From 9a873cc53bbfd98ce9668d91ad7437d5d0ca6283 Mon Sep 17 00:00:00 2001
From: wm4 <wm4@nowhere>
Date: Mon, 12 Sep 2016 16:35:25 +0200
Subject: vo_opengl: redirect window screenshot requests to backend

If the glReadPixels method is not available, let the backend do it.

Useful for the next commit.
---
 video/out/vo_opengl.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/video/out/vo_opengl.c b/video/out/vo_opengl.c
index 36645ec0cd..2517ba7412 100644
--- a/video/out/vo_opengl.c
+++ b/video/out/vo_opengl.c
@@ -300,12 +300,12 @@ static int control(struct vo *vo, uint32_t request, void *data)
     }
     case VOCTRL_SCREENSHOT_WIN: {
         struct mp_image *screen = gl_read_window_contents(p->gl);
+        if (!screen)
+            break; // redirect to backend
         // set image parameters according to the display, if possible
-        if (screen) {
-            screen->params.color = gl_video_get_output_colorspace(p->renderer);
-            if (p->glctx->flip_v)
-                mp_image_vflip(screen);
-        }
+        screen->params.color = gl_video_get_output_colorspace(p->renderer);
+        if (p->glctx->flip_v)
+            mp_image_vflip(screen);
         *(struct mp_image **)data = screen;
         return true;
     }
-- 
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