gstreamer/gst-libs/gst/gl/wayland/gstglwindow_wayland_egl.c
Matthew Waters eb06907fb4 gl/wayland: provide a dummy global_remove function
Even if we don't care about any global objects being removed, wayland
will still error if globals are removed without a corresponding listener
set up for them.  e.g. wl_output hotplugging

Discovered by: Matthias Clasen

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-base/-/merge_requests/1079>
2021-03-22 14:05:27 +11:00

782 lines
24 KiB
C

/*
* 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 <locale.h>
#include <sys/mman.h>
#include <unistd.h>
#include "wayland_event_source.h"
#include "../gstgl_fwd.h"
#include <gst/gl/gstglcontext.h>
#include "gstgldisplay_wayland.h"
#include "gstglwindow_wayland_egl.h"
#include "../gstglwindow_private.h"
const gchar *WlEGLErrorString ();
#define GST_CAT_DEFAULT gst_gl_window_debug
#define gst_gl_window_wayland_egl_parent_class parent_class
G_DEFINE_TYPE (GstGLWindowWaylandEGL, gst_gl_window_wayland_egl,
GST_TYPE_GL_WINDOW);
static guintptr gst_gl_window_wayland_egl_get_window_handle (GstGLWindow *
window);
static void gst_gl_window_wayland_egl_set_window_handle (GstGLWindow * window,
guintptr handle);
static void gst_gl_window_wayland_egl_show (GstGLWindow * window);
static void gst_gl_window_wayland_egl_draw (GstGLWindow * window);
static void gst_gl_window_wayland_egl_close (GstGLWindow * window);
static gboolean gst_gl_window_wayland_egl_open (GstGLWindow * window,
GError ** error);
static guintptr gst_gl_window_wayland_egl_get_display (GstGLWindow * window);
static gboolean gst_gl_window_wayland_egl_set_render_rectangle (GstGLWindow *
window, gint x, gint y, gint width, gint height);
static void gst_gl_window_wayland_egl_set_preferred_size (GstGLWindow * window,
gint width, gint height);
static void
pointer_handle_enter (void *data, struct wl_pointer *pointer, uint32_t serial,
struct wl_surface *surface, wl_fixed_t sx_w, wl_fixed_t sy_w)
{
GstGLWindowWaylandEGL *window_egl = data;
struct wl_buffer *buffer;
struct wl_cursor_image *image = NULL;
window_egl->display.serial = serial;
/* FIXME: Not sure how useful this is */
if (window_egl->display.default_cursor) {
image = window_egl->display.default_cursor->images[0];
buffer = wl_cursor_image_get_buffer (image);
wl_pointer_set_cursor (pointer, serial,
window_egl->display.cursor_surface, image->hotspot_x, image->hotspot_y);
wl_surface_attach (window_egl->display.cursor_surface, buffer, 0, 0);
wl_surface_damage (window_egl->display.cursor_surface, 0, 0,
image->width, image->height);
wl_surface_commit (window_egl->display.cursor_surface);
}
}
static void
pointer_handle_leave (void *data, struct wl_pointer *pointer, uint32_t serial,
struct wl_surface *surface)
{
GstGLWindowWaylandEGL *window_egl = data;
window_egl->display.serial = serial;
}
static void
pointer_handle_motion (void *data, struct wl_pointer *pointer, uint32_t time,
wl_fixed_t sx_w, wl_fixed_t sy_w)
{
GstGLWindowWaylandEGL *window_egl = data;
GstGLWindow *window = GST_GL_WINDOW (window_egl);
window_egl->display.pointer_x = wl_fixed_to_double (sx_w);
window_egl->display.pointer_y = wl_fixed_to_double (sy_w);
gst_gl_window_send_mouse_event (window, "mouse-move", 0,
window_egl->display.pointer_x, window_egl->display.pointer_y);
}
static void
pointer_handle_button (void *data, struct wl_pointer *pointer, uint32_t serial,
uint32_t time, uint32_t button, uint32_t state)
{
GstGLWindowWaylandEGL *window_egl = data;
GstGLWindow *window = GST_GL_WINDOW (window_egl);
const char *event_type;
event_type = state == 1 ? "mouse-button-press" : "mouse-button-release";
