Шейдер размытия SSAO

shaders/ssaoBlur.frag

@@ -0,0 +1,23 @@
+#version 330 core
+
+in vec2 texCoord;
+
+out float occlusion;
+
+uniform sampler2D ssao;
+
+void main() 
+{
+    vec2 texelSize = 1.0 / vec2(textureSize(ssao, 0));
+    vec2 offset;
+    occlusion = 0.0;
+    for (int x = -2; x < 2; x++) 
+    {
+        for (int y = -2; y < 2; y++) 
+        {
+            offset = vec2(x, y) * texelSize;
+            occlusion += texture(ssao, texCoord + offset).r;
+        }
+    }
+    occlusion = occlusion / (4.0 * 4.0);
+}