From 9681cc76fa623c6c6c2a9db2a15d5140c1ee3690 Mon Sep 17 00:00:00 2001
From: Emile Clark-Boman <eclarkboman@gmail.com>
Date: Sat, 31 Jan 2026 11:33:00 +1000
Subject: [PATCH] fix use gl_FragCoord

---
 www/shaders/segfault.glsl | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/www/shaders/segfault.glsl b/www/shaders/segfault.glsl
index cd0474d..e252f18 100644
--- a/www/shaders/segfault.glsl
+++ b/www/shaders/segfault.glsl
@@ -9,6 +9,7 @@ precision highp float;
 #endif
 
 uniform float uTime;
+
 /* ==== Text Colouring  ==== */
 #define PHOSPHOR_COL vec4(1, 1., 1., 1.)
 #define BG_COL vec4(0.2, 0.0, 0.2, 0.)
@@ -355,13 +356,13 @@ float bloom(vec2 uv2) {
         * smoothstep(0., -SMOOTH*20., stdRS(uvC, -0.02)) * 0.5;
 }
 
-void mainImage(out vec4 fragColor, in vec2 fragCoord) {       
-   	vec2 uv = vec2(fragCoord.x, iResolution.y - fragCoord.y);
+void mainImage(out vec4 fragColor) {       
+   	vec2 uv = vec2(gl_FragCoord.x, iResolution.y - gl_FragCoord.y);
    	vec2 uvT = ROWCOLS * FONT_SIZE * uv / iResolution.xy;
    	vec2 uvG = floor(ROWCOLS * uv / iResolution.xy);
-    vec2 uvC = fragCoord/iResolution.xy;
+    vec2 uvC = gl_FragCoord/iResolution.xy;
         
-    vec2 uvNoise = fragCoord.xy / iResolution.xy;
+    vec2 uvNoise = gl_FragCoord.xy / iResolution.xy;
     uvNoise = ceil(uvNoise * ROWCOLS) / ROWCOLS;
     
     float val;