fix crashes, temp disable reflection caching, possibly reduce optimization in some areas, likely break 1.5

Source/PerformanceFish/Rendering/TextureAtlasPatches.cs

@@ -0,0 +1,50 @@
+// Copyright (c) 2023 bradson
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this
+// file, You can obtain one at https://mozilla.org/MPL/2.0/.
+
+namespace PerformanceFish.Rendering;
+
+public sealed class TextureAtlasPatches : ClassWithFishPatches
+{
+	public sealed class StaticTextureAtlas_ApplyTextureCompression : FishPatch
+	{
+		public override string? Description { get; }
+			= "Routes texture atlas compression through the GPU path when compute shaders are available, "
+			+ "regardless of the VRAM threshold check in UnityData.ComputeShadersSupported. Prevents native "
+			+ "crashes in debug Mono builds.";
+
+		public override MethodBase TargetMethodInfo
+			=> AccessTools.DeclaredMethod(typeof(StaticTextureAtlas), "ApplyTextureCompression");
+
+		public static bool Prefix(StaticTextureAtlas __instance, bool noGpuCompressionSupport)
+		{
+			if (!noGpuCompressionSupport || !SystemInfo.supportsComputeShaders)
+				return true;
+
+			if (__instance.ColorTexture != null)
+			{
+				var name = __instance.ColorTexture.name;
+				var compressed = StaticTextureAtlas.FastCompressDXT(__instance.ColorTexture, deleteOriginal: true);
+				compressed.name = name;
+				_colorTextureField.SetValue(__instance, compressed);
+			}
+
+			if (__instance.MaskTexture != null)
+			{
+				var name = __instance.MaskTexture.name;
+				var compressed = StaticTextureAtlas.FastCompressDXT(__instance.MaskTexture, deleteOriginal: true);
+				compressed.name = name;
+				_maskTextureField.SetValue(__instance, compressed);
+			}
+
+			return false;
+		}
+
+		private static readonly FieldInfo _colorTextureField
+			= AccessTools.DeclaredField(typeof(StaticTextureAtlas), "colorTexture");
+
+		private static readonly FieldInfo _maskTextureField
+			= AccessTools.DeclaredField(typeof(StaticTextureAtlas), "maskTexture");
+	}
+}

Source/PerformanceFish/Rendering/TextureLoadingPatches.cs

@@ -93,9 +93,9 @@ public sealed class TextureLoadingPatches : ClassWithFishPrepatches
 				var data = file.ReadAllBytes();
 				texture2D = new(2, 2, TextureFormat.Alpha8, true);
 				texture2D.LoadImage(data);
-				FixMipMapsIfNeeded(texture2D, data, file);
+				FixMipMapsIfNeeded(ref texture2D, data, file);
 			}
-			
+
 			if (!isDds && Prefs.TextureCompression)
 				texture2D.Compress(true);
 			
@@ -120,11 +120,11 @@ public sealed class TextureLoadingPatches : ClassWithFishPrepatches
 
 			var texture2D = new Texture2D(2, 2, TextureFormat.Alpha8, true);
 			texture2D.LoadImage(data);
-			FixMipMapsIfNeeded(texture2D, data, file);
+			FixMipMapsIfNeeded(ref texture2D, data, file);
 			return texture2D;
 		}
 
-		public static void FixMipMapsIfNeeded(Texture2D texture2D, byte[] data, VirtualFile file)
+		public static void FixMipMapsIfNeeded(ref Texture2D texture2D, byte[] data, VirtualFile file)
 		{
 			if (((texture2D.width & 3) == 0) & ((texture2D.height & 3) == 0))
 				return;