Fixed DX9 build errors with depth of field; depth of field is now SM3.5+ only

Author: Chman

PostProcessing/Editor/Effects/DepthOfFieldEditor.cs

@@ -0,0 +1,33 @@
+using UnityEngine;
+using UnityEngine.Rendering.PostProcessing;
+
+namespace UnityEditor.Rendering.PostProcessing
+{
+    [PostProcessEditor(typeof(DepthOfField))]
+    public sealed class DepthOfFieldEditor : PostProcessEffectEditor<DepthOfField>
+    {
+        SerializedParameterOverride m_FocusDistance;
+        SerializedParameterOverride m_Aperture;
+        SerializedParameterOverride m_FocalLength;
+        SerializedParameterOverride m_KernelSize;
+
+        public override void OnEnable()
+        {
+            m_FocusDistance = FindParameterOverride(x => x.focusDistance);
+            m_Aperture = FindParameterOverride(x => x.aperture);
+            m_FocalLength = FindParameterOverride(x => x.focalLength);
+            m_KernelSize = FindParameterOverride(x => x.kernelSize);
+        }
+
+        public override void OnInspectorGUI()
+        {
+            if (SystemInfo.graphicsShaderLevel < 35)
+                EditorGUILayout.HelpBox("Depth Of Field is only supported on the following platforms:\nDX11+, OpenGL 3.2+, OpenGL ES 3+, Metal, Vulkan, PS4/XB1 consoles.", MessageType.Warning);
+
+            PropertyField(m_FocusDistance);
+            PropertyField(m_Aperture);
+            PropertyField(m_FocalLength);
+            PropertyField(m_KernelSize);
+        }
+    }
+}

PostProcessing/Editor/Effects/DepthOfFieldEditor.cs.meta

@@ -28,6 +28,12 @@ public sealed class DepthOfField : PostProcessEffectSettings
 
         [DisplayName("Max Blur Size"), Tooltip("Convolution kernel size of the bokeh filter, which determines the maximum radius of bokeh. It also affects performances (the larger the kernel is, the longer the GPU time is required).")]
         public KernelSizeParameter kernelSize = new KernelSizeParameter { value = KernelSize.Medium };
+
+        public override bool IsEnabledAndSupported(PostProcessRenderContext context)
+        {
+            return enabled.value
+                && SystemInfo.graphicsShaderLevel >= 35;
+        }
     }
 
     // TODO: Look into minimum blur amount in the distance, right now it's lerped until a point

PostProcessing/Runtime/Effects/DepthOfField.cs

@@ -1,12 +1,7 @@
 Shader "Hidden/PostProcessing/DepthOfField"
 {
-    HLSLINCLUDE
-
-        #pragma exclude_renderers d3d11_9x
-
-    ENDHLSL
-
     // SubShader with SM 5.0 support
+    // DX11+, OpenGL 4.3+, OpenGL ES 3.1+AEP, Vulkan, consoles
     // Gather intrinsics are used to reduce texture sample count.
     SubShader
     {
@@ -138,7 +133,8 @@ Shader "Hidden/PostProcessing/DepthOfField"
         }
     }
 
-    // Fallback SubShader with SM 3.0
+    // Fallback SubShader with SM 3.5
+    // DX11+, OpenGL 3.2+, OpenGL ES 3+, Metal, Vulkan, consoles
     SubShader
     {
         Cull Off ZWrite Off ZTest Always
@@ -148,7 +144,7 @@ Shader "Hidden/PostProcessing/DepthOfField"
             Name "CoC Calculation"
 
             HLSLPROGRAM
-                #pragma target 3.0
+                #pragma target 3.5
                 #pragma vertex VertDefault
                 #pragma fragment FragCoC
                 #include "DepthOfField.hlsl"
@@ -160,7 +156,7 @@ Shader "Hidden/PostProcessing/DepthOfField"
             Name "CoC Temporal Filter"
 
             HLSLPROGRAM
-                #pragma target 3.0
+                #pragma target 3.5
                 #pragma vertex VertDefault
                 #pragma fragment FragTempFilter
                 #include "DepthOfField.hlsl"
@@ -172,7 +168,7 @@ Shader "Hidden/PostProcessing/DepthOfField"
             Name "Downsample and Prefilter"
 
             HLSLPROGRAM
-                #pragma target 3.0
+                #pragma target 3.5
                 #pragma vertex VertDefault
                 #pragma fragment FragPrefilter
                 #pragma multi_compile __ UNITY_COLORSPACE_GAMMA
@@ -185,7 +181,7 @@ Shader "Hidden/PostProcessing/DepthOfField"
             Name "Bokeh Filter (small)"
 
             HLSLPROGRAM
-                #pragma target 3.0
+                #pragma target 3.5
                 #pragma vertex VertDefault
                 #pragma fragment FragBlur
                 #define KERNEL_SMALL
@@ -198,7 +194,7 @@ Shader "Hidden/PostProcessing/DepthOfField"
             Name "Bokeh Filter (medium)"
 
             HLSLPROGRAM
-                #pragma target 3.0
+                #pragma target 3.5
                 #pragma vertex VertDefault
                 #pragma fragment FragBlur
                 #define KERNEL_MEDIUM
@@ -211,16 +207,10 @@ Shader "Hidden/PostProcessing/DepthOfField"
             Name "Bokeh Filter (large)"
 
             HLSLPROGRAM
-                #pragma target 3.0
+                #pragma target 3.5
                 #pragma vertex VertDefault
-                #pragma fragment FragBlur        
-
-                #if SHADER_API_D3D9
-                    #define KERNEL_MEDIUM
-                #else
-                    #define KERNEL_LARGE
-                #endif
-
+                #pragma fragment FragBlur
+                #define KERNEL_LARGE
                 #include "DepthOfField.hlsl"
             ENDHLSL
         }
@@ -230,16 +220,10 @@ Shader "Hidden/PostProcessing/DepthOfField"
             Name "Bokeh Filter (very large)"
 
             HLSLPROGRAM
-                #pragma target 3.0
+                #pragma target 3.5
                 #pragma vertex VertDefault
                 #pragma fragment FragBlur
-
-                #if SHADER_API_D3D9
-                    #define KERNEL_MEDIUM
-                #else
-                    #define KERNEL_VERYLARGE
-                #endif
-
+                #define KERNEL_VERYLARGE
                 #include "DepthOfField.hlsl"
             ENDHLSL
         }
@@ -249,7 +233,7 @@ Shader "Hidden/PostProcessing/DepthOfField"
             Name "Postfilter"
 
             HLSLPROGRAM
-                #pragma target 3.0
+                #pragma target 3.5
                 #pragma vertex VertDefault
                 #pragma fragment FragPostBlur
                 #include "DepthOfField.hlsl"
@@ -261,7 +245,7 @@ Shader "Hidden/PostProcessing/DepthOfField"
             Name "Combine"
 
             HLSLPROGRAM
-                #pragma target 3.0
+                #pragma target 3.5
                 #pragma vertex VertDefault
                 #pragma fragment FragCombine
                 #include "DepthOfField.hlsl"
@@ -273,7 +257,7 @@ Shader "Hidden/PostProcessing/DepthOfField"
             Name "Debug Overlay"
 
             HLSLPROGRAM
-                #pragma target 3.0
+                #pragma target 3.5
                 #pragma vertex VertDefault
                 #pragma fragment FragDebugOverlay
                 #include "DepthOfField.hlsl"