension Metadata
*Last Modified Date*::
2023-06-08
*IP Status*::
No known IP claims.
*Contributors*::
- Jeff Bolz, NVIDIA
- Allen Jensen... | vulkan-spec/appendices/VK_KHR_line_rasterization.adoc | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.237 | false | false | 1,599 | -1 |
// Copyright 2019-2026 The Khronos Group Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
include::{generated}/meta/{refprefix}VK_NV_low_latency2.adoc[]
=== Other Extension Metadata
*Last Modified Date*::
2026-08-12
*Contributors*::
- Charles Hansen, NVIDIA
- Liam Middlebrook, NVIDIA
- Lionel Duc, NVIDIA
- ... | vulkan-spec/appendices/VK_NV_low_latency2.adoc | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.224 | false | false | 2,214 | -1 |
// Copyright 2023-2026 The Khronos Group Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
// Common Valid Usage
// Common to query results commands
// Set "flags" to the query result flags parameter
* [[VUID-{refpage}-queryCount-09438]]
If pname:queryCount is greater than 1, pname:stride must: not be zero
* [[VU... | vulkan-spec/chapters/commonvalidity/query_results_common.adoc | books | vulkan-spec | vulkan-spec/chapters/commonvalidity | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.288 | false | false | 2,510 | -1 |
// Copyright 2016-2026 The Khronos Group Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
include::{generated}/meta/{refprefix}VK_KHR_maintenance3.adoc[]
=== Other Extension Metadata
*Last Modified Date*::
2017-09-05
*Contributors*::
- Jeff Bolz, NVIDIA
=== Description
`VK_KHR_maintenance3` adds a collection of... | vulkan-spec/appendices/VK_KHR_maintenance3.adoc | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.286 | false | false | 1,204 | -1 |
// Copyright (c) 2023 Qualcomm Technologies, Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
include::{generated}/meta/{refprefix}VK_QCOM_image_processing2.adoc[]
=== Other Extension Metadata
*Last Modified Date*::
2023-03-10
*Interactions and External Dependencies*::
- This extension provides API support for
... | vulkan-spec/appendices/VK_QCOM_image_processing2.adoc | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.165 | false | false | 5,386 | -1 |
// Copyright 2019-2026 The Khronos Group Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
// Common Valid Usage
// Common to indirect drawing commands with a pname:drawCount parameter
* [[VUID-{refpage}-drawCount-02718]]
If the <<features-multiDrawIndirect, pname:multiDrawIndirect>> feature
is not enabled, pnam... | vulkan-spec/chapters/commonvalidity/draw_indirect_drawcount.adoc | books | vulkan-spec | vulkan-spec/chapters/commonvalidity | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.667 | false | false | 525 | -1 |
// Copyright 2019-2026 The Khronos Group Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
// Common Valid Usage
// Common to trace rays indirect commands
* [[VUID-{refpage}-indirectDeviceAddress-03633]]
pname:indirectDeviceAddress must: be a device address allocated to the
application from a buffer created wit... | vulkan-spec/chapters/commonvalidity/trace_rays_indirect_common.adoc | books | vulkan-spec | vulkan-spec/chapters/commonvalidity | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.44 | false | false | 1,308 | -1 |
// Copyright 2021-2026 The Khronos Group Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
include::{generated}/meta/{refprefix}VK_EXT_rgba10x6_formats.adoc[]
=== Other Extension Metadata
*Last Modified Date*::
2021-09-29
*IP Status*::
No known IP claims.
*Contributors*::
- Jan-Harald Fredriksen, Arm
- Graem... | vulkan-spec/appendices/VK_EXT_rgba10x6_formats.adoc | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.286 | false | false | 1,492 | -1 |
// Copyright 2015-2026 The Khronos Group Inc.
// SPDX-License-Identifier: CC-BY-4.0
[[introduction]]
= Introduction
This document, referred to as the
ifdef::VKSC_VERSION_1_0["`Vulkan SC Specification`", ]
"`Vulkan Specification`" or just the "`Specification`" hereafter, describes
the Vulkan
ifdef::VKSC_VERSION_1_0[SC... | vulkan-spec/chapters/introduction.adoc | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.028 | false | false | 15,959 | -1 |
// Copyright (c) 2025 Huawei Technologies Co. Ltd.
//
// SPDX-License-Identifier: CC-BY-4.0
include::{generated}/meta/{refprefix}VK_OHOS_surface.adoc[]
=== Other Extension Metadata
*Last Modified Date*::
2025-05-16
*IP Status*::
No known IP claims.
*Contributors*::
- Weilan Chen, Huawei
- Zehui Lin, Huaw... | vulkan-spec/appendices/VK_OHOS_surface.adoc | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.308 | false | false | 945 | -1 |
// Copyright 2014-2026 The Khronos Group Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
include::{generated}/meta/{refprefix}VK_KHR_win32_surface.adoc[]
=== Other Extension Metadata
*Last Modified Date*::
2017-04-24
*IP Status*::
No known IP claims.
