Added ResetHistory for Screen-space Reflections

Author: gokselgoktas

PostProcessing/Runtime/Effects/ScreenSpaceReflections.cs

@@ -30,7 +30,7 @@ public enum Resolution
 
         [Tooltip("Choose a quality preset, or use \"Custom\" to fine tune it. Don't use a preset higher than \"Medium\" if you care about performances on consoles.")]
         public Preset preset = Preset.Medium;
-        
+
         [Range(0, 256), Tooltip("Maximum iteration count.")]
         public int maximumIterationCount;
 
@@ -72,6 +72,8 @@ class QualityPreset
         RenderTexture m_History;
         int[] m_MipIDs;
 
+        bool m_ResetHistory = true;
+
         enum Pass
         {
             Test,
@@ -146,6 +148,12 @@ internal void Render(PostProcessRenderContext context)
             CheckRT(ref m_Resolve, size, size, context.sourceFormat, FilterMode.Trilinear, true);
             CheckRT(ref m_History, size, size, context.sourceFormat, FilterMode.Bilinear, false);
 
+            if (m_ResetHistory)
+            {
+                context.command.BlitFullscreenTriangle(context.source, m_History);
+                m_ResetHistory = false;
+            }
+
             var noiseTex = context.resources.blueNoise256[0];
             var sheet = context.propertySheets.Get(context.resources.shaders.screenSpaceReflections);
             sheet.properties.SetTexture(ShaderIDs.Noise, noiseTex);
@@ -211,7 +219,7 @@ internal void Render(PostProcessRenderContext context)
 
             for (int i = 0; i < lodCount; i++)
                 cmd.ReleaseTemporaryRT(m_MipIDs[i]);
-            
+
             sheet.properties.SetTexture(ShaderIDs.Resolve, m_Resolve);
             cmd.BlitFullscreenTriangle(context.source, context.destination, sheet, (int)Pass.Composite);
             cmd.EndSample("Screen-space Reflections");
@@ -226,5 +234,10 @@ internal void Release()
             m_Resolve = null;
             m_History = null;
         }
+
+        internal void ResetHistory()
+        {
+            m_ResetHistory = true;
+        }
     }
 }

PostProcessing/Runtime/PostProcessLayer.cs

@@ -139,7 +139,7 @@ void OnEnable()
         public void Init(PostProcessResources resources)
         {
             if (resources != null) m_Resources = resources;
-            
+
             RuntimeUtilities.CreateIfNull(ref monitors);
             RuntimeUtilities.CreateIfNull(ref ambientOcclusion);
             RuntimeUtilities.CreateIfNull(ref screenSpaceReflections);
@@ -281,7 +281,7 @@ void OnPreCull()
             context.Reset();
             context.camera = m_Camera;
             context.sourceFormat = sourceFormat;
-            
+
             m_LegacyCmdBufferBeforeReflections.Clear();
             m_LegacyCmdBufferBeforeLighting.Clear();
             m_LegacyCmdBufferOpaque.Clear();
@@ -389,14 +389,14 @@ void OnPreCull()
         }
 
         void OnPostRender()
-         {
-             // Unused in scriptable render pipelines
-             if (RuntimeUtilities.scriptableRenderPipelineActive)
-                 return;
- 
-             if (m_CurrentContext.IsTemporalAntialiasingActive())
-                 m_Camera.ResetProjectionMatrix();
-         }
+        {
+            // Unused in scriptable render pipelines
+            if (RuntimeUtilities.scriptableRenderPipelineActive)
+                return;
+
+            if (m_CurrentContext.IsTemporalAntialiasingActive())
+                m_Camera.ResetProjectionMatrix();
+        }
 
         PostProcessBundle GetBundle<T>()
             where T : PostProcessEffectSettings
@@ -467,6 +467,7 @@ public void ResetHistory()
                 bundle.Value.ResetHistory();
 
             temporalAntialiasing.ResetHistory();
+            screenSpaceReflections.ResetHistory();
         }
 
         public bool HasOpaqueOnlyEffects(PostProcessRenderContext context)