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authorSebastian Dröge <sebastian@centricular.com>2014-04-12 21:43:50 +0200
committerSebastian Dröge <sebastian@centricular.com>2014-04-12 22:25:13 +0200
commitae81268565e79c7088a9fda6a10b8650b44e3643 (patch)
tree0ba5d9f73eb2f98d2618f6e323fbd6f427dae9f2 /gst-libs
parent6b2c24d0c48c395c8aee4ce7e2823d30944aac00 (diff)
gl: Add support for iOS EAGL platform
https://bugzilla.gnome.org/show_bug.cgi?id=703341
Diffstat (limited to 'gst-libs')
-rw-r--r--gst-libs/gst/gl/Makefile.am7
-rw-r--r--gst-libs/gst/gl/eagl/Makefile.am34
-rw-r--r--gst-libs/gst/gl/eagl/gstglcontext_eagl.h69
-rw-r--r--gst-libs/gst/gl/eagl/gstglcontext_eagl.m342
-rw-r--r--gst-libs/gst/gl/eagl/gstglwindow_eagl.h64
-rw-r--r--gst-libs/gst/gl/eagl/gstglwindow_eagl.m254
-rw-r--r--gst-libs/gst/gl/gstglapi.h10
-rw-r--r--gst-libs/gst/gl/gstglcontext.c7
-rw-r--r--gst-libs/gst/gl/gstgles2.h6
-rw-r--r--gst-libs/gst/gl/gstglwindow.c7
10 files changed, 797 insertions, 3 deletions
diff --git a/gst-libs/gst/gl/Makefile.am b/gst-libs/gst/gl/Makefile.am
index bfda193d7..bdc05f623 100644
--- a/gst-libs/gst/gl/Makefile.am
+++ b/gst-libs/gst/gl/Makefile.am
@@ -2,7 +2,7 @@
lib_LTLIBRARIES = libgstgl-@GST_API_VERSION@.la
SUBDIRS = glprototypes
-DIST_SUBDIRS = glprototypes android x11 win32 cocoa wayland dispmanx egl
+DIST_SUBDIRS = glprototypes android x11 win32 cocoa wayland dispmanx egl eagl
noinst_HEADERS =
@@ -87,6 +87,11 @@ SUBDIRS += android
libgstgl_@GST_API_VERSION@_la_LIBADD += android/libgstgl-android.la
endif
+if HAVE_WINDOW_EAGL
+SUBDIRS += eagl
+libgstgl_@GST_API_VERSION@_la_LIBADD += eagl/libgstgl-eagl.la
+endif
+
if USE_EGL
SUBDIRS += egl
libgstgl_@GST_API_VERSION@_la_LIBADD += egl/libgstgl-egl.la
diff --git a/gst-libs/gst/gl/eagl/Makefile.am b/gst-libs/gst/gl/eagl/Makefile.am
new file mode 100644
index 000000000..03ef61f61
--- /dev/null
+++ b/gst-libs/gst/gl/eagl/Makefile.am
@@ -0,0 +1,34 @@
+## Process this file with automake to produce Makefile.in
+
+noinst_LTLIBRARIES = libgstgl-eagl.la
+
+libgstgl_eagl_la_SOURCES = \
+ gstglwindow_eagl.m \
+ gstglcontext_eagl.m
+
+noinst_HEADERS = \
+ gstglwindow_eagl.h \
+ gstglcontext_eagl.h
+
+libgstgl_eagl_la_CFLAGS = \
+ -I$(top_srcdir)/gst-libs \
+ -I$(top_builddir)/gst-libs \
+ $(GL_CFLAGS) \
+ $(GST_PLUGINS_BASE_CFLAGS) \
+ $(GST_BASE_CFLAGS) \
+ $(GST_CFLAGS)
+
+libgstgl_eagl_la_OBJCFLAGS = \
+ -I$(top_srcdir)/gst-libs \
+ -I$(top_builddir)/gst-libs \
+ $(GL_CFLAGS) \
+ $(GL_OBJCFLAGS) \
+ $(GST_PLUGINS_BASE_CFLAGS) \
+ $(GST_BASE_CFLAGS) \
+ $(GST_CFLAGS)
+
+libgstgl_eagl_la_LDFLAGS = \
+ $(GST_LIB_LDFLAGS) \
+ $(GST_ALL_LDFLAGS)
+
+libgstgl_eagl_la_LIBTOOLFLAGS = $(GST_PLUGIN_LIBTOOLFLAGS) --tag=CC
diff --git a/gst-libs/gst/gl/eagl/gstglcontext_eagl.h b/gst-libs/gst/gl/eagl/gstglcontext_eagl.h
