Commit 192b3798 authored by Sebastian Dröge's avatar Sebastian Dröge 🍵 Committed by Tim-Philipp Müller

[735/906] gl: Add support for Android

https://bugzilla.gnome.org/show_bug.cgi?id=703340
parent 6a5bebeb
......@@ -2,7 +2,7 @@
lib_LTLIBRARIES = libgstgl-@GST_API_VERSION@.la
SUBDIRS = glprototypes
DIST_SUBDIRS = glprototypes x11 win32 cocoa wayland
DIST_SUBDIRS = glprototypes android x11 win32 cocoa wayland
noinst_HEADERS =
......@@ -49,20 +49,14 @@ SUBDIRS += wayland
libgstgl_@GST_API_VERSION@_la_LIBADD += wayland/libgstgl-wayland.la
endif
if USE_EGL
if HAVE_WINDOW_WAYLAND
libgstgl_@GST_API_VERSION@_la_SOURCES += gstglegl.c
noinst_HEADERS += gstglegl.h
if HAVE_WINDOW_ANDROID
SUBDIRS += android
libgstgl_@GST_API_VERSION@_la_LIBADD += android/libgstgl-android.la
endif
if !HAVE_WINDOW_WAYLAND
if HAVE_WINDOW_X11
if USE_EGL
libgstgl_@GST_API_VERSION@_la_SOURCES += gstglegl.c
noinst_HEADERS += gstglegl.h
endif
endif
endif
libgstgl_@GST_API_VERSION@includedir = $(includedir)/gstreamer-@GST_API_VERSION@/gst/gl
......
## Process this file with automake to produce Makefile.in
noinst_LTLIBRARIES = libgstgl-android.la
libgstgl_@GST_API_VERSION@includedir = $(includedir)/gstreamer-@GST_API_VERSION@/gst/gl
libgstglandroidincludedir = $(includedir)/gstreamer-@GST_API_VERSION@/gst/gl/android
libgstgl_android_la_SOURCES = \
gstglwindow_android_egl.c
libgstglandroidinclude_HEADERS = \
gstglwindow_android_egl.h
libgstgl_android_la_CFLAGS = \
$(GL_CFLAGS) \
$(GST_PLUGINS_BASE_CFLAGS) \
$(GST_BASE_CFLAGS) \
$(GST_CFLAGS) \
-I$(top_srcdir)/gst-libs
libgstgl_android_la_LDFLAGS = \
$(GST_LIB_LDFLAGS) \
$(GST_ALL_LDFLAGS)
/*
* GStreamer
* Copyright (C) 2008 Julien Isorce <julien.isorce@gmail.com>
* Copyright (C) 2012 Matthew Waters <ystreet00@gmail.com>
* Copyright (C) 2013 Sebastian Dröge <slomo@circular-chaos.org>
*
* 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.
*/
/* TODO: - Window resize handling
* - Event handling input event handling
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "gstglwindow_android_egl.h"
#define GST_CAT_DEFAULT gst_gl_window_debug
#define gst_gl_window_android_egl_parent_class parent_class
G_DEFINE_TYPE (GstGLWindowAndroidEGL, gst_gl_window_android_egl,
GST_GL_TYPE_WINDOW);
static guintptr gst_gl_window_android_egl_get_gl_context (GstGLWindow * window);
static gboolean gst_gl_window_android_egl_activate (GstGLWindow * window,
gboolean activate);
static void gst_gl_window_android_egl_set_window_handle (GstGLWindow * window,
guintptr handle);
static void gst_gl_window_android_egl_draw (GstGLWindow * window, guint width,
guint height);
static void gst_gl_window_android_egl_run (GstGLWindow * window);
static void gst_gl_window_android_egl_quit (GstGLWindow * window,
GstGLWindowCB callback, gpointer data);
static void gst_gl_window_android_egl_send_message (GstGLWindow * window,
GstGLWindowCB callback, gpointer data);
static void gst_gl_window_android_egl_destroy_context (GstGLWindowAndroidEGL *
window_egl);
static gboolean gst_gl_window_android_egl_create_context (GstGLWindow
* window, GstGLAPI gl_api, guintptr external_gl_context, GError ** error);
