Restored basic BC6H compression

ScriptableRenderPipeline/Core/Resources/BC6H.compute

 #include "../ShaderLibrary/BC6H.hlsl"
 
 Texture2D<float4> _Source;
-RWTexture2D<float4> _Target;
+RWTexture2D<uint4> _Target;
 
 #pragma kernel KEncodeFast
 [numthreads(4, 4, 1)]
 
     EncodeMode11(block, blockMSLE, texels);
 
-    _Target[dispatchThreadId] = float4(0, 0, 0, 0);
-}
-
-#pragma kernel KCopy
-[numthreads(1, 1, 1)]
-void KCopy(uint2 groupId : SV_GroupID, uint2 groupThreadId : SV_GroupThreadID, uint2 dispatchThreadId : SV_DispatchThreadID)
-{
-    _Target[dispatchThreadId] = _Source.Load(uint3(dispatchThreadId, 0));
+    _Target[dispatchThreadId] = block;
 }

Tests/TextureCompressionTests/Editor/BC6HTests.cs

 
         target.Release();
     }
-
-    // Test texture copy
-    [Test]
-    public void TextureCopy()
-    {
-        var shader = AssetDatabase.LoadAssetAtPath<ComputeShader>("Assets/ScriptableRenderPipeline/ScriptableRenderPipeline/Core/Resources/BC6H.compute");
-        var sourceTexture = AssetDatabase.LoadAssetAtPath<Texture2D>("Assets/ScriptableRenderPipeline/Tests/TextureCompressionTests/Editor/Resources/graffiti_shelter_1k.hdr");
-
-        var k = shader.FindKernel("KCopy");
-        var target = new RenderTexture(sourceTexture.width, sourceTexture.height, 0, RenderTextureFormat.ARGBFloat, RenderTextureReadWrite.Linear);
-        target.Release();
-        target.enableRandomWrite = true;
-        target.Create();
-        var targetT2D = new Texture2D(sourceTexture.width, sourceTexture.height, TextureFormat.RGBAFloat, false, true);
-        shader.SetTexture(k, "_Source", sourceTexture);
-        shader.SetTexture(k, "_Target", target);
-        shader.Dispatch(k, targetT2D.width, targetT2D.height, 1);
-        Graphics.CopyTexture(target, targetT2D);
-
-        var targetFile = "Assets/ScriptableRenderPipeline/Tests/TextureCompressionTests/Editor/Resources/graffiti_shelter_1k_bc6h.hdr";
-
-        var bytes = targetT2D.GetRawTextureData();
-        File.WriteAllBytes(targetFile, bytes);
-        target.Release();
-    }
 }