From: Perry Fraser <perryprog@users.noreply.github.com>
Date: Tue, 17 Jun 2025 21:05:12 +0000 (-0400)
Subject: fix: deglitchify drowsiness effect on macOS (#37817)
X-Git-Url: https://git.smokeofanarchy.ru/gitweb.cgi?a=commitdiff_plain;h=9a605c864278b988f1dd5aa8016930199a339cd6;p=space-station-14.git

fix: deglitchify drowsiness effect on macOS (#37817)
---

diff --git a/Resources/Textures/Shaders/radial_blur.swsl b/Resources/Textures/Shaders/radial_blur.swsl
index f3224ce06c..55a89c31b4 100644
--- a/Resources/Textures/Shaders/radial_blur.swsl
+++ b/Resources/Textures/Shaders/radial_blur.swsl
@@ -4,11 +4,13 @@ const highp int SampleCount = 10; // a higher number makes the shader look bette
 
 // a simple radial blur
 void fragment() {
-    highp vec2 uv = FRAGCOORD.xy * SCREEN_PIXEL_SIZE.xy;
-    highp vec2 direction = vec2(0.5, 0.5) - uv;
+    highp vec3 col = texture(SCREEN_TEXTURE, UV).xyz;
+    highp vec4 color = zTexture(UV);
+    highp vec2 direction = vec2(0.5, 0.5) - UV;
     for (int i=1; i <= SampleCount; i++)
     {
-        COLOR += zTextureSpec(SCREEN_TEXTURE, uv + float(i) * Strength / float(SampleCount) * direction);
+        col += zTextureSpec(SCREEN_TEXTURE, UV + float(i) * Strength / float(SampleCount) * direction).xyz;
     }
-    COLOR = COLOR / float(SampleCount);
+    col = col / float(SampleCount);
+    COLOR = vec4(vec3(col), color.a);
 }