If drm fd is negative value, get fd with wayland protocol

Change-Id: I71dfe3aab0f4e2b502f1a96613aa48a0baefecea

6 files changed, 351 insertions, 6 deletions

diff --git a/configure.ac b/configure.ac
index 510fe0c..15826cf 100644
--- a/configure.ac
+++ b/configure.ac
@@ -39,6 +39,10 @@ m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
 PKG_CHECK_MODULES(LIBDRM, libdrm)
 PKG_CHECK_MODULES(LIBTBM, libtbm)
 PKG_CHECK_MODULES(DLOG, dlog)
+PKG_CHECK_MODULES(WAYLAND_CLIENT, wayland-client wayland-server)
+
+WYLAND_PREFIX=`$PKG_CONFIG --variable=prefix wayland-client wayland-server`
+AC_PATH_PROG([WAYLAND_SCANNER], [wayland-scanner],, [${WAYLAND_PREFIX}/bin$PATH_SEPARATOR$PATH])
 
 AC_ARG_ENABLE(cachectrl,
 	      AS_HELP_STRING([--enable-cachectrl],
@@ -49,8 +53,8 @@ if test "x$CACHE_CTRL" = xyes; then
     AC_DEFINE(ENABLE_CACHECRTL, 1, [Enable cache control])
 fi
 
-LIBTBM_DUMB_CFLAGS="$LIBDRM_CFLAGS $LIBTBM_CFLAGS $DLOG_CFLAGS "
-LIBTBM_DUMB_LIBS="$LIBDRM_LIBS $LIBTBM_LIBS $DLOG_LIBS "
+LIBTBM_DUMB_CFLAGS="$LIBDRM_CFLAGS $LIBTBM_CFLAGS $DLOG_CFLAGS $WAYLAND_CLIENT_CLFAGS "
+LIBTBM_DUMB_LIBS="$LIBDRM_LIBS $LIBTBM_LIBS $DLOG_LIBS $WAYLAND_CLIENT_LIBS "
 AC_SUBST(LIBTBM_DUMB_CFLAGS)
 AC_SUBST(LIBTBM_DUMB_LIBS)
 
diff --git