mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-10-04 17:52:29 +00:00
gl: Add support for iOS EAGL platform
https://bugzilla.gnome.org/show_bug.cgi?id=703341
This commit is contained in:
parent
9d396a2495
commit
3770d2a406
10 changed files with 797 additions and 3 deletions
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@ -2,7 +2,7 @@
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lib_LTLIBRARIES = libgstgl-@GST_API_VERSION@.la
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lib_LTLIBRARIES = libgstgl-@GST_API_VERSION@.la
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SUBDIRS = glprototypes
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SUBDIRS = glprototypes
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DIST_SUBDIRS = glprototypes android x11 win32 cocoa wayland dispmanx egl
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DIST_SUBDIRS = glprototypes android x11 win32 cocoa wayland dispmanx egl eagl
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noinst_HEADERS =
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noinst_HEADERS =
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@ -87,6 +87,11 @@ SUBDIRS += android
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libgstgl_@GST_API_VERSION@_la_LIBADD += android/libgstgl-android.la
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libgstgl_@GST_API_VERSION@_la_LIBADD += android/libgstgl-android.la
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endif
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endif
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if HAVE_WINDOW_EAGL
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SUBDIRS += eagl
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libgstgl_@GST_API_VERSION@_la_LIBADD += eagl/libgstgl-eagl.la
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endif
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if USE_EGL
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if USE_EGL
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SUBDIRS += egl
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SUBDIRS += egl
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libgstgl_@GST_API_VERSION@_la_LIBADD += egl/libgstgl-egl.la
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libgstgl_@GST_API_VERSION@_la_LIBADD += egl/libgstgl-egl.la
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34
gst-libs/gst/gl/eagl/Makefile.am
Normal file
34
gst-libs/gst/gl/eagl/Makefile.am
Normal file
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@ -0,0 +1,34 @@
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## Process this file with automake to produce Makefile.in
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noinst_LTLIBRARIES = libgstgl-eagl.la
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libgstgl_eagl_la_SOURCES = \
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gstglwindow_eagl.m \
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gstglcontext_eagl.m
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noinst_HEADERS = \
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gstglwindow_eagl.h \
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gstglcontext_eagl.h
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libgstgl_eagl_la_CFLAGS = \
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-I$(top_srcdir)/gst-libs \
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-I$(top_builddir)/gst-libs \
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$(GL_CFLAGS) \
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$(GST_PLUGINS_BASE_CFLAGS) \
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$(GST_BASE_CFLAGS) \
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$(GST_CFLAGS)
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libgstgl_eagl_la_OBJCFLAGS = \
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-I$(top_srcdir)/gst-libs \
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-I$(top_builddir)/gst-libs \
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$(GL_CFLAGS) \
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$(GL_OBJCFLAGS) \
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$(GST_PLUGINS_BASE_CFLAGS) \
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$(GST_BASE_CFLAGS) \
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$(GST_CFLAGS)
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libgstgl_eagl_la_LDFLAGS = \
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$(GST_LIB_LDFLAGS) \
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$(GST_ALL_LDFLAGS)
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libgstgl_eagl_la_LIBTOOLFLAGS = $(GST_PLUGIN_LIBTOOLFLAGS) --tag=CC
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69
gst-libs/gst/gl/eagl/gstglcontext_eagl.h
Normal file
69
gst-libs/gst/gl/eagl/gstglcontext_eagl.h
