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[618/906] add wayland-egl window backend

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This commit is contained in:
Matthew Waters 2012-11-29 01:01:59 +11:00
parent e357b4aa13
commit 4a07c73c0c
9 changed files with 881 additions and 8 deletions
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14
gst-libs/gst/gl/Makefile.am
View file

@ -16,8 +16,10 @@ libgstgl_@GST_API_VERSION@_la_SOURCES = \
gstglwindow.c
libgstgl_@GST_API_VERSION@_la_LIBADD = \
$(GST_PLUGINS_BASE_LIBS) -lgstvideo-$(GST_API_VERSION) \
$(GST_BASE_LIBS) $(GST_LIBS) \
$(GST_PLUGINS_BASE_LIBS) \
-lgstvideo-$(GST_API_VERSION) \
$(GST_BASE_LIBS) \
$(GST_LIBS) \
$(GL_LIBS)
if HAVE_WINDOW_WIN32
@ -35,6 +37,11 @@ SUBDIRS += x11
libgstgl_@GST_API_VERSION@_la_LIBADD += x11/libgstgl-x11.la
endif
if HAVE_WINDOW_WAYLAND
SUBDIRS += wayland
libgstgl_@GST_API_VERSION@_la_LIBADD += wayland/libgstgl-wayland.la
endif
libgstgl_@GST_API_VERSION@includedir = $(includedir)/gstreamer-@GST_API_VERSION@/gst/gl
libgstgl_@GST_API_VERSION@include_HEADERS = \
gstglwindow.h \
@ -55,7 +62,8 @@ libgstgl_@GST_API_VERSION@_la_CFLAGS = \
$(X_CFLAGS) \
$(GST_PLUGINS_BASE_CFLAGS) \
$(GST_BASE_CFLAGS) \
$(GST_CFLAGS)
$(GST_CFLAGS) \
$(GL_CFLAGS)
libgstgl_@GST_API_VERSION@_la_LDFLAGS = \
$(GST_LIB_LDFLAGS) \

1
gst-libs/gst/gl/cocoa/Makefile.am
View file

@ -21,6 +21,7 @@ libgstgl_cocoa_la_CFLAGS = \
libgstgl_cocoa_la_OBJCFLAGS = \
$(GL_CFLAGS) \
$(GL_OBJCFLAGS) \
$(X_CFLAGS) \
$(GST_PLUGINS_BASE_CFLAGS) \
$(GST_BASE_CFLAGS) \

25
gst-libs/gst/gl/gstglwindow.c
View file

@ -33,15 +33,15 @@
#ifdef HAVE_WINDOW_COCOA
#include "cocoa/gstglwindow_cocoa.h"
#endif
#ifdef HAVE_WINDOW_WAYLAND
#include "wayland/gstglwindow_wayland_egl.h"
#endif
#define GST_CAT_DEFAULT gst_gl_window_debug
GST_DEBUG_CATEGORY_STATIC (GST_CAT_DEFAULT);
GST_DEBUG_CATEGORY (GST_CAT_DEFAULT);
#define DEBUG_INIT \
GST_DEBUG_CATEGORY_INIT (gst_gl_window_debug, "glwindow", 0, "glwindow element");
#define gst_gl_window_parent_class parent_class
G_DEFINE_ABSTRACT_TYPE_WITH_CODE (GstGLWindow, gst_gl_window, G_TYPE_OBJECT,
DEBUG_INIT);
G_DEFINE_ABSTRACT_TYPE (GstGLWindow, gst_gl_window, G_TYPE_OBJECT);
static void
gst_gl_window_init (GstGLWindow * window)
@ -60,8 +60,17 @@ gst_gl_window_new (GstGLRendererAPI render_api, guintptr external_gl_context)
{
GstGLWindow *window = NULL;
const gchar *user_choice;
static volatile gsize _init = 0;
if (g_once_init_enter (&_init)) {
GST_DEBUG_CATEGORY_INIT (gst_gl_window_debug, "glwindow", 0,
"glwindow element");
g_once_init_leave (&_init, 1);
}
user_choice = g_getenv ("GST_GL_WINDOW");
GST_INFO ("creating a window, user choice:%s", user_choice);
#ifdef HAVE_WINDOW_X11
if (!window && (!user_choice || g_strstr_len (user_choice, 3, "x11")))
window =
@ -78,6 +87,12 @@ gst_gl_window_new (GstGLRendererAPI render_api, guintptr external_gl_context)
window =
GST_GL_WINDOW (gst_gl_window_cocoa_new (render_api,
external_gl_context));
#endif
#ifdef HAVE_WINDOW_WAYLAND
if (!window && (!user_choice || g_strstr_len (user_choice, 7, "wayland")))
window =
GST_GL_WINDOW (gst_gl_window_wayland_egl_new (render_api,
external_gl_context));
#endif
if (!window) {
GST_WARNING ("could not create a window, user choice:%s", user_choice);