new file mode 100644
index 000000000..90adbf2ad
--- /dev/null
+++ b/gst-libs/gst/gl/eagl/gstglcontext_eagl.h
@@ -0,0 +1,69 @@
+/*
+ * 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_CONTEXT_EAGL_H__
+#define __GST_GL_CONTEXT_EAGL_H__
+
+#include <gst/gst.h>
+#include <gst/gl/gl.h>
+
+G_BEGIN_DECLS
+
+#define GST_GL_TYPE_CONTEXT_EAGL (gst_gl_context_eagl_get_type())
+#define GST_GL_CONTEXT_EAGL(o) (G_TYPE_CHECK_INSTANCE_CAST((o), GST_GL_TYPE_CONTEXT_EAGL, GstGLContextEagl))
+#define GST_GL_CONTEXT_EAGL_CLASS(k) (G_TYPE_CHECK_CLASS((k), GST_GL_TYPE_CONTEXT_EAGL, GstGLContextEaglClass))
+#define GST_GL_IS_CONTEXT_EAGL(o) (G_TYPE_CHECK_INSTANCE_TYPE((o), GST_GL_TYPE_CONTEXT_EAGL))
+#define GST_GL_IS_CONTEXT_EAGL_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE((k), GST_GL_TYPE_CONTEXT_EAGL))
+#define GST_GL_CONTEXT_EAGL_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS((o), GST_GL_TYPE_CONTEXT_EAGL, GstGLContextEaglClass))
+
+typedef struct _GstGLContextEagl GstGLContextEagl;
+typedef struct _GstGLContextEaglPrivate GstGLContextEaglPrivate;
+typedef struct _GstGLContextEaglClass GstGLContextEaglClass;
+
+struct _GstGLContextEagl {
+ /*< private >*/
+ GstGLContext parent;
+
+ /*< private >*/
+ GstGLContextEaglPrivate *priv;
+
+ gpointer _reserved[GST_PADDING];
+};
+
+struct _GstGLContextEaglClass {
+ /*< private >*/
+ GstGLContextClass parent_class;
+
+ /*< private >*/
+ gpointer _reserved[GST_PADDING_LARGE];
+
+ GstGLContextEaglPrivate *priv;
+};
+
+GType gst_gl_context_eagl_get_type (void);
+
+GstGLContextEagl * gst_gl_context_eagl_new (void);
+
+void gst_gl_context_eagl_prepare_draw (GstGLContextEagl * context);
+void gst_gl_context_eagl_finish_draw (GstGLContextEagl * context);
+
+G_END_DECLS
+
+#endif /* __GST_GL_CONTEXT_EAGL_H__ */
diff --git a/gst-libs/gst/gl/eagl/gstglcontext_eagl.m b/gst-libs/gst/gl/eagl/gstglcontext_eagl.m
new file mode 100644
index 000000000..69c3a068e
--- /dev/null
+++ b/gst-libs/gst/gl/eagl/gstglcontext_eagl.m
@@ -0,0 +1,342 @@
+/*
+ * 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.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#import <OpenGLES/EAGL.h>
+#import <UIKit/UIKit.h>
+#include <OpenGLES/ES2/gl.h>
+
+#include "gstglcontext_eagl.h"
+
+static gboolean gst_gl_context_eagl_create_context (GstGLContext * context,
+ GstGLAPI gl_api, GstGLContext * other_context, GError ** error);
+static void gst_gl_context_eagl_destroy_context (GstGLContext * context);
+static gboolean gst_gl_context_eagl_choose_format (GstGLContext * context,
+ GError ** error);
+static guintptr gst_gl_context_eagl_get_gl_context (GstGLContext * window);
+static gboolean gst_gl_context_eagl_activate (GstGLContext * context,
+ gboolean activate);