Normal file
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@ -0,0 +1,69 @@
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/*
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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 under 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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#ifndef __GST_GL_CONTEXT_EAGL_H__
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#define __GST_GL_CONTEXT_EAGL_H__
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#include <gst/gst.h>
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#include <gst/gl/gl.h>
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G_BEGIN_DECLS
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#define GST_GL_TYPE_CONTEXT_EAGL (gst_gl_context_eagl_get_type())
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#define GST_GL_CONTEXT_EAGL(o) (G_TYPE_CHECK_INSTANCE_CAST((o), GST_GL_TYPE_CONTEXT_EAGL, GstGLContextEagl))
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#define GST_GL_CONTEXT_EAGL_CLASS(k) (G_TYPE_CHECK_CLASS((k), GST_GL_TYPE_CONTEXT_EAGL, GstGLContextEaglClass))
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#define GST_GL_IS_CONTEXT_EAGL(o) (G_TYPE_CHECK_INSTANCE_TYPE((o), GST_GL_TYPE_CONTEXT_EAGL))
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#define GST_GL_IS_CONTEXT_EAGL_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE((k), GST_GL_TYPE_CONTEXT_EAGL))
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#define GST_GL_CONTEXT_EAGL_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS((o), GST_GL_TYPE_CONTEXT_EAGL, GstGLContextEaglClass))
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typedef struct _GstGLContextEagl GstGLContextEagl;
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typedef struct _GstGLContextEaglPrivate GstGLContextEaglPrivate;
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typedef struct _GstGLContextEaglClass GstGLContextEaglClass;
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struct _GstGLContextEagl {
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/*< private >*/
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GstGLContext parent;
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/*< private >*/
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GstGLContextEaglPrivate *priv;
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gpointer _reserved[GST_PADDING];
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};
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struct _GstGLContextEaglClass {
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/*< private >*/
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GstGLContextClass parent_class;
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/*< private >*/
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gpointer _reserved[GST_PADDING_LARGE];
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GstGLContextEaglPrivate *priv;
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};
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GType gst_gl_context_eagl_get_type (void);
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GstGLContextEagl * gst_gl_context_eagl_new (void);
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void gst_gl_context_eagl_prepare_draw (GstGLContextEagl * context);
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void gst_gl_context_eagl_finish_draw (GstGLContextEagl * context);
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G_END_DECLS
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#endif /* __GST_GL_CONTEXT_EAGL_H__ */
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342
gst-libs/gst/gl/eagl/gstglcontext_eagl.m
Normal file
342
gst-libs/gst/gl/eagl/gstglcontext_eagl.m
Normal file
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@ -0,0 +1,342 @@
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/*
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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 under 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 <UIKit/UIKit.h>
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#include <OpenGLES/ES2/gl.h>
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#include "gstglcontext_eagl.h"
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static gboolean gst_gl_context_eagl_create_context (GstGLContext * context,
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GstGLAPI gl_api, GstGLContext * other_context, GError ** error);
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static void gst_gl_context_eagl_destroy_context (GstGLContext * context);
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static gboolean gst_gl_context_eagl_choose_format (GstGLContext * context,
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GError ** error);
