glcontext: add gst_gl_context_set_display helper

diff --git a/gst-libs/gst/gl/gstglcontext.c b/gst-libs/gst/gl/gstglcontext.c
index 98ed0ed..ab63183 100644 (file)
--- a/gst-libs/gst/gl/gstglcontext.c
+++ b/gst-libs/gst/gl/gstglcontext.c
@@ -1550,6 +1550,25 @@ gst_gl_context_get_display (GstGLContext * context)
   return gst_object_ref (context->priv->display);
 }
 
+/**
+ * gst_gl_context_set_display:
+ * @context: a #GstGLContext:
+ * @display: a #GstGLDisplay:
+ *
+ * Ref @display and unref previous display if exists.
+ *
+ * Since: 1.6
+ */
+void
+gst_gl_context_set_display (GstGLContext * context, GstGLDisplay * display)
+{
+  g_return_if_fail (GST_GL_IS_CONTEXT (context));
+  g_return_if_fail (GST_IS_GL_DISPLAY (display));
+
+  gst_object_replace ((GstObject **) & context->priv->display,
+      (GstObject *) display);
+}
+
 typedef struct
 {
   GstGLContext *context;

diff --git a/gst-libs/gst/gl/gstglcontext.h b/gst-libs/gst/gl/gstglcontext.h
index 7b19d6e..3e5fc23 100644 (file)
--- a/gst-libs/gst/gl/gstglcontext.h
+++ b/gst-libs/gst/gl/gstglcontext.h
@@ -124,6 +124,7 @@ gboolean      gst_gl_context_activate         (GstGLContext *context, gboolean a
 GThread *     gst_gl_context_get_thread       (GstGLContext *context);
 GstGLContext * gst_gl_context_get_current     (void);
 
+void           gst_gl_context_set_display (GstGLContext *context, GstGLDisplay *display);
 GstGLDisplay * gst_gl_context_get_display (GstGLContext *context);
 gpointer      gst_gl_context_get_proc_address (GstGLContext *context, const gchar *name);
 GstGLPlatform gst_gl_context_get_gl_platform  (GstGLContext *context);