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<!-- markdownlint-disable MD041 -->
<!-- Copyright 2020-2024 LunarG, Inc. -->
[![Khronos Vulkan][1]][2]
[1]: https://vulkan.lunarg.com/img/Vulkan_100px_Dec16.png "https://www.khronos.org/vulkan/"
[2]: https://www.khronos.org/vulkan/
# VK_KHR_portability_subset Validation
## Requirements
Either
- The [VK_LAYER_KHRONOS_profiles](https://github.com/KhronosGroup/Vulkan-Profiles) layer with portability enabled _or_
- A driver that supports `VK_KHR_portability_subset`.
## Running the portability tests
All tests can be tested with `--gtest_filter=VkPortability*`
The [./tests README](../tests/README.md) explains how to use the `VK_LAYER_KHRONOS_profiles` to test the Validation Layers
**NOTE** that for portability tests to make sure `VK_KHR_portability_subset` is exposed from the `VVL Test Driver`
```bash
export VK_KHRONOS_PROFILES_EMULATE_PORTABILITY=false
```
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