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static guintptr gst_gl_context_eagl_get_gl_context (GstGLContext * window);
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static gboolean gst_gl_context_eagl_activate (GstGLContext * context,
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gboolean activate);
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static void gst_gl_context_eagl_swap_buffers (GstGLContext * context);
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static GstGLAPI gst_gl_context_eagl_get_gl_api (GstGLContext * context);
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static GstGLPlatform gst_gl_context_eagl_get_gl_platform (GstGLContext *
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context);
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struct _GstGLContextEaglPrivate
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{
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EAGLContext *eagl_context;
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/* Used if we render to a window */
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CAEAGLLayer *eagl_layer;
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GLuint framebuffer;
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GLuint color_renderbuffer;
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GLuint depth_renderbuffer;
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};
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#define GST_GL_CONTEXT_EAGL_GET_PRIVATE(o) \
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(G_TYPE_INSTANCE_GET_PRIVATE((o), GST_GL_TYPE_CONTEXT_EAGL, GstGLContextEaglPrivate))
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G_DEFINE_TYPE (GstGLContextEagl, gst_gl_context_eagl, GST_GL_TYPE_CONTEXT);
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static void
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gst_gl_context_eagl_class_init (GstGLContextEaglClass * klass)
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{
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GstGLContextClass *context_class;
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context_class = (GstGLContextClass *) klass;
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g_type_class_add_private (klass, sizeof (GstGLContextEaglPrivate));
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context_class->destroy_context =
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GST_DEBUG_FUNCPTR (gst_gl_context_eagl_destroy_context);
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context_class->create_context =
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GST_DEBUG_FUNCPTR (gst_gl_context_eagl_create_context);
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context_class->choose_format =
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GST_DEBUG_FUNCPTR (gst_gl_context_eagl_choose_format);
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context_class->get_gl_context =
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GST_DEBUG_FUNCPTR (gst_gl_context_eagl_get_gl_context);
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context_class->activate = GST_DEBUG_FUNCPTR (gst_gl_context_eagl_activate);
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context_class->swap_buffers =
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GST_DEBUG_FUNCPTR (gst_gl_context_eagl_swap_buffers);
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context_class->get_gl_api =
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GST_DEBUG_FUNCPTR (gst_gl_context_eagl_get_gl_api);
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context_class->get_gl_platform =
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GST_DEBUG_FUNCPTR (gst_gl_context_eagl_get_gl_platform);
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}
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static void
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gst_gl_context_eagl_init (GstGLContextEagl * context)
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{
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context->priv = GST_GL_CONTEXT_EAGL_GET_PRIVATE (context);
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}
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/* Must be called in the gl thread */
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GstGLContextEagl *
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gst_gl_context_eagl_new (void)
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{
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GstGLContextEagl *context = g_object_new (GST_GL_TYPE_CONTEXT_EAGL, NULL);
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return context;
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}