gst_gl_window_send_mouse_event (window, event_type, button,
window_egl->display.pointer_x, window_egl->display.pointer_y);
}
static void
pointer_handle_axis (void *data, struct wl_pointer *pointer, uint32_t time,
uint32_t axis, wl_fixed_t value)
{
GstGLWindowWaylandEGL *window_egl = data;
GstGLWindow *window = GST_GL_WINDOW (window_egl);
gdouble delta_x, delta_y;
gdouble delta = -wl_fixed_to_double (value);
if (axis == 1) {
delta_x = delta;
delta_y = 0;
} else {
delta_x = 0;
delta_y = delta;
}
gst_gl_window_send_scroll_event (window, window_egl->display.pointer_x,
window_egl->display.pointer_y, delta_x, delta_y);
}
static const struct wl_pointer_listener pointer_listener = {
pointer_handle_enter,
pointer_handle_leave,
pointer_handle_motion,
pointer_handle_button,
pointer_handle_axis,
};
static void
seat_handle_capabilities (void *data, struct wl_seat *seat,
enum wl_seat_capability caps)
{
GstGLWindowWaylandEGL *window_egl = data;
struct display *display = &window_egl->display;
if ((caps & WL_SEAT_CAPABILITY_POINTER) && !display->pointer) {
display->pointer = wl_seat_get_pointer (seat);
wl_pointer_set_user_data (display->pointer, window_egl);
wl_pointer_add_listener (display->pointer, &pointer_listener, window_egl);
} else if (!(caps & WL_SEAT_CAPABILITY_POINTER) && display->pointer) {
wl_pointer_destroy (display->pointer);
display->pointer = NULL;
}
#if 0
if ((caps & WL_SEAT_CAPABILITY_KEYBOARD) && !input->keyboard) {
input->keyboard = wl_seat_get_keyboard (seat);
wl_keyboard_set_user_data (input->keyboard, input);
wl_keyboard_add_listener (input->keyboard, &keyboard_listener, input);
} else if (!(caps & WL_SEAT_CAPABILITY_KEYBOARD) && input->keyboard) {
wl_keyboard_destroy (input->keyboard);
input->keyboard = NULL;
}
#endif
}
static void
seat_name (void *data, struct wl_seat *seat, const char *name)
{
GstGLWindowWaylandEGL *window_egl = data;
GST_TRACE_OBJECT (window_egl, "seat %p has name %s", seat, name);
}
static const struct wl_seat_listener seat_listener = {
seat_handle_capabilities,
seat_name
};
static void
handle_ping (void *data, struct wl_shell_surface *wl_shell_surface,
uint32_t serial)
{
GstGLWindowWaylandEGL *window_egl = data;
GST_TRACE_OBJECT (window_egl, "ping received serial %u", serial);
wl_shell_surface_pong (wl_shell_surface, serial);
}
static void window_resize (GstGLWindowWaylandEGL * window_egl, guint width,
guint height);
static void
handle_configure (void *data, struct wl_shell_surface *wl_shell_surface,
uint32_t edges, int32_t width, int32_t height)
{
GstGLWindowWaylandEGL *window_egl = data;
GST_DEBUG ("configure event on surface %p, %ix%i", wl_shell_surface, width,
height);
window_resize (window_egl, width, height);
}
static void
handle_popup_done (void *data, struct wl_shell_surface *wl_shell_surface)
{
}
static const struct wl_shell_surface_listener wl_shell_surface_listener = {
handle_ping,
handle_configure,
handle_popup_done
};
static void
handle_xdg_toplevel_close (void *data, struct xdg_toplevel *xdg_toplevel)
{
GstGLWindow *window = data;
GST_DEBUG ("XDG toplevel got a \"close\" event.");
if (window->close)
window->close (window->close_data);
gst_gl_display_remove_window (window->display, window);
}
static void
handle_xdg_toplevel_configure (void *data, struct xdg_toplevel *xdg_toplevel,
int32_t width, int32_t height, struct wl_array *states)
{
GstGLWindowWaylandEGL *window_egl = data;
const uint32_t *state;
GST_DEBUG ("configure event on XDG toplevel %p, %ix%i", xdg_toplevel,
width, height);
wl_array_for_each (state, states) {
switch (*state) {
case XDG_TOPLEVEL_STATE_FULLSCREEN:
window_egl->window.fullscreen = TRUE;
break;