2
gst-libs/gst/gl/gstglwindow.h
View file

@ -136,6 +136,8 @@ void gst_gl_window_send_message (GstGLWindow *window, GstGLWindowCB
GstGLPlatform gst_gl_window_get_platform (GstGLWindow *window);
GST_DEBUG_CATEGORY_EXTERN (gst_gl_window_debug);
G_END_DECLS
#endif /* __GST_GL_WINDOW_H__ */

27
gst-libs/gst/gl/wayland/Makefile.am Normal file
View file

@ -0,0 +1,27 @@
## Process this file with automake to produce Makefile.in
noinst_LTLIBRARIES = libgstgl-wayland.la
libgstgl_@GST_API_VERSION@includedir = $(includedir)/gstreamer-@GST_API_VERSION@/gst/gl
libgstglwaylandincludedir = $(includedir)/gstreamer-@GST_API_VERSION@/gst/gl/wayland
libgstgl_wayland_la_SOURCES = \
gstglwindow_wayland_egl.c \
wayland_event_source.c
libgstglwaylandinclude_HEADERS = \
gstglwindow_wayland_egl.h \
wayland_event_source.h
libgstgl_wayland_la_CFLAGS = \
$(GL_CFLAGS) \
$(X_CFLAGS) \
$(GST_PLUGINS_BASE_CFLAGS) \
$(GST_BASE_CFLAGS) \
$(GST_CFLAGS) \
-I$(top_srcdir)/gst-libs/gst/gl
libgstgl_wayland_la_LDFLAGS = \
$(GST_LIB_LDFLAGS) \
$(GST_ALL_LDFLAGS) \
$(GST_LT_LDFLAGS)