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static gboolean
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gst_gl_context_eagl_create_context (GstGLContext * context, GstGLAPI gl_api,
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GstGLContext * other_context, GError ** error)
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{
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GstGLContextEagl *context_eagl = GST_GL_CONTEXT_EAGL (context);
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GstGLContextEaglPrivate *priv = context_eagl->priv;
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GstGLWindow *window = gst_gl_context_get_window (context);
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UIView *window_handle = nil;
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dispatch_sync (dispatch_get_main_queue (), ^{
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if (other_context) {
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EAGLContext *external_gl_context = (EAGLContext *)
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gst_gl_context_get_gl_context (other_context);
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EAGLSharegroup *share_group = [external_gl_context sharegroup];
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priv->eagl_context = [[EAGLContext alloc] initWithAPI: kEAGLRenderingAPIOpenGLES2 sharegroup:share_group];
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[share_group release];
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} else {
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priv->eagl_context = [[EAGLContext alloc] initWithAPI:kEAGLRenderingAPIOpenGLES2];
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}
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});
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if (window)
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window_handle = (UIView *) gst_gl_window_get_window_handle (window);
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if (window_handle) {
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__block GLuint framebuffer;
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__block GLuint color_renderbuffer;
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__block GLuint depth_renderbuffer;
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__block GLint width;
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__block GLint height;
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__block CAEAGLLayer *eagl_layer;
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GLenum status;
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dispatch_sync (dispatch_get_main_queue (), ^{
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eagl_layer = (CAEAGLLayer *)[window_handle layer];
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[EAGLContext setCurrentContext:priv->eagl_context];
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/* Allocate framebuffer */
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glGenFramebuffers (1, &framebuffer);
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glBindFramebuffer (GL_FRAMEBUFFER, framebuffer);
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/* Allocate color render buffer */
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glGenRenderbuffers (1, &color_renderbuffer);
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glBindRenderbuffer (GL_RENDERBUFFER, color_renderbuffer);
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[priv->eagl_context renderbufferStorage: GL_RENDERBUFFER fromDrawable:eagl_layer];
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glFramebufferRenderbuffer (GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
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GL_RENDERBUFFER, color_renderbuffer);
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/* Get renderbuffer width/height */
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glGetRenderbufferParameteriv (GL_RENDERBUFFER, GL_RENDERBUFFER_WIDTH,
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&width);
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glGetRenderbufferParameteriv (GL_RENDERBUFFER, GL_RENDERBUFFER_HEIGHT,
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&height);
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/* allocate depth render buffer */
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glGenRenderbuffers (1, &depth_renderbuffer);
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glBindRenderbuffer (GL_RENDERBUFFER, depth_renderbuffer);
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glRenderbufferStorage (GL_RENDERBUFFER, GL_DEPTH_COMPONENT16, width,
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height);
