ScriptableRenderPipeline/com.unity.render-pipelines.core/CoreRP/Textures/DepthBits.cs

namespace UnityEngine.Experimental.Rendering
{
    public enum DepthBits
    {
        None = 0,
        Depth8 = 8,
        Depth16 = 16,
        Depth24 = 24,
        Depth32 = 32
    }
}