<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/126648>126648</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            [HLSL] Update Root Signature Spec to support version 1.2
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
      </td>
    </tr>

    <tr>
      <th>Assignees</th>
      <td>
      </td>
    </tr>

    <tr>
      <th>Reporter</th>
      <td>
          joaosaffran
      </td>
    </tr>
</table>

<pre>
    Root Signature version 1.2 is currently not defined in HLSL Root Signature spec. This needs to be updated and be consistent to [DX12 docs](https://microsoft.github.io/DirectX-Specs/d3d/VulkanOn12.html#static-samplers).

AC:
- [ ] Root Signature spec has specified how to handle with static-samples flags, both in the frontend and backend.
</pre>
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