case XDG_TOPLEVEL_STATE_MAXIMIZED:
case XDG_TOPLEVEL_STATE_RESIZING:
case XDG_TOPLEVEL_STATE_ACTIVATED:
break;
}
}
if (width > 0 && height > 0)
window_resize (window_egl, width, height);
}
static const struct xdg_toplevel_listener xdg_toplevel_listener = {
handle_xdg_toplevel_configure,
handle_xdg_toplevel_close,
};
static void
handle_xdg_surface_configure (void *data, struct xdg_surface *xdg_surface,
uint32_t serial)
{
xdg_surface_ack_configure (xdg_surface, serial);
}
static const struct xdg_surface_listener xdg_surface_listener = {
handle_xdg_surface_configure,
};
static void
destroy_surfaces (GstGLWindowWaylandEGL * window_egl)
{
g_clear_pointer (&window_egl->window.subsurface, wl_subsurface_destroy);
g_clear_pointer (&window_egl->window.xdg_toplevel, xdg_toplevel_destroy);
g_clear_pointer (&window_egl->window.xdg_surface, xdg_surface_destroy);
g_clear_pointer (&window_egl->window.wl_shell_surface,
wl_shell_surface_destroy);
g_clear_pointer (&window_egl->window.surface, wl_surface_destroy);
g_clear_pointer (&window_egl->window.native, wl_egl_window_destroy);
}
static void
create_xdg_surface_and_toplevel (GstGLWindowWaylandEGL * window_egl)
{
struct xdg_surface *xdg_surface;
struct xdg_toplevel *xdg_toplevel;
GST_DEBUG ("Creating surfaces XDG-shell");
/* First create the XDG surface */
xdg_surface = xdg_wm_base_get_xdg_surface (window_egl->display.xdg_wm_base,
window_egl->window.surface);
xdg_surface_add_listener (xdg_surface, &xdg_surface_listener, window_egl);
/* Then the XDG top-level */
xdg_toplevel = xdg_surface_get_toplevel (xdg_surface);
xdg_toplevel_set_title (xdg_toplevel, "OpenGL Renderer");
xdg_toplevel_add_listener (xdg_toplevel, &xdg_toplevel_listener, window_egl);
/* Commit the xdg_surface state */
wl_surface_commit (window_egl->window.surface);
/* And save them into the fields */
window_egl->window.xdg_surface = xdg_surface;
window_egl->window.xdg_toplevel = xdg_toplevel;
}
static void
create_wl_shell_surface (GstGLWindowWaylandEGL * window_egl)
{
struct wl_shell_surface *wl_shell_surface;
GST_DEBUG ("Creating surfaces for wl-shell");
wl_shell_surface = wl_shell_get_shell_surface (window_egl->display.shell,
window_egl->window.surface);
wl_shell_surface_add_listener (wl_shell_surface, &wl_shell_surface_listener,
window_egl);
wl_shell_surface_set_title (wl_shell_surface, "OpenGL Renderer");
wl_shell_surface_set_toplevel (wl_shell_surface);
window_egl->window.wl_shell_surface = wl_shell_surface;
}
static void
create_surfaces (GstGLWindowWaylandEGL * window_egl)
{
gint width, height;
if (!window_egl->window.surface) {
window_egl->window.surface =
wl_compositor_create_surface (window_egl->display.compositor);
}
if (window_egl->window.foreign_surface) {
/* (re)parent */
if (!window_egl->display.subcompositor) {
GST_ERROR_OBJECT (window_egl,
"Wayland server does not support subsurfaces");
window_egl->window.foreign_surface = NULL;
goto shell_window;
}
if (!window_egl->window.subsurface) {
window_egl->window.subsurface =
wl_subcompositor_get_subsurface (window_egl->display.subcompositor,
window_egl->window.surface, window_egl->window.foreign_surface);
wl_subsurface_set_position (window_egl->window.subsurface,
window_egl->window.window_x, window_egl->window.window_y);
wl_subsurface_set_desync (window_egl->window.subsurface);
}
} else {
shell_window:
if (window_egl->display.xdg_wm_base) {
if (!window_egl->window.xdg_surface)
create_xdg_surface_and_toplevel (window_egl);
} else if (!window_egl->window.wl_shell_surface) {
create_wl_shell_surface (window_egl);
}
}
/*
* render_rect is the application requested size so choose that first if
* available.
