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gldisplay: add a list of glwindow's

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With the event thread on the display, for a particular winsys event
we need to be able to retreive the window that the event matches.
This commit is contained in:
Matthew Waters 2016-06-30 23:12:33 +10:00
parent 1a6c4be242
commit e4916fb1ef
4 changed files with 102 additions and 2 deletions
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3
docs/libs/gst-plugins-bad-libs-sections.txt
View file

@ -1039,6 +1039,9 @@ gst_gl_display_add_context
gst_gl_display_get_gl_context_for_thread
gst_gl_display_get_handle
gst_gl_display_create_context
gst_gl_display_create_window
gst_gl_display_find_window
gst_gl_display_remove_window
gst_context_get_gl_display
gst_context_set_gl_display
<SUBSECTION Standard>

2
gst-libs/gst/gl/gstglcontext.c
View file

@ -255,7 +255,7 @@ _ensure_window (GstGLContext * context)
if (context->window)
return;
window = gst_gl_window_new (context->display);
window = gst_gl_display_create_window (context->display);
gst_gl_context_set_window (context, window);

91
gst-libs/gst/gl/gstgldisplay.c
View file

@ -98,6 +98,8 @@ static guint gst_gl_display_signals[LAST_SIGNAL] = { 0 };
static void gst_gl_display_dispose (GObject * object);
static void gst_gl_display_finalize (GObject * object);
static guintptr gst_gl_display_default_get_handle (GstGLDisplay * display);
static GstGLWindow *gst_gl_display_default_create_window (GstGLDisplay *
display);
struct _GstGLDisplayPrivate
{
@ -169,6 +171,7 @@ gst_gl_display_class_init (GstGLDisplayClass * klass)
GST_TYPE_GL_CONTEXT, 1, GST_TYPE_GL_CONTEXT);
klass->get_handle = gst_gl_display_default_get_handle;
klass->create_window = gst_gl_display_default_create_window;
G_OBJECT_CLASS (klass)->finalize = gst_gl_display_finalize;
G_OBJECT_CLASS (klass)->dispose = gst_gl_display_dispose;
@ -512,6 +515,94 @@ gst_gl_display_create_context (GstGLDisplay * display,
return ret;
}
/**
* gst_gl_display_create_window:
* @display: a #GstGLDisplay
*
* It requires the display's object lock to be held.
*
* Returns: a new #GstGLWindow for @display or %NULL.
*/
GstGLWindow *
gst_gl_display_create_window (GstGLDisplay * display)
{
GstGLDisplayClass *klass;
GstGLWindow *window;
g_return_val_if_fail (GST_IS_GL_DISPLAY (display), NULL);
klass = GST_GL_DISPLAY_GET_CLASS (display);
g_return_val_if_fail (klass->create_window != NULL, NULL);
window = klass->create_window (display);
if (window)
display->windows = g_list_prepend (display->windows, window);
return window;
}
static GstGLWindow *
gst_gl_display_default_create_window (GstGLDisplay * display)
{
return gst_gl_window_new (display);
}
/**
* gst_gl_display_remove_window:
* @display: a #GstGLDisplay
* @window: a #GstGLWindow to remove
*
* Returns: if @window could be removed from @display
*
* Since: 1.12
*/
gboolean
gst_gl_display_remove_window (GstGLDisplay * display, GstGLWindow * window)
{
gboolean ret = FALSE;
GList *l;
GST_OBJECT_LOCK (display);
l = g_list_find (display->windows, window);
if (l) {
display->windows = g_list_delete_link (display->windows, l);
ret = TRUE;
}
GST_OBJECT_UNLOCK (display);
return ret;
}
/**
* gst_gl_display_find_window:
* @display: a #GstGLDisplay
* @data: some data to pass to @compare_func
* @compare_func: a comparison function to run
*
* Execute @compare_func over the list of windows stored by @display. The
* first argment to @compare_func is the #GstGLWindow being checked and the
* second argument is @data.
*
* Returns: The first #GstGLWindow that causes a match from @compare_func
*
* Since: 1.12
*/
GstGLWindow *
gst_gl_display_find_window (GstGLDisplay * display, gpointer data,
GCompareFunc compare_func)
{
GstGLWindow *ret = NULL;
GList *l;
GST_OBJECT_LOCK (display);
l = g_list_find_custom (display->windows, data, compare_func);
if (l)
ret = l->data;
GST_OBJECT_UNLOCK (display);
return ret;
}
static GstGLContext *
_get_gl_context_for_thread_unlocked (GstGLDisplay * display, GThread * thread)
{

8
gst-libs/gst/gl/gstgldisplay.h
View file

@ -79,6 +79,7 @@ struct _GstGLDisplay
GstGLDisplayType type;
/* <protected> */
GList *windows; /* OBJECT lock */
GMainContext *main_context;
GMainLoop *main_loop;
GSource *event_source;
@ -90,7 +91,8 @@ struct _GstGLDisplayClass
{
GstObjectClass object_class;
guintptr (*get_handle) (GstGLDisplay * display);
guintptr (*get_handle) (GstGLDisplay * display);
GstGLWindow * (*create_window) (GstGLDisplay * display);
/* <private> */
gpointer _padding[GST_PADDING];
@ -130,6 +132,10 @@ GST_EXPORT
gboolean gst_gl_display_add_context (GstGLDisplay * display,
GstGLContext * context);
GstGLWindow * gst_gl_display_create_window (GstGLDisplay * display);
gboolean gst_gl_display_remove_window (GstGLDisplay * display, GstGLWindow * window);
GstGLWindow * gst_gl_display_find_window (GstGLDisplay * display, gpointer data, GCompareFunc compar_func);
G_END_DECLS
#endif /* __GST_GL_DISPLAY_H__ */