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glFramebufferRenderbuffer (GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT,
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GL_RENDERBUFFER, depth_renderbuffer);
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[EAGLContext setCurrentContext:nil];
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});
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[EAGLContext setCurrentContext:priv->eagl_context];
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glBindFramebuffer (GL_FRAMEBUFFER, framebuffer);
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/* check creation status */
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status = glCheckFramebufferStatus (GL_FRAMEBUFFER);
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if (status != GL_FRAMEBUFFER_COMPLETE) {
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GST_ERROR ("Failed to make complete framebuffer object %x", status);
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if (window)
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gst_object_unref (window);
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return FALSE;
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}
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glBindFramebuffer (GL_FRAMEBUFFER, 0);
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priv->eagl_layer = eagl_layer;
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priv->framebuffer = framebuffer;
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priv->color_renderbuffer = color_renderbuffer;
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priv->depth_renderbuffer = depth_renderbuffer;
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} else {
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priv->eagl_layer = NULL;
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priv->framebuffer = 0;
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priv->color_renderbuffer = 0;
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priv->depth_renderbuffer = 0;
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}
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if (window)
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gst_object_unref (window);
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return TRUE;
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}
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static void
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gst_gl_context_eagl_destroy_context (GstGLContext * context)
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{
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GstGLContextEagl *context_eagl;
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context_eagl = GST_GL_CONTEXT_EAGL (context);
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if (!context_eagl->priv->eagl_context)
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return;
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if (context_eagl->priv->eagl_layer) {
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gst_gl_context_eagl_activate (context, TRUE);
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[context_eagl->priv->eagl_context renderbufferStorage: GL_RENDERBUFFER fromDrawable:nil];
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||||||
|
|
||||||
|
glDeleteFramebuffers (1, &context_eagl->priv->framebuffer);
|
||||||
|
context_eagl->priv->framebuffer = 0;
|
||||||
|
|
||||||
|
glDeleteRenderbuffers (1, &context_eagl->priv->depth_renderbuffer);
|
||||||
|
context_eagl->priv->depth_renderbuffer = 0;
|
||||||
|
glDeleteRenderbuffers (1, &context_eagl->priv->color_renderbuffer);
|
||||||
|
context_eagl->priv->color_renderbuffer = 0;
|
||||||
|
|
||||||
|
context_eagl->priv->eagl_layer = nil;
|
||||||
|
gst_gl_context_eagl_activate (context, FALSE);
|
||||||
|
}
|
||||||
|
|
||||||
|
[context_eagl->priv->eagl_context release];
|
||||||
|
context_eagl->priv->eagl_context = nil;
|
||||||
|
}
|
||||||
|
|
||||||
|
static gboolean
|
||||||
|
gst_gl_context_eagl_choose_format (GstGLContext * context, GError ** error)
|
||||||
|
{
|
||||||
|
GstGLContextEagl *context_eagl;
|
||||||
|
GstGLWindow *window;
|
||||||
|
UIView *window_handle = nil;
|
||||||
|
|
||||||
|
context_eagl = GST_GL_CONTEXT_EAGL (context);
|
||||||
|
window = gst_gl_context_get_window (context);
|
||||||
|
|
||||||
|
if (!window)
|
||||||
|
return TRUE;
|
||||||
|
|
||||||
|
if (window)
|
||||||
|
window_handle = (UIView *) gst_gl_window_get_window_handle (window);
|
||||||
|
|
||||||
|
if (!window_handle) {
|
||||||
|
gst_object_unref (window);
|
||||||
|
return TRUE;
|
||||||
|
}
|
||||||
|
|
||||||
|
dispatch_sync (dispatch_get_main_queue (), ^{
|
||||||
|
CAEAGLLayer *eagl_layer;
|
||||||
|
NSDictionary * dict =[NSDictionary dictionaryWithObjectsAndKeys:
|
||||||
|