static GstGLAPI gst_gl_window_android_egl_get_gl_api (GstGLWindow * window);
static gpointer gst_gl_window_android_egl_get_proc_address (GstGLWindow *
window, const gchar * name);
static void gst_gl_window_android_egl_close (GstGLWindow * window);
static void
gst_gl_window_android_egl_class_init (GstGLWindowAndroidEGLClass * klass)
{
GstGLWindowClass *window_class = (GstGLWindowClass *) klass;
window_class->create_context =
GST_DEBUG_FUNCPTR (gst_gl_window_android_egl_create_context);
window_class->get_gl_context =
GST_DEBUG_FUNCPTR (gst_gl_window_android_egl_get_gl_context);
window_class->activate =
GST_DEBUG_FUNCPTR (gst_gl_window_android_egl_activate);
window_class->set_window_handle =
GST_DEBUG_FUNCPTR (gst_gl_window_android_egl_set_window_handle);
window_class->draw_unlocked =
GST_DEBUG_FUNCPTR (gst_gl_window_android_egl_draw);
window_class->draw = GST_DEBUG_FUNCPTR (gst_gl_window_android_egl_draw);
window_class->run = GST_DEBUG_FUNCPTR (gst_gl_window_android_egl_run);
window_class->quit = GST_DEBUG_FUNCPTR (gst_gl_window_android_egl_quit);
window_class->send_message =
GST_DEBUG_FUNCPTR (gst_gl_window_android_egl_send_message);
window_class->get_gl_api =
GST_DEBUG_FUNCPTR (gst_gl_window_android_egl_get_gl_api);
window_class->get_proc_address =
GST_DEBUG_FUNCPTR (gst_gl_window_android_egl_get_proc_address);
window_class->close = GST_DEBUG_FUNCPTR (gst_gl_window_android_egl_close);
}
static void
gst_gl_window_android_egl_init (GstGLWindowAndroidEGL * window)
{
}
/* Must be called in the gl thread */
GstGLWindowAndroidEGL *
gst_gl_window_android_egl_new (void)
{
GstGLWindowAndroidEGL *window;
GST_DEBUG ("creating Android EGL window");
window = g_object_new (GST_GL_TYPE_WINDOW_ANDROID_EGL, NULL);
gst_gl_window_set_need_lock (GST_GL_WINDOW (window), FALSE);
return window;
}
static void
gst_gl_window_android_egl_close (GstGLWindow * window)
{
GstGLWindowAndroidEGL *window_egl;
window_egl = GST_GL_WINDOW_ANDROID_EGL (window);
gst_gl_window_android_egl_destroy_context (window_egl);
}
gboolean
gst_gl_window_android_egl_create_context (GstGLWindow * window,
GstGLAPI gl_api, guintptr external_gl_context, GError ** error)
{
GstGLWindowAndroidEGL *window_egl = GST_GL_WINDOW_ANDROID_EGL (window);
if (!window_egl->native_window) {
g_set_error (error, GST_GL_WINDOW_ERROR, GST_GL_WINDOW_ERROR_WRONG_CONFIG,
"No native window set");
return FALSE;
}
window_egl->main_context = g_main_context_new ();
window_egl->loop = g_main_loop_new (window_egl->main_context, FALSE);
window_egl->egl =
gst_gl_egl_create_context (eglGetDisplay (EGL_DEFAULT_DISPLAY),
window_egl->native_window, gl_api, external_gl_context, error);
if (!window_egl->egl)
goto failure;
return TRUE;
failure:
return FALSE;
}
static void
gst_gl_window_android_egl_destroy_context (GstGLWindowAndroidEGL * window_egl)
{
gst_gl_egl_activate (window_egl->egl, FALSE);
gst_gl_egl_destroy_context (window_egl->egl);
window_egl->egl = NULL;
g_main_loop_unref (window_egl->loop);
g_main_context_unref (window_egl->main_context);
}
static gboolean
gst_gl_window_android_egl_activate (GstGLWindow * window, gboolean activate)
{
GstGLWindowAndroidEGL *window_egl;
window_egl = GST_GL_WINDOW_ANDROID_EGL (window);
