From 05f292874df8b29a0f3b60d49d39f4269a2b2ca8 Mon Sep 17 00:00:00 2001
From: Romain Vimont <rom1v@videolabs.io>
Date: Tue, 22 Mar 2022 12:46:42 +0100
Subject: [PATCH] opengl: fix swizzle

The four components are, in order: x, y, z, w.

The U and V values are the first and second components in the second
texture.

Fixes #26735
---
 modules/video_output/opengl/sampler.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/modules/video_output/opengl/sampler.c b/modules/video_output/opengl/sampler.c
index 09541d213e..80bd1f1bed 100644
--- a/modules/video_output/opengl/sampler.c
+++ b/modules/video_output/opengl/sampler.c
@@ -443,7 +443,7 @@ opengl_init_swizzle(struct vlc_gl_sampler *sampler,
         else
         {
             swizzle_per_tex[0] = "x";
-            swizzle_per_tex[1] = "xw";
+            swizzle_per_tex[1] = "xy";
         }
     }
     else if (desc->plane_count == 1)