mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-09-09 05:38:58 +00:00
191 lines
5.7 KiB
C
191 lines
5.7 KiB
C
/*
|
|
* GStreamer
|
|
* Copyright (C) 2016 Matthew Waters <matthew@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
|
|
|
|
#include "wayland/vkdisplay_wayland.h"
|
|
#include "wayland_event_source.h"
|
|
|
|
GST_DEBUG_CATEGORY_STATIC (gst_vulkan_display_wayland_debug);
|
|
#define GST_CAT_DEFAULT gst_vulkan_display_wayland_debug
|
|
|
|
G_DEFINE_TYPE_WITH_CODE (GstVulkanDisplayWayland, gst_vulkan_display_wayland,
|
|
GST_TYPE_VULKAN_DISPLAY, GST_DEBUG_CATEGORY_INIT (GST_CAT_DEFAULT,
|
|
"vulkandisplaywayland", 0, "Vulkan Wayland Display");
|
|
);
|
|
|
|
static void gst_vulkan_display_wayland_finalize (GObject * object);
|
|
static gpointer gst_vulkan_display_wayland_get_handle (GstVulkanDisplay *
|
|
display);
|
|
|
|
static void
|
|
registry_handle_global (void *data, struct wl_registry *registry,
|
|
uint32_t name, const char *interface, uint32_t version)
|
|
{
|
|
GstVulkanDisplayWayland *display = data;
|
|
|
|
GST_TRACE_OBJECT (display, "registry_handle_global with registry %p, "
|
|
"interface %s, version %u", registry, interface, version);
|
|
|
|
if (g_strcmp0 (interface, "wl_compositor") == 0) {
|
|
display->compositor =
|
|
wl_registry_bind (registry, name, &wl_compositor_interface, 1);
|
|
} else if (g_strcmp0 (interface, "wl_subcompositor") == 0) {
|
|
display->subcompositor =
|
|
wl_registry_bind (registry, name, &wl_subcompositor_interface, 1);
|
|
} else if (g_strcmp0 (interface, "wl_shell") == 0) {
|
|
display->shell = wl_registry_bind (registry, name, &wl_shell_interface, 1);
|
|
}
|
|
}
|
|
|
|
static const struct wl_registry_listener registry_listener = {
|
|
registry_handle_global
|
|
};
|
|
|
|
static void
|
|
_connect_listeners (GstVulkanDisplayWayland * display)
|
|
{
|
|
display->registry = wl_display_get_registry (display->display);
|
|
wl_registry_add_listener (display->registry, ®istry_listener, display);
|
|
|
|
wl_display_roundtrip (display->display);
|
|
}
|
|
|
|
static void
|
|
gst_vulkan_display_wayland_class_init (GstVulkanDisplayWaylandClass * klass)
|
|
{
|
|
GST_VULKAN_DISPLAY_CLASS (klass)->get_handle =
|
|
GST_DEBUG_FUNCPTR (gst_vulkan_display_wayland_get_handle);
|
|
|
|
G_OBJECT_CLASS (klass)->finalize = gst_vulkan_display_wayland_finalize;
|
|
}
|
|
|
|
static void
|
|
gst_vulkan_display_wayland_init (GstVulkanDisplayWayland * display_wayland)
|
|
{
|
|
GstVulkanDisplay *display = (GstVulkanDisplay *) display_wayland;
|
|
|
|
display->type = GST_VULKAN_DISPLAY_TYPE_WAYLAND;
|
|
display_wayland->foreign_display = FALSE;
|
|
}
|
|
|
|
static void
|
|
gst_vulkan_display_wayland_finalize (GObject * object)
|
|
{
|
|
GstVulkanDisplayWayland *display_wayland =
|
|
GST_VULKAN_DISPLAY_WAYLAND (object);
|
|
|
|
if (!display_wayland->foreign_display && display_wayland->display) {
|
|
wl_display_flush (display_wayland->display);
|
|
wl_display_disconnect (display_wayland->display);
|
|
}
|
|
|
|
G_OBJECT_CLASS (gst_vulkan_display_wayland_parent_class)->finalize (object);
|
|
}
|
|
|
|
/**
|
|
* gst_vulkan_display_wayland_new:
|
|
* @name: (allow-none): a display name
|
|
*
|
|
* Create a new #GstVulkanDisplayWayland from the wayland display name. See wl_display_connect()
|
|
* for details on what is a valid name.
|
|
*
|
|
* Returns: (transfer full): a new #GstVulkanDisplayWayland or %NULL
|
|
*/
|
|
GstVulkanDisplayWayland *
|
|
gst_vulkan_display_wayland_new (const gchar * name)
|
|
{
|
|
GstVulkanDisplayWayland *ret;
|
|
|
|
ret = g_object_new (GST_TYPE_VULKAN_DISPLAY_WAYLAND, NULL);
|
|
gst_object_ref_sink (ret);
|
|
ret->display = wl_display_connect (name);
|
|
|
|
if (!ret->display) {
|
|
GST_ERROR ("Failed to open Wayland display connection with name, \'%s\'",
|
|
name);
|
|
return NULL;
|
|
}
|
|
|
|
/* connecting the listeners after attaching the event source will race with
|
|
* the source and the source may eat an event that we're waiting for and
|
|
* deadlock */
|
|
_connect_listeners (ret);
|
|
|
|
GST_VULKAN_DISPLAY (ret)->event_source =
|
|
wayland_event_source_new (ret->display, NULL);
|
|
g_source_attach (GST_VULKAN_DISPLAY (ret)->event_source,
|
|
GST_VULKAN_DISPLAY (ret)->main_context);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* gst_vulkan_display_wayland_new_with_display:
|
|
* @display: an existing, wayland display
|
|
*
|
|
* Creates a new display connection from a wl_display Display.
|
|
*
|
|
* Returns: (transfer full): a new #GstVulkanDisplayWayland
|
|
*/
|
|
GstVulkanDisplayWayland *
|
|
gst_vulkan_display_wayland_new_with_display (struct wl_display * display)
|
|
{
|
|
GstVulkanDisplayWayland *ret;
|
|
|
|
g_return_val_if_fail (display != NULL, NULL);
|
|
|
|
ret = g_object_new (GST_TYPE_VULKAN_DISPLAY_WAYLAND, NULL);
|
|
gst_object_ref_sink (ret);
|
|
|
|
ret->display = display;
|
|
ret->foreign_display = TRUE;
|
|
|
|
_connect_listeners (ret);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static gpointer
|
|
gst_vulkan_display_wayland_get_handle (GstVulkanDisplay * display)
|
|
{
|
|
return GST_VULKAN_DISPLAY_WAYLAND (display)->display;
|
|
}
|
|
|
|
static gboolean
|
|
_roundtrip_async (gpointer data)
|
|
{
|
|
GstVulkanDisplayWayland *display = data;
|
|
|
|
wl_display_roundtrip (display->display);
|
|
|
|
return G_SOURCE_REMOVE;
|
|
}
|
|
|
|
void
|
|
gst_vulkan_display_wayland_roundtrip_async (GstVulkanDisplayWayland * display)
|
|
{
|
|
g_return_if_fail (GST_IS_VULKAN_DISPLAY_WAYLAND (display));
|
|
|
|
g_main_context_invoke (GST_VULKAN_DISPLAY (display)->main_context,
|
|
(GSourceFunc) _roundtrip_async, display);
|
|
}
|