From 49b5a23d4720127611623cd1e29142ca9aa63731 Mon Sep 17 00:00:00 2001
From: Aaron Clarke <aaclarke@google.com>
Date: Mon, 13 Oct 2025 16:37:54 -0700
Subject: [PATCH] Updated fragment shader sample to use uniform-by-name
 accessor

---
 simple_shader/lib/main.dart | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/simple_shader/lib/main.dart b/simple_shader/lib/main.dart
index e314f91bfe0..e12f4ef5a93 100644
--- a/simple_shader/lib/main.dart
+++ b/simple_shader/lib/main.dart
@@ -40,13 +40,18 @@ class MyHomePage extends StatelessWidget {
 }
 
 class ShaderPainter extends CustomPainter {
-  ShaderPainter({required this.shader});
-  ui.FragmentShader shader;
+  ShaderPainter({required this.shader})
+    : _width = shader.getUniformFloat('resolution', 0),
+      _height = shader.getUniformFloat('resolution', 1);
+
+  final ui.FragmentShader shader;
+  final ui.UniformFloatSlot _width;
+  final ui.UniformFloatSlot _height;
 
   @override
   void paint(Canvas canvas, Size size) {
-    shader.setFloat(0, size.width);
-    shader.setFloat(1, size.height);
+    _width.set(size.width);
+    _height.set(size.height);
 
     final paint = Paint()..shader = shader;
     canvas.drawRect(Rect.fromLTWH(0, 0, size.width, size.height), paint);