From d3d1b5a5e2192425f13c318598ea0671beba39d0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sebastian=20Dr=C3=B6ge?= <sebastian@centricular.com>
Date: Sun, 13 Apr 2014 16:53:58 +0200
Subject: [PATCH] gl/eagl: Notify the window's resize callback about surface
 dimension changes

https://bugzilla.gnome.org/show_bug.cgi?id=728107
---
 gst-libs/gst/gl/eagl/gstglwindow_eagl.m | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/gst-libs/gst/gl/eagl/gstglwindow_eagl.m b/gst-libs/gst/gl/eagl/gstglwindow_eagl.m
index c9f4c3f182..3ec03b0faf 100644
--- a/gst-libs/gst/gl/eagl/gstglwindow_eagl.m
+++ b/gst-libs/gst/gl/eagl/gstglwindow_eagl.m
@@ -23,6 +23,7 @@
 #endif
 
 #import <OpenGLES/EAGL.h>
+#import <QuartzCore/QuartzCore.h>
 #import <UIKit/UIKit.h>
 
 #include "gstglwindow_eagl.h"
@@ -229,6 +230,22 @@ draw_cb (gpointer data)
   GstGLContextEagl *eagl_context = GST_GL_CONTEXT_EAGL (context);
   GstGLContextClass *context_class = GST_GL_CONTEXT_GET_CLASS (context);
 
+  if (window_eagl->view) {
+    CGSize size;
+    CAEAGLLayer *eagl_layer;
+
+    eagl_layer = (CAEAGLLayer *)[window_eagl->priv->view layer];
+    size = eagl_layer.frame.size;
+
+    if (window_eagl->priv->window_width != size.width || window_eagl->priv->window_height != size.height) {
+      window_eagl->priv->window_width = size.width;
+      window_eagl->priv->window_height = size.height;
+
+      if (window->resize_cb)
+        window->resize_cb (window->resize_data, size.width, size.height);
+    }
+  }
+
   gst_gl_context_eagl_prepare_draw (eagl_context);
 
   if (window->draw)