VkCopyImageToBufferInfo2(3)

# VkCopyImageToBufferInfo2(3) Manual Page

## Name

VkCopyImageToBufferInfo2 - Structure specifying parameters of an image to buffer copy command

## C Specification

The `VkCopyImageToBufferInfo2` structure is defined as:

    // Provided by VK_VERSION_1_3
    typedef struct VkCopyImageToBufferInfo2 {
        VkStructureType              sType;
        const void*                  pNext;
        VkImage                      srcImage;
        VkImageLayout                srcImageLayout;
        VkBuffer                     dstBuffer;
        uint32_t                     regionCount;
        const VkBufferImageCopy2*    pRegions;
    } VkCopyImageToBufferInfo2;

    // Provided by VK_KHR_copy_commands2
    // Equivalent to VkCopyImageToBufferInfo2
    typedef VkCopyImageToBufferInfo2 VkCopyImageToBufferInfo2KHR;

## Members

- `sType` is a VkStructureType value identifying this structure.

- `pNext` is `NULL` or a pointer to a structure extending this structure.

- `srcImage` is the source image.

- `srcImageLayout` is the layout of the source image subresources for the copy.

- `dstBuffer` is the destination buffer.

- `regionCount` is the number of regions to copy.

- `pRegions` is a pointer to an array of VkBufferImageCopy2 structures specifying the regions to copy.

## Description

Valid Usage

- VUID-VkCopyImageToBufferInfo2-pRegions-04566
  The image region specified by each element of `pRegions` that does not contain VkCopyCommandTransformInfoQCOM in its `pNext` chain must be contained within the specified `imageSubresource` of `srcImage`

- VUID-VkCopyImageToBufferInfo2KHR-pRegions-04557
  If the image region specified by each element of `pRegions` contains VkCopyCommandTransformInfoQCOM in its `pNext` chain, the rotated source region must be contained within `srcImage`

- VUID-VkCopyImageToBufferInfo2KHR-pRegions-04558
  If any element of `pRegions` contains VkCopyCommandTransformInfoQCOM in its `pNext` chain, then `srcImage` must have a 1x1x1 texel block extent

- VUID-VkCopyImageToBufferInfo2KHR-pRegions-06205
  If any element of `pRegions` contains VkCopyCommandTransformInfoQCOM in its `pNext` chain, then `srcImage` must be of type VK_IMAGE_TYPE_2D

- VUID-VkCopyImageToBufferInfo2KHR-pRegions-06206
  If any element of `pRegions` contains VkCopyCommandTransformInfoQCOM in its `pNext` chain, then `srcImage` must not have a multi-planar format

- VUID-VkCopyImageToBufferInfo2-pRegions-00183
  `dstBuffer` must be large enough to contain all buffer locations that are accessed according to Buffer and Image Addressing, for each element of `pRegions`

- VUID-VkCopyImageToBufferInfo2-pRegions-00184
  The union of all source regions, and the union of all destination regions, specified by the elements of `pRegions`, must not overlap in memory

- VUID-VkCopyImageToBufferInfo2-srcImage-00186
  `srcImage` must have been created with the VK_IMAGE_USAGE_TRANSFER_SRC_BIT usage flag set

- VUID-VkCopyImageToBufferInfo2-srcImage-01998
  The format features of `srcImage` must contain VK_FORMAT_FEATURE_TRANSFER_SRC_BIT

- VUID-VkCopyImageToBufferInfo2-dstBuffer-00191
  `dstBuffer` must have been created with the VK_BUFFER_USAGE_TRANSFER_DST_BIT usage flag set

- VUID-VkCopyImageToBufferInfo2-dstBuffer-00192
  If `dstBuffer` is non-sparse then it must be bound completely and contiguously to a single `VkDeviceMemory` object

- VUID-VkCopyImageToBufferInfo2-srcImageLayout-00189
  `srcImageLayout` must specify the layout of the image subresources of `srcImage` specified in `pRegions` at the time this command is executed on a `VkDevice`