* Else choose the already chosen size if set
* Else choose the preferred size if set
* Else choose a default value
*/
if (window_egl->window.render_rect.w > 0)
width = window_egl->window.render_rect.w;
else if (window_egl->window.window_width > 0)
width = window_egl->window.window_width;
else if (window_egl->window.preferred_width > 0)
width = window_egl->window.preferred_width;
else
width = 320;
window_egl->window.window_width = width;
if (window_egl->window.render_rect.h > 0)
height = window_egl->window.render_rect.h;
else if (window_egl->window.window_height > 0)
height = window_egl->window.window_height;
else if (window_egl->window.preferred_height > 0)
height = window_egl->window.preferred_height;
else
height = 240;
window_egl->window.window_height = height;
if (!window_egl->window.native) {
gst_gl_window_resize (GST_GL_WINDOW (window_egl), width, height);
window_egl->window.native =
wl_egl_window_create (window_egl->window.surface, width, height);
}
}
static void
gst_gl_window_wayland_egl_class_init (GstGLWindowWaylandEGLClass * klass)
{
GstGLWindowClass *window_class = (GstGLWindowClass *) klass;
window_class->get_window_handle =
GST_DEBUG_FUNCPTR (gst_gl_window_wayland_egl_get_window_handle);
window_class->set_window_handle =
GST_DEBUG_FUNCPTR (gst_gl_window_wayland_egl_set_window_handle);
window_class->show = GST_DEBUG_FUNCPTR (gst_gl_window_wayland_egl_show);
window_class->draw = GST_DEBUG_FUNCPTR (gst_gl_window_wayland_egl_draw);
window_class->close = GST_DEBUG_FUNCPTR (gst_gl_window_wayland_egl_close);
window_class->open = GST_DEBUG_FUNCPTR (gst_gl_window_wayland_egl_open);
window_class->get_display =
GST_DEBUG_FUNCPTR (gst_gl_window_wayland_egl_get_display);
window_class->set_render_rectangle =
GST_DEBUG_FUNCPTR (gst_gl_window_wayland_egl_set_render_rectangle);
window_class->set_preferred_size =
GST_DEBUG_FUNCPTR (gst_gl_window_wayland_egl_set_preferred_size);
}
static void
gst_gl_window_wayland_egl_init (GstGLWindowWaylandEGL * window)
{
window->window.render_rect.w = window->window.render_rect.h = -1;
}
/* Must be called in the gl thread */
GstGLWindowWaylandEGL *
gst_gl_window_wayland_egl_new (GstGLDisplay * display)
{
GstGLWindowWaylandEGL *window;
if ((gst_gl_display_get_handle_type (display) & GST_GL_DISPLAY_TYPE_WAYLAND)
== 0)
/* we require a wayland display to create wayland surfaces */
return NULL;
GST_DEBUG ("creating Wayland EGL window");
window = g_object_new (GST_TYPE_GL_WINDOW_WAYLAND_EGL, NULL);
gst_object_ref_sink (window);
return window;
}
static void
gst_gl_window_wayland_egl_close (GstGLWindow * gl_window)
{
GstGLWindowWaylandEGL *window_egl;
struct display *display;
window_egl = GST_GL_WINDOW_WAYLAND_EGL (gl_window);
display = &window_egl->display;
if (display->pointer != NULL) {
wl_pointer_destroy (display->pointer);
display->pointer = NULL;
}
destroy_surfaces (window_egl);
g_source_destroy (window_egl->wl_source);
g_source_unref (window_egl->wl_source);
window_egl->wl_source = NULL;
GST_GL_WINDOW_CLASS (parent_class)->close (gl_window);
}
static void
handle_xdg_wm_base_ping (void *user_data, struct xdg_wm_base *xdg_wm_base,
uint32_t serial)
{
xdg_wm_base_pong (xdg_wm_base, serial);
}
static const struct xdg_wm_base_listener xdg_wm_base_listener = {
handle_xdg_wm_base_ping
};
static void
registry_handle_global (void *data, struct wl_registry *registry,
uint32_t name, const char *interface, uint32_t version)
{
GstGLWindowWaylandEGL *window_wayland = data;
GST_TRACE_OBJECT (window_wayland, "registry_handle_global with registry %p, "
"name %" G_GUINT32_FORMAT ", interface %s, version %u", registry, name,
interface, version);
if (g_strcmp0 (interface, "wl_compositor") == 0) {
window_wayland->display.compositor =
wl_registry_bind (registry, name, &wl_compositor_interface, 1);
} else if (g_strcmp0 (interface, "wl_subcompositor") == 0) {
window_wayland->display.subcompositor =
