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authorMatthew Waters <matthew@centricular.com>2016-04-10 17:46:15 +1000
committerMatthew Waters <matthew@centricular.com>2016-04-11 14:18:47 +1000
commit65770c2af944ba2b222c74bd08dd8a1d01431149 (patch)
treef9b679f913fbe7dffb397bb9bacadaee0e5a2115 /ext/vulkan
parente46bd98fe613412ba3ffb72b1bd4a12b6b913c7b (diff)
downloadgstreamer-plugins-bad-65770c2af944ba2b222c74bd08dd8a1d01431149.tar.gz
vulkan: add a wayland winsys implementation
Diffstat (limited to 'ext/vulkan')
-rw-r--r--ext/vulkan/Makefile.am7
-rw-r--r--ext/vulkan/vkapi.h6
-rw-r--r--ext/vulkan/vkdevice.c5
-rw-r--r--ext/vulkan/vkdisplay.c25
-rw-r--r--ext/vulkan/vkinstance.c5
-rw-r--r--ext/vulkan/vkwindow.c7
-rw-r--r--ext/vulkan/wayland/Makefile.am29
-rw-r--r--ext/vulkan/wayland/vkdisplay_wayland.c189
-rw-r--r--ext/vulkan/wayland/vkdisplay_wayland.h78
-rw-r--r--ext/vulkan/wayland/vkwindow_wayland.c285
-rw-r--r--ext/vulkan/wayland/vkwindow_wayland.h74
-rw-r--r--ext/vulkan/wayland/wayland_event_source.c205
-rw-r--r--ext/vulkan/wayland/wayland_event_source.h34
13 files changed, 943 insertions, 6 deletions
diff --git a/ext/vulkan/Makefile.am b/ext/vulkan/Makefile.am
index eaf959753..673190fdd 100644
--- a/ext/vulkan/Makefile.am
+++ b/ext/vulkan/Makefile.am
@@ -1,7 +1,7 @@
plugin_LTLIBRARIES = libgstvulkan.la
SUBDIRS =
-DIST_SUBDIRS = xcb
+DIST_SUBDIRS = xcb wayland
DISTCLEANFILES = vkconfig.h
libgstvulkan_la_SOURCES = \
@@ -62,6 +62,11 @@ SUBDIRS += xcb
libgstvulkan_la_LIBADD += xcb/libgstvulkan-xcb.la
endif
+if USE_WAYLAND
+SUBDIRS += wayland
+libgstvulkan_la_LIBADD += wayland/libgstvulkan-wayland.la
+endif
+
libgstvulkan_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
libgstvulkan_la_LIBTOOLFLAGS = $(GST_PLUGIN_LIBTOOLFLAGS)
diff --git a/ext/vulkan/vkapi.h b/ext/vulkan/vkapi.h
index 525a6c055..e9c23aa92 100644
--- a/ext/vulkan/vkapi.h
+++ b/ext/vulkan/vkapi.h
@@ -34,6 +34,12 @@
#endif
#endif
+#if GST_VULKAN_HAVE_WINDOW_WAYLAND
+#ifndef VK_USE_PLATFORM_WAYLAND_KHR
+#define VK_USE_PLATFORM_WAYLAND_KHR
+#endif
+#endif
+
#include <vulkan/vulkan.h>
#endif /* _VK_H_ */
diff --git a/ext/vulkan/vkdevice.c b/ext/vulkan/vkdevice.c
index 5825391e8..24af95891 100644
--- a/ext/vulkan/vkdevice.c
+++ b/ext/vulkan/vkdevice.c
@@ -289,8 +289,13 @@ gst_vulkan_device_open (GstVulkanDevice * device, GError ** error)
device_info.pNext = NULL;
device_info.queueCreateInfoCount = 1;
device_info.pQueueCreateInfos = &queue_info;
+#if 0
device_info.enabledLayerCount = enabled_layer_count;
device_info.ppEnabledLayerNames = (const char *const *) enabled_layers;
+#else
+ device_info.enabledLayerCount = 0;
+ device_info.ppEnabledLayerNames = NULL;
+#endif
device_info.enabledExtensionCount = enabled_extension_count;