550
gst-libs/gst/gl/wayland/gstglwindow_wayland_egl.c Normal file
View file

@ -0,0 +1,550 @@
/*
* GStreamer
* Copyright (C) 2008 Julien Isorce <julien.isorce@gmail.com>
* Copyright (C) 2012 Matthew Waters <ystreet00@gmail.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.
*/
#define GLIB_DISABLE_DEPRECATION_WARNINGS
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "wayland_event_source.h"
#include "gstglwindow_wayland_egl.h"
const gchar *WlEGLErrorString ();
#define GST_CAT_DEFAULT gst_gl_window_wayland_egl_debug
GST_DEBUG_CATEGORY_STATIC (GST_CAT_DEFAULT);
#define DEBUG_INIT \
GST_DEBUG_CATEGORY_GET (GST_CAT_DEFAULT, "glwindow");
#define gst_gl_window_wayland_egl_parent_class parent_class
G_DEFINE_TYPE_WITH_CODE (GstGLWindowWaylandEGL, gst_gl_window_wayland_egl,
GST_GL_TYPE_WINDOW, DEBUG_INIT);
static guintptr gst_gl_window_wayland_egl_get_gl_context (GstGLWindow * window);
static gboolean gst_gl_window_wayland_egl_activate (GstGLWindow * window,
gboolean activate);
static void gst_gl_window_wayland_egl_set_window_handle (GstGLWindow * window,
guintptr handle);
static void gst_gl_window_wayland_egl_draw (GstGLWindow * window, guint width,
guint height);
static void gst_gl_window_wayland_egl_run (GstGLWindow * window);
static void gst_gl_window_wayland_egl_quit (GstGLWindow * window,
GstGLWindowCB callback, gpointer data);
static void gst_gl_window_wayland_egl_send_message (GstGLWindow * window,
GstGLWindowCB callback, gpointer data);
static void gst_gl_window_wayland_egl_destroy_context (GstGLWindowWaylandEGL *
window_egl);
static gboolean gst_gl_window_wayland_egl_create_context (GstGLWindowWaylandEGL
* window_egl, GstGLRendererAPI render_api, guintptr external_gl_context);
static void gst_gl_window_wayland_egl_finalize (GObject * object);
static void
handle_ping (void *data, struct wl_shell_surface *shell_surface,
uint32_t serial)
{
wl_shell_surface_pong (shell_surface, serial);
}
static void
handle_configure (void *data, struct wl_shell_surface *shell_surface,
uint32_t edges, int32_t width, int32_t height)
{
GstGLWindowWaylandEGL *window_egl = data;
struct window window = window_egl->window;
if (window.native)
wl_egl_window_resize (window.native, width, height, 0, 0);
window.window_width = width;
window.window_height = height;
}
static void
handle_popup_done (void *data, struct wl_shell_surface *shell_surface)
{
}
static const struct wl_shell_surface_listener shell_surface_listener = {
handle_ping,
handle_configure,
handle_popup_done
};
static gboolean
create_surface (GstGLWindowWaylandEGL * window_egl)
{
struct display display = window_egl->display;
struct window window = window_egl->window;
EGLBoolean ret;
window.surface = wl_compositor_create_surface (display.compositor);
window.shell_surface = wl_shell_get_shell_surface (display.shell,
window.surface);
wl_shell_surface_add_listener (window.shell_surface,
&shell_surface_listener, window_egl);
if (!window.window_width)
window.window_width = 320;
if (!window.window_height)
window.window_height = 240;
window.native =
wl_egl_window_create (window.surface, window.window_width,
window.window_height);
window_egl->egl_surface =
eglCreateWindowSurface (window_egl->egl_display, window_egl->egl_config,
window.native, NULL);
wl_shell_surface_set_title (window.shell_surface, "OpenGL Renderer");
ret =
eglMakeCurrent (window_egl->egl_display, window_egl->egl_surface,
window_egl->egl_surface, window_egl->egl_context);
wl_shell_surface_set_toplevel (window.shell_surface);
handle_configure (window_egl, window.shell_surface, 0,
window_egl->window.window_width, window_egl->window.window_height);
return ret == EGL_TRUE;
}
static void
destroy_surface (GstGLWindowWaylandEGL * window_egl)
{
if (window_egl->window.native)
wl_egl_window_destroy (window_egl->window.native);
if (window_egl->window.shell_surface)
wl_shell_surface_destroy (window_egl->window.shell_surface);
if (window_egl->window.surface)
wl_surface_destroy (window_egl->window.surface);
if (window_egl->window.callback)
wl_callback_destroy (window_egl->window.callback);
}
static void
registry_handle_global (void *data, struct wl_registry *registry,
uint32_t name, const char *interface, uint32_t version)
{
struct display *d = data;
if (g_strcmp0 (interface, "wl_compositor") == 0) {
d->compositor =
wl_registry_bind (registry, name, &wl_compositor_interface, 1);
} else if (g_strcmp0 (interface, "wl_shell") == 0) {
d->shell = wl_registry_bind (registry, name, &wl_shell_interface, 1);
/* } else if (strcmp(interface, "wl_seat") == 0) {
d->seat = wl_registry_bind(registry, name, &wl_seat_interface, 1);
wl_seat_add_listener(d->seat, &seat_listener, d);
