From 1d41990b26e75b5a88cb1e1c33226be17fa71367 Mon Sep 17 00:00:00 2001
From: Sergey Borovkov <serge.borovkov@gmail.com>
Date: Fri, 8 Jan 2016 22:19:06 +0300
Subject: [PATCH] qml: Mark material dirty when texture buffer is updated

Qt might not redraw the scene otherwise.

https://bugzilla.gnome.org/show_bug.cgi?id=758286
---
 ext/qt/qtitem.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/ext/qt/qtitem.cc b/ext/qt/qtitem.cc
index ca8e535..9dc058a 100644
--- a/ext/qt/qtitem.cc
+++ b/ext/qt/qtitem.cc
@@ -211,6 +211,7 @@ QtGLVideoItem::updatePaintNode(QSGNode * oldNode,
   tex = static_cast<GstQSGTexture *> (texNode->texture());
   tex->setCaps (this->priv->caps);
   tex->setBuffer (this->priv->buffer);
+  texNode->markDirty(QSGNode::DirtyMaterial);
 
   if (this->priv->force_aspect_ratio) {
     src.w = this->priv->display_width;
-- 
2.7.4