device_info.ppEnabledExtensionNames = (const char *const *) extension_names;
device_info.pEnabledFeatures = NULL;
diff --git a/ext/vulkan/vkdisplay.c b/ext/vulkan/vkdisplay.c
index a0668212e..096f251a8 100644
--- a/ext/vulkan/vkdisplay.c
+++ b/ext/vulkan/vkdisplay.c
@@ -33,6 +33,9 @@
#if GST_VULKAN_HAVE_WINDOW_XCB
#include "xcb/vkdisplay_xcb.h"
#endif
+#if GST_VULKAN_HAVE_WINDOW_WAYLAND
+#include "wayland/vkdisplay_wayland.h"
+#endif
GST_DEBUG_CATEGORY_STATIC (GST_CAT_CONTEXT);
#define GST_CAT_DEFAULT gst_vulkan_display_debug
@@ -142,11 +145,6 @@ gst_vulkan_display_finalize (GObject * object)
GstVulkanDisplay *display = GST_VULKAN_DISPLAY (object);
g_mutex_lock (&display->priv->thread_lock);
- if (display->main_context && display->event_source) {
- g_source_destroy (display->event_source);
- g_source_unref (display->event_source);
- }
- display->event_source = NULL;
if (display->main_loop)
g_main_loop_quit (display->main_loop);
@@ -159,6 +157,12 @@ gst_vulkan_display_finalize (GObject * object)
display->priv->event_thread = NULL;
g_mutex_unlock (&display->priv->thread_lock);
+ if (display->main_context && display->event_source) {
+ g_source_destroy (display->event_source);
+ g_source_unref (display->event_source);
+ }
+ display->event_source = NULL;
+
if (display->instance) {
gst_object_unref (display->instance);
}
@@ -179,6 +183,11 @@ gst_vulkan_display_new_with_type (GstVulkanInstance * instance,
display = GST_VULKAN_DISPLAY (gst_vulkan_display_xcb_new (NULL));
}
#endif
+#if GST_VULKAN_HAVE_WINDOW_WAYLAND
+ if (!display && type & GST_VULKAN_DISPLAY_TYPE_WAYLAND) {
+ display = GST_VULKAN_DISPLAY (gst_vulkan_display_wayland_new (NULL));
+ }
+#endif
if (display)
display->instance = gst_object_ref (instance);
@@ -387,6 +396,9 @@ gst_vulkan_display_choose_type (GstVulkanInstance * instance)
#if GST_VULKAN_HAVE_WINDOW_XCB
CHOOSE_WINSYS (xcb, XCB);
#endif
+#if GST_VULKAN_HAVE_WINDOW_WAYLAND
+ CHOOSE_WINSYS (wayland, WAYLAND);
+#endif
#undef CHOOSE_WINSYS
@@ -408,6 +420,9 @@ gst_vulkan_display_type_to_extension_string (GstVulkanDisplayType type)
if (type & GST_VULKAN_DISPLAY_TYPE_XCB)
return VK_KHR_XCB_SURFACE_EXTENSION_NAME;
+ if (type & GST_VULKAN_DISPLAY_TYPE_WAYLAND)
+ return VK_KHR_WAYLAND_SURFACE_EXTENSION_NAME;
+
return NULL;
}
diff --git a/ext/vulkan/vkinstance.c b/ext/vulkan/vkinstance.c
index 0e48a17ff..d61458e9b 100644
--- a/ext/vulkan/vkinstance.c
+++ b/ext/vulkan/vkinstance.c
@@ -299,8 +299,13 @@ gst_vulkan_instance_open (GstVulkanInstance * instance, GError ** error)
inst_info.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO;
inst_info.pNext = NULL;
inst_info.pApplicationInfo = &app;
+#if 0
inst_info.enabledLayerCount = enabled_layer_count;
inst_info.ppEnabledLayerNames = (const char *const *) enabled_layers;
+#else
