From 55977523b00579c4993202b7b49a2acfaa2ddb0e Mon Sep 17 00:00:00 2001
From: Matthew Waters <matthew@centricular.com>
Date: Thu, 27 Nov 2014 13:01:19 +1100
Subject: [PATCH] glimagesink: only attempt a resize when the window has
 already resized

fixes a black startup screen on wayland
---
 ext/gl/gstglimagesink.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/ext/gl/gstglimagesink.c b/ext/gl/gstglimagesink.c
index c06f580bcc..1c3a7c49f2 100644
--- a/ext/gl/gstglimagesink.c
+++ b/ext/gl/gstglimagesink.c
@@ -1260,7 +1260,8 @@ gst_glimage_sink_on_draw (GstGLImageSink * gl_sink)
   /* opengl scene */
   GST_TRACE ("redrawing texture:%u", gl_sink->redisplay_texture);
 
-  if (gl_sink->caps_change) {
+  if (gl_sink->caps_change && gl_sink->window_width > 0
+      && gl_sink->window_height > 0) {
     GST_GLIMAGE_SINK_UNLOCK (gl_sink);
     gst_glimage_sink_on_resize (gl_sink, gl_sink->window_width,
         gl_sink->window_height);