*/ } else if (g_strcmp0 (interface, "wl_shm") == 0) {
d->shm = wl_registry_bind (registry, name, &wl_shm_interface, 1);
d->cursor_theme = wl_cursor_theme_load (NULL, 32, d->shm);
d->default_cursor =
wl_cursor_theme_get_cursor (d->cursor_theme, "left_ptr");
}
}
static const struct wl_registry_listener registry_listener = {
registry_handle_global
};
static void
gst_gl_window_wayland_egl_class_init (GstGLWindowWaylandEGLClass * klass)
{
GObjectClass *object_class = (GObjectClass *) klass;
GstGLWindowClass *window_class = (GstGLWindowClass *) klass;
window_class->get_gl_context =
GST_DEBUG_FUNCPTR (gst_gl_window_wayland_egl_get_gl_context);
window_class->activate =
GST_DEBUG_FUNCPTR (gst_gl_window_wayland_egl_activate);
window_class->set_window_handle =
GST_DEBUG_FUNCPTR (gst_gl_window_wayland_egl_set_window_handle);
window_class->draw_unlocked =
GST_DEBUG_FUNCPTR (gst_gl_window_wayland_egl_draw);
window_class->draw = GST_DEBUG_FUNCPTR (gst_gl_window_wayland_egl_draw);
window_class->run = GST_DEBUG_FUNCPTR (gst_gl_window_wayland_egl_run);
window_class->quit = GST_DEBUG_FUNCPTR (gst_gl_window_wayland_egl_quit);
window_class->send_message =
GST_DEBUG_FUNCPTR (gst_gl_window_wayland_egl_send_message);
object_class->finalize = gst_gl_window_wayland_egl_finalize;
}
static void
gst_gl_window_wayland_egl_init (GstGLWindowWaylandEGL * window)
{
}
/* Must be called in the gl thread */
GstGLWindowWaylandEGL *
gst_gl_window_wayland_egl_new (GstGLRendererAPI render_api,
guintptr external_gl_context)
{
GstGLWindowWaylandEGL *window =
g_object_new (GST_GL_TYPE_WINDOW_WAYLAND_EGL, NULL);
gst_gl_window_set_need_lock (GST_GL_WINDOW (window), FALSE);
window->display.display = wl_display_connect (NULL);
g_assert (window->display.display);
window->display.registry = wl_display_get_registry (window->display.display);
wl_registry_add_listener (window->display.registry, &registry_listener,
&window->display);
wl_display_dispatch (window->display.display);
// init_egl(&display, window.opaque);
create_surface (window);
// init_gl(&window);
window->display.cursor_surface =
wl_compositor_create_surface (window->display.compositor);
window->wl_source = wayland_event_source_new (window->display.display);
window->main_context = g_main_context_new ();
window->loop = g_main_loop_new (window->main_context, FALSE);
g_source_attach (window->wl_source, window->main_context);
gst_gl_window_wayland_egl_create_context (window, render_api,
external_gl_context);
return window;
}
static void
gst_gl_window_wayland_egl_finalize (GObject * object)
{
GstGLWindowWaylandEGL *window_egl;
window_egl = GST_GL_WINDOW_WAYLAND_EGL (object);
gst_gl_window_wayland_egl_destroy_context (window_egl);
// fini_egl(&display);
wl_surface_destroy (window_egl->display.cursor_surface);
if (window_egl->display.cursor_theme)
wl_cursor_theme_destroy (window_egl->display.cursor_theme);
if (window_egl->display.shell)
wl_shell_destroy (window_egl->display.shell);
if (window_egl->display.compositor)
wl_compositor_destroy (window_egl->display.compositor);
wl_display_flush (window_egl->display.display);
wl_display_disconnect (window_egl->display.display);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static gboolean
gst_gl_window_wayland_egl_create_context (GstGLWindowWaylandEGL * window_egl,
GstGLRendererAPI render_api, guintptr external_gl_context)
{
EGLint config_attrib[] = {
EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
EGL_RED_SIZE, 1,
EGL_GREEN_SIZE, 1,
EGL_BLUE_SIZE, 1,
EGL_ALPHA_SIZE, 1,
EGL_DEPTH_SIZE, 1,
EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
EGL_NONE
};
EGLint context_attrib[] = {
EGL_CONTEXT_CLIENT_VERSION, 2,
EGL_NONE
};
EGLint majorVersion;
EGLint minorVersion;
EGLint numConfigs;
window_egl->egl_display =
eglGetDisplay ((EGLNativeDisplayType) window_egl->display.display);
if (eglInitialize (window_egl->egl_display, &majorVersion, &minorVersion))
GST_DEBUG ("egl initialized: %d.%d", majorVersion, minorVersion);
else {
GST_DEBUG ("failed to initialize egl %ld, %s",
(gulong) window_egl->egl_display, WlEGLErrorString ());
goto failure;
}
if (!eglBindAPI (EGL_OPENGL_ES_API)) {
GST_WARNING ("failed to bind OpenGL|ES API");
goto failure;
}
if (eglChooseConfig (window_egl->egl_display, config_attrib,
&window_egl->egl_config, 1, &numConfigs))
GST_DEBUG ("config set: %ld, %ld", (gulong) window_egl->egl_config,
(gulong) numConfigs);
else {
GST_DEBUG ("failed to set config %ld, %s", (gulong) window_egl->egl_display,
WlEGLErrorString ());
goto failure;
}
GST_DEBUG ("about to create gl context");
window_egl->egl_context =
eglCreateContext (window_egl->egl_display, window_egl->egl_config,
(EGLContext) external_gl_context, context_attrib);
