From a7090b2a03697c0a210ee2ce18960e32ad97183f Mon Sep 17 00:00:00 2001
From: Tony Jinwoo Ahn <tony.jinwoo.ahn@gmail.com>
Date: Sat, 23 Nov 2019 12:51:38 +0000
Subject: [PATCH] gstreamer-gl/wayland: Change a function from returning an
 Option to Results

Partial work for:
https://gitlab.freedesktop.org/gstreamer/gstreamer-rs/issues/216
---
 gstreamer-gl/src/gl_display_wayland.rs | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/gstreamer-gl/src/gl_display_wayland.rs b/gstreamer-gl/src/gl_display_wayland.rs
index 67c1a91fd..0d06fd386 100644
--- a/gstreamer-gl/src/gl_display_wayland.rs
+++ b/gstreamer-gl/src/gl_display_wayland.rs
@@ -13,9 +13,15 @@ use libc::uintptr_t;
 use GLDisplayWayland;
 
 impl GLDisplayWayland {
-    pub unsafe fn new_with_display(display: uintptr_t) -> Option<GLDisplayWayland> {
-        from_glib_full(gst_gl_sys::gst_gl_display_wayland_new_with_display(
+    pub unsafe fn new_with_display(
+        display: uintptr_t,
+    ) -> Result<GLDisplayWayland, glib::error::BoolError> {
+        let result = from_glib_full(gst_gl_sys::gst_gl_display_wayland_new_with_display(
             display as gpointer,
-        ))
+        ));
+        match result {
+            Some(d) => Ok(d),
+            None => Err(glib_bool_error!("Failed to create new Wayland GL display")),
+        }
     }
 }