From 630d107c91a83f1c6294845de6ff3f4cd56488b6 Mon Sep 17 00:00:00 2001
From: Adrian Kummerlaender
Date: Sun, 6 Feb 2022 22:48:13 +0100
Subject: Replace deprecated gl_FragColor

---
 interacticle/visual/view.py | 20 +++++++++++++-------
 1 file changed, 13 insertions(+), 7 deletions(-)

diff --git a/interacticle/visual/view.py b/interacticle/visual/view.py
index 14ff487..92811ae 100644
--- a/interacticle/visual/view.py
+++ b/interacticle/visual/view.py
@@ -21,6 +21,8 @@ particle_shader = (
             vec2 tex_coord;
         } fs_in;
 
+        layout(location = 0) out vec4 frag_color;
+
         void main(){
             if (length(fs_in.tex_coord - vec2(0.5)) > 0.5) {
                 discard;
@@ -29,11 +31,11 @@ particle_shader = (
             vec3 n = vec3(fs_in.tex_coord - vec2(0.5), 0.);
             n.z = -sqrt(1 - length(n))*0.6;
             n = normalize(n);
-    
+
             vec3 dir = normalize(camera_pos.xyz - fs_in.particle_pos);
             vec3 color = fs_in.atom_color * dot(dir, n);
 
-            gl_FragColor = vec4(color.xyz, 1.0);
+            frag_color = vec4(color.xyz, 1.0);
         }
     """,
     """
@@ -107,11 +109,13 @@ particle_shader = (
 decoration_shader = (
     """
         #version 430
-    
+
         uniform vec3 color;
-    
+
+        layout(location = 0) out vec4 frag_color;
+
         void main(){
-            gl_FragColor = vec4(color, 1);
+            frag_color = vec4(color, 1);
         }
     """,
     """
@@ -139,12 +143,14 @@ texture_shader = (
 
         uniform float mixing;
 
+        layout(location = 0) out vec4 frag_color;
+
         void main() {
             vec3 color = mix(texture(picture[0], tex_coord), texture(picture[1], tex_coord), mixing).xyz;
             if (color == vec3(0.,0.,0.)) {
-                gl_FragColor = vec4(color, 0.5);
+                frag_color = vec4(color, 0.5);
             } else {
-                gl_FragColor = vec4(color, 1.0);
+                frag_color = vec4(color, 1.0);
             }
         }
     """,
-- 
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