# vkGetPipelineIndirectMemoryRequirementsNV(3) Manual Page

## Name

vkGetPipelineIndirectMemoryRequirementsNV - Get the memory requirements for the compute indirect pipeline

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## C Specification

To determine the memory requirements for a compute pipeline’s metadata, call:

    // Provided by VK_NV_device_generated_commands_compute
    void vkGetPipelineIndirectMemoryRequirementsNV(
        VkDevice                                    device,
        const VkComputePipelineCreateInfo*          pCreateInfo,
        VkMemoryRequirements2*                      pMemoryRequirements);

## Parameters

- `device` is the logical device that owns the buffer.

- `pCreateInfo` is a VkComputePipelineCreateInfo structure specifying the creation parameters of the compute pipeline whose memory requirements are being queried.

- `pMemoryRequirements` is a pointer to a VkMemoryRequirements2 structure in which the requested pipeline’s memory requirements are returned.

## Description

If `pCreateInfo->pNext` chain includes a pointer to a VkComputePipelineIndirectBufferInfoNV structure, then the contents of that structure are ignored.

Valid Usage

- VUID-vkGetPipelineIndirectMemoryRequirementsNV-deviceGeneratedComputePipelines-09082
  The `VkPhysicalDeviceDeviceGeneratedCommandsComputeFeaturesNV`::`deviceGeneratedComputePipelines` feature must be enabled

- VUID-vkGetPipelineIndirectMemoryRequirementsNV-pCreateInfo-09083
  `pCreateInfo->flags` must include `VK_PIPELINE_CREATE_INDIRECT_BINDABLE_BIT_NV`

Valid Usage (Implicit)

- VUID-vkGetPipelineIndirectMemoryRequirementsNV-device-parameter
  `device` must be a valid VkDevice handle

- VUID-vkGetPipelineIndirectMemoryRequirementsNV-pCreateInfo-parameter
  `pCreateInfo` must be a valid pointer to a valid VkComputePipelineCreateInfo structure

- VUID-vkGetPipelineIndirectMemoryRequirementsNV-pMemoryRequirements-parameter
  `pMemoryRequirements` must be a valid pointer to a VkMemoryRequirements2 structure

## See Also

VK_NV_device_generated_commands_compute, VkComputePipelineCreateInfo, VkDevice, VkMemoryRequirements2

## 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 2014-2024 The Khronos Group Inc.

SPDX-License-Identifier: CC-BY-4.0