+static void gst_gl_context_eagl_swap_buffers (GstGLContext * context);
+static GstGLAPI gst_gl_context_eagl_get_gl_api (GstGLContext * context);
+static GstGLPlatform gst_gl_context_eagl_get_gl_platform (GstGLContext *
+ context);
+
+struct _GstGLContextEaglPrivate
+{
+ EAGLContext *eagl_context;
+
+ /* Used if we render to a window */
+ CAEAGLLayer *eagl_layer;
+ GLuint framebuffer;
+ GLuint color_renderbuffer;
+ GLuint depth_renderbuffer;
+};
+
+#define GST_GL_CONTEXT_EAGL_GET_PRIVATE(o) \
+ (G_TYPE_INSTANCE_GET_PRIVATE((o), GST_GL_TYPE_CONTEXT_EAGL, GstGLContextEaglPrivate))
+
+G_DEFINE_TYPE (GstGLContextEagl, gst_gl_context_eagl, GST_GL_TYPE_CONTEXT);
+
+static void
+gst_gl_context_eagl_class_init (GstGLContextEaglClass * klass)
+{
+ GstGLContextClass *context_class;
+
+ context_class = (GstGLContextClass *) klass;
+
+ g_type_class_add_private (klass, sizeof (GstGLContextEaglPrivate));
+
+ context_class->destroy_context =
+ GST_DEBUG_FUNCPTR (gst_gl_context_eagl_destroy_context);
+ context_class->create_context =
+ GST_DEBUG_FUNCPTR (gst_gl_context_eagl_create_context);
+ context_class->choose_format =
+ GST_DEBUG_FUNCPTR (gst_gl_context_eagl_choose_format);
+ context_class->get_gl_context =
+ GST_DEBUG_FUNCPTR (gst_gl_context_eagl_get_gl_context);
+ context_class->activate = GST_DEBUG_FUNCPTR (gst_gl_context_eagl_activate);
+ context_class->swap_buffers =
+ GST_DEBUG_FUNCPTR (gst_gl_context_eagl_swap_buffers);
+ context_class->get_gl_api =
+ GST_DEBUG_FUNCPTR (gst_gl_context_eagl_get_gl_api);
+ context_class->get_gl_platform =
+ GST_DEBUG_FUNCPTR (gst_gl_context_eagl_get_gl_platform);
+}
+
+static void
+gst_gl_context_eagl_init (GstGLContextEagl * context)
+{
+ context->priv = GST_GL_CONTEXT_EAGL_GET_PRIVATE (context);
+}
+
+/* Must be called in the gl thread */
+GstGLContextEagl *
+gst_gl_context_eagl_new (void)
+{
+ GstGLContextEagl *context = g_object_new (GST_GL_TYPE_CONTEXT_EAGL, NULL);
+
+ return context;
+}
+
+static gboolean
+gst_gl_context_eagl_create_context (GstGLContext * context, GstGLAPI gl_api,
+ GstGLContext * other_context, GError ** error)
+{
+ GstGLContextEagl *context_eagl = GST_GL_CONTEXT_EAGL (context);
+ GstGLContextEaglPrivate *priv = context_eagl->priv;
+ GstGLWindow *window = gst_gl_context_get_window (context);
+ UIView *window_handle = nil;
+
+ dispatch_sync (dispatch_get_main_queue (), ^{
+ if (other_context) {
+ EAGLContext *external_gl_context = (EAGLContext *)
+ gst_gl_context_get_gl_context (other_context);
+ EAGLSharegroup *share_group = [external_gl_context sharegroup];
+
+ priv->eagl_context = [[EAGLContext alloc] initWithAPI: kEAGLRenderingAPIOpenGLES2 sharegroup:share_group];
+ [share_group release];
+ } else {
+ priv->eagl_context = [[EAGLContext alloc] initWithAPI:kEAGLRenderingAPIOpenGLES2];