*Contributors*::
- Patrick Doane, Blizzard
- Faith Ekstr... | vulkan-spec/appendices/VK_KHR_win32_surface.adoc | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.273 | false | false | 4,645 | -1 |
// Copyright 2024-2026 The Khronos Group Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
include::{generated}/meta/{refprefix}VK_EXT_shader_float8.adoc[]
=== Other Extension Metadata
*Last Modified Date*::
2025-04-16
*IP Status*::
No known IP claims.
*Contributors*::
- Kévin Petit, Arm Ltd.
- Stu Smith, AM... | vulkan-spec/appendices/VK_EXT_shader_float8.adoc | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.333 | false | false | 1,174 | -1 |
// Copyright 2025-2026 The Khronos Group Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
include::{generated}/meta/{refprefix}VK_EXT_zero_initialize_device_memory.adoc[]
=== Other Extension Metadata
*Last Modified Date*::
2025-04-09
*Interactions and External Dependencies*::
- Interacts with Vulkan 1.1.
- Inte... | vulkan-spec/appendices/VK_EXT_zero_initialize_device_memory.adoc | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.268 | false | false | 1,808 | -1 |
// Copyright 2016-2026 The Khronos Group Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
include::{generated}/meta/{refprefix}VK_KHR_external_memory_capabilities.adoc[]
=== Other Extension Metadata
*Last Modified Date*::
2016-10-17
*IP Status*::
No known IP claims.
*Interactions and External Dependencies*::
... | vulkan-spec/appendices/VK_KHR_external_memory_capabilities.adoc | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.11 | false | false | 4,024 | -1 |
// Copyright (c) 2024 Huawei Technologies Co. Ltd.
//
// SPDX-License-Identifier: CC-BY-4.0
include::{generated}/meta/{refprefix}VK_HUAWEI_hdr_vivid.adoc[]
=== Other Extension Metadata
*Last Modified Date*::
2024-10-08
*IP Status*::
No known IP claims.
*Contributors*::
- Juntao Li, Huawei
- Pan Gao, Huaw... | vulkan-spec/appendices/VK_HUAWEI_hdr_vivid.adoc | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.32 | false | false | 869 | -1 |
// Copyright 2023-2026 The Khronos Group Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
// Common Valid Usage
// Common to all compute and execution graph create infos
ifdef::VK_KHR_ray_tracing_pipeline[]
* [[VUID-{refpage}-flags-03365]]
pname:flags must: not include
ename:VK_PIPELINE_CREATE_RAY_TRACING_NO_NU... | vulkan-spec/chapters/commonvalidity/compute_graph_pipeline_create_info_common.adoc | books | vulkan-spec | vulkan-spec/chapters/commonvalidity | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.283 | false | false | 2,745 | -1 |
// Copyright 2015-2026 The Khronos Group Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
[[clears]]
= Clear Commands
ifdef::VK_COMPUTE_VERSION_1_0[]
[[clears-outside]]
== Clearing Images Outside a Render Pass Instance
Color and depth/stencil images can: be cleared outside a render pass
instance using flink:vkCmdClearC... | vulkan-spec/chapters/clears.adoc | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.244 | false | false | 37,721 | -1 |
// Copyright 2019-2026 The Khronos Group Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
// Common Valid Usage
// Common to VkImageMemoryBarrier* structs
// This relies on the following additional attributes set by the command which
// includes this file:
//
// - {imagelayoutnotignored}, a text that specifies when the ... | vulkan-spec/chapters/commonvalidity/image_memory_barrier_common.adoc | books | vulkan-spec | vulkan-spec/chapters/commonvalidity | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.304 | false | false | 1,976 | -1 |
// Copyright 2020-2026 The Khronos Group Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
// Common Valid Usage
// Common to VkImageResolve* struct
* [[VUID-{refpage}-layerCount-08803]]
ifdef::VK_BASE_VERSION_1_4,VK_KHR_maintenance5[]
If neither of the pname:layerCount members of pname:srcSubresource or
pname:d... | vulkan-spec/chapters/commonvalidity/image_resolve_common.adoc | books | vulkan-spec | vulkan-spec/chapters/commonvalidity | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.364 | false | false | 1,062 | -1 |
// Copyright 2019-2026 The Khronos Group Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
include::{generated}/meta/{refprefix}VK_EXT_vertex_input_dynamic_state.adoc[]
=== Other Extension Metadata
*Last Modified Date*::
2020-08-21
*IP Status*::
No known IP claims.
*Contributors*::
- Jeff Bolz, NVIDIA
- Spen... | vulkan-spec/appendices/VK_EXT_vertex_input_dynamic_state.adoc | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.367 | false | false | 1,238 | -1 |
// Copyright 2021-2026 The Khronos Group Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
include::{generated}/meta/{refprefix}VK_ARM_rasterization_order_attachment_access.adoc[]
=== Other Extension Metadata
*Last Modified Date*::
2026-01-16
*IP Status*::
No known IP claims.
