using UnityEditor.Graphing; namespace UnityEditor.ShaderGraph { interface IMayRequireCameraOpaqueTexture { bool RequiresCameraOpaqueTexture(ShaderStageCapability stageCapability = ShaderStageCapability.All); } static class MayRequireCameraOpaqueTextureExtensions { public static bool RequiresCameraOpaqueTexture(this MaterialSlot slot) { var mayRequireCameraOpaqueTexture = slot as IMayRequireCameraOpaqueTexture; return mayRequireCameraOpaqueTexture != null && mayRequireCameraOpaqueTexture.RequiresCameraOpaqueTexture(); } } }