mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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This reverts commit 797d6415df
.
We're frozen for 1.8.0 release and this change might have bigger impact.
174 lines
5.1 KiB
Objective-C
174 lines
5.1 KiB
Objective-C
/*
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* GStreamer
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* Copyright (C) 2014 Sebastian Dröge <sebastian@centricular.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it un der the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#import <OpenGLES/EAGL.h>
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#import <QuartzCore/QuartzCore.h>
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#import <UIKit/UIKit.h>
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#include "gstglwindow_eagl.h"
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#include "gstglcontext_eagl.h"
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#define GST_GL_WINDOW_EAGL_GET_PRIVATE(o) \
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(G_TYPE_INSTANCE_GET_PRIVATE((o), GST_GL_TYPE_WINDOW_EAGL, GstGLWindowEaglPrivate))
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#define GST_CAT_DEFAULT gst_gl_window_eagl_debug
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GST_DEBUG_CATEGORY_STATIC (GST_CAT_DEFAULT);
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#define DEBUG_INIT \
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GST_DEBUG_CATEGORY_GET (GST_CAT_DEFAULT, "glwindow");
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#define gst_gl_window_eagl_parent_class parent_class
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G_DEFINE_TYPE_WITH_CODE (GstGLWindowEagl, gst_gl_window_eagl,
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GST_GL_TYPE_WINDOW, DEBUG_INIT);
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static guintptr gst_gl_window_eagl_get_display (GstGLWindow * window);
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static guintptr gst_gl_window_eagl_get_window_handle (GstGLWindow * window);
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static void gst_gl_window_eagl_set_window_handle (GstGLWindow * window,
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guintptr handle);
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static void gst_gl_window_eagl_set_preferred_size (GstGLWindow * window,
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gint width, gint height);
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static void gst_gl_window_eagl_draw (GstGLWindow * window);
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struct _GstGLWindowEaglPrivate
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{
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UIView *view;
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gint window_width, window_height;
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gint preferred_width, preferred_height;
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};
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static void
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gst_gl_window_eagl_class_init (GstGLWindowEaglClass * klass)
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{
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GstGLWindowClass *window_class = (GstGLWindowClass *) klass;
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g_type_class_add_private (klass, sizeof (GstGLWindowEaglPrivate));
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window_class->get_display =
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GST_DEBUG_FUNCPTR (gst_gl_window_eagl_get_display);
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window_class->get_window_handle =
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GST_DEBUG_FUNCPTR (gst_gl_window_eagl_get_window_handle);
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window_class->set_window_handle =
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GST_DEBUG_FUNCPTR (gst_gl_window_eagl_set_window_handle);
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window_class->draw = GST_DEBUG_FUNCPTR (gst_gl_window_eagl_draw);
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window_class->set_preferred_size =
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GST_DEBUG_FUNCPTR (gst_gl_window_eagl_set_preferred_size);
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}
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static void
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gst_gl_window_eagl_init (GstGLWindowEagl * window)
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{
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window->priv = GST_GL_WINDOW_EAGL_GET_PRIVATE (window);
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}
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/* Must be called in the gl thread */
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GstGLWindowEagl *
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gst_gl_window_eagl_new (GstGLDisplay * display)
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{
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/* there isn't an eagl display type */
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return g_object_new (GST_GL_TYPE_WINDOW_EAGL, NULL);
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}
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static guintptr
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gst_gl_window_eagl_get_display (GstGLWindow * window)
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{
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return 0;
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}
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static guintptr
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gst_gl_window_eagl_get_window_handle (GstGLWindow * window)
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{
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return (guintptr) GST_GL_WINDOW_EAGL (window)->priv->view;
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}
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static void
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gst_gl_window_eagl_set_window_handle (GstGLWindow * window, guintptr handle)
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{
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GstGLWindowEagl *window_eagl;
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GstGLContext *context;
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window_eagl = GST_GL_WINDOW_EAGL (window);
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context = gst_gl_window_get_context (window);
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window_eagl->priv->view = (UIView *) handle;
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GST_INFO_OBJECT (context, "handle set, updating layer");
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gst_gl_context_eagl_update_layer (context);
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gst_object_unref (context);
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}
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static void
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gst_gl_window_eagl_set_preferred_size (GstGLWindow * window, gint width, gint height)
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{
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GstGLWindowEagl *window_eagl = GST_GL_WINDOW_EAGL (window);
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window_eagl->priv->preferred_width = width;
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window_eagl->priv->preferred_height = height;
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}
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static void
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draw_cb (gpointer data)
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{
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GstGLWindowEagl *window_eagl = data;
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GstGLWindow *window = GST_GL_WINDOW (window_eagl);
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GstGLContext *context = gst_gl_window_get_context (window);
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GstGLContextEagl *eagl_context = GST_GL_CONTEXT_EAGL (context);
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GstGLContextClass *context_class = GST_GL_CONTEXT_GET_CLASS (context);
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if (window_eagl->priv->view) {
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CGSize size;
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CAEAGLLayer *eagl_layer;
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eagl_layer = (CAEAGLLayer *)[window_eagl->priv->view layer];
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size = eagl_layer.frame.size;
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if (window->queue_resize || window_eagl->priv->window_width != size.width ||
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window_eagl->priv->window_height != size.height) {
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window_eagl->priv->window_width = size.width;
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window_eagl->priv->window_height = size.height;
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gst_gl_context_eagl_resize (eagl_context);
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gst_gl_window_resize (window, window_eagl->priv->window_width,
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window_eagl->priv->window_height);
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}
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}
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gst_gl_context_eagl_prepare_draw (eagl_context);
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if (window->draw)
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window->draw (window->draw_data);
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context_class->swap_buffers (context);
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gst_gl_context_eagl_finish_draw (eagl_context);
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gst_object_unref (context);
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}
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static void
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gst_gl_window_eagl_draw (GstGLWindow * window)
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{
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gst_gl_window_send_message (window, (GstGLWindowCB) draw_cb, window);
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}
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