1 files changed, 254 insertions, 0 deletions
diff --git a/gst-libs/gst/gl/eagl/gstglwindow_eagl.m b/gst-libs/gst/gl/eagl/gstglwindow_eagl.m
new file mode 100644
index 000000000..c9f4c3f18
--- /dev/null
+++ b/gst-libs/gst/gl/eagl/gstglwindow_eagl.m
@@ -0,0 +1,254 @@
+/*
+ * GStreamer
+ * Copyright (C) 2014 Sebastian Dröge <sebastian@centricular.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it un der the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#import <OpenGLES/EAGL.h>
+#import <UIKit/UIKit.h>
+
+#include "gstglwindow_eagl.h"
+#include "gstglcontext_eagl.h"
+
+#define GST_GL_WINDOW_EAGL_GET_PRIVATE(o)  \
+  (G_TYPE_INSTANCE_GET_PRIVATE((o), GST_GL_TYPE_WINDOW_EAGL, GstGLWindowEaglPrivate))
+
+#define GST_CAT_DEFAULT gst_gl_window_eagl_debug
+GST_DEBUG_CATEGORY_STATIC (GST_CAT_DEFAULT);
+
+#define DEBUG_INIT \
+  GST_DEBUG_CATEGORY_GET (GST_CAT_DEFAULT, "glwindow");
+#define gst_gl_window_eagl_parent_class parent_class
+G_DEFINE_TYPE_WITH_CODE (GstGLWindowEagl, gst_gl_window_eagl,
+    GST_GL_TYPE_WINDOW, DEBUG_INIT);
+
+static guintptr gst_gl_window_eagl_get_display (GstGLWindow * window);
+static guintptr gst_gl_window_eagl_get_window_handle (GstGLWindow * window);
+static void gst_gl_window_eagl_set_window_handle (GstGLWindow * window,
+    guintptr handle);
+static void gst_gl_window_eagl_draw (GstGLWindow * window, guint width,
+    guint height);
+static void gst_gl_window_eagl_run (GstGLWindow * window);
+static void gst_gl_window_eagl_quit (GstGLWindow * window);
+static void gst_gl_window_eagl_send_message_async (GstGLWindow * window,
+    GstGLWindowCB callback, gpointer data, GDestroyNotify destroy);
+static gboolean gst_gl_window_eagl_open (GstGLWindow * window, GError ** error);
+static void gst_gl_window_eagl_close (GstGLWindow * window);
+
+struct _GstGLWindowEaglPrivate
+{
+  UIView *view;
+
+  GMainContext *main_context;
+  GMainLoop *loop;
+};
+
+static void
+gst_gl_window_eagl_class_init (GstGLWindowEaglClass * klass)
+{
+  GstGLWindowClass *window_class;
+
+  window_class = (GstGLWindowClass *) klass;
+
+  g_type_class_add_private (klass, sizeof (GstGLWindowEaglPrivate));
+
+  window_class->get_display =
+      GST_DEBUG_FUNCPTR (gst_gl_window_eagl_get_display);
+  window_class->get_window_handle =
+      GST_DEBUG_FUNCPTR (gst_gl_window_eagl_get_window_handle);
+  window_class->set_window_handle =
+      GST_DEBUG_FUNCPTR (gst_gl_window_eagl_set_window_handle);
+  window_class->draw_unlocked = GST_DEBUG_FUNCPTR (gst_gl_window_eagl_draw);
+  window_class->draw = GST_DEBUG_FUNCPTR (gst_gl_window_eagl_draw);
+  window_class->run = GST_DEBUG_FUNCPTR (gst_gl_window_eagl_run);
+  window_class->quit = GST_DEBUG_FUNCPTR (gst_gl_window_eagl_quit);
+  window_class->send_message_async =
+      GST_DEBUG_FUNCPTR (gst_gl_window_eagl_send_message_async);
+  window_class->open = GST_DEBUG_FUNCPTR (gst_gl_window_eagl_open);
+  window_class->close = GST_DEBUG_FUNCPTR (gst_gl_window_eagl_close);
+}
+
+static void
+gst_gl_window_eagl_init (GstGLWindowEagl * window)
+{
+  window->priv = GST_GL_WINDOW_EAGL_GET_PRIVATE (window);
+}
+
+/* Must be called in the gl thread */
+GstGLWindowEagl *
+gst_gl_window_eagl_new (void)
+{
+  GstGLWindowEagl *window = g_object_new (GST_GL_TYPE_WINDOW_EAGL, NULL);
+
+  return window;
+}
+
+static guintptr
+gst_gl_window_eagl_get_display (GstGLWindow * window)
+{
+  return 0;
+}
+
