gdkgl: Don't constantly re-create the tmp framebuffer

1 files changed, 23 insertions, 0 deletions

diff --git a/gdk/gdkglcontext.c b/gdk/gdkglcontext.c
index 697eb2ffa3..1628e51ced 100644
--- a/gdk/gdkglcontext.c
+++ b/gdk/gdkglcontext.c
@@ -87,6 +87,7 @@ typedef struct {
   guint realized : 1;
   guint use_texture_rectangle : 1;
 
+  GdkGLContextPaintData *paint_data;
 } GdkGLContextPrivate;
 
 enum {
@@ -127,6 +128,15 @@ gdk_gl_context_dispose (GObject *gobject)
 }
 
 static void
+gdk_gl_context_finalize (GObject *gobject)
+{
+  GdkGLContext *context = GDK_GL_CONTEXT (gobject);
+  GdkGLContextPrivate *priv = gdk_gl_context_get_instance_private (context);
+
+  g_clear_pointer (&priv->paint_data, g_free);
+}
+
+static void
 gdk_gl_context_set_property (GObject      *gobject,
                              guint         prop_id,
                              const GValue *value,
@@ -286,6 +296,7 @@ gdk_gl_context_class_init (GdkGLContextClass *klass)
   gobject_class->set_property = gdk_gl_context_set_property;
   gobject_class->get_property = gdk_gl_context_get_property;
   gobject_class->dispose = gdk_gl_context_dispose;
+  gobject_class->finalize = gdk_gl_context_finalize;
 
   g_object_class_install_properties (gobject_class, LAST_PROP, obj_pspecs);
 }
@@ -319,6 +330,18 @@ gdk_gl_context_end_frame (GdkGLContext   *context,
   GDK_GL_CONTEXT_GET_CLASS (context)->end_frame (context, painted, damage);
 }
 
+GdkGLContextPaintData *
+gdk_gl_context_get_paint_data (GdkGLContext *context)
+{
+
+  GdkGLContextPrivate *priv = gdk_gl_context_get_instance_private (context);
+
+  if (priv->paint_data == NULL)
+    priv->paint_data = g_new0 (GdkGLContextPaintData, 1);
+
+  return priv->paint_data;
+}
+
 gboolean
 gdk_gl_context_use_texture_rectangle (GdkGLContext *context)
 {