Unity - Scripting API: Rendering.RayTracingShader.SetKeyword

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Parameters

Parameter	Description
keyword	The LocalKeyword keyword to enable or disable.
value	The desired keyword state.

Description

Sets the state of a local shader keyword for this ray tracing shader.

using UnityEngine;
using UnityEngine.Rendering;public class Example : MonoBehaviour
{
    public RayTracingShader rayTracingShader;
    void Start()
    {
        // Get all the local keywords that affect the RayTracingShader
        var keywordSpace = rayTracingShader.keywordSpace;
        // Iterate over the local keywords
        foreach (var localKeyword in keywordSpace.keywords)
        {
            // Get the current state of the local keyword
            bool state = rayTracingShader.IsKeywordEnabled(localKeyword);
            // Toggle the state
            rayTracingShader.SetKeyword(localKeyword, !state);
        }
    }
}