From 226daf9b598de6243fe7cc0f35d22b21e682b705 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?R=C3=A9mi=20Verschelde?= <rverschelde@gmail.com>
Date: Tue, 17 Jan 2023 13:17:44 +0100
Subject: [PATCH] GLES3: Fix canvas shader use of undefined draw_data

Fixes #71551.
---
 drivers/gles3/shaders/canvas.glsl | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gles3/shaders/canvas.glsl b/drivers/gles3/shaders/canvas.glsl
index 3d3d328146250..8c53ab65296ef 100644
--- a/drivers/gles3/shaders/canvas.glsl
+++ b/drivers/gles3/shaders/canvas.glsl
@@ -579,10 +579,10 @@ void main() {
 
 	if (normal_used || (using_light && bool(read_draw_data_flags & FLAGS_DEFAULT_NORMAL_MAP_USED))) {
 		normal.xy = texture(normal_texture, uv).xy * vec2(2.0, -2.0) - vec2(1.0, -1.0);
-		if (bool(draw_data.flags & FLAGS_FLIP_H)) {
+		if (bool(read_draw_data_flags & FLAGS_FLIP_H)) {
 			normal.x = -normal.x;
 		}
-		if (bool(draw_data.flags & FLAGS_FLIP_V)) {
+		if (bool(read_draw_data_flags & FLAGS_FLIP_V)) {
 			normal.y = -normal.y;
 		}
 		normal.z = sqrt(1.0 - dot(normal.xy, normal.xy));