From 6f9ab1f55fd54beab7f0999a69b80ef92fe63722 Mon Sep 17 00:00:00 2001
From: pryazha <pryadeiniv@mail.ru>
Date: Tue, 15 Jul 2025 16:15:26 +0500
Subject: finish ssao

---
 advanced_lighting/9.ssao/blur.frag | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 advanced_lighting/9.ssao/blur.frag

(limited to 'advanced_lighting/9.ssao/blur.frag')

diff --git a/advanced_lighting/9.ssao/blur.frag b/advanced_lighting/9.ssao/blur.frag
new file mode 100644
index 0000000..dea23e8
--- /dev/null
+++ b/advanced_lighting/9.ssao/blur.frag
@@ -0,0 +1,22 @@
+#version 330 core
+
+in vert_t {
+	vec2 tex_coords;
+} vert;
+
+out float frag_color;
+
+uniform sampler2D ssao;
+
+void main()
+{
+	vec2 texel_size = 1.0 / vec2(textureSize(ssao, 0));
+	float result = 0.0;
+	for (int x = -2; x < 2; x++) {
+		for (int y = -2; y < 2; y++) {
+			vec2 offset = vec2(float(x), float(y)) * texel_size;
+			result += texture(ssao, vert.tex_coords + offset).r;
+		}
+	}
+	frag_color = result / (4.0 * 4.0);
+}
-- 
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