- VUID-VkCopyImageToBufferInfo2-srcImageLayout-01397
  `srcImageLayout` must be VK_IMAGE_LAYOUT_SHARED_PRESENT_KHR, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL, or VK_IMAGE_LAYOUT_GENERAL

- VUID-VkCopyImageToBufferInfo2-srcImage-07966
  If `srcImage` is non-sparse then the image or each specified disjoint plane must be bound completely and contiguously to a single `VkDeviceMemory` object

- VUID-VkCopyImageToBufferInfo2-imageSubresource-07967
  The `imageSubresource.mipLevel` member of each element of `pRegions` must be less than the `mipLevels` specified in VkImageCreateInfo when `srcImage` was created

- VUID-VkCopyImageToBufferInfo2-imageSubresource-07968
  If `imageSubresource.layerCount` is not VK_REMAINING_ARRAY_LAYERS, `imageSubresource.baseArrayLayer` + `imageSubresource.layerCount` of each element of `pRegions` must be less than or equal to the `arrayLayers` specified in VkImageCreateInfo when `srcImage` was created

- VUID-VkCopyImageToBufferInfo2-srcImage-07969
  `srcImage` must not have been created with `flags` containing VK_IMAGE_CREATE_SUBSAMPLED_BIT_EXT

- VUID-VkCopyImageToBufferInfo2-srcImage-07973
  `srcImage` must have a sample count equal to VK_SAMPLE_COUNT_1_BIT

- VUID-VkCopyImageToBufferInfo2-srcImage-07979
  If `srcImage` is of type VK_IMAGE_TYPE_1D, then for each element of `pRegions`, `imageOffset.y` must be `0` and `imageExtent.height` must be `1`

- VUID-VkCopyImageToBufferInfo2-imageOffset-09104
  For each element of `pRegions`, `imageOffset.z` and (`imageExtent.depth` + `imageOffset.z`) must both be greater than or equal to `0` and less than or equal to the depth of the specified `imageSubresource` of `srcImage`

- VUID-VkCopyImageToBufferInfo2-srcImage-07980
  If `srcImage` is of type VK_IMAGE_TYPE_1D or VK_IMAGE_TYPE_2D, then for each element of `pRegions`, `imageOffset.z` must be `0` and `imageExtent.depth` must be `1`

- VUID-VkCopyImageToBufferInfo2-srcImage-07274
  For each element of `pRegions`, if VkCopyCommandTransformInfoQCOM::`transform` is equal to VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR or VK_SURFACE_TRANSFORM_ROTATE_270_BIT_KHR, `imageOffset.x` must be a multiple of the texel block extent width of the VkFormat of `srcImage`

- VUID-VkCopyImageToBufferInfo2-imageOffset-10051
  For each element of `pRegions`, if VkCopyCommandTransformInfoQCOM::`transform` is equal to VK_SURFACE_TRANSFORM_ROTATE_180_BIT_KHR or VK_SURFACE_TRANSFORM_ROTATE_90_BIT_KHR, and `imageOffset.x` does not equal the width of the subresource specified by `imageSubresource`, `imageOffset.x` must be a multiple of the texel block extent width of the VkFormat of `srcImage`

- VUID-VkCopyImageToBufferInfo2-srcImage-07275
  For each element of `pRegions`, if VkCopyCommandTransformInfoQCOM::`transform` is equal to VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR or VK_SURFACE_TRANSFORM_ROTATE_90_BIT_KHR, `imageOffset.y` must be a multiple of the texel block extent height of the VkFormat of `srcImage`

- VUID-VkCopyImageToBufferInfo2-imageOffset-10052
  For each element of `pRegions`, if VkCopyCommandTransformInfoQCOM::`transform` is equal to VK_SURFACE_TRANSFORM_ROTATE_270_BIT_KHR or VK_SURFACE_TRANSFORM_ROTATE_180_BIT_KHR, and `imageOffset.y` does not equal the height of the subresource specified by `imageSubresource`, `imageOffset.y` must be a multiple of the texel block extent height of the VkFormat of `srcImage`

- VUID-VkCopyImageToBufferInfo2-srcImage-07276
  For each element of `pRegions`, `imageOffset.z` must be a multiple of the texel block extent depth of the VkFormat of `srcImage`