+ inst_info.enabledLayerCount = 0;
+ inst_info.ppEnabledLayerNames = NULL;
+#endif
inst_info.enabledExtensionCount = enabled_extension_count;
inst_info.ppEnabledExtensionNames = (const char *const *) extension_names;
diff --git a/ext/vulkan/vkwindow.c b/ext/vulkan/vkwindow.c
index caa3c47f1..56b3e6063 100644
--- a/ext/vulkan/vkwindow.c
+++ b/ext/vulkan/vkwindow.c
@@ -43,6 +43,9 @@
#if GST_VULKAN_HAVE_WINDOW_XCB
#include "xcb/vkwindow_xcb.h"
#endif
+#if GST_VULKAN_HAVE_WINDOW_WAYLAND
+#include "wayland/vkwindow_wayland.h"
+#endif
#define GST_CAT_DEFAULT gst_vulkan_window_debug
GST_DEBUG_CATEGORY (GST_CAT_DEFAULT);
@@ -183,6 +186,10 @@ gst_vulkan_window_new (GstVulkanDisplay * display)
if (!window && (!user_choice || g_strstr_len (user_choice, 3, "xcb")))
window = GST_VULKAN_WINDOW (gst_vulkan_window_xcb_new (display));
#endif
+#if GST_VULKAN_HAVE_WINDOW_WAYLAND
+ if (!window && (!user_choice || g_strstr_len (user_choice, 7, "wayland")))
+ window = GST_VULKAN_WINDOW (gst_vulkan_window_wayland_new (display));
+#endif
if (!window) {
/* subclass returned a NULL window */
GST_WARNING ("Could not create window. user specified %s, creating dummy"
diff --git a/ext/vulkan/wayland/Makefile.am b/ext/vulkan/wayland/Makefile.am
new file mode 100644
index 000000000..f92d85e2c
--- /dev/null
+++ b/ext/vulkan/wayland/Makefile.am
@@ -0,0 +1,29 @@
+## Process this file with automake to produce Makefile.in
+
+noinst_LTLIBRARIES = libgstvulkan-wayland.la
+
+libgstvulkan_wayland_la_SOURCES = \
+ vkdisplay_wayland.c \
+ vkwindow_wayland.c \
+ wayland_event_source.c
+
+noinst_HEADERS = \
+ vkdisplay_wayland.h \
+ vkwindow_wayland.h \
+ wayland_event_source.h
+
+libgstvulkan_wayland_la_CFLAGS = \
+ -I$(top_srcdir)/gst-libs \
+ -I$(top_srcdir)/ext/vulkan \
+ -I$(top_builddir)/gst-libs \
+ $(GST_PLUGINS_BASE_CFLAGS) \
+ $(GST_BASE_CFLAGS) \
+ $(GST_CFLAGS) \
+ $(WAYLAND_CFLAGS)
+
+libgstvulkan_wayland_la_LIBADD = \
+ $(WAYLAND_LIBS)
+
+libgstvulkan_wayland_la_LDFLAGS = \
+ $(GST_LIB_LDFLAGS) \
+ $(GST_ALL_LDFLAGS)
diff --git a/ext/vulkan/wayland/vkdisplay_wayland.c b/ext/vulkan/wayland/vkdisplay_wayland.c
new file mode 100644
index 000000000..686d67103
--- /dev/null
+++ b/ext/vulkan/wayland/vkdisplay_wayland.c
@@ -0,0 +1,189 @@
+/*
+ * 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, &registry_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);
+ 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);
+
+ 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);
+}
diff --git a/ext/vulkan/wayland/vkdisplay_wayland.h b/ext/vulkan/wayland/vkdisplay_wayland.h
new file mode 100644
index 000000000..44c13401a
--- /dev/null
+++ b/ext/vulkan/wayland/vkdisplay_wayland.h
@@ -0,0 +1,78 @@
+/*
+ * 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.
