[gtk+/wip/ebassi/gles] glarea: Relay the use-es flag to context creation

[Emmanuele Bassi <ebassi src gnome org>]

commit 1a5165d060eb919160c79bf7b5d4387728a95ed9
Author: Emanuele Aina <emanuele aina collabora com>
Date:   Mon Apr 18 16:15:27 2016 +0200

    glarea: Relay the use-es flag to context creation
    
    https://bugzilla.gnome.org/show_bug.cgi?id=743746

 gtk/gtkglarea.c |   24 ++++++++++++++++++++++++
 gtk/gtkglarea.h |    5 +++++
 2 files changed, 29 insertions(+), 0 deletions(-)
---
diff --git a/gtk/gtkglarea.c b/gtk/gtkglarea.c
index 245fc6b..efd7d03 100644
--- a/gtk/gtkglarea.c
+++ b/gtk/gtkglarea.c
@@ -157,6 +157,7 @@ typedef struct {
   gboolean needs_resize;
   gboolean needs_render;
   gboolean auto_render;
+  gboolean use_es;
 } GtkGLAreaPrivate;
 
 enum {
@@ -338,6 +339,7 @@ gtk_gl_area_real_create_context (GtkGLArea *area)
       return NULL;
     }
 
+  gdk_gl_context_set_use_es (context, priv->use_es);
   gdk_gl_context_set_required_version (context,
                                        priv->required_gl_version / 10,
                                        priv->required_gl_version % 10);
@@ -1012,6 +1014,28 @@ gtk_gl_area_get_error (GtkGLArea *area)
   return priv->error;
 }
 
+void
+gtk_gl_area_set_use_es (GtkGLArea *area,
+                        gboolean   use_es)
+{
+  GtkGLAreaPrivate *priv = gtk_gl_area_get_instance_private (area);
+
+  g_return_if_fail (GTK_IS_GL_AREA (area));
+  g_return_if_fail (!gtk_widget_get_realized (GTK_WIDGET (area)));
+
+  priv->use_es = use_es;
+}
+
+gboolean
+gtk_gl_area_get_use_es (GtkGLArea *area)
+{
+  GtkGLAreaPrivate *priv = gtk_gl_area_get_instance_private (area);
+
+  g_return_if_fail (GTK_IS_GL_AREA (area));
+
+  return priv->use_es;
+}
+
 /**
  * gtk_gl_area_set_required_version:
  * @area: a #GtkGLArea
diff --git a/gtk/gtkglarea.h b/gtk/gtkglarea.h
index 75d9a21..d769a64 100644
--- a/gtk/gtkglarea.h
+++ b/gtk/gtkglarea.h
@@ -85,6 +85,11 @@ GType gtk_gl_area_get_type (void) G_GNUC_CONST;
 GDK_AVAILABLE_IN_3_16
 GtkWidget *     gtk_gl_area_new                         (void);
 
+GDK_AVAILABLE_IN_3_22
+void            gtk_gl_area_set_use_es                  (GtkGLArea    *area,
+                                                         gboolean      use_es);
+GDK_AVAILABLE_IN_3_22
+gboolean        gtk_gl_area_get_use_es                  (GtkGLArea    *area);
 GDK_AVAILABLE_IN_3_16
 void            gtk_gl_area_set_required_version        (GtkGLArea    *area,
                                                          gint          major,