API: Require passing a GLContext to begin_draw_frame()

This is in preparation for requiring explicit passing of GL contexts
when drawing.

1 files changed, 8 insertions, 0 deletions

diff --git a/gdk/gdkwindow.c b/gdk/gdkwindow.c
index 86fb756096..b70b3e5f76 100644
--- a/gdk/gdkwindow.c
+++ b/gdk/gdkwindow.c
@@ -2856,6 +2856,7 @@ gdk_window_end_paint_internal (GdkWindow *window)
 /**
  * gdk_window_begin_draw_frame:
  * @window: a #GdkWindow
+ * @context: (allow-none): the context used to draw the frame
  * @region: a Cairo region
  *
  * Indicates that you are beginning the process of redrawing @region
@@ -2894,6 +2895,7 @@ gdk_window_end_paint_internal (GdkWindow *window)
  */
 GdkDrawingContext *
 gdk_window_begin_draw_frame (GdkWindow            *window,
+                             GdkGLContext         *gl_context,
                              const cairo_region_t *region)
 {
   GdkDrawingContext *context;
@@ -2901,6 +2903,11 @@ gdk_window_begin_draw_frame (GdkWindow            *window,
   g_return_val_if_fail (GDK_IS_WINDOW (window), NULL);
   g_return_val_if_fail (gdk_window_has_native (window), NULL);
   g_return_val_if_fail (gdk_window_is_toplevel (window), NULL);
+  if (gl_context != NULL)
+    {
+      g_return_val_if_fail (GDK_IS_GL_CONTEXT (gl_context), NULL);
+      g_return_val_if_fail (gdk_gl_context_get_window (gl_context) == window, NULL);
+    }
 
   if (window->drawing_context != NULL)
     {
@@ -2912,6 +2919,7 @@ gdk_window_begin_draw_frame (GdkWindow            *window,
 
   context = g_object_new (GDK_TYPE_DRAWING_CONTEXT,
                           "window", window,
+                          "paint-context", gl_context,
                           "clip", region,
                           NULL);