From 3f122e57f118db1229a4bad2c54be624f2f8f19c Mon Sep 17 00:00:00 2001
From: LaG1924 <lag1924@gmail.com>
Date: Sun, 5 Dec 2021 00:51:39 +0500
Subject: Added SSAO

---
 cwd/assets/altcraft/shaders/frag/light.fs | 24 ++++++++++++++++++++----
 1 file changed, 20 insertions(+), 4 deletions(-)

(limited to 'cwd/assets/altcraft/shaders/frag/light.fs')

diff --git a/cwd/assets/altcraft/shaders/frag/light.fs b/cwd/assets/altcraft/shaders/frag/light.fs
index 117e0ef..fd7aa4e 100644
--- a/cwd/assets/altcraft/shaders/frag/light.fs
+++ b/cwd/assets/altcraft/shaders/frag/light.fs
@@ -4,17 +4,22 @@ out vec4 fragColor;
 
 in vec2 uv;
 
+uniform sampler2D depthStencil;
 uniform sampler2D color;
 uniform sampler2D normal;
+uniform sampler2D worldPos;
 uniform sampler2D addColor;
 uniform sampler2D light;
-uniform sampler2D depthStencil;
+uniform sampler2D ssao;
 
 uniform int renderBuff;
 
 layout (std140) uniform Globals {
     mat4 projView;
+    mat4 proj;
+    mat4 view;
     uvec2 viewportSize;
+    vec4 ssaoKernels[64];
     float globalTime;
     float dayTime;
     float gamma;
@@ -23,9 +28,14 @@ layout (std140) uniform Globals {
 void main() {
     vec4 c = texture(color, uv);
     vec4 n = texture(normal, uv);
+    n += 1.0f;
+    n /= 2.0f;
+
+    vec4 wp = texture(worldPos, uv);
     vec4 ac = texture(addColor, uv);
     vec4 l = texture(light, uv);
     float d = (1.0f - texture(depthStencil, uv).r) * 16.0f;
+    vec4 s = texture(ssao, uv);
 
     float faceLight = l.r;
     float skyLight = l.g;
@@ -34,7 +44,7 @@ void main() {
     lightLevel = clamp(lightLevel, 0.005f, 1.0f);
     vec3 faceColor = mix(ac.rgb * lightLevel, vec3(1,1,1) * lightLevel, float(ac.rgb == vec3(0,0,0)));
 
-    vec4 finalColor = vec4(c.rgb * faceColor, 1.0f);
+    vec4 finalColor = vec4(c.rgb * faceColor * (1.0f - s.r), 1.0f);
 
     finalColor.rgb = pow(finalColor.rgb, vec3(1.0f / gamma));
 
@@ -49,13 +59,19 @@ void main() {
             fragColor = n;
             break;
         case 3:
-            fragColor = ac;
+            fragColor = wp;
             break;
         case 4:
-            fragColor = l;
+            fragColor = ac;
             break;
         case 5:
+            fragColor = l;
+            break;
+        case 6:
             fragColor = vec4(vec3(d), 1.0f);
             break;
+        case 7:
+            fragColor = s;
+            break;
     }
 }
-- 
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