- VUID-VkCopyImageToBufferInfo2-srcImage-00207
  For each element of `pRegions`, if VkCopyCommandTransformInfoQCOM::`transform` is equal to VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR, the sum of `imageOffset.x` and `extent.width` does not equal the width of the subresource specified by `imageSubresource`, `extent.width` must be a multiple of the texel block extent width of the VkFormat of `srcImage`

- VUID-VkCopyImageToBufferInfo2-imageOffset-10053
  For each element of `pRegions`, if VkCopyCommandTransformInfoQCOM::`transform` is equal to VK_SURFACE_TRANSFORM_ROTATE_90_BIT_KHR, the difference of `imageOffset.x` and `extent.height` must be a multiple of the texel block extent width of the VkFormat of `srcImage`

- VUID-VkCopyImageToBufferInfo2-imageOffset-10054
  For each element of `pRegions`, if VkCopyCommandTransformInfoQCOM::`transform` is equal to VK_SURFACE_TRANSFORM_ROTATE_180_BIT_KHR, the difference of `imageOffset.x` and `extent.width` must be a multiple of the texel block extent width of the VkFormat of `srcImage`

- VUID-VkCopyImageToBufferInfo2-imageOffset-10055
  For each element of `pRegions`, if VkCopyCommandTransformInfoQCOM::`transform` is equal to VK_SURFACE_TRANSFORM_ROTATE_270_BIT_KHR, the sum of `imageOffset.x` and `extent.height` does not equal the width of the subresource specified by `imageSubresource`, `extent.height` must be a multiple of the texel block extent width of the VkFormat of `srcImage`

- VUID-VkCopyImageToBufferInfo2-srcImage-00208
  For each element of `pRegions`, if VkCopyCommandTransformInfoQCOM::`transform` is equal to VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR, and the sum of `imageOffset.y` and `extent.height` does not equal the height of the subresource specified by `imageSubresource`, `extent.height` must be a multiple of the texel block extent height of the VkFormat of `srcImage`

- VUID-VkCopyImageToBufferInfo2-imageOffset-10056
  For each element of `pRegions`, if VkCopyCommandTransformInfoQCOM::`transform` is equal to VK_SURFACE_TRANSFORM_ROTATE_90_BIT_KHR, the sum of `imageOffset.y` and `extent.width` does not equal the height of the subresource specified by `imageSubresource`, `extent.width` must be a multiple of the texel block extent height of the VkFormat of `srcImage`

- VUID-VkCopyImageToBufferInfo2-imageOffset-10057
  For each element of `pRegions`, if VkCopyCommandTransformInfoQCOM::`transform` is equal to VK_SURFACE_TRANSFORM_ROTATE_180_BIT_KHR, the difference of `imageOffset.y` and `extent.height` must be a multiple of the texel block extent height of the VkFormat of `srcImage`

- VUID-VkCopyImageToBufferInfo2-imageOffset-10058
  For each element of `pRegions`, if VkCopyCommandTransformInfoQCOM::`transform` is equal to VK_SURFACE_TRANSFORM_ROTATE_270_BIT_KHR, the difference of `imageOffset.y` and `extent.width` must be a multiple of the texel block extent height of the VkFormat of `srcImage`

- VUID-VkCopyImageToBufferInfo2-srcImage-00209
  For each element of `pRegions`, if the sum of `imageOffset.z` and `extent.depth` does not equal the depth of the subresource specified by `srcSubresource`, `extent.depth` must be a multiple of the texel block extent depth of the VkFormat of `srcImage`

- VUID-VkCopyImageToBufferInfo2-imageSubresource-09105
  For each element of `pRegions`, `imageSubresource.aspectMask` must specify aspects present in `srcImage`

- VUID-VkCopyImageToBufferInfo2-srcImage-07981
  If `srcImage` has a multi-planar format, then for each element of `pRegions`, `imageSubresource.aspectMask` must be a single valid multi-planar aspect mask bit

