Hard wire attenuation to its default value

Author: gokselgoktas

PostProcessing/Editor/Effects/ScreenSpaceReflectionsEditor.cs

@@ -12,7 +12,6 @@ public sealed class ScreenSpaceReflectionsEditor : PostProcessEffectEditor<Scree
         SerializedParameterOverride m_Resolution;
         SerializedParameterOverride m_MaximumMarchDistance;
         SerializedParameterOverride m_DistanceFade;
-        SerializedParameterOverride m_Attenuation;
         SerializedParameterOverride m_Vignette;
 
         public override void OnEnable()
@@ -23,7 +22,6 @@ public override void OnEnable()
             m_Resolution = FindParameterOverride(x => x.resolution);
             m_MaximumMarchDistance = FindParameterOverride(x => x.maximumMarchDistance);
             m_DistanceFade = FindParameterOverride(x => x.distanceFade);
-            m_Attenuation = FindParameterOverride(x => x.attenuation);
             m_Vignette = FindParameterOverride(x => x.vignette);
         }
 
@@ -54,7 +52,6 @@ public override void OnInspectorGUI()
 
             PropertyField(m_MaximumMarchDistance);
             PropertyField(m_DistanceFade);
-            PropertyField(m_Attenuation);
             PropertyField(m_Vignette);
         }
     }

PostProcessing/Runtime/Effects/ScreenSpaceReflections.cs

@@ -43,10 +43,7 @@ public sealed class ScreenSpaceReflections : PostProcessEffectSettings
         [Range(0f, 1f), Tooltip("Fades reflections close to the near planes.")]
         public FloatParameter distanceFade = new FloatParameter { value = 0.5f };
 
-        [Range(0f, 1f), Tooltip("Fades reflections close to the screen borders.")]
-        public FloatParameter attenuation = new FloatParameter { value = 0.25f };
-
-        [Range(0f, 1f), Tooltip("Fades reflections close to the screen-edges.")]
+        [Range(0f, 1f), Tooltip("Fades reflections close to the screen edges.")]
         public FloatParameter vignette = new FloatParameter { value = 0.5f };
 
         public override bool IsEnabledAndSupported(PostProcessRenderContext context)
@@ -164,9 +161,8 @@ public override void Render(PostProcessRenderContext context)
             sheet.properties.SetMatrix(ShaderIDs.InverseViewMatrix, context.camera.worldToCameraMatrix.inverse);
             sheet.properties.SetMatrix(ShaderIDs.InverseProjectionMatrix, projectionMatrix.inverse);
             sheet.properties.SetMatrix(ShaderIDs.ScreenSpaceProjectionMatrix, screenSpaceProjectionMatrix);
-            sheet.properties.SetVector(ShaderIDs.Params, new Vector4(settings.attenuation.value, settings.distanceFade.value, settings.maximumMarchDistance.value, lodCount));
+            sheet.properties.SetVector(ShaderIDs.Params, new Vector4((float)settings.vignette.value, settings.distanceFade.value, settings.maximumMarchDistance.value, lodCount));
             sheet.properties.SetVector(ShaderIDs.Params2, new Vector4((float)context.width / (float)context.height, (float)size / (float)noiseTex.width, settings.thickness.value, settings.maximumIterationCount.value));
-            sheet.properties.SetVector(ShaderIDs.Params3, new Vector4((float)settings.vignette.value, 0.25f, 0f, 0f));
 
             cmd.GetTemporaryRT(ShaderIDs.Test, size, size, 0, FilterMode.Point, context.sourceFormat);
             cmd.BlitFullscreenTriangle(context.source, ShaderIDs.Test, sheet, (int)Pass.Test);

PostProcessing/Runtime/Utils/ShaderIDs.cs

@@ -49,7 +49,6 @@ static class ShaderIDs
         internal static readonly int InverseProjectionMatrix         = Shader.PropertyToID("_InverseProjectionMatrix");
         internal static readonly int ScreenSpaceProjectionMatrix     = Shader.PropertyToID("_ScreenSpaceProjectionMatrix");
         internal static readonly int Params2                         = Shader.PropertyToID("_Params2");
-        internal static readonly int Params3                         = Shader.PropertyToID("_Params3");
 
         internal static readonly int FogColor                        = Shader.PropertyToID("_FogColor");
         internal static readonly int FogParams                       = Shader.PropertyToID("_FogParams");

PostProcessing/Shaders/Builtins/ScreenSpaceReflections.hlsl

@@ -9,7 +9,7 @@
 #define SSR_MINIMUM_ATTENUATION 0.275
 #define SSR_ATTENUATION_SCALE (1.0 - SSR_MINIMUM_ATTENUATION)
 
-#define SSR_VIGNETTE_INTENSITY _Params3.x
+#define SSR_VIGNETTE_INTENSITY _VignetteIntensity
 #define SSR_VIGNETTE_SMOOTHNESS 5.
 
 #define SSR_COLOR_NEIGHBORHOOD_SAMPLE_SPREAD 1.0
@@ -73,10 +73,10 @@ float4x4 _InverseViewMatrix;
 float4x4 _InverseProjectionMatrix;
 float4x4 _ScreenSpaceProjectionMatrix;
 
-float4 _Params; // x: attenuation, y: distance fade, z: maximum march distance, w: blur pyramid lod count
+float4 _Params; // x: vignette intensity, y: distance fade, z: maximum march distance, w: blur pyramid lod count
 float4 _Params2; // x: aspect ratio, y: noise tiling, z: thickness, w: maximum iteration count
-float4 _Params3; // x: vignette intensity, y: vignette smoothness
-#define _Attenuation _Params.x
+#define _Attenuation .25
+#define _VignetteIntensity _Params.x
 #define _DistanceFade _Params.y
 #define _MaximumMarchDistance _Params.z
 #define _BlurPyramidLODCount _Params.w