+ */
+
+#ifndef __GST_VK_DISPLAY_WAYLAND_H__
+#define __GST_VK_DISPLAY_WAYLAND_H__
+
+#include <gst/gst.h>
+
+#include <wayland-client.h>
+
+#include <vk.h>
+
+G_BEGIN_DECLS
+
+GType gst_vulkan_display_wayland_get_type (void);
+
+#define GST_TYPE_VULKAN_DISPLAY_WAYLAND (gst_vulkan_display_wayland_get_type())
+#define GST_VULKAN_DISPLAY_WAYLAND(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_VULKAN_DISPLAY_WAYLAND,GstVulkanDisplayWayland))
+#define GST_VULKAN_DISPLAY_WAYLAND_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_VULKAN_DISPLAY_WAYLAND,GstVulkanDisplayWaylandClass))
+#define GST_IS_VULKAN_DISPLAY_WAYLAND(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_VULKAN_DISPLAY_WAYLAND))
+#define GST_IS_VULKAN_DISPLAY_WAYLAND_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_VULKAN_DISPLAY_WAYLAND))
+#define GST_VULKAN_DISPLAY_WAYLAND_CAST(obj) ((GstVulkanDisplayWayland*)(obj))
+
+typedef struct _GstVulkanDisplayWayland GstVulkanDisplayWayland;
+typedef struct _GstVulkanDisplayWaylandClass GstVulkanDisplayWaylandClass;
+
+/**
+ * GstVulkanDisplayWayland:
+ *
+ * the contents of a #GstVulkanDisplayWayland are private and should only be accessed
+ * through the provided API
+ */
+struct _GstVulkanDisplayWayland
+{
+ GstVulkanDisplay parent;
+
+ struct wl_display *display;
+ struct wl_registry *registry;
+ struct wl_compositor *compositor;
+ struct wl_subcompositor *subcompositor;
+ struct wl_shell *shell;
+
+ /* <private> */
+ gboolean foreign_display;
+};
+
+struct _GstVulkanDisplayWaylandClass
+{
+ GstVulkanDisplayClass object_class;
+};
+
+#define GST_VULKAN_DISPLAY_WAYLAND_DISPLAY(display_) (GST_VULKAN_DISPLAY_WAYLAND (display_)->display)
+
+GstVulkanDisplayWayland *gst_vulkan_display_wayland_new (const gchar * name);
+GstVulkanDisplayWayland *gst_vulkan_display_wayland_new_with_display (struct wl_display *display);
+
+void gst_vulkan_display_wayland_roundtrip_async (GstVulkanDisplayWayland * display);
+
+G_END_DECLS
+
+#endif /* __GST_VULKAN_DISPLAY_WAYLAND_H__ */
diff --git a/ext/vulkan/wayland/vkwindow_wayland.c b/ext/vulkan/wayland/vkwindow_wayland.c
new file mode 100644
index 000000000..dc9902778
--- /dev/null
+++ b/ext/vulkan/wayland/vkwindow_wayland.c
@@ -0,0 +1,285 @@
+/*
+ * 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.
+ */
+
+#define GLIB_DISABLE_DEPRECATION_WARNINGS
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <linux/input.h>
+
+#include "wayland_event_source.h"
+
+#include "vkdisplay_wayland.h"
+#include "vkwindow_wayland.h"
+
+#define GST_CAT_DEFAULT gst_vulkan_window_wayland_debug
+GST_DEBUG_CATEGORY_STATIC (GST_CAT_DEFAULT);
+
+#define gst_vulkan_window_wayland_parent_class parent_class
+G_DEFINE_TYPE (GstVulkanWindowWayland, gst_vulkan_window_wayland,
+ GST_TYPE_VULKAN_WINDOW)
+
+ static void gst_vulkan_window_wayland_close (GstVulkanWindow * window);
+ static gboolean gst_vulkan_window_wayland_open (GstVulkanWindow * window,
+ GError ** error);
+ static VkSurfaceKHR gst_vulkan_window_wayland_get_surface (GstVulkanWindow
+ * window, GError ** error);
+ static gboolean
+ gst_vulkan_window_wayland_get_presentation_support (GstVulkanWindow *
+ window, GstVulkanDevice * device, guint32 queue_family_idx);
+
+ static void
+ handle_ping (void *data, struct wl_shell_surface *shell_surface,
+ uint32_t serial)
+{
+ GstVulkanWindowWayland *window_wl = data;
+
+ GST_TRACE_OBJECT (window_wl, "ping received serial %u", serial);
