maint: added htrace ssgi

Assets/Plugins/HTraceSSGI/Scripts/Passes/Shared/HBlueNoise.cs

@@ -0,0 +1,63 @@
+using UnityEngine;
+using UnityEngine.Rendering;
+
+namespace HTraceSSGI.Scripts.Passes.Shared
+{
+	internal static class HBlueNoise
+	{
+		internal static readonly int g_OwenScrambledTexture = Shader.PropertyToID("g_OwenScrambledTexture");
+		internal static readonly int g_ScramblingTileXSPP   = Shader.PropertyToID("g_ScramblingTileXSPP");
+		internal static readonly int g_RankingTileXSPP      = Shader.PropertyToID("g_RankingTileXSPP");
+		internal static readonly int g_ScramblingTexture    = Shader.PropertyToID("g_ScramblingTexture");
+		
+		private static Texture2D _owenScrambledTexture;
+		public static Texture2D OwenScrambledTexture
+		{
+			get
+			{
+				if (_owenScrambledTexture == null)
+					_owenScrambledTexture = UnityEngine.Resources.Load<Texture2D>("HTraceSSGI/BlueNoise/OwenScrambledNoise256");
+				return _owenScrambledTexture;
+			}
+		}
+		
+		private static Texture2D _scramblingTileXSPP;
+		public static Texture2D ScramblingTileXSPP
+		{
+			get
+			{
+				if (_scramblingTileXSPP == null)
+					_scramblingTileXSPP = UnityEngine.Resources.Load<Texture2D>("HTraceSSGI/BlueNoise/ScramblingTile8SPP");
+				return _scramblingTileXSPP;
+			}
+		}
+		private static Texture2D _rankingTileXSPP;
+		public static Texture2D RankingTileXSPP
+		{
+			get
+			{
+				if (_rankingTileXSPP == null)
+					_rankingTileXSPP = UnityEngine.Resources.Load<Texture2D>("HTraceSSGI/BlueNoise/RankingTile8SPP");
+				return _rankingTileXSPP;
+			}
+		}
+		private static Texture2D _scramblingTexture;
+		public static Texture2D ScramblingTexture
+		{
+			get
+			{
+				if (_scramblingTexture == null)
+					_scramblingTexture = UnityEngine.Resources.Load<Texture2D>("HTraceSSGI/BlueNoise/ScrambleNoise");
+				return _scramblingTexture;
+			}
+		}
+
+		public static void SetTextures(CommandBuffer cmdList)
+		{
+			cmdList.SetGlobalTexture(g_OwenScrambledTexture, OwenScrambledTexture);
+			cmdList.SetGlobalTexture(g_ScramblingTileXSPP,   ScramblingTileXSPP);
+			cmdList.SetGlobalTexture(g_RankingTileXSPP,      RankingTileXSPP);
+			cmdList.SetGlobalTexture(g_ScramblingTexture,    ScramblingTexture);
+		}
+	}
+}