From 223fe8331f014fb1274f7651f7b253ad803c8828 Mon Sep 17 00:00:00 2001
From: Nico de Poel <ndepoel@gmail.com>
Date: Tue, 19 Aug 2025 10:52:17 +0200
Subject: [PATCH] Auto-sync from SVN revision 64696

---
 .../Tests/Runtime/VolumeComponents.meta       |  8 ---
 .../UnifiedRayTracing/Common/TerrainToMesh.cs | 53 +++----------------
 2 files changed, 7 insertions(+), 54 deletions(-)
 delete mode 100644 Packages/com.unity.render-pipelines.core/Tests/Runtime/VolumeComponents.meta

diff --git a/Packages/com.unity.render-pipelines.core/Tests/Runtime/VolumeComponents.meta b/Packages/com.unity.render-pipelines.core/Tests/Runtime/VolumeComponents.meta
deleted file mode 100644
index d8224e70..00000000
--- a/Packages/com.unity.render-pipelines.core/Tests/Runtime/VolumeComponents.meta
+++ /dev/null
@@ -1,8 +0,0 @@
-fileFormatVersion: 2
-guid: b0b931e9e8088714d9ca21864da41d03
-folderAsset: yes
-DefaultImporter:
-  externalObjects: {}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 
diff --git a/Packages/com.unity.rendering.light-transport/Runtime/UnifiedRayTracing/Common/TerrainToMesh.cs b/Packages/com.unity.rendering.light-transport/Runtime/UnifiedRayTracing/Common/TerrainToMesh.cs
index ea69502c..32e150e3 100644
--- a/Packages/com.unity.rendering.light-transport/Runtime/UnifiedRayTracing/Common/TerrainToMesh.cs
+++ b/Packages/com.unity.rendering.light-transport/Runtime/UnifiedRayTracing/Common/TerrainToMesh.cs
@@ -10,54 +10,15 @@ namespace UnityEngine.Rendering.UnifiedRayTracing
     {
         static private AsyncTerrainToMeshRequest MakeAsyncTerrainToMeshRequest(int width, int height, Vector3 heightmapScale, float[,] heightmap, bool[,] holes)
         {
-			int vertexCount = width * height;
+            int vertexCount = width * height;
             var job = new ComputeTerrainMeshJob();
+            job.heightmap = new NativeArray<float>(vertexCount, Allocator.Persistent);
+            for (int i = 0; i < vertexCount; ++i)
+                job.heightmap[i] = heightmap[i / (width), i % (width)];
 
-			//WW1MOD This crashes when baking 4k terrains, as it tries to allocate a *2GB* Buffer!.. which is fine *here* but when it gets uploaded to GPU, it goes crashy or error, depending on dx-API/Driver
-			//Note heightmap size is always pow2+1
-			//the "else" part is the original code
-			if (height == 4097)
-			{
-				const int halfSize = 2049;
-				int _vertexCount = halfSize * halfSize;
-
-				Debug.Log("Downsizing Terrain heightmap mesh output to 2k to prevent crashes");
-				
-				job.heightmap = new NativeArray<float>(_vertexCount, Allocator.Persistent);
-				for (int i = 0; i < _vertexCount; ++i)
-				{
-					float h0 = heightmap[((i*2)+0) / (width), ((i*2)+0) % (width)];
-					float h1 = heightmap[((i*2)+1) / (width), ((i*2)+0) % (width)];
-					float h2 = heightmap[((i*2)+0) / (width), ((i*2)+1) % (width)];
-					float h3 = heightmap[((i*2)+1) / (width), ((i*2)+1) % (width)];
-
-					job.heightmap[i] = (h0 + h1 + h2 + h3) / 4f;
-				}
-
-				job.holes = new NativeArray<bool>((halfSize - 1) * (halfSize - 1), Allocator.Persistent);
-				for (int i = 0; i < (halfSize - 1) * (halfSize - 1); ++i)
-				{
-					bool h0 = holes[((i*2)+0) / (width - 1), ((i*2)+0) % (width - 1)];
-					bool h1 = holes[((i*2)+1) / (width - 1), ((i*2)+0) % (width - 1)];
-					bool h2 = holes[((i*2)+0) / (width - 1), ((i*2)+1) % (width - 1)];
-					bool h3 = holes[((i*2)+1) / (width - 1), ((i*2)+1) % (width - 1)];
-
-					job.holes[i] = h0 || h1 || h2 || h3;
-				}
-
-				height = width = halfSize;
-				vertexCount = _vertexCount;
-			}
-			else
-			{
-				job.heightmap = new NativeArray<float>(vertexCount, Allocator.Persistent);
-				for (int i = 0; i < vertexCount; ++i)
-					job.heightmap[i] = heightmap[i / (width), i % (width)];
-
-				job.holes = new NativeArray<bool>((width - 1) * (height - 1), Allocator.Persistent);
-				for (int i = 0; i < (width - 1) * (height - 1); ++i)
-					job.holes[i] = holes[i / (width - 1), i % (width - 1)];
-			}
+            job.holes = new NativeArray<bool>((width - 1) * (height - 1), Allocator.Persistent);
+            for (int i = 0; i < (width - 1) * (height - 1); ++i)
+                job.holes[i] = holes[i / (width - 1), i % (width - 1)];
 
             job.width = width;
             job.height = height;