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drawcontext: Guard begin/end_frame() against non-surface contexts

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This can happen now with gdk_display_create_gl_context().
This commit is contained in:
Benjamin Otte 2021-10-20 20:07:37 +02:00
parent 2601c39cb2
commit ea14e94eaf
1 changed files with 6 additions and 1 deletions
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7
gdk/gdkdrawcontext.c
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@ -276,7 +276,8 @@ gdk_draw_context_get_surface (GdkDrawContext *context)
/**
* gdk_draw_context_begin_frame:
* @context: the `GdkDrawContext` used to draw the frame
* @context: the `GdkDrawContext` used to draw the frame. The context must
* have a surface.
* @region: minimum region that should be drawn
*
* Indicates that you are beginning the process of redrawing @region
@ -308,7 +309,10 @@ void
gdk_draw_context_begin_frame (GdkDrawContext *context,
const cairo_region_t *region)
{
GdkDrawContextPrivate *priv = gdk_draw_context_get_instance_private (context);
g_return_if_fail (GDK_IS_DRAW_CONTEXT (context));
g_return_if_fail (priv->surface != NULL);
g_return_if_fail (region != NULL);
gdk_draw_context_begin_frame_full (context, FALSE, region);
@ -411,6 +415,7 @@ gdk_draw_context_end_frame (GdkDrawContext *context)
GdkDrawContextPrivate *priv = gdk_draw_context_get_instance_private (context);
g_return_if_fail (GDK_IS_DRAW_CONTEXT (context));
g_return_if_fail (priv->surface != NULL);
if (GDK_SURFACE_DESTROYED (priv->surface))
return;