if (window_egl->egl_context != EGL_NO_CONTEXT)
GST_DEBUG ("gl context created: %ld", (gulong) window_egl->egl_context);
else {
GST_DEBUG ("failed to create glcontext %ld, %ld, %s",
(gulong) window_egl->egl_context, (gulong) window_egl->egl_display,
WlEGLErrorString ());
goto failure;
}
create_surface (window_egl);
/* window_egl->egl_surface =
eglCreateWindowSurface (window_egl->egl_display, window_egl->config,
(EGLNativeWindowType) window_wayland_egl->internal_win_id, NULL);
if (window_egl->egl_surface != EGL_NO_SURFACE)
GST_DEBUG ("surface created: %ld", (gulong) window_egl->egl_surface);
else {
GST_DEBUG ("failed to create surface %ld, %ld, %ld, %s",
(gulong) window_egl->egl_display, (gulong) window_egl->egl_surface,
(gulong) window_egl->egl_display, WlEGLErrorString ());
goto failure;
}
*/
return TRUE;
failure:
return FALSE;
}
static void
gst_gl_window_wayland_egl_destroy_context (GstGLWindowWaylandEGL * window_egl)
{
destroy_surface (window_egl);
if (window_egl->egl_context)
eglDestroyContext (window_egl->egl_display, window_egl->egl_context);
if (window_egl->egl_display) {
eglTerminate (window_egl->egl_display);
eglReleaseThread ();
}
}
static gboolean
gst_gl_window_wayland_egl_activate (GstGLWindow * window, gboolean activate)
{
gboolean result;
GstGLWindowWaylandEGL *window_egl;
window_egl = GST_GL_WINDOW_WAYLAND_EGL (window);
GST_DEBUG ("activate:%s", activate ? "TRUE" : "FALSE");
if (activate)
result = eglMakeCurrent (window_egl->egl_display, window_egl->egl_surface,
window_egl->egl_surface, window_egl->egl_context);
else
result = eglMakeCurrent (window_egl->egl_display, EGL_NO_SURFACE,
EGL_NO_SURFACE, EGL_NO_CONTEXT);
return result;
}
static guintptr
gst_gl_window_wayland_egl_get_gl_context (GstGLWindow * window)
{
return (guintptr) GST_GL_WINDOW_WAYLAND_EGL (window)->egl_context;
}
static void
gst_gl_window_wayland_egl_swap_buffers (GstGLWindow * window)
{
GstGLWindowWaylandEGL *window_egl = GST_GL_WINDOW_WAYLAND_EGL (window);
eglSwapBuffers (window_egl->egl_display, window_egl->egl_surface);
}
static void
gst_gl_window_wayland_egl_run (GstGLWindow * window)
{
GstGLWindowWaylandEGL *window_egl;
window_egl = GST_GL_WINDOW_WAYLAND_EGL (window);
GST_LOG ("starting main loop");
g_main_loop_run (window_egl->loop);
GST_LOG ("exiting main loop");
}
static void
gst_gl_window_wayland_egl_quit (GstGLWindow * window, GstGLWindowCB callback,
gpointer data)
{
GstGLWindowWaylandEGL *window_egl;
window_egl = GST_GL_WINDOW_WAYLAND_EGL (window);
gst_gl_window_wayland_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_wayland_egl_send_message (GstGLWindow * window,
GstGLWindowCB callback, gpointer data)
{
GstGLWindowWaylandEGL *window_egl;
GstGLMessage message;
window_egl = GST_GL_WINDOW_WAYLAND_EGL (window);
message.callback = callback;
message.data = data;
message.fired = FALSE;
g_mutex_init (&message.lock);
g_cond_init (&message.cond);
g_mutex_lock (&message.lock);
g_main_context_invoke (window_egl->main_context, (GSourceFunc) _run_message,
&message);
while (!message.fired)
g_cond_wait (&message.cond, &message.lock);
g_mutex_unlock (&message.lock);
}
static void
gst_gl_window_wayland_egl_set_window_handle (GstGLWindow * window,
guintptr handle)
{
}
struct draw
{
GstGLWindowWaylandEGL *window;
guint width, height;
};
static void
draw_cb (gpointer data)
{
struct draw *draw_data = data;
GstGLWindow *window = GST_GL_WINDOW (draw_data->window);
if (window->draw)
window->draw (window->draw_data);
gst_gl_window_wayland_egl_swap_buffers (window);
}
static void
gst_gl_window_wayland_egl_draw (GstGLWindow * window, guint width, guint height)
{
struct draw draw_data;
draw_data.window = GST_GL_WINDOW_WAYLAND_EGL (window);
draw_data.width = width;
draw_data.height = height;
gst_gl_window_send_message (window, (GstGLWindowCB) draw_cb, &draw_data);
}
const gchar *
WlEGLErrorString ()
{
EGLint nErr = eglGetError ();
switch (nErr) {
case EGL_SUCCESS:
return "EGL_SUCCESS";
case EGL_BAD_DISPLAY:
return "EGL_BAD_DISPLAY";
case EGL_NOT_INITIALIZED:
return "EGL_NOT_INITIALIZED";
case EGL_BAD_ACCESS:
return "EGL_BAD_ACCESS";
case EGL_BAD_ALLOC:
return "EGL_BAD_ALLOC";
case EGL_BAD_ATTRIBUTE:
return "EGL_BAD_ATTRIBUTE";
case EGL_BAD_CONFIG:
return "EGL_BAD_CONFIG";
case EGL_BAD_CONTEXT:
return "EGL_BAD_CONTEXT";
case EGL_BAD_CURRENT_SURFACE:
return "EGL_BAD_CURRENT_SURFACE";
case EGL_BAD_MATCH:
return "EGL_BAD_MATCH";
case EGL_BAD_NATIVE_PIXMAP:
return "EGL_BAD_NATIVE_PIXMAP";
case EGL_BAD_NATIVE_WINDOW:
return "EGL_BAD_NATIVE_WINDOW";
case EGL_BAD_PARAMETER:
return "EGL_BAD_PARAMETER";
case EGL_BAD_SURFACE:
return "EGL_BAD_SURFACE";
default:
return "unknown";
}
}