wl_registry_bind (registry, name, &wl_subcompositor_interface, 1);
} else if (g_strcmp0 (interface, "xdg_wm_base") == 0) {
window_wayland->display.xdg_wm_base =
wl_registry_bind (registry, name, &xdg_wm_base_interface, 1);
xdg_wm_base_add_listener (window_wayland->display.xdg_wm_base,
&xdg_wm_base_listener, window_wayland);
} else if (g_strcmp0 (interface, "wl_shell") == 0) {
window_wayland->display.shell =
wl_registry_bind (registry, name, &wl_shell_interface, 1);
} else if (g_strcmp0 (interface, "wl_seat") == 0) {
window_wayland->display.seat =
wl_registry_bind (registry, name, &wl_seat_interface, 4);
wl_seat_add_listener (window_wayland->display.seat, &seat_listener,
window_wayland);
}
}
static void
registry_handle_global_remove (void *data, struct wl_registry *registry,
uint32_t name)
{
GstGLWindowWaylandEGL *window_wayland = data;
/* TODO: deal with any registry objects that may be removed */
GST_TRACE_OBJECT (window_wayland, "wl_registry %p global_remove %"
G_GUINT32_FORMAT, registry, name);
}
static const struct wl_registry_listener registry_listener = {
registry_handle_global,
registry_handle_global_remove,
};
static gboolean
gst_gl_window_wayland_egl_open (GstGLWindow * window, GError ** error)
{
GstGLDisplayWayland *display;
GstGLWindowWaylandEGL *window_egl = GST_GL_WINDOW_WAYLAND_EGL (window);
if (!GST_IS_GL_DISPLAY_WAYLAND (window->display)) {
g_set_error (error, GST_GL_WINDOW_ERROR,
GST_GL_WINDOW_ERROR_RESOURCE_UNAVAILABLE,
"Failed to retrieve Wayland display (wrong type?)");
return FALSE;
}
display = GST_GL_DISPLAY_WAYLAND (window->display);
if (!display->display) {
g_set_error (error, GST_GL_WINDOW_ERROR,
GST_GL_WINDOW_ERROR_RESOURCE_UNAVAILABLE,
"Failed to retrieve Wayland display");
return FALSE;
}
/* we create a proxy wrapper for the display so that we can set the queue on
* it. This allows us to avoid sprinkling `wl_proxy_set_queue()` calls for
* each wayland resource we create as well as removing a race between
* creation and the `wl_proxy_set_queue()` call. */
window_egl->display.display = wl_proxy_create_wrapper (display->display);
window_egl->window.queue =
wl_display_create_queue (window_egl->display.display);
wl_proxy_set_queue ((struct wl_proxy *) window_egl->display.display,
window_egl->window.queue);
window_egl->display.registry =
wl_display_get_registry (window_egl->display.display);
wl_registry_add_listener (window_egl->display.registry, &registry_listener,
window_egl);
if (wl_display_roundtrip_queue (display->display,
window_egl->window.queue) < 0) {
g_set_error (error, GST_GL_WINDOW_ERROR,
GST_GL_WINDOW_ERROR_RESOURCE_UNAVAILABLE,
"Failed to perform a wayland roundtrip");
return FALSE;
}
window_egl->wl_source = wayland_event_source_new (display->display,
window_egl->window.queue);
if (!GST_GL_WINDOW_CLASS (parent_class)->open (window, error))
return FALSE;
g_source_attach (window_egl->wl_source, window->main_context);
return TRUE;
}
void
gst_gl_window_wayland_egl_create_window (GstGLWindowWaylandEGL * window_egl)
{
create_surfaces (window_egl);
}
static guintptr
gst_gl_window_wayland_egl_get_window_handle (GstGLWindow * window)
{
return (guintptr) GST_GL_WINDOW_WAYLAND_EGL (window)->window.native;
}
static void
gst_gl_window_wayland_egl_set_window_handle (GstGLWindow * window,
guintptr handle)
{
GstGLWindowWaylandEGL *window_egl = GST_GL_WINDOW_WAYLAND_EGL (window);
struct wl_surface *surface = (struct wl_surface *) handle;
/* already set the NULL handle */
if (surface == NULL && window_egl->window.foreign_surface == NULL)
return;
/* unparent */
destroy_surfaces (window_egl);
window_egl->window.foreign_surface = surface;
create_surfaces (window_egl);
}
static void
_roundtrip_async (GstGLWindow * window)
{
GstGLDisplayWayland *display = GST_GL_DISPLAY_WAYLAND (window->display);
GstGLWindowWaylandEGL *window_egl = GST_GL_WINDOW_WAYLAND_EGL (window);
create_surfaces (window_egl);
if (wl_display_roundtrip_queue (display->display,