[NSNumber numberWithBool:NO], kEAGLDrawablePropertyRetainedBacking,
|
||||||
|
kEAGLColorFormatRGBA8, kEAGLDrawablePropertyColorFormat, nil];
|
||||||
|
|
||||||
|
eagl_layer = (CAEAGLLayer *)[window_handle layer];
|
||||||
|
[eagl_layer setOpaque:YES];
|
||||||
|
[eagl_layer setDrawableProperties:dict];
|
||||||
|
});
|
||||||
|
|
||||||
|
gst_object_unref (window);
|
||||||
|
|
||||||
|
return TRUE;
|
||||||
|
}
|
||||||
|
|
||||||
|
static guintptr
|
||||||
|
gst_gl_context_eagl_get_gl_context (GstGLContext * context)
|
||||||
|
{
|
||||||
|
return (guintptr) GST_GL_CONTEXT_EAGL (context)->priv->eagl_context;
|
||||||
|
}
|
||||||
|
|
||||||
|
void
|
||||||
|
gst_gl_context_eagl_prepare_draw (GstGLContextEagl * context)
|
||||||
|
{
|
||||||
|
if (!context->priv->eagl_layer)
|
||||||
|
return;
|
||||||
|
|
||||||
|
glBindFramebuffer (GL_FRAMEBUFFER, context->priv->framebuffer);
|
||||||
|
glBindRenderbuffer (GL_RENDERBUFFER, context->priv->color_renderbuffer);
|
||||||
|
}
|
||||||
|
|
||||||
|
void
|
||||||
|
gst_gl_context_eagl_finish_draw (GstGLContextEagl * context)
|
||||||
|
{
|
||||||
|
if (!context->priv->eagl_layer)
|
||||||
|
return;
|
||||||
|
|
||||||
|
glBindRenderbuffer (GL_RENDERBUFFER, 0);
|
||||||
|
glBindFramebuffer (GL_FRAMEBUFFER, 0);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gst_gl_context_eagl_swap_buffers (GstGLContext * context)
|
||||||
|
{
|
||||||
|
GstGLContextEagl *context_eagl;
|
||||||
|
|
||||||
|
context_eagl = GST_GL_CONTEXT_EAGL (context);
|
||||||
|
|
||||||
|
if (!context_eagl->priv->eagl_layer)
|
||||||
|
return;
|
||||||
|
|
||||||
|
[context_eagl->priv->eagl_context presentRenderbuffer:GL_RENDERBUFFER];
|
||||||
|
}
|
||||||
|
|
||||||
|
static gboolean
|
||||||
|
gst_gl_context_eagl_activate (GstGLContext * context, gboolean activate)
|
||||||
|
{
|
||||||
|
GstGLContextEagl *context_eagl;
|
||||||
|
|
||||||
|
context_eagl = GST_GL_CONTEXT_EAGL (context);
|
||||||
|
|
||||||
|
if (activate) {
|
||||||
|
EAGLContext *cur_ctx =[EAGLContext currentContext];
|
||||||
|
|
||||||
|
if (cur_ctx == context_eagl->priv->eagl_context) {
|
||||||
|
GST_DEBUG ("Already attached the context to thread %p", g_thread_self ());
|
||||||
|
return TRUE;
|
||||||
|
}
|
||||||
|
|
||||||
|
GST_DEBUG ("Attaching context to thread %p", g_thread_self ());
|
||||||
|
if ([EAGLContext setCurrentContext:context_eagl->priv->eagl_context] == NO) {
|
||||||
|
GST_ERROR ("Couldn't make context current");
|
||||||
|
return FALSE;
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
GST_DEBUG ("Detaching context from thread %p", g_thread_self ());
|
||||||
|
if ([EAGLContext setCurrentContext:nil] == NO) {
|
||||||
|
GST_ERROR ("Couldn't unbind context");
|
||||||
|
return FALSE;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
return TRUE;
|
||||||
|
}
|
||||||
|
|
||||||
|
static GstGLAPI
|
||||||
|
gst_gl_context_eagl_get_gl_api (GstGLContext * context)
|
||||||
|
{
|
||||||
|
return GST_GL_API_GLES2;
|
||||||
|
}
|
||||||
|
|
||||||
|
static GstGLPlatform
|
||||||
|
gst_gl_context_eagl_get_gl_platform (GstGLContext * context)
|
||||||
|
{
|
||||||
|
return GST_GL_PLATFORM_EAGL;
|
||||||
|
}
|
||||||
|
|
64
gst-libs/gst/gl/eagl/gstglwindow_eagl.h
Normal file
64
gst-libs/gst/gl/eagl/gstglwindow_eagl.h
Normal file
|
@ -0,0 +1,64 @@
|
||||||
|
/*
|
||||||
|
* GStreamer
|
||||||
|
* Copyright (C) 2014 Sebastian Dröge <sebastian@centricular.com>
|
||||||
|
*
|
||||||
|
* This library is free software; you can redistribute it and/or
|
||||||
|
* modify it under 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.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef __GST_GL_WINDOW_EAGL_H__
|
||||||
|
#define __GST_GL_WINDOW_EAGL_H__
|
||||||
|
|
||||||
|
#include <gst/gst.h>
|
||||||
|
#include <gst/gl/gl.h>
|
||||||
|
|
||||||
|
G_BEGIN_DECLS
|
||||||
|
|
||||||
|
#define GST_GL_TYPE_WINDOW_EAGL (gst_gl_window_eagl_get_type())
|
||||||
|
#define GST_GL_WINDOW_EAGL(o) (G_TYPE_CHECK_INSTANCE_CAST((o), GST_GL_TYPE_WINDOW_EAGL, GstGLWindowEagl))
|
||||||
|
#define GST_GL_WINDOW_EAGL_CLASS(k) (G_TYPE_CHECK_CLASS((k), GST_GL_TYPE_WINDOW_EAGL, GstGLWindowEaglClass))
|
||||||
|
#define GST_GL_IS_WINDOW_EAGL(o) (G_TYPE_CHECK_INSTANCE_TYPE((o), GST_GL_TYPE_WINDOW_EAGL))
|
||||||
|
#define GST_GL_IS_WINDOW_EAGL_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE((k), GST_GL_TYPE_WINDOW_EAGL))
|
||||||
|
#define GST_GL_WINDOW_EAGL_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS((o), GST_GL_TYPE_WINDOW_EAGL, GstGLWindowEaglClass))
|
||||||
|
|
||||||
|
typedef struct _GstGLWindowEagl GstGLWindowEagl;
|
||||||
|
typedef struct _GstGLWindowEaglPrivate GstGLWindowEaglPrivate;
|
||||||
|
typedef struct _GstGLWindowEaglClass GstGLWindowEaglClass;
|
||||||
|
|
||||||
|
struct _GstGLWindowEagl {
|
||||||
|
/*< private >*/
|
||||||
|
GstGLWindow parent;
|
||||||
|
