Library/PackageCache/com.unity.postprocessing@2.1.6/PostProcessing/Shaders/Builtins/ScalableAO.shader

   1 Shader "Hidden/PostProcessing/ScalableAO"
   2 {
   3     HLSLINCLUDE
   4
   5         #pragma exclude_renderers psp2
   6         #pragma target 3.0
   7
   8     ENDHLSL
   9
  10     SubShader
  11     {
  12         Cull Off ZWrite Off ZTest Always
  13
  14         // 0 - Occlusion estimation with CameraDepthTexture
  15         Pass
  16         {
  17             HLSLPROGRAM
  18
  19                 #pragma vertex VertDefault
  20                 #pragma fragment FragAO
  21                 #pragma multi_compile _ APPLY_FORWARD_FOG
  22                 #pragma multi_compile _ FOG_LINEAR FOG_EXP FOG_EXP2
  23                 #define SOURCE_DEPTH
  24                 #include "ScalableAO.hlsl"
  25
  26             ENDHLSL
  27         }
  28
  29         // 1 - Occlusion estimation with G-Buffer
  30         Pass
  31         {
  32             HLSLPROGRAM
  33
  34                 #pragma vertex VertDefault
  35                 #pragma fragment FragAO
  36                 #pragma multi_compile _ APPLY_FORWARD_FOG
  37                 #pragma multi_compile _ FOG_LINEAR FOG_EXP FOG_EXP2
  38                 #define SOURCE_GBUFFER
  39                 #include "ScalableAO.hlsl"
  40
  41             ENDHLSL
  42         }
  43
  44         // 2 - Separable blur (horizontal pass) with CameraDepthNormalsTexture
  45         Pass
  46         {
  47             HLSLPROGRAM
  48
  49                 #pragma vertex VertDefault
  50                 #pragma fragment FragBlur
  51                 #define SOURCE_DEPTHNORMALS
  52                 #define BLUR_HORIZONTAL
  53                 #define BLUR_SAMPLE_CENTER_NORMAL
  54                 #include "ScalableAO.hlsl"
  55
  56             ENDHLSL
  57         }
  58
  59         // 3 - Separable blur (horizontal pass) with G-Buffer
  60         Pass
  61         {
  62             HLSLPROGRAM
  63
  64                 #pragma vertex VertDefault
  65                 #pragma fragment FragBlur
  66                 #define SOURCE_GBUFFER
  67                 #define BLUR_HORIZONTAL
  68                 #define BLUR_SAMPLE_CENTER_NORMAL
  69                 #include "ScalableAO.hlsl"
  70
  71             ENDHLSL
  72         }
  73
  74         // 4 - Separable blur (vertical pass)
  75         Pass
  76         {
  77             HLSLPROGRAM
  78
  79                 #pragma vertex VertDefault
  80                 #pragma fragment FragBlur
  81                 #define BLUR_VERTICAL
  82                 #include "ScalableAO.hlsl"
  83
  84             ENDHLSL
  85         }
  86
  87         // 5 - Final composition
  88         Pass
  89         {
  90             Blend Zero OneMinusSrcColor, Zero OneMinusSrcAlpha
  91
  92             HLSLPROGRAM
  93
  94                 #pragma vertex VertDefault
  95                 #pragma fragment FragComposition
  96                 #include "ScalableAO.hlsl"
  97
  98             ENDHLSL
  99         }
 100
 101         // 6 - Final composition (ambient only mode)
 102         Pass
 103         {
 104             Blend Zero OneMinusSrcColor, Zero OneMinusSrcAlpha
 105
 106             HLSLPROGRAM
 107
 108                 #pragma vertex VertDefault
 109                 #pragma fragment FragCompositionGBuffer
 110                 #include "ScalableAO.hlsl"
 111
 112             ENDHLSL
 113         }
 114
 115         // 7 - Debug overlay
 116         Pass
 117         {
 118             HLSLPROGRAM
 119
 120                 #pragma vertex VertDefault
 121                 #pragma fragment FragDebugOverlay
 122                 #include "ScalableAO.hlsl"
 123
 124             ENDHLSL
 125         }
 126     }
 127 }