return gst_gl_egl_activate (window_egl->egl, activate);
}
static guintptr
gst_gl_window_android_egl_get_gl_context (GstGLWindow * window)
{
GstGLWindowAndroidEGL *window_egl;
window_egl = GST_GL_WINDOW_ANDROID_EGL (window);
return gst_gl_egl_get_gl_context (window_egl->egl);
}
static GstGLAPI
gst_gl_window_android_egl_get_gl_api (GstGLWindow * window)
{
GstGLWindowAndroidEGL *window_egl;
window_egl = GST_GL_WINDOW_ANDROID_EGL (window);
return gst_gl_egl_get_gl_api (window_egl->egl);
}
static void
gst_gl_window_android_egl_swap_buffers (GstGLWindow * window)
{
GstGLWindowAndroidEGL *window_egl = GST_GL_WINDOW_ANDROID_EGL (window);
gst_gl_egl_swap_buffers (window_egl->egl);
}
static void
gst_gl_window_android_egl_run (GstGLWindow * window)
{
GstGLWindowAndroidEGL *window_egl;
window_egl = GST_GL_WINDOW_ANDROID_EGL (window);
GST_LOG ("starting main loop");
g_main_loop_run (window_egl->loop);
GST_LOG ("exiting main loop");
}
static void
gst_gl_window_android_egl_quit (GstGLWindow * window, GstGLWindowCB callback,
gpointer data)
{
GstGLWindowAndroidEGL *window_egl;
window_egl = GST_GL_WINDOW_ANDROID_EGL (window);
if (callback)
gst_gl_window_android_egl_send_message (window, callback, data);
GST_LOG ("sending quit");
g_main_loop_quit (window_egl->loop);
GST_LOG ("quit sent");
}
typedef struct _GstGLMessage
{
GMutex lock;
GCond cond;
gboolean fired;
GstGLWindowCB callback;
gpointer data;
} GstGLMessage;
static gboolean
_run_message (GstGLMessage * message)
{
g_mutex_lock (&message->lock);
if (message->callback)
message->callback (message->data);
message->fired = TRUE;
g_cond_signal (&message->cond);
g_mutex_unlock (&message->lock);
return FALSE;
}
static void
gst_gl_window_android_egl_send_message (GstGLWindow * window,
GstGLWindowCB callback, gpointer data)
{
GstGLWindowAndroidEGL *window_egl;
GstGLMessage message;
window_egl = GST_GL_WINDOW_ANDROID_EGL (window);
message.callback = callback;
message.data = data;
message.fired = FALSE;
g_mutex_init (&message.lock);
g_cond_init (&message.cond);
g_main_context_invoke (window_egl->main_context, (GSourceFunc) _run_message,
&message);
g_mutex_lock (&message.lock);
while (!message.fired)
g_cond_wait (&message.cond, &message.lock);
g_mutex_unlock (&message.lock);
}
static void
gst_gl_window_android_egl_set_window_handle (GstGLWindow * window,
guintptr handle)
{
GstGLWindowAndroidEGL *window_egl = GST_GL_WINDOW_ANDROID_EGL (window);
window_egl->native_window = (EGLNativeWindowType) handle;
}
struct draw
{
GstGLWindowAndroidEGL *window;
guint width, height;
};
static void
draw_cb (gpointer data)
{
struct draw *draw_data = data;
GstGLWindowAndroidEGL *window_egl = draw_data->window;
GstGLWindow *window = GST_GL_WINDOW (window_egl);
if (window->draw)
window->draw (window->draw_data);
gst_gl_window_android_egl_swap_buffers (window);
}
static void
gst_gl_window_android_egl_draw (GstGLWindow * window, guint width, guint height)
{
struct draw draw_data;
draw_data.window = GST_GL_WINDOW_ANDROID_EGL (window);
draw_data.width = width;
draw_data.height = height;
gst_gl_window_send_message (window, (GstGLWindowCB) draw_cb, &draw_data);
}
static gpointer