+
+ wl_shell_surface_pong (shell_surface, serial);
+}
+
+/*
+static void window_resize (GstVulkanWindowWayland * window_wl, guint width,
+ guint height);*/
+
+static void
+handle_configure (void *data, struct wl_shell_surface *shell_surface,
+ uint32_t edges, int32_t width, int32_t height)
+{
+ GstVulkanWindowWayland *window_wl = data;
+
+ GST_DEBUG_OBJECT (window_wl, "configure event on surface %p, %ix%i",
+ shell_surface, width, height);
+
+ /*window_resize (window_wl, width, 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 void
+destroy_surfaces (GstVulkanWindowWayland * window_wl)
+{
+ GST_DEBUG_OBJECT (window_wl, "destroying created surfaces");
+
+ if (window_wl->shell_surface) {
+ wl_shell_surface_destroy (window_wl->shell_surface);
+ window_wl->shell_surface = NULL;
+ }
+ if (window_wl->surface) {
+ wl_surface_destroy (window_wl->surface);
+ window_wl->surface = NULL;
+ }
+}
+
+static void
+create_surfaces (GstVulkanWindowWayland * window_wl)
+{
+ GstVulkanDisplayWayland *display =
+ GST_VULKAN_DISPLAY_WAYLAND (GST_VULKAN_WINDOW (window_wl)->display);
+ gint width, height;
+
+ if (!window_wl->surface) {
+ window_wl->surface = wl_compositor_create_surface (display->compositor);
+ if (window_wl->queue)
+ wl_proxy_set_queue ((struct wl_proxy *) window_wl->surface,
+ window_wl->queue);
+ }
+
+ if (!window_wl->shell_surface) {
+ window_wl->shell_surface =
+ wl_shell_get_shell_surface (display->shell, window_wl->surface);
+ if (window_wl->queue)
+ wl_proxy_set_queue ((struct wl_proxy *) window_wl->shell_surface,
+ window_wl->queue);
+
+ wl_shell_surface_add_listener (window_wl->shell_surface,
+ &shell_surface_listener, window_wl);
+
+ wl_shell_surface_set_title (window_wl->shell_surface, "Vulkan Renderer");
+ wl_shell_surface_set_toplevel (window_wl->shell_surface);
+ GST_DEBUG_OBJECT (window_wl, "Successfully created shell surface %p",
+ window_wl->shell_surface);
+ }
+
+ if (window_wl->window_width > 0)
+ width = window_wl->window_width;
+ else
+ width = 320;
+ window_wl->window_width = width;
+
+ if (window_wl->window_height > 0)
+ height = window_wl->window_height;
+ else
+ height = 240;
+ window_wl->window_height = height;
+}
+
+static void
+gst_vulkan_window_wayland_class_init (GstVulkanWindowWaylandClass * klass)
+{
+ GstVulkanWindowClass *window_class = (GstVulkanWindowClass *) klass;
+
+ window_class->close = GST_DEBUG_FUNCPTR (gst_vulkan_window_wayland_close);
+ window_class->open = GST_DEBUG_FUNCPTR (gst_vulkan_window_wayland_open);
+ window_class->get_surface =
+ GST_DEBUG_FUNCPTR (gst_vulkan_window_wayland_get_surface);
+ window_class->get_presentation_support =
+ GST_DEBUG_FUNCPTR (gst_vulkan_window_wayland_get_presentation_support);
+}
+
+static void
+gst_vulkan_window_wayland_init (GstVulkanWindowWayland * window)
+{
+}
+
+GstVulkanWindowWayland *
+gst_vulkan_window_wayland_new (GstVulkanDisplay * display)
+{
+ if ((gst_vulkan_display_get_handle_type (display) &
+ GST_VULKAN_DISPLAY_TYPE_WAYLAND)
+ == 0)
+ /* we require a wayland display to create wayland surfaces */
+ return NULL;
+
+ GST_DEBUG ("creating Wayland window");
+
+ return g_object_new (GST_TYPE_VULKAN_WINDOW_WAYLAND, NULL);
+}
+
+static void
+gst_vulkan_window_wayland_close (GstVulkanWindow * window)
+{
+ GstVulkanWindowWayland *window_wl;
+
+ window_wl = GST_VULKAN_WINDOW_WAYLAND (window);
+
+ destroy_surfaces (window_wl);
+
