From e09679c7cf454740d9c517bf16625fcdc7466c4b Mon Sep 17 00:00:00 2001
From: Bernd Busse <bernd@busse-net.de>
Date: Tue, 22 Jun 2021 21:57:53 +0200
Subject: [PATCH] backend: glx: Fix texture access in max-brightness
 calculation

Correctly unpack the inner `gl_texture` from the backend image.

related: 2a60836a9bc30d92b4adb46d5f48684a5d2f1ecb
---
 src/backend/gl/gl_common.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/backend/gl/gl_common.c b/src/backend/gl/gl_common.c
index ba94c989..7f619f13 100644
--- a/src/backend/gl/gl_common.c
+++ b/src/backend/gl/gl_common.c
@@ -273,7 +273,7 @@ _gl_average_texture_color(backend_t *base, GLuint source_texture, GLuint destina
  */
 static GLuint gl_average_texture_color(backend_t *base, struct backend_image *img) {
 	auto gd = (struct gl_data *)base;
-	auto inner = (struct gl_texture *)img;
+	auto inner = (struct gl_texture *)img->inner;
 
 	// Prepare textures which will be used for destination and source of rendering
 	// during downscaling.