*Contributors*::
* Tobias Hector, ... | vulkan-spec/appendices/VK_ARM_rasterization_order_attachment_access.adoc | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.333 | false | false | 1,351 | -1 |
// Copyright 2015-2026 The Khronos Group Inc.
// SPDX-License-Identifier: CC-BY-4.0
[[synchronization]]
= Synchronization and Cache Control
Synchronization of access to resources is primarily the responsibility of
the application in Vulkan.
The order of execution of commands with respect to the host and other
command... | vulkan-spec/chapters/synchronization.adoc#p0 | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.166 | false | false | 149,950 | -1 |
// Copyright 2016-2026 The Khronos Group Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
include::{generated}/meta/{refprefix}VK_KHR_copy_commands2.adoc[]
=== Other Extension Metadata
*Last Modified Date*::
2020-07-06
*Contributors*::
- Jeff Leger, Qualcomm
- Tobias Hector, AMD
- Jan-Harald Fredriksen, ARM
... | vulkan-spec/appendices/VK_KHR_copy_commands2.adoc | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.189 | false | false | 1,588 | -1 |
// Copyright 2019-2026 The Khronos Group Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
// Common Valid Usage
// Common to acceleration structure build commands
* [[VUID-{refpage}-pInfos-10126]]
For each pname:pInfos[i], pname:dstAccelerationStructure must: have been
created with a value of
slink:VkAccele... | vulkan-spec/chapters/commonvalidity/build_acceleration_structure_nonindirect_common.adoc | books | vulkan-spec | vulkan-spec/chapters/commonvalidity | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.45 | false | false | 995 | -1 |
// Copyright 2022-2026 The Khronos Group Inc.
// SPDX-License-Identifier: CC-BY-4.0
include::{generated}/meta/{refprefix}VK_EXT_map_memory_placed.adoc[]
=== Other Extension Metadata
*Last Modified Date*::
2023-03-21
*IP Status*::
No known IP claims.
*Interactions and External Dependencies*::
- Depends on a... | vulkan-spec/appendices/VK_EXT_map_memory_placed.adoc | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.333 | false | false | 862 | -1 |
// Copyright 2016-2026 The Khronos Group Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
include::{generated}/meta/{refprefix}VK_EXT_debug_marker.adoc[]
=== Other Extension Metadata
*Last Modified Date*::
2017-01-31
*IP Status*::
No known IP claims.
*Contributors*::
- Baldur Karlsson
- Dan Ginsburg, Valve
... | vulkan-spec/appendices/VK_EXT_debug_marker.adoc | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.302 | false | false | 6,513 | -1 |
// Copyright 2017-2026 The Khronos Group Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
include::{generated}/meta/{refprefix}VK_EXT_shader_viewport_index_layer.adoc[]
=== Other Extension Metadata
*Last Modified Date*::
2017-08-08
*Interactions and External Dependencies*::
- This extension provides API support f... | vulkan-spec/appendices/VK_EXT_shader_viewport_index_layer.adoc | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.157 | false | false | 3,315 | -1 |
// Copyright 2015-2026 The Khronos Group Inc.
// SPDX-License-Identifier: CC-BY-4.0
[[formats]]
= Formats
Supported buffer and image formats may: vary across implementations.
A minimum set of format features are guaranteed, but others must: be
explicitly queried before use to ensure they are supported by the
implemen... | vulkan-spec/chapters/formats.adoc#p0 | books | vulkan-spec | vulkan-spec | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.158 | false | false | 149,963 | -1 |
// Copyright 2019-2026 The Khronos Group Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
// Common Valid Usage
// common to CreateRayTracingPipelines
* [[VUID-{refpage}-device-09677]]
pname:device must: support at least one queue family with the
ename:VK_QUEUE_COMPUTE_BIT capability
ifndef::VKSC_VERSION_1_0[]
... | vulkan-spec/chapters/commonvalidity/create_ray_tracing_pipelines_common.adoc | books | vulkan-spec | vulkan-spec/chapters/commonvalidity | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.324 | false | false | 1,641 | -1 |
// Copyright 2019-2026 The Khronos Group Inc.
//
// SPDX-License-Identifier: CC-BY-4.0
// Common Valid Usage
// Common to all drawing commands that have a firstInstance parameter. For
// indirect commands, these VUs pertain to VkDrawIndirectCommand.
ifdef::VK_GRAPHICS_VERSION_1_4,VK_KHR_vertex_attribute_divisor[]
... | vulkan-spec/chapters/commonvalidity/draw_instance_common.adoc | books | vulkan-spec | vulkan-spec/chapters/commonvalidity | CC-BY-4.0 | CC-BY-4.0 | b94f8bd2d004d2949469d8a5071ee10eb7d23566 | doc | false | 0.281 | false | false | 1,682 | -1 |
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