|
||||||
|
/*< private >*/
|
||||||
|
GstGLWindowEaglPrivate *priv;
|
||||||
|
|
||||||
|
gpointer _reserved[GST_PADDING];
|
||||||
|
};
|
||||||
|
|
||||||
|
struct _GstGLWindowEaglClass {
|
||||||
|
/*< private >*/
|
||||||
|
GstGLWindowClass parent_class;
|
||||||
|
|
||||||
|
/*< private >*/
|
||||||
|
gpointer _reserved[GST_PADDING_LARGE];
|
||||||
|
};
|
||||||
|
|
||||||
|
GType gst_gl_window_eagl_get_type (void);
|
||||||
|
|
||||||
|
GstGLWindowEagl * gst_gl_window_eagl_new (void);
|
||||||
|
|
||||||
|
G_END_DECLS
|
||||||
|
|
||||||
|
#endif /* __GST_GL_WINDOW_EAGL_H__ */
|
254
gst-libs/gst/gl/eagl/gstglwindow_eagl.m
Normal file
254
gst-libs/gst/gl/eagl/gstglwindow_eagl.m
Normal file
|
@ -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);
|
||||||
|
}
|
|
@ -54,8 +54,13 @@
|
||||||
#ifndef GL_GLEXT_PROTOTYPES
|
#ifndef GL_GLEXT_PROTOTYPES
|
||||||
#define GL_GLEXT_PROTOTYPES 1
|
#define GL_GLEXT_PROTOTYPES 1
|
||||||
#endif
|
#endif
|
||||||
|
# if __APPLE__
|
||||||
|
# include <OpenGLES/ES2/gl.h>
|
||||||
|
# include <OpenGLES/ES2/glext.h>
|
||||||
|
# else
|
||||||
# include <GLES2/gl2.h>
|
# include <GLES2/gl2.h>
|
||||||
# include <GLES2/gl2ext.h>
|
# include <GLES2/gl2ext.h>
|
||||||
|
# endif
|
||||||
# if !GST_GL_HAVE_OPENGL
|
# if !GST_GL_HAVE_OPENGL
|
||||||
# include <gst/gl/gstgles2.h>
|
# include <gst/gl/gstgles2.h>
|
||||||
# endif
|
# endif
|
||||||
|
@ -110,6 +115,7 @@ typedef enum
|
||||||
GST_GL_PLATFORM_GLX = (1 << 1),
|
GST_GL_PLATFORM_GLX = (1 << 1),
|
||||||
GST_GL_PLATFORM_WGL = (1 << 2),
|
GST_GL_PLATFORM_WGL = (1 << 2),
|
||||||
GST_GL_PLATFORM_CGL = (1 << 3),
|
GST_GL_PLATFORM_CGL = (1 << 3),
|
||||||
|
GST_GL_PLATFORM_EAGL = (1 << 4),
|
||||||
|
|
||||||
GST_GL_PLATFORM_ANY = G_MAXUINT32
|
GST_GL_PLATFORM_ANY = G_MAXUINT32
|
||||||
} GstGLPlatform;
|
} GstGLPlatform;
|
||||||
|
|
|
@ -61,6 +61,9 @@
|
||||||
#if GST_GL_HAVE_PLATFORM_WGL
|
#if GST_GL_HAVE_PLATFORM_WGL
|
||||||
#include "win32/gstglcontext_wgl.h"
|
#include "win32/gstglcontext_wgl.h"
|
||||||
#endif
|
#endif
|
||||||
|
#if GST_GL_HAVE_PLATFORM_EAGL
|
||||||
|
#include "eagl/gstglcontext_eagl.h"
|
||||||
|
#endif
|
||||||
|
|
||||||
#define USING_OPENGL(display) (display->gl_api & GST_GL_API_OPENGL)
|
#define USING_OPENGL(display) (display->gl_api & GST_GL_API_OPENGL)
|
||||||
#define USING_OPENGL3(display) (display->gl_api & GST_GL_API_OPENGL3)
|
#define USING_OPENGL3(display) (display->gl_api & GST_GL_API_OPENGL3)
|
||||||
|
@ -218,6 +221,10 @@ gst_gl_context_new (GstGLDisplay * display)
|
||||||
context = GST_GL_CONTEXT (gst_gl_context_wgl_new ());
|
context = GST_GL_CONTEXT (gst_gl_context_wgl_new ());
|
||||||
}
|
}
|
||||||
#endif
|
#endif
|
||||||
|
#if GST_GL_HAVE_PLATFORM_EAGL
|
||||||
|
if (!context && (!user_choice || g_strstr_len (user_choice, 5, "eagl")))
|
||||||
|
context = GST_GL_CONTEXT (gst_gl_context_eagl_new ());
|
||||||
|
#endif
|
||||||
|
|
||||||
if (!context) {
|
if (!context) {
|
||||||
/* subclass returned a NULL context */
|
/* subclass returned a NULL context */
|
||||||
|
|
|
@ -28,6 +28,12 @@
|
||||||
G_BEGIN_DECLS
|
G_BEGIN_DECLS
|
||||||
|
|
||||||
/* SUPPORTED */
|
/* SUPPORTED */
|
||||||
|
/* FIXME: On iOS this exists but maps to an actual BGRA extension */
|
||||||
|
#ifdef __APPLE__
|
||||||
|
#ifdef GL_BGRA
|
||||||
|
#undef GL_BGRA
|
||||||
|
#endif
|
||||||
|
#endif
|
||||||
|
|
||||||
//FIXME:
|
//FIXME:
|
||||||
#define GL_RGB16 GL_RGB565
|
#define GL_RGB16 GL_RGB565
|
||||||
|
|
|
@ -55,6 +55,9 @@
|
||||||
#if GST_GL_HAVE_WINDOW_ANDROID
|
#if GST_GL_HAVE_WINDOW_ANDROID
|
||||||
#include "android/gstglwindow_android_egl.h"
|
#include "android/gstglwindow_android_egl.h"
|
||||||
#endif
|
#endif
|
||||||
|
#if GST_GL_HAVE_WINDOW_EAGL
|
||||||
|
#include "eagl/gstglwindow_eagl.h"
|
||||||
|
#endif
|
||||||
#if GST_GL_HAVE_WINDOW_DISPMANX
|
#if GST_GL_HAVE_WINDOW_DISPMANX
|
||||||
#include "dispmanx/gstglwindow_dispmanx_egl.h"
|
#include "dispmanx/gstglwindow_dispmanx_egl.h"
|
||||||
#endif
|
#endif
|
||||||
|
@ -177,6 +180,10 @@ gst_gl_window_new (GstGLDisplay * display)
|
||||||
#if GST_GL_HAVE_WINDOW_ANDROID
|
#if GST_GL_HAVE_WINDOW_ANDROID
|
||||||
if (!window && (!user_choice || g_strstr_len (user_choice, 7, "android")))
|
if (!window && (!user_choice || g_strstr_len (user_choice, 7, "android")))
|
||||||
window = GST_GL_WINDOW (gst_gl_window_android_egl_new ());
|
window = GST_GL_WINDOW (gst_gl_window_android_egl_new ());
|
||||||
|
#endif
|
||||||
|
#if GST_GL_HAVE_WINDOW_EAGL
|
||||||
|
if (!window && (!user_choice || g_strstr_len (user_choice, 7, "eagl")))
|
||||||
|
window = GST_GL_WINDOW (gst_gl_window_eagl_new ());
|
||||||
#endif
|
#endif
|
||||||
if (!window) {
|
if (!window) {
|
||||||
/* subclass returned a NULL window */
|
/* subclass returned a NULL window */
|
||||||
|
|
Loading…
Reference in a new issue