+ }
+ });
+
+ if (window)
+ window_handle = (UIView *) gst_gl_window_get_window_handle (window);
+
+ if (window_handle) {
+ __block GLuint framebuffer;
+ __block GLuint color_renderbuffer;
+ __block GLuint depth_renderbuffer;
+ __block GLint width;
+ __block GLint height;
+ __block CAEAGLLayer *eagl_layer;
+ GLenum status;
+
+ dispatch_sync (dispatch_get_main_queue (), ^{
+ eagl_layer = (CAEAGLLayer *)[window_handle layer];
+ [EAGLContext setCurrentContext:priv->eagl_context];
+
+ /* Allocate framebuffer */
+ glGenFramebuffers (1, &framebuffer);
+ glBindFramebuffer (GL_FRAMEBUFFER, framebuffer);
+ /* Allocate color render buffer */
+ glGenRenderbuffers (1, &color_renderbuffer);
+ glBindRenderbuffer (GL_RENDERBUFFER, color_renderbuffer);
+ [priv->eagl_context renderbufferStorage: GL_RENDERBUFFER fromDrawable:eagl_layer];
+ glFramebufferRenderbuffer (GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
+ GL_RENDERBUFFER, color_renderbuffer);
+ /* Get renderbuffer width/height */
+ glGetRenderbufferParameteriv (GL_RENDERBUFFER, GL_RENDERBUFFER_WIDTH,
+ &width);
+ glGetRenderbufferParameteriv (GL_RENDERBUFFER, GL_RENDERBUFFER_HEIGHT,
+ &height);
+ /* allocate depth render buffer */
+ glGenRenderbuffers (1, &depth_renderbuffer);
+ glBindRenderbuffer (GL_RENDERBUFFER, depth_renderbuffer);
+ glRenderbufferStorage (GL_RENDERBUFFER, GL_DEPTH_COMPONENT16, width,
+ height);
+ glFramebufferRenderbuffer (GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT,
+ GL_RENDERBUFFER, depth_renderbuffer);
+ [EAGLContext setCurrentContext:nil];
+ });
+
+ [EAGLContext setCurrentContext:priv->eagl_context];
+
+ glBindFramebuffer (GL_FRAMEBUFFER, framebuffer);
+ /* check creation status */
+ status = glCheckFramebufferStatus (GL_FRAMEBUFFER);
+ if (status != GL_FRAMEBUFFER_COMPLETE) {
+ GST_ERROR ("Failed to make complete framebuffer object %x", status);
+ if (window)
+ gst_object_unref (window);
+ return FALSE;
+ }
+ glBindFramebuffer (GL_FRAMEBUFFER, 0);
+
+ priv->eagl_layer = eagl_layer;
+ priv->framebuffer = framebuffer;
+ priv->color_renderbuffer = color_renderbuffer;
+ priv->depth_renderbuffer = depth_renderbuffer;
+ } else {
+ priv->eagl_layer = NULL;
+ priv->framebuffer = 0;
+ priv->color_renderbuffer = 0;
+ priv->depth_renderbuffer = 0;
+ }
+
+ if (window)
+ gst_object_unref (window);
+
+ return TRUE;
+}
+
+static void
+gst_gl_context_eagl_destroy_context (GstGLContext * context)
+{
+ GstGLContextEagl *context_eagl;
+
+ context_eagl = GST_GL_CONTEXT_EAGL (context);
+
+ if (!context_eagl->priv->eagl_context)
+ return;
+
+ if (context_eagl->priv->eagl_layer) {
+ gst_gl_context_eagl_activate (context, TRUE);
+
+ [context_eagl->priv->eagl_context renderbufferStorage: GL_RENDERBUFFER fromDrawable:nil];
