From 9d7ca5e16445bf8e9cb78fe52b34c490a45f601c Mon Sep 17 00:00:00 2001
From: Hugo Locurcio <hugo.locurcio@hugo.pro>
Date: Tue, 16 Jun 2026 01:31:11 +0200
Subject: [PATCH] Mention shader type in Introduction to shaders

The first shader example is a valid `canvas_item` shader,
but not a valid `spatial` shader as `COLOR` is read-only in
`spatial`'s `fragment()` (it reads the vertex color).
---
 tutorials/shaders/introduction_to_shaders.rst | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tutorials/shaders/introduction_to_shaders.rst b/tutorials/shaders/introduction_to_shaders.rst
index 2e4162f458b..2b9f9c66a46 100644
--- a/tutorials/shaders/introduction_to_shaders.rst
+++ b/tutorials/shaders/introduction_to_shaders.rst
@@ -36,6 +36,8 @@ look like this.
 
 .. code-block:: glsl
 
+    shader_type canvas_item;
+
     void fragment() {
         COLOR = some_color;
     }