+ g_source_destroy (window_wl->wl_source);
+ g_source_unref (window_wl->wl_source);
+ window_wl->wl_source = NULL;
+
+ GST_VULKAN_WINDOW_CLASS (parent_class)->close (window);
+}
+
+static gboolean
+gst_vulkan_window_wayland_open (GstVulkanWindow * window, GError ** error)
+{
+ GstVulkanDisplayWayland *display;
+ GstVulkanWindowWayland *window_wl = GST_VULKAN_WINDOW_WAYLAND (window);
+
+ if (!GST_IS_VULKAN_DISPLAY_WAYLAND (window->display)) {
+ g_set_error (error, GST_VULKAN_WINDOW_ERROR,
+ GST_VULKAN_WINDOW_ERROR_RESOURCE_UNAVAILABLE,
+ "Failed to retrieve Wayland display (wrong type?)");
+ return FALSE;
+ }
+ display = GST_VULKAN_DISPLAY_WAYLAND (window->display);
+
+ if (!display->display) {
+ g_set_error (error, GST_VULKAN_WINDOW_ERROR,
+ GST_VULKAN_WINDOW_ERROR_RESOURCE_UNAVAILABLE,
+ "Failed to retrieve Wayland display");
+ return FALSE;
+ }
+
+ window_wl->queue = NULL;
+
+ if (!GST_VULKAN_WINDOW_CLASS (parent_class)->open (window, error))
+ return FALSE;
+
+ create_surfaces (window_wl);
+
+ gst_vulkan_display_wayland_roundtrip_async (display);
+
+ return TRUE;
+}
+
+static VkSurfaceKHR
+gst_vulkan_window_wayland_get_surface (GstVulkanWindow * window,
+ GError ** error)
+{
+ GstVulkanWindowWayland *window_wl = GST_VULKAN_WINDOW_WAYLAND (window);
+ VkWaylandSurfaceCreateInfoKHR info = { 0, };
+ VkSurfaceKHR ret;
+ VkResult err;
+
+ info.sType = VK_STRUCTURE_TYPE_WAYLAND_SURFACE_CREATE_INFO_KHR;
+ info.pNext = NULL;
+ info.flags = 0;
+ info.display = GST_VULKAN_DISPLAY_WAYLAND_DISPLAY (window->display);
+ info.surface = window_wl->surface;
+
+ if (!window_wl->CreateWaylandSurface)
+ window_wl->CreateWaylandSurface =
+ gst_vulkan_instance_get_proc_address (window->display->instance,
+ "vkCreateWaylandSurfaceKHR");
+ if (!window_wl->CreateWaylandSurface) {
+ g_set_error_literal (error, GST_VULKAN_ERROR, VK_ERROR_FEATURE_NOT_PRESENT,
+ "Could not retrieve \"vkCreateWaylandSurfaceKHR\" function pointer");
+ return NULL;
+ }
+
+ err =
+ window_wl->CreateWaylandSurface (window->display->instance->instance,
+ &info, NULL, &ret);
+ if (gst_vulkan_error_to_g_error (err, error, "vkCreateWaylandSurfaceKHR") < 0)
+ return NULL;
+
+ return ret;
+}
+
+static gboolean
+gst_vulkan_window_wayland_get_presentation_support (GstVulkanWindow * window,
+ GstVulkanDevice * device, guint32 queue_family_idx)
+{
+ GstVulkanWindowWayland *window_wl = GST_VULKAN_WINDOW_WAYLAND (window);
+ VkPhysicalDevice gpu;
+
+ if (!window_wl->GetPhysicalDeviceWaylandPresentationSupport)
+ window_wl->GetPhysicalDeviceWaylandPresentationSupport =
+ gst_vulkan_instance_get_proc_address (window->display->instance,
+ "vkGetPhysicalDeviceWaylandPresentationSupportKHR");
+ if (!window_wl->GetPhysicalDeviceWaylandPresentationSupport) {
+ GST_WARNING_OBJECT (window, "Could not retrieve "
+ "\"vkGetPhysicalDeviceWaylandPresentationSupportKHR\" "
+ "function pointer");
+ return FALSE;
+ }
+
+ gpu = gst_vulkan_device_get_physical_device (device);
+ if (window_wl->GetPhysicalDeviceWaylandPresentationSupport (gpu,
+ queue_family_idx,
+ GST_VULKAN_DISPLAY_WAYLAND_DISPLAY (window->display)))
+ return TRUE;
+ return FALSE;
+}
diff --git a/ext/vulkan/wayland/vkwindow_wayland.h b/ext/vulkan/wayland/vkwindow_wayland.h
new file mode 100644
index 000000000..3d181f84c
--- /dev/null
+++ b/ext/vulkan/wayland/vkwindow_wayland.h
@@ -0,0 +1,74 @@
+/*
+ * 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.