+
+ 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;
+}
+
diff --git a/gst-libs/gst/gl/eagl/gstglwindow_eagl.h b/gst-libs/gst/gl/eagl/gstglwindow_eagl.h
new file mode 100644
index 000000000..6e71b7e3c
--- /dev/null
+++ b/gst-libs/gst/gl/eagl/gstglwindow_eagl.h
@@ -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__ */
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);
+}
diff --git a/gst-libs/gst/gl/gstglapi.h b/gst-libs/gst/gl/gstglapi.h
index ef5980f0c..860571023 100644
--- a/gst-libs/gst/gl/gstglapi.h
+++ b/gst-libs/gst/gl/gstglapi.h
@@ -54,8 +54,13 @@
#ifndef GL_GLEXT_PROTOTYPES
#define GL_GLEXT_PROTOTYPES 1
#endif
-# include <GLES2/gl2.h>
-# include <GLES2/gl2ext.h>
+# if __APPLE__
+# include <OpenGLES/ES2/gl.h>
+# include <OpenGLES/ES2/glext.h>
+# else
+# include <GLES2/gl2.h>
+# include <GLES2/gl2ext.h>
+# endif
# if !GST_GL_HAVE_OPENGL
# include <gst/gl/gstgles2.h>
# endif
@@ -110,6 +115,7 @@ typedef enum
GST_GL_PLATFORM_GLX = (1 << 1),
GST_GL_PLATFORM_WGL = (1 << 2),
GST_GL_PLATFORM_CGL = (1 << 3),
+ GST_GL_PLATFORM_EAGL = (1 << 4),
GST_GL_PLATFORM_ANY = G_MAXUINT32
} GstGLPlatform;
diff --git a/gst-libs/gst/gl/gstglcontext.c b/gst-libs/gst/gl/gstglcontext.c
index 10796fe28..23dfc0b96 100644
--- a/gst-libs/gst/gl/gstglcontext.c
+++ b/gst-libs/gst/gl/gstglcontext.c
@@ -61,6 +61,9 @@
#if GST_GL_HAVE_PLATFORM_WGL
#include "win32/gstglcontext_wgl.h"
#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_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 ());
}
#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) {
/* subclass returned a NULL context */
diff --git a/gst-libs/gst/gl/gstgles2.h b/gst-libs/gst/gl/gstgles2.h
index 8fa87190f..195ca7d75 100644
--- a/gst-libs/gst/gl/gstgles2.h
+++ b/gst-libs/gst/gl/gstgles2.h
@@ -28,6 +28,12 @@
G_BEGIN_DECLS
/* SUPPORTED */
+/* FIXME: On iOS this exists but maps to an actual BGRA extension */
+#ifdef __APPLE__
+#ifdef GL_BGRA
+#undef GL_BGRA
+#endif
+#endif
//FIXME:
#define GL_RGB16 GL_RGB565
diff --git a/gst-libs/gst/gl/gstglwindow.c b/gst-libs/gst/gl/gstglwindow.c
index 3272d7887..49ab3cac6 100644
--- a/gst-libs/gst/gl/gstglwindow.c
+++ b/gst-libs/gst/gl/gstglwindow.c
@@ -55,6 +55,9 @@
#if GST_GL_HAVE_WINDOW_ANDROID
#include "android/gstglwindow_android_egl.h"
#endif
+#if GST_GL_HAVE_WINDOW_EAGL
+#include "eagl/gstglwindow_eagl.h"
+#endif
#if GST_GL_HAVE_WINDOW_DISPMANX
#include "dispmanx/gstglwindow_dispmanx_egl.h"
#endif
@@ -178,6 +181,10 @@ gst_gl_window_new (GstGLDisplay * display)
if (!window && (!user_choice || g_strstr_len (user_choice, 7, "android")))
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
if (!window) {
/* subclass returned a NULL window */
GST_WARNING ("Could not create window. user specified %s, creating dummy"