window_egl->window.queue) < 0)
GST_WARNING_OBJECT (window, "failed a roundtrip");
}
static void
gst_gl_window_wayland_egl_show (GstGLWindow * window)
{
GstGLWindowWaylandEGL *window_egl = GST_GL_WINDOW_WAYLAND_EGL (window);
create_surfaces (window_egl);
gst_gl_window_send_message (window, (GstGLWindowCB) _roundtrip_async, window);
}
static void
window_resize (GstGLWindowWaylandEGL * window_egl, guint width, guint height)
{
GstGLWindow *window = GST_GL_WINDOW (window_egl);
GST_DEBUG ("resizing window from %ux%u to %ux%u",
window_egl->window.window_width, window_egl->window.window_height, width,
height);
if (window_egl->window.native) {
wl_egl_window_resize (window_egl->window.native, width, height, 0, 0);
}
gst_gl_window_resize (window, width, height);
window_egl->window.window_width = width;
window_egl->window.window_height = height;
}
static void
draw_cb (gpointer data)
{
GstGLWindowWaylandEGL *window_egl = data;
GstGLWindow *window = GST_GL_WINDOW (window_egl);
GstGLContext *context = gst_gl_window_get_context (window);
create_surfaces (window_egl);
if (window_egl->window.subsurface)
wl_subsurface_set_desync (window_egl->window.subsurface);
if (window->queue_resize) {
guint width, height;
gst_gl_window_get_surface_dimensions (window, &width, &height);
gst_gl_window_resize (window, width, height);
}
if (window->draw)
window->draw (window->draw_data);
gst_gl_context_swap_buffers (context);
if (window_egl->window.subsurface)
wl_subsurface_set_desync (window_egl->window.subsurface);
gst_object_unref (context);
}
static void
gst_gl_window_wayland_egl_draw (GstGLWindow * window)
{
gst_gl_window_send_message (window, (GstGLWindowCB) draw_cb, window);
}
struct SetRenderRectangle
{
GstGLWindowWaylandEGL *window_egl;
GstVideoRectangle rect;
};
static void
_free_set_render_rectangle (struct SetRenderRectangle *render)
{
if (render) {
if (render->window_egl)
gst_object_unref (render->window_egl);
g_free (render);
}
}
static void
_set_render_rectangle (gpointer data)
{
struct SetRenderRectangle *render = data;
GST_LOG_OBJECT (render->window_egl, "setting render rectangle %i,%i+%ix%i",
render->rect.x, render->rect.y, render->rect.w, render->rect.h);
if (render->window_egl->window.subsurface) {
wl_subsurface_set_sync (render->window_egl->window.subsurface);
wl_subsurface_set_position (render->window_egl->window.subsurface,
render->rect.x, render->rect.y);
render->window_egl->window.window_x = render->rect.x;
render->window_egl->window.window_y = render->rect.y;
}
window_resize (render->window_egl, render->rect.w, render->rect.h);
render->window_egl->window.render_rect = render->rect;
}
static gboolean
gst_gl_window_wayland_egl_set_render_rectangle (GstGLWindow * window,
gint x, gint y, gint width, gint height)
{
GstGLWindowWaylandEGL *window_egl = GST_GL_WINDOW_WAYLAND_EGL (window);
struct SetRenderRectangle *render;
render = g_new0 (struct SetRenderRectangle, 1);
render->window_egl = gst_object_ref (window_egl);
render->rect.x = x;
render->rect.y = y;
render->rect.w = width;
render->rect.h = height;
gst_gl_window_send_message_async (window,
(GstGLWindowCB) _set_render_rectangle, render,
(GDestroyNotify) _free_set_render_rectangle);
return TRUE;
}
static void
gst_gl_window_wayland_egl_set_preferred_size (GstGLWindow * window, gint width,
gint height)
{
GstGLWindowWaylandEGL *window_egl = GST_GL_WINDOW_WAYLAND_EGL (window);
window_egl->window.preferred_width = width;
window_egl->window.preferred_height = height;
if (window_egl->window.render_rect.w < 0
&& window_egl->window.render_rect.h < 0) {
if (window_egl->window.window_height != height
|| window_egl->window.window_width != width) {
window_resize (window_egl, width, height);
}
}
}
static guintptr
gst_gl_window_wayland_egl_get_display (GstGLWindow * window)
{
GstGLDisplayWayland *display = GST_GL_DISPLAY_WAYLAND (window->display);
return (guintptr) display->display;
}