+ */
+
+#ifndef __GST_VK_WINDOW_WAYLAND_H__
+#define __GST_VK_WINDOW_WAYLAND_H__
+
+#include <wayland-client.h>
+#include <wayland-cursor.h>
+
+#include <vk.h>
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_VULKAN_WINDOW_WAYLAND (gst_vulkan_window_wayland_get_type())
+#define GST_VULKAN_WINDOW_WAYLAND(o) (G_TYPE_CHECK_INSTANCE_CAST((o), GST_TYPE_VULKAN_WINDOW_WAYLAND, GstVulkanWindowWayland))
+#define GST_VULKAN_WINDOW_WAYLAND_CLASS(k) (G_TYPE_CHECK_CLASS((k), GST_TYPE_VULKAN_WINDOW_WAYLAND, GstVulkanWindowWaylandClass))
+#define GST_IS_VULKAN_WINDOW_WAYLAND(o) (G_TYPE_CHECK_INSTANCE_TYPE((o), GST_TYPE_VULKAN_WINDOW_WAYLAND))
+#define GST_IS_VULKAN_WINDOW_WAYLAND_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE((k), GST_TYPE_VULKAN_WINDOW_WAYLAND))
+#define GST_VULKAN_WINDOW_WAYLAND_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS((o), GST_TYPE_VULKAN_WINDOW_WAYLAND, GstVulkanWindowWaylandClass))
+
+typedef struct _GstVulkanWindowWayland GstVulkanWindowWayland;
+typedef struct _GstVulkanWindowWaylandClass GstVulkanWindowWaylandClass;
+
+struct _GstVulkanWindowWayland {
+ /*< private >*/
+ GstVulkanWindow parent;
+
+ PFN_vkCreateWaylandSurfaceKHR CreateWaylandSurface;
+ PFN_vkGetPhysicalDeviceWaylandPresentationSupportKHR GetPhysicalDeviceWaylandPresentationSupport;
+
+ struct wl_event_queue *queue;
+ struct wl_surface *surface;
+ struct wl_shell_surface *shell_surface;
+ struct wl_callback *callback;
+
+ int window_width, window_height;
+
+ GSource *wl_source;
+
+ gpointer _reserved[GST_PADDING];
+};
+
+struct _GstVulkanWindowWaylandClass {
+ /*< private >*/
+ GstVulkanWindowClass parent_class;
+
+ /*< private >*/
+ gpointer _reserved[GST_PADDING];
+};
+
+GType gst_vulkan_window_wayland_get_type (void);
+
+GstVulkanWindowWayland * gst_vulkan_window_wayland_new (GstVulkanDisplay * display);
+
+G_END_DECLS
+
+#endif /* __GST_GL_WINDOW_X11_H__ */
diff --git a/ext/vulkan/wayland/wayland_event_source.c b/ext/vulkan/wayland/wayland_event_source.c
new file mode 100644
index 000000000..e1ae1ef35
--- /dev/null
+++ b/ext/vulkan/wayland/wayland_event_source.c
@@ -0,0 +1,205 @@
+/*
+ * GStreamer
+ * Copyright (C) 2010 Intel Corporation.
+ * Copyright (C) 2012 Matthew Waters <ystreet00@gmail.com>
+ * 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.
+ *
+ * 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"
+
+static void
+sync_callback (void *data, struct wl_callback *callback, uint32_t serial)
+{
+ gboolean *done = data;
+
+ *done = TRUE;
+ wl_callback_destroy (callback);
+}
+
+static const struct wl_callback_listener sync_listener = {
+ sync_callback
+};
+
+/* only thread safe iff called on the same thread @queue is being dispatched on */
+gint
+gst_vulkan_wl_display_roundtrip_queue (struct wl_display *display,
+ struct wl_event_queue *queue)
+{
+ struct wl_callback *callback;
+ gboolean done = FALSE;
+ gint ret = 0;
+
+ if (queue) {
+ /* creating a wl_proxy and setting the queue is racy with the dispatching
+ * of the default queue */
+ while (wl_display_prepare_read_queue (display, queue) != 0) {
+ if ((ret = wl_display_dispatch_queue_pending (display, queue)) < 0)
+ return ret;
+ }
+ }
+ if (!(callback = wl_display_sync (display))) {
+ return -1;
+ }
+ wl_callback_add_listener (callback, &sync_listener, &done);
+ if (queue) {
+ wl_proxy_set_queue ((struct wl_proxy *) callback, queue);
+ wl_display_cancel_read (display);
+ while (!done && ret >= 0)
+ ret = wl_display_dispatch_queue (display, queue);
+ } else {
+ while (!done && ret >= 0)
