diff --git a/GLMakie/assets/shader/shadertoy.frag b/GLMakie/assets/shader/shadertoy.frag
index a7afe50a676..b7d4cd16a5a 100644
--- a/GLMakie/assets/shader/shadertoy.frag
+++ b/GLMakie/assets/shader/shadertoy.frag
@@ -4,12 +4,13 @@
 {{TOY_SHADER}}
 
 in vec2 f_uv;
-layout (location = 0) out vec4 fragment_color;
-layout (location = 1) out uvec2 fragment_groupid;
+
+uniform uint objectid;
+
+void write2framebuffer(vec4 color, uvec2 id);
 
 void main()
 {
-	vec4 color = mainImage(f_uv * iResolution.xy);
-	if (color.a <= 0.0) discard;
-	fragment_color = color * 0.5;
+    vec4 color = mainImage(f_uv * iResolution.xy);
+    write2framebuffer(color, uvec2(objectid, 0));
 }