- VUID-VkCopyImageToBufferInfo2-srcImage-07983
  If `srcImage` is of type VK_IMAGE_TYPE_3D, for each element of `pRegions`, `imageSubresource.baseArrayLayer` must be `0` and `imageSubresource.layerCount` must be `1`

- VUID-VkCopyImageToBufferInfo2-bufferRowLength-09106
  For each element of `pRegions`, `bufferRowLength` must be a multiple of the texel block extent width of the VkFormat of `srcImage`

- VUID-VkCopyImageToBufferInfo2-bufferImageHeight-09107
  For each element of `pRegions`, `bufferImageHeight` must be a multiple of the texel block extent height of the VkFormat of `srcImage`

- VUID-VkCopyImageToBufferInfo2-bufferRowLength-09108
  For each element of `pRegions`, `bufferRowLength` divided by the texel block extent width and then multiplied by the texel block size of `srcImage` must be less than or equal to 231-1

- VUID-VkCopyImageToBufferInfo2-srcImage-07975
  If `srcImage` does not have either a depth/stencil format or a multi-planar format, then for each element of `pRegions`, `bufferOffset` must be a multiple of the texel block size

- VUID-VkCopyImageToBufferInfo2-srcImage-07976
  If `srcImage` has a multi-planar format, then for each element of `pRegions`, `bufferOffset` must be a multiple of the element size of the compatible format for the format and the `aspectMask` of the `imageSubresource` as defined in [formats-compatible-planes]

- VUID-VkCopyImageToBufferInfo2-srcImage-07978
  If `srcImage` has a depth/stencil format, the `bufferOffset` member of any element of `pRegions` must be a multiple of `4`

- VUID-VkCopyImageToBufferInfo2-imageOffset-00197
  For each element of `pRegions` not containing `VkCopyCommandTransformInfoQCOM` in its `pNext` chain, `imageOffset.x` and (`imageExtent.width` + `imageOffset.x`) must both be greater than or equal to `0` and less than or equal to the width of the specified `imageSubresource` of `srcImage`

- VUID-VkCopyImageToBufferInfo2-imageOffset-00198
  For each element of `pRegions` not containing `VkCopyCommandTransformInfoQCOM` in its `pNext` chain, `imageOffset.y` and (`imageExtent.height` + `imageOffset.y`) must both be greater than or equal to `0` and less than or equal to the height of the specified `imageSubresource` of `srcImage`

Valid Usage (Implicit)

- VUID-VkCopyImageToBufferInfo2-sType-sType
  `sType` must be VK_STRUCTURE_TYPE_COPY_IMAGE_TO_BUFFER_INFO_2

- VUID-VkCopyImageToBufferInfo2-pNext-pNext
  `pNext` must be `NULL`

- VUID-VkCopyImageToBufferInfo2-srcImage-parameter
  `srcImage` must be a valid VkImage handle

- VUID-VkCopyImageToBufferInfo2-srcImageLayout-parameter
  `srcImageLayout` must be a valid VkImageLayout value

- VUID-VkCopyImageToBufferInfo2-dstBuffer-parameter
  `dstBuffer` must be a valid VkBuffer handle

- VUID-VkCopyImageToBufferInfo2-pRegions-parameter
  `pRegions` must be a valid pointer to an array of `regionCount` valid VkBufferImageCopy2 structures

- VUID-VkCopyImageToBufferInfo2-regionCount-arraylength
  `regionCount` must be greater than `0`

- VUID-VkCopyImageToBufferInfo2-commonparent
  Both of `dstBuffer`, and `srcImage` must have been created, allocated, or retrieved from the same VkDevice

## See Also

VK_KHR_copy_commands2, VK_VERSION_1_3, VkBuffer, VkBufferImageCopy2, VkImage, VkImageLayout, VkStructureType, vkCmdCopyImageToBuffer2, vkCmdCopyImageToBuffer2

## Document Notes

For more information, see the Vulkan Specification.

This page is extracted from the Vulkan Specification. Fixes and changes should be made to the Specification, not directly.

## Copyright

Copyright 2014-2026 The Khronos Group Inc.

SPDX-License-Identifier: CC-BY-4.0