+ ret = wl_display_dispatch (display);
+ }
+
+ if (ret == -1 && !done)
+ wl_callback_destroy (callback);
+
+ return ret;
+}
+
+typedef struct _WaylandEventSource
+{
+ GSource source;
+ GPollFD pfd;
+ uint32_t mask;
+ struct wl_display *display;
+ struct wl_event_queue *queue;
+ gboolean reading;
+} WaylandEventSource;
+
+static gboolean
+wayland_event_source_prepare (GSource * base, gint * timeout)
+{
+ WaylandEventSource *source = (WaylandEventSource *) base;
+
+ *timeout = -1;
+
+ /* we may be called multiple times for prepare */
+ if (source->reading)
+ wl_display_cancel_read (source->display);
+
+ if (source->queue) {
+ while (wl_display_prepare_read_queue (source->display, source->queue) != 0) {
+ if (wl_display_dispatch_queue_pending (source->display,
+ source->queue) < 0) {
+ g_critical ("Failed to dispatch pending events\n");
+ }
+ }
+ } else {
+ while (wl_display_prepare_read (source->display) != 0) {
+ if (wl_display_dispatch_pending (source->display) < 0) {
+ g_critical ("Failed to dispatch pending events\n");
+ }
+ }
+ }
+ source->reading = TRUE;
+
+ /* FIXME: this may return EAGAIN if the fd is full */
+ if (wl_display_flush (source->display) < 0)
+ g_critical ("Failed to flush Wayland connection\n");
+
+ return FALSE;
+}
+
+static gboolean
+wayland_event_source_check (GSource * base)
+{
+ WaylandEventSource *source = (WaylandEventSource *) base;
+ gboolean retval;
+
+ retval = source->pfd.revents;
+
+ if (source->pfd.revents & G_IO_IN) {
+ wl_display_read_events (source->display);
+ } else {
+ wl_display_cancel_read (source->display);
+ }
+ source->reading = FALSE;
+
+ return retval;
+}
+
+static gboolean
+wayland_event_source_dispatch (GSource * base,
+ GSourceFunc callback, gpointer data)
+{
+ WaylandEventSource *source = (WaylandEventSource *) base;
+
+ if (source->queue)
+ wl_display_dispatch_queue_pending (source->display, source->queue);
+ else
+ wl_display_dispatch_pending (source->display);
+ source->pfd.revents = 0;
+
+ if (callback)
+ callback (data);
+
+ return TRUE;
+}
+
+static void
+wayland_event_source_finalize (GSource * base)
+{
+ WaylandEventSource *source = (WaylandEventSource *) base;
+
+ if (source->reading) {
+ wl_display_cancel_read (source->display);
+ }
+ source->reading = FALSE;
+}
+
+static GSourceFuncs wayland_event_source_funcs = {
+ wayland_event_source_prepare,
+ wayland_event_source_check,
+ wayland_event_source_dispatch,
+ wayland_event_source_finalize
+};
+
+GSource *
+wayland_event_source_new (struct wl_display *display,
+ struct wl_event_queue *queue)
+{
+ WaylandEventSource *source;
+
+ source = (WaylandEventSource *)
+ g_source_new (&wayland_event_source_funcs, sizeof (WaylandEventSource));
+ source->display = display;
+ source->queue = queue;
+ 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;
+}
diff --git a/ext/vulkan/wayland/wayland_event_source.h b/ext/vulkan/wayland/wayland_event_source.h
new file mode 100644
index 000000000..25ffe7bb4
--- /dev/null
+++ b/ext/vulkan/wayland/wayland_event_source.h
@@ -0,0 +1,34 @@
+/*
+ * 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.
+ */
+
+#ifndef __WAYLAND_EVENT_SOURCE_H__
+#define __WAYLAND_EVENT_SOURCE_H__
+
+#include <glib-object.h>
+
+#include <wayland-client.h>
+
+GSource * wayland_event_source_new (struct wl_display *display,
+ struct wl_event_queue *queue);
+
+G_GNUC_INTERNAL gint gst_vulkan_wl_display_roundtrip_queue (struct wl_display *display,
+ struct wl_event_queue *queue);
+
+#endif /* __WAYLAND_EVENT_SOURCE_H__ */