+init

1 files changed, 35 insertions, 0 deletions

diff --git a/UnityEngine.PostProcessing/UserLutComponent.cs b/UnityEngine.PostProcessing/UserLutComponent.cs
new file mode 100644
index 0000000..51f291a
--- /dev/null
+++ b/UnityEngine.PostProcessing/UserLutComponent.cs
@@ -0,0 +1,35 @@
+namespace UnityEngine.PostProcessing;
+
+public sealed class UserLutComponent : PostProcessingComponentRenderTexture<UserLutModel>
+{
+	private static class Uniforms
+	{
+		internal static readonly int _UserLut = Shader.PropertyToID("_UserLut");
+
+		internal static readonly int _UserLut_Params = Shader.PropertyToID("_UserLut_Params");
+	}
+
+	public override bool active
+	{
+		get
+		{
+			UserLutModel.Settings settings = base.model.settings;
+			return base.model.enabled && settings.lut != null && settings.contribution > 0f && settings.lut.height == (int)Mathf.Sqrt(settings.lut.width) && !context.interrupted;
+		}
+	}
+
+	public override void Prepare(Material uberMaterial)
+	{
+		UserLutModel.Settings settings = base.model.settings;
+		uberMaterial.EnableKeyword("USER_LUT");
+		uberMaterial.SetTexture(Uniforms._UserLut, settings.lut);
+		uberMaterial.SetVector(Uniforms._UserLut_Params, new Vector4(1f / (float)settings.lut.width, 1f / (float)settings.lut.height, (float)settings.lut.height - 1f, settings.contribution));
+	}
+
+	public void OnGUI()
+	{
+		UserLutModel.Settings settings = base.model.settings;
+		Rect position = new Rect(context.viewport.x * (float)Screen.width + 8f, 8f, settings.lut.width, settings.lut.height);
+		GUI.DrawTexture(position, settings.lut);
+	}
+}