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glcontext: add API to retreive the thread that context is active in

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Matthew Waters 2014-09-21 21:30:58 +10:00 committed by Tim-Philipp Müller
parent 4f6e9f4e41
commit 4e75ceba46
2 changed files with 25 additions and 0 deletions
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24
gst-libs/gst/gl/gstglcontext.c
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@ -139,6 +139,7 @@ struct _GstGLContextPrivate
GstGLDisplay *display;
GThread *gl_thread;
GThread *active_thread;
/* conditions */
GMutex render_lock;
@ -407,11 +408,34 @@ gst_gl_context_activate (GstGLContext * context, gboolean activate)
context_class = GST_GL_CONTEXT_GET_CLASS (context);
g_return_val_if_fail (context_class->activate != NULL, FALSE);
GST_OBJECT_LOCK (context);
result = context_class->activate (context, activate);
context->priv->active_thread = result
&& activate ? context->priv->gl_thread : NULL;
GST_OBJECT_UNLOCK (context);
return result;
}
/**
* gst_gl_context_get_thread:
* @context: a #GstGLContext
*
* Returns: The #GThread, @context is current in or NULL
*/
GThread *
gst_gl_context_get_thread (GstGLContext * context)
{
GThread *ret;
GST_OBJECT_LOCK (context);
ret = context->priv->active_thread;
GST_OBJECT_UNLOCK (context);
return ret;
}
/**
* gst_gl_context_get_gl_api:
* @context: a #GstGLContext

1
gst-libs/gst/gl/gstglcontext.h
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@ -120,6 +120,7 @@ GstGLContext * gst_gl_context_new_wrapped (GstGLDisplay *display,
GstGLAPI available_apis);
gboolean gst_gl_context_activate (GstGLContext *context, gboolean activate);
GThread * gst_gl_context_get_thread (GstGLContext *context);
GstGLDisplay * gst_gl_context_get_display (GstGLContext *context);
gpointer gst_gl_context_get_proc_address (GstGLContext *context, const gchar *name);