# vkCmdCopyMemoryKHR(3) Manual Page

## Name

vkCmdCopyMemoryKHR - Copy data between memory ranges

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## C Specification

To copy data between memory ranges, call:

    // Provided by VK_KHR_device_address_commands
    void vkCmdCopyMemoryKHR(
        VkCommandBuffer                             commandBuffer,
        const VkCopyDeviceMemoryInfoKHR*            pCopyMemoryInfo);

## Parameters

- `commandBuffer` is the command buffer into which the command will be recorded.

- `pCopyMemoryInfo` a pointer to a VkCopyDeviceMemoryInfoKHR structure describing the copies to perform.

## Description

Valid Usage

- VUID-vkCmdCopyMemoryKHR-commandBuffer-13012
  If `commandBuffer` is an unprotected command buffer and `protectedNoFault` is not supported, the `srcCopyFlags` member of all elements of `pCopyMemoryInfo->pRegions` must not include VK_ADDRESS_COMMAND_PROTECTED_BIT_KHR

- VUID-vkCmdCopyMemoryKHR-commandBuffer-13013
  If `commandBuffer` is an unprotected command buffer and `protectedNoFault` is not supported, the `dstCopyFlags` member of all elements of `pCopyMemoryInfo->pRegions` must not include VK_ADDRESS_COMMAND_PROTECTED_BIT_KHR

- VUID-vkCmdCopyMemoryKHR-commandBuffer-13014
  If `commandBuffer` is a protected command buffer and `protectedNoFault` is not supported, the `dstCopyFlags` member of all elements of `pCopyMemoryInfo->pRegions` must include VK_ADDRESS_COMMAND_PROTECTED_BIT_KHR

Valid Usage (Implicit)

- VUID-vkCmdCopyMemoryKHR-commandBuffer-parameter
  `commandBuffer` must be a valid VkCommandBuffer handle

- VUID-vkCmdCopyMemoryKHR-pCopyMemoryInfo-parameter
  If `pCopyMemoryInfo` is not `NULL`, `pCopyMemoryInfo` must be a valid pointer to a valid VkCopyDeviceMemoryInfoKHR structure

- VUID-vkCmdCopyMemoryKHR-commandBuffer-recording
  `commandBuffer` must be in the recording state

- VUID-vkCmdCopyMemoryKHR-commandBuffer-cmdpool
  The `VkCommandPool` that `commandBuffer` was allocated from must support VK_QUEUE_TRANSFER_BIT operations

- VUID-vkCmdCopyMemoryKHR-renderpass
  This command must only be called outside of a render pass instance

- VUID-vkCmdCopyMemoryKHR-suspended
  This command must not be called between suspended render pass instances

- VUID-vkCmdCopyMemoryKHR-videocoding
  This command must only be called outside of a video coding scope

Host Synchronization

- Host access to `commandBuffer` must be externally synchronized

- Host access to the `VkCommandPool` that `commandBuffer` was allocated from must be externally synchronized

Command Properties

Command Buffer Levels | Render Pass Scope | Video Coding Scope | Supported Queue Types | Command Type
--- | --- | --- | --- | ---
Primary Secondary | Outside | Outside | VK_QUEUE_TRANSFER_BIT | Action

Conditional Rendering

vkCmdCopyMemoryKHR is not affected by conditional rendering

## See Also

VK_KHR_device_address_commands, VkCommandBuffer, VkCopyDeviceMemoryInfoKHR

## 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