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[831/906] glimagesink: avoid to overload the drawer if already drawing

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Especially if the application calls gst_video_overlay_expose a lot
This commit is contained in:
Julien Isorce 2013-11-06 21:55:49 +00:00 committed by Matthew Waters
parent 7f3ad8f445
commit c775bf584b
3 changed files with 19 additions and 6 deletions
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9
gst-libs/gst/gl/gstglwindow.c
View file

@ -107,6 +107,8 @@ gst_gl_window_init (GstGLWindow * window)
g_cond_init (&window->priv->cond_destroy_context);
window->priv->context_created = FALSE;
window->is_drawing = FALSE;
g_weak_ref_init (&window->context_ref, NULL);
}
@ -221,6 +223,13 @@ gst_gl_window_draw (GstGLWindow * window, guint width, guint height)
g_return_if_fail (window_class->draw != NULL);
GST_GL_WINDOW_LOCK (window);
/* avoid to overload the drawer */
if (window->is_drawing) {
GST_GL_WINDOW_UNLOCK (window);
return;
}
window_class->draw (window, width, height);
GST_GL_WINDOW_UNLOCK (window);
}

2
gst-libs/gst/gl/gstglwindow.h
View file

@ -76,6 +76,8 @@ struct _GstGLWindow {
guintptr external_gl_context;
gboolean is_drawing;
GstGLWindowCB draw;
gpointer draw_data;
GDestroyNotify draw_notify;

14
gst/gl/gstglimagesink.c
View file

@ -984,6 +984,7 @@ gst_glimage_sink_on_draw (const GstGLImageSink * gl_sink)
*/
const GstGLFuncs *gl = NULL;
GstGLWindow *window = NULL;
g_return_if_fail (GST_IS_GLIMAGE_SINK (gl_sink));
@ -997,6 +998,9 @@ gst_glimage_sink_on_draw (const GstGLImageSink * gl_sink)
return;
}
window = gst_gl_context_get_window (gl_sink->context);
window->is_drawing = TRUE;
/* opengl scene */
GST_TRACE ("redrawing texture:%u", gl_sink->redisplay_texture);
@ -1019,15 +1023,10 @@ gst_glimage_sink_on_draw (const GstGLImageSink * gl_sink)
GST_VIDEO_INFO_HEIGHT (&gl_sink->info),
gl_sink->client_data);
if (doRedisplay) {
GstGLWindow *window = gst_gl_context_get_window (gl_sink->context);
if (doRedisplay)
gst_gl_window_draw_unlocked (window,
GST_VIDEO_INFO_WIDTH (&gl_sink->info),
GST_VIDEO_INFO_HEIGHT (&gl_sink->info));
gst_object_unref (window);
}
}
/* default opengl scene */
else {
@ -1103,6 +1102,9 @@ gst_glimage_sink_on_draw (const GstGLImageSink * gl_sink)
#endif
} /* end default opengl scene */
window->is_drawing = FALSE;
gst_object_unref (window);
GST_GLIMAGE_SINK_UNLOCK (gl_sink);
}