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;

or the equivalent

// Provided by VK_KHR_copy_commands2
typedef VkCopyImageToBufferInfo2 VkCopyImageToBufferInfo2KHR;

Members

  • sType is the type of 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-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 VK_IMAGE_USAGE_TRANSFER_SRC_BIT usage flag

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

  • VUID-VkCopyImageToBufferInfo2-srcImage-00187
    If srcImage is non-sparse then it must be bound completely and contiguously to a single VkDeviceMemory object

  • VUID-VkCopyImageToBufferInfo2-dstBuffer-00191
    dstBuffer must have been created with VK_BUFFER_USAGE_TRANSFER_DST_BIT usage flag

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

  • VUID-VkCopyImageToBufferInfo2-srcImage-00188
    srcImage must have a sample count equal to VK_SAMPLE_COUNT_1_BIT

  • 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_TRANSFER_SRC_OPTIMAL, VK_IMAGE_LAYOUT_GENERAL, or VK_IMAGE_LAYOUT_SHARED_PRESENT_KHR

  • VUID-VkCopyImageToBufferInfo2-imageSubresource-01703
    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-01704
    The 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-imageOffset-01794
    The imageOffset and imageExtent members of each element of pRegions must respect the image transfer granularity requirements of commandBuffer’s command pool’s queue family, as described in VkQueueFamilyProperties

  • VUID-VkCopyImageToBufferInfo2-srcImage-02544
    srcImage must not have been created with flags containing VK_IMAGE_CREATE_SUBSAMPLED_BIT_EXT

  • 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

  • VUID-VkCopyImageToBufferInfo2-bufferOffset-01558
    If srcImage does not have either a depth/stencil or a multi-planar format, then for each element of pRegions, bufferOffset must be a multiple of the format’s texel block size

  • VUID-VkCopyImageToBufferInfo2-bufferOffset-01559
    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-00199
    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-00200
    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-00201
    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-bufferRowLength-00203
    If srcImage is a blocked image, for each element of pRegions, bufferRowLength must be a multiple of the compressed texel block width

  • VUID-VkCopyImageToBufferInfo2-bufferImageHeight-00204
    If srcImage is a blocked image, for each element of pRegions, bufferImageHeight must be a multiple of the compressed texel block height

  • VUID-VkCopyImageToBufferInfo2-imageOffset-00205
    If srcImage is a blocked image, for each element of pRegions, all members of imageOffset must be a multiple of the corresponding dimensions of the compressed texel block

  • VUID-VkCopyImageToBufferInfo2-bufferOffset-00206
    If srcImage is a blocked image, for each element of pRegions, bufferOffset must be a multiple of the compressed texel block size in bytes

  • VUID-VkCopyImageToBufferInfo2-imageExtent-00207
    If srcImage is a blocked image, for each element of pRegions, imageExtent.width must be a multiple of the compressed texel block width or (imageExtent.width + imageOffset.x) must equal the width of the specified imageSubresource of srcImage

  • VUID-VkCopyImageToBufferInfo2-imageExtent-00208
    If srcImage is a blocked image, for each element of pRegions, imageExtent.height must be a multiple of the compressed texel block height or (imageExtent.height + imageOffset.y) must equal the height of the specified imageSubresource of srcImage

  • VUID-VkCopyImageToBufferInfo2-imageExtent-00209
    If srcImage is a blocked image, for each element of pRegions, imageExtent.depth must be a multiple of the compressed texel block depth or (imageExtent.depth + imageOffset.z) must equal the depth of the specified imageSubresource of srcImage

  • VUID-VkCopyImageToBufferInfo2-aspectMask-00211
    For each element of pRegions, imageSubresource.aspectMask must specify aspects present in srcImage

  • VUID-VkCopyImageToBufferInfo2-aspectMask-01560
    If srcImage has a multi-planar format, then for each element of pRegions, imageSubresource.aspectMask must be VK_IMAGE_ASPECT_PLANE_0_BIT, VK_IMAGE_ASPECT_PLANE_1_BIT, or VK_IMAGE_ASPECT_PLANE_2_BIT (with VK_IMAGE_ASPECT_PLANE_2_BIT valid only for image formats with three planes)

  • VUID-VkCopyImageToBufferInfo2-baseArrayLayer-00213
    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-pRegions-04725
    If srcImage is not a blocked image, for each element of pRegions, bufferRowLength multiplied by the texel block size of srcImage must be less than or equal to 231-1

  • VUID-VkCopyImageToBufferInfo2-pRegions-04726
    If srcImage is a blocked image, for each element of pRegions, bufferRowLength divided by the compressed texel block width and then multiplied by the texel block size of srcImage must be less than or equal to 231-1

  • VUID-VkCopyImageToBufferInfo2-commandBuffer-04052
    If the queue family used to create the VkCommandPool which commandBuffer was allocated from does not support VK_QUEUE_GRAPHICS_BIT or VK_QUEUE_COMPUTE_BIT, the bufferOffset member of any element of pRegions must be a multiple of 4

  • VUID-VkCopyImageToBufferInfo2-srcImage-04053
    If srcImage has a depth/stencil format, the bufferOffset member of any element of pRegions must be a multiple of 4

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, vkCmdCopyImageToBuffer2KHR

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 2014-2022 The Khronos Group Inc.

SPDX-License-Identifier: CC-BY-4.0