# VkIndirectCommandsInputModeFlagBitsEXT(3) Manual Page

## Name

VkIndirectCommandsInputModeFlagBitsEXT - Bitmask specifying allowed usage of an indirect commands layout

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## C Specification

Bits which are set in VkIndirectCommandsIndexBufferTokenEXT::`mode`, specifying how an index buffer is used, are:

    // Provided by VK_EXT_device_generated_commands
    typedef enum VkIndirectCommandsInputModeFlagBitsEXT {
        VK_INDIRECT_COMMANDS_INPUT_MODE_VULKAN_INDEX_BUFFER_EXT = 0x00000001,
        VK_INDIRECT_COMMANDS_INPUT_MODE_DXGI_INDEX_BUFFER_EXT = 0x00000002,
    } VkIndirectCommandsInputModeFlagBitsEXT;

## Description

- `VK_INDIRECT_COMMANDS_INPUT_MODE_VULKAN_INDEX_BUFFER_EXT` specifies that the indirect buffer contains VkBindIndexBufferIndirectCommandEXT.

- `VK_INDIRECT_COMMANDS_INPUT_MODE_DXGI_INDEX_BUFFER_EXT` specifies that the indirect buffer contains `D3D12_INDEX_BUFFER_VIEW`.

## See Also

VK_EXT_device_generated_commands, VkIndirectCommandsIndexBufferTokenEXT, VkIndirectCommandsInputModeFlagsEXT

## 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 2014-2025 The Khronos Group Inc.

SPDX-License-Identifier: CC-BY-4.0