From d3a26272cddd295eb863d4a06a899239cab78df4 Mon Sep 17 00:00:00 2001
From: wm4 <wm4@nowhere>
Date: Wed, 27 Apr 2016 13:32:20 +0200
Subject: vo_opengl: print error if opengl hwdec interop fails

---
 video/out/opengl/video.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/video/out/opengl/video.c b/video/out/opengl/video.c
index 4307dcde47..de5c49da34 100644
--- a/video/out/opengl/video.c
+++ b/video/out/opengl/video.c
@@ -2542,6 +2542,8 @@ static void gl_video_upload_image(struct gl_video *p, struct mp_image *mpi)
         bool ok = p->hwdec->driver->map_image(p->hwdec, vimg->mpi, imgtex) >= 0;
         for (int n = 0; n < p->plane_count; n++)
             vimg->planes[n].gl_texture = ok ? imgtex[n] : -1;
+        if (!ok)
+            MP_FATAL(p, "Mapping hardware decoded surface failed.\n");
         return;
     }
 
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