VkPipelineRasterizationStateStreamCreateInfoEXT(3)

# VkPipelineRasterizationStateStreamCreateInfoEXT(3) Manual Page

## Name

VkPipelineRasterizationStateStreamCreateInfoEXT - Structure defining the geometry stream used for rasterization

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## C Specification

The vertex stream used for rasterization is specified by adding a `VkPipelineRasterizationStateStreamCreateInfoEXT` structure to the `pNext` chain of a VkPipelineRasterizationStateCreateInfo structure.

The `VkPipelineRasterizationStateStreamCreateInfoEXT` structure is defined as:

    // Provided by VK_EXT_transform_feedback
    typedef struct VkPipelineRasterizationStateStreamCreateInfoEXT {
        VkStructureType                                     sType;
        const void*                                         pNext;
        VkPipelineRasterizationStateStreamCreateFlagsEXT    flags;
        uint32_t                                            rasterizationStream;
    } VkPipelineRasterizationStateStreamCreateInfoEXT;

## Members

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

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

- `flags` is reserved for future use.

- `rasterizationStream` is the vertex stream selected for rasterization.

## Description

If this structure is not present, `rasterizationStream` is assumed to be zero.

Valid Usage

- VUID-VkPipelineRasterizationStateStreamCreateInfoEXT-geometryStreams-02324
  `VkPhysicalDeviceTransformFeedbackFeaturesEXT`::`geometryStreams` must be enabled

- VUID-VkPipelineRasterizationStateStreamCreateInfoEXT-rasterizationStream-02325
  `rasterizationStream` must be less than VkPhysicalDeviceTransformFeedbackPropertiesEXT::`maxTransformFeedbackStreams`

- VUID-VkPipelineRasterizationStateStreamCreateInfoEXT-rasterizationStream-02326
  `rasterizationStream` must be zero if `VkPhysicalDeviceTransformFeedbackPropertiesEXT`::`transformFeedbackRasterizationStreamSelect` is `VK_FALSE`

Valid Usage (Implicit)

- VUID-VkPipelineRasterizationStateStreamCreateInfoEXT-sType-sType
  `sType` must be `VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_STREAM_CREATE_INFO_EXT`

- VUID-VkPipelineRasterizationStateStreamCreateInfoEXT-flags-zerobitmask
  `flags` must be `0`

## See Also

VK_EXT_transform_feedback, VkPipelineRasterizationStateStreamCreateFlagsEXT, VkStructureType

## 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