+static guintptr
+gst_gl_window_eagl_get_window_handle (GstGLWindow * window)
+{
+  return (guintptr) GST_GL_WINDOW_EAGL (window)->priv->view;
+}
+
+static void
+gst_gl_window_eagl_set_window_handle (GstGLWindow * window, guintptr handle)
+{
+  GstGLWindowEagl *window_eagl;
+
+  window_eagl = GST_GL_WINDOW_EAGL (window);
+
+  window_eagl->priv->view = (UIView *) handle;
+}
+
+static gboolean
+gst_gl_window_eagl_open (GstGLWindow * window, GError ** error)
+{
+  GstGLWindowEagl *window_eagl;
+
+  window_eagl = GST_GL_WINDOW_EAGL (window);
+
+  window_eagl->priv->main_context = g_main_context_new ();
+  window_eagl->priv->loop =
+      g_main_loop_new (window_eagl->priv->main_context, FALSE);
+
+  return TRUE;
+}
+
+static void
+gst_gl_window_eagl_close (GstGLWindow * window)
+{
+  GstGLWindowEagl *window_eagl;
+
+  window_eagl = GST_GL_WINDOW_EAGL (window);
+
+  g_main_loop_unref (window_eagl->priv->loop);
+  g_main_context_unref (window_eagl->priv->main_context);
+}
+
+static void
+gst_gl_window_eagl_run (GstGLWindow * window)
+{
+  GstGLWindowEagl *window_eagl;
+
+  window_eagl = GST_GL_WINDOW_EAGL (window);
+
+  GST_LOG ("starting main loop");
+  g_main_loop_run (window_eagl->priv->loop);
+  GST_LOG ("exiting main loop");
+}
+
+static void
+gst_gl_window_eagl_quit (GstGLWindow * window)
+{
+  GstGLWindowEagl *window_eagl;
+
+  window_eagl = GST_GL_WINDOW_EAGL (window);
+
+  GST_LOG ("sending quit");
+
+  g_main_loop_quit (window_eagl->priv->loop);
+
+  GST_LOG ("quit sent");
+}
+
+typedef struct _GstGLMessage
+{
+  GstGLWindowCB callback;
+  gpointer data;
+  GDestroyNotify destroy;
+} GstGLMessage;
+
+static gboolean
+_run_message (GstGLMessage * message)
+{
+  if (message->callback)
+    message->callback (message->data);
+
+  if (message->destroy)
+    message->destroy (message->data);
+
+  g_slice_free (GstGLMessage, message);
+
+  return FALSE;
+}
+
+static void
+gst_gl_window_eagl_send_message_async (GstGLWindow * window,
+    GstGLWindowCB callback, gpointer data, GDestroyNotify destroy)
+{
+  GstGLWindowEagl *window_eagl;
+  GstGLMessage *message;
+
+  window_eagl = GST_GL_WINDOW_EAGL (window);
+  message = g_slice_new (GstGLMessage);
+
+  message->callback = callback;
+  message->data = data;
+  message->destroy = destroy;
+
+  g_main_context_invoke (window_eagl->priv->main_context,
+      (GSourceFunc) _run_message, message);
+}
+
+struct draw
+{
+  GstGLWindowEagl *window;
+  guint width, height;
+};
+
+static void
+draw_cb (gpointer data)
+{
+  struct draw *draw_data = data;
+  GstGLWindowEagl *window_eagl = draw_data->window;
+  GstGLWindow *window = GST_GL_WINDOW (window_eagl);
+  GstGLContext *context = gst_gl_window_get_context (window);
+  GstGLContextEagl *eagl_context = GST_GL_CONTEXT_EAGL (context);
+  GstGLContextClass *context_class = GST_GL_CONTEXT_GET_CLASS (context);
+
+  gst_gl_context_eagl_prepare_draw (eagl_context);
+
+  if (window->draw)
+    window->draw (window->draw_data);
+
+  context_class->swap_buffers (context);
+
+  gst_gl_context_eagl_finish_draw (eagl_context);
+
+  gst_object_unref (context);
+}
+
+static void
+gst_gl_window_eagl_draw (GstGLWindow * window, guint width, guint height)
+{
+  struct draw draw_data;
+
+  draw_data.window = GST_GL_WINDOW_EAGL (window);
+  draw_data.width = width;
+  draw_data.height = height;
+
+  gst_gl_window_send_message (window, (GstGLWindowCB) draw_cb, &draw_data);
+}