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/*
* 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 <QuartzCore/QuartzCore.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_set_preferred_size (GstGLWindow * window,
gint width, gint height);
static void gst_gl_window_eagl_draw (GstGLWindow * window);
struct _GstGLWindowEaglPrivate
{
UIView *view;
gint window_width, window_height;
gint preferred_width, preferred_height;
};
static void
gst_gl_window_eagl_class_init (GstGLWindowEaglClass * klass)
{
GstGLWindowClass *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 = GST_DEBUG_FUNCPTR (gst_gl_window_eagl_draw);
window_class->set_preferred_size =
GST_DEBUG_FUNCPTR (gst_gl_window_eagl_set_preferred_size);
}
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 (GstGLDisplay * display)
{
/* there isn't an eagl display type */
return g_object_new (GST_GL_TYPE_WINDOW_EAGL, NULL);
}
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;
GstGLContext *context;
window_eagl = GST_GL_WINDOW_EAGL (window);
context = gst_gl_window_get_context (window);
window_eagl->priv->view = (UIView *) handle;
GST_INFO_OBJECT (context, "handle set, updating layer");
gst_gl_context_eagl_update_layer (context);
gst_object_unref (context);
}
static void
gst_gl_window_eagl_set_preferred_size (GstGLWindow * window, gint width, gint height)
{
GstGLWindowEagl *window_eagl = GST_GL_WINDOW_EAGL (window);
window_eagl->priv->preferred_width = width;
window_eagl->priv->preferred_height = height;
}
static void
draw_cb (gpointer data)
{
GstGLWindowEagl *window_eagl = data;
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);
if (window_eagl->priv->view) {
CGSize size;
CAEAGLLayer *eagl_layer;
eagl_layer = (CAEAGLLayer *)[window_eagl->priv->view layer];
size = eagl_layer.frame.size;
if (window->queue_resize || window_eagl->priv->window_width != size.width ||
window_eagl->priv->window_height != size.height) {
window_eagl->priv->window_width = size.width;
window_eagl->priv->window_height = size.height;
gst_gl_context_eagl_resize (eagl_context);
gst_gl_window_resize (window, window_eagl->priv->window_width,
window_eagl->priv->window_height);
}
}
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)
{
gst_gl_window_send_message (window, (GstGLWindowCB) draw_cb, window);
}
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