(wip) distortion

SampleScenes/HDTest/GraphicTest/Common/CustomTexture/Mat_DistortionMap_2DNoise.mat

     - _Anisotropy: 0
     - _BlendMode: 0
     - _BlurAmplitude: 1
-    - _BlurMaxAmplitude: 0
-    - _BlurMinAmplitude: 0.088
+    - _BlurMaxAmplitude: 0.405
+    - _BlurMinAmplitude: 0
     - _CoatCoverage: 1
     - _CoatIOR: 0.5
     - _CullMode: 2
     - _DetailSmoothnessScale: 1
     - _DistorsionAmplitude: 116.5
-    - _DistortionAmplitude: 50
+    - _DistortionAmplitude: 48.2
     - _DistortionDepthTest: 0
     - _DistortionEnable: 0
     - _DistortionOnly: 0
     - _InitialBend: 1
     - _MaterialID: 1
     - _Metallic: 0
-    - _NoiseAmplitude: 0.492
-    - _NoiseLacunarity: 9.02
+    - _NoiseAmplitude: 0.766
+    - _NoiseLacunarity: 2.18
     - _NormalMapSpace: 0
     - _NormalScale: 1
     - _PPDLodThreshold: 5
     - _RefractionMode: 0
     - _ShiverDirectionality: 0.5
     - _ShiverDrag: 0.2
-    - _Size: 6.67
+    - _Size: 4.86
     - _Smoothness: 1
     - _SmoothnessRemapMax: 1
     - _SmoothnessRemapMin: 0

SampleScenes/HDTest/GraphicTest/Common/CustomTexture/Mat_DistortionMap_Ripple.mat

     - _DetailNormalScale: 1
     - _DetailSmoothnessScale: 1
     - _DistorsionAmplitude: 52
-    - _DistortionAmplitude: 28.5
+    - _DistortionAmplitude: 15.9
     - _DistortionDepthTest: 0
     - _DistortionEnable: 0
     - _DistortionOnly: 0
     - _RefractionMode: 0
     - _ShiverDirectionality: 0.5
     - _ShiverDrag: 0.2
-    - _Size: 41
+    - _Size: 56.4
     - _Smoothness: 1
     - _SmoothnessRemapMax: 1
     - _SmoothnessRemapMin: 0

ScriptableRenderPipeline/HDRenderPipeline/RenderPipelineResources/ApplyDistorsion.compute

     DecodeDistortion(encodedDistorsion, distorsion, distorsionBlur);
 
     float2 distordedUV = (float2(dispatchThreadId) + distorsion) * _Size.zw;
-    float mip = (_GaussianPyramidColorMipSize.w - 1) * clamp(distorsionBlur.x, 0.0, 1.0);
+    float mip = (_GaussianPyramidColorMipSize.z - 1) * clamp(distorsionBlur.x, 0.0, 1.0);
     float4 sampled = _GaussianPyramidColorTexture.SampleLevel(sampler_GaussianPyramidColorTexture, distordedUV, mip);
 
     float2 uv = float2(dispatchThreadId) * _Size.zw;
-    if (depth < distordedDepth)
+    //if (depth < distordedDepth)
         _CameraColorTexture[dispatchThreadId] = sampled;
 }