gst_gl_window_android_egl_get_proc_address (GstGLWindow * window,
const gchar * name)
{
GstGLWindowAndroidEGL *window_egl;
gpointer result;
window_egl = GST_GL_WINDOW_ANDROID_EGL (window);
if (!(result = gst_gl_egl_get_proc_address (window_egl->egl, name))) {
result = gst_gl_window_default_get_proc_address (window, name);
}
return result;
}
/*
* GStreamer
* Copyright (C) 2012 Matthew Waters <ystreet00@gmail.com>
* Copyright (C) 2013 Sebastian Dröge <slomo@circular-chaos.org>
*
* 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_ANDROID_EGL_H__
#define __GST_GL_WINDOW_ANDROID_EGL_H__
#include <EGL/egl.h>
#include <gst/gl/gl.h>
#include "../gstglegl.h"
G_BEGIN_DECLS
#define GST_GL_TYPE_WINDOW_ANDROID_EGL (gst_gl_window_android_egl_get_type())
#define GST_GL_WINDOW_ANDROID_EGL(o) (G_TYPE_CHECK_INSTANCE_CAST((o), GST_GL_TYPE_WINDOW_ANDROID_EGL, GstGLWindowAndroidEGL))
#define GST_GL_WINDOW_ANDROID_EGL_CLASS(k) (G_TYPE_CHECK_CLASS((k), GST_GL_TYPE_WINDOW_ANDROID_EGL, GstGLWindowAndroidEGLClass))
#define GST_GL_IS_WINDOW_ANDROID_EGL(o) (G_TYPE_CHECK_INSTANCE_TYPE((o), GST_GL_TYPE_WINDOW_ANDROID_EGL))
#define GST_GL_IS_WINDOW_ANDROID_EGL_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE((k), GST_GL_TYPE_WINDOW_ANDROID_EGL))
#define GST_GL_WINDOW_ANDROID_EGL_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS((o), GST_GL_TYPE_WINDOW_ANDROID_EGL, GstGLWindowAndroidEGL_Class))
typedef struct _GstGLWindowAndroidEGL GstGLWindowAndroidEGL;
typedef struct _GstGLWindowAndroidEGLClass GstGLWindowAndroidEGLClass;
struct _GstGLWindowAndroidEGL {
/*< private >*/
GstGLWindow parent;
GstGLEGL *egl;
EGLNativeWindowType native_window;
GMainContext *main_context;
GMainLoop *loop;
gpointer _reserved[GST_PADDING];
};
struct _GstGLWindowAndroidEGLClass {
/*< private >*/
GstGLWindowClass parent_class;
/*< private >*/
gpointer _reserved[GST_PADDING];
};
GType gst_gl_window_android_egl_get_type (void);
GstGLWindowAndroidEGL * gst_gl_window_android_egl_new (void);
G_END_DECLS
#endif /* __GST_GL_WINDOW_ANDROID_H__ */
......@@ -274,6 +274,11 @@ gst_gl_egl_get_proc_address (GstGLEGL * egl, const gchar * name)
{
gpointer result;
/* FIXME: On Android this returns wrong addresses for non-EGL functions */
#ifdef GST_GL_HAVE_WINDOW_ANDROID
return NULL;
#endif
result = eglGetProcAddress (name);
return result;
......
......@@ -40,6 +40,9 @@
#if GST_GL_HAVE_WINDOW_WAYLAND
#include "wayland/gstglwindow_wayland_egl.h"
#endif
#if GST_GL_HAVE_WINDOW_ANDROID
#include "android/gstglwindow_android_egl.h"
#endif
#define USING_OPENGL(display) (display->gl_api & GST_GL_API_OPENGL)
#define USING_OPENGL3(display) (display->gl_api & GST_GL_API_OPENGL3)
......@@ -141,6 +144,10 @@ gst_gl_window_new (GstGLDisplay * display)
#if GST_GL_HAVE_WINDOW_WAYLAND
if (!window && (!user_choice || g_strstr_len (user_choice, 7, "wayland")))
window = GST_GL_WINDOW (gst_gl_window_wayland_egl_new ());
#endif
#if GST_GL_HAVE_WINDOW_ANDROID
if (!window && (!user_choice || g_strstr_len (user_choice, 7, "android")))
window = GST_GL_WINDOW (gst_gl_window_android_egl_new ());
#endif
if (!window) {
/* subclass returned a NULL window */
......
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