Added focus plane debug view

Author: Chman

PostProcessing/Resources/Shaders/Uber.shader

@@ -42,6 +42,7 @@ Shader "Hidden/Post FX/Uber Shader"
         // Depth of field
         sampler2D _DepthOfFieldTex;
         float4 _DepthOfFieldTex_TexelSize;
+        float _MaxCoC;
 
         // Bloom
         sampler2D _BloomTex;
@@ -185,6 +186,28 @@ Shader "Hidden/Post FX/Uber Shader"
                 // Composite
                 color = color * acc.a + acc.rgb * autoExposure;
             }
+            #elif DEPTH_OF_FIELD_COC_VIEW
+            {
+                // CoC radius
+                half4 src = tex2D(_DepthOfFieldTex, uv);
+                half coc = src.a / _MaxCoC;
+
+                // Visualize CoC (blue -> red -> green)
+                half3 rgb = lerp(half3(1.0, 0.0, 0.0), half3(0.8, 0.8, 1.0), max(0.0, -coc));
+                rgb = lerp(rgb, half3(0.8, 1.0, 0.8), max(0.0, coc));
+
+                // Black and white image overlay
+                rgb *= dot(src.rgb, 0.5 / 3.0) + 0.5;
+
+                // Gamma correction
+                #if !UNITY_COLORSPACE_GAMMA
+                {
+                    rgb = GammaToLinearSpace(rgb);
+                }
+                #endif
+
+                color = rgb;
+            }
             #endif
 
             // HDR Bloom

PostProcessing/Runtime/Components/DepthOfFieldComponent.cs

@@ -2,6 +2,8 @@
 
 namespace UnityEngine.PostProcessing
 {
+    using DebugMode = BuiltinDebugViewsModel.Mode;
+
     public sealed class DepthOfFieldComponent : PostProcessingComponentRenderTexture<DepthOfFieldModel>
     {
         static class Uniforms
@@ -124,13 +126,23 @@ public void Prepare(RenderTexture source, Material uberMaterial, bool antialiasC
             // Pass #3 - Bokeh simulation
             Graphics.Blit(pass, rt2, material, 1 + (int)settings.kernelSize);
 
-            context.renderTextureFactory.Release(rt1);
-
             if (antialiasCoC)
                 context.renderTextureFactory.Release(pass);
 
-            uberMaterial.SetTexture(Uniforms._DepthOfFieldTex, rt2);
-            uberMaterial.EnableKeyword("DEPTH_OF_FIELD");
+            if (context.profile.debugViews.IsModeActive(DebugMode.FocusPlane))
+            {
+                uberMaterial.SetTexture(Uniforms._DepthOfFieldTex, rt1);
+                uberMaterial.SetFloat(Uniforms._MaxCoC, maxCoC);
+                uberMaterial.EnableKeyword("DEPTH_OF_FIELD_COC_VIEW");
+                context.Interrupt();
+            }
+            else
+            {
+                uberMaterial.SetTexture(Uniforms._DepthOfFieldTex, rt2);
+                uberMaterial.EnableKeyword("DEPTH_OF_FIELD");
+            }
+
+            context.renderTextureFactory.Release(rt1);
         }
 
         public override void OnDisable()

PostProcessing/Runtime/Models/BuiltinDebugViewsModel.cs

@@ -73,7 +73,7 @@ public enum Mode
 
             AmbientOcclusion,
             EyeAdaptation,
-            FocusPlane, // TODO: Implement focus plane debugging
+            FocusPlane,
             PreGradingLog,
             LogLut,
             UserLut