106
gst-libs/gst/gl/wayland/gstglwindow_wayland_egl.h Normal file
View file

@ -0,0 +1,106 @@
/*
* GStreamer
* Copyright (C) 2012 Matthew Waters <ystreet00@gmail.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_WAYLAND_EGL_H__
#define __GST_GL_WINDOW_WAYLAND_EGL_H__
#include <wayland-client.h>
#include <wayland-egl.h>
#include <wayland-cursor.h>
#include <EGL/egl.h>
#include "gstglwindow.h"
G_BEGIN_DECLS
#define GST_GL_TYPE_WINDOW_WAYLAND_EGL (gst_gl_window_wayland_egl_get_type())
#define GST_GL_WINDOW_WAYLAND_EGL(o) (G_TYPE_CHECK_INSTANCE_CAST((o), GST_GL_TYPE_WINDOW_WAYLAND_EGL, GstGLWindowWaylandEGL))
#define GST_GL_WINDOW_WAYLAND_EGL_CLASS(k) (G_TYPE_CHECK_CLASS((k), GST_GL_TYPE_WINDOW_WAYLAND_EGL, GstGLWindowWaylandEGLClass))
#define GST_GL_IS_WINDOW_WAYLAND_EGL(o) (G_TYPE_CHECK_INSTANCE_TYPE((o), GST_GL_TYPE_WINDOW_WAYLAND_EGL))
#define GST_GL_IS_WINDOW_WAYLAND_EGL_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE((k), GST_GL_TYPE_WINDOW_WAYLAND_EGL))
#define GST_GL_WINDOW_WAYLAND_EGL_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS((o), GST_GL_TYPE_WINDOW_WAYLAND_EGL, GstGLWindowWaylandEGL_Class))
typedef struct _GstGLWindowWaylandEGL GstGLWindowWaylandEGL;
typedef struct _GstGLWindowWaylandEGLClass GstGLWindowWaylandEGLClass;
struct window;
struct display {
struct wl_display *display;
struct wl_registry *registry;
struct wl_compositor *compositor;
struct wl_shell *shell;
struct wl_seat *seat;
/* struct wl_pointer *pointer;
struct wl_keyboard *keyboard;*/
struct wl_shm *shm;
struct wl_cursor_theme *cursor_theme;
struct wl_cursor *default_cursor;
struct wl_surface *cursor_surface;
struct window *window;
};
struct window {
struct display *display;
struct wl_egl_window *native;
struct wl_surface *surface;
struct wl_shell_surface *shell_surface;
struct wl_callback *callback;
int fullscreen, configured;
int window_width, window_height;
};
struct _GstGLWindowWaylandEGL {
/*< private >*/
GstGLWindow parent;
EGLContext egl_context;
EGLDisplay egl_display;
EGLSurface egl_surface;
EGLConfig egl_config;
struct display display;
struct window window;
GSource *wl_source;
GMainContext *main_context;
GMainLoop *loop;
gpointer _reserved[GST_PADDING];
};
struct _GstGLWindowWaylandEGLClass {
/*< private >*/
GstGLWindowClass parent_class;
/*< private >*/
gpointer _reserved[GST_PADDING];
};
GType gst_gl_window_wayland_egl_get_type (void);
GstGLWindowWaylandEGL * gst_gl_window_wayland_egl_new (GstGLRendererAPI render_api,
guintptr external_gl_context);
G_END_DECLS
#endif /* __GST_GL_WINDOW_X11_H__ */

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/*
* GStreamer
* Copyright (C) 2010 Intel Corporation.
* Copyright (C) 2012 Matthew Waters <ystreet00@gmail.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.
*
* Authors:
* Matthew Allum
* Robert Bragg
* Kristian Høgsberg
*/
/* code originally from clutter's wayland backend found here
* http://git.gnome.org/browse/clutter/tree/clutter/wayland/clutter-event-wayland.c
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdint.h>
#include <stdlib.h>
#include <wayland-client.h>
#include "wayland_event_source.h"
typedef struct _WaylandEventSource
{
GSource source;
GPollFD pfd;
uint32_t mask;
struct wl_display *display;
} WaylandEventSource;
static gboolean
wayland_event_source_prepare (GSource * base, gint * timeout)
{
WaylandEventSource *source = (WaylandEventSource *) base;
gboolean retval;
*timeout = -1;
/* We have to add/remove the GPollFD if we want to update our
* poll event mask dynamically. Instead, let's just flush all
* writes on idle */
wl_display_flush (source->display);
retval = FALSE; //clutter_events_pending ();
return retval;
}
static gboolean
wayland_event_source_check (GSource * base)
{
WaylandEventSource *source = (WaylandEventSource *) base;
gboolean retval;
retval = source->pfd.revents; // || clutter_events_pending();
return retval;
}
static gboolean
wayland_event_source_dispatch (GSource * base,
GSourceFunc callback, gpointer data)
{
WaylandEventSource *source = (WaylandEventSource *) base;
// ClutterEvent *event;
if (source->pfd.revents) {
wl_display_roundtrip (source->display);
source->pfd.revents = 0;
}
if (callback)
callback (data);
#if 0
event = clutter_event_get ();
if (event) {
/* forward the event into clutter for emission etc. */
clutter_do_event (event);
clutter_event_free (event);
}
#endif
return TRUE;
}
static GSourceFuncs wayland_event_source_funcs = {
wayland_event_source_prepare,
wayland_event_source_check,
wayland_event_source_dispatch,
NULL
};
GSource *
wayland_event_source_new (struct wl_display *display)
{
WaylandEventSource *source;
source = (WaylandEventSource *)
g_source_new (&wayland_event_source_funcs, sizeof (WaylandEventSource));
source->display = display;
source->pfd.fd = wl_display_get_fd (display);
source->pfd.events = G_IO_IN | G_IO_ERR;
g_source_add_poll (&source->source, &source->pfd);
return &source->source;
}

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/*
* GStreamer
* Copyright (C) 2011 Intel Corporation.
* Copyright (C) 2012 Matthew Waters <ystreet00@gmail.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.
* Authors:
* Robert Bragg <robert@linux.intel.com>
*/
/* code originally from clutter's wayland backend found here
* http://git.gnome.org/browse/clutter/tree/clutter/wayland/clutter-event-wayland.h
*/
#ifndef __WAYLAND_EVENT_SOURCE_H__
#define __WAYLAND_EVENT_SOURCE_H__
#include <glib-object.h>
//#include <clutter/clutter-event.h>
#include <wayland-client.h>
GSource *
wayland_event_source_new (struct wl_display *display);
#endif /* __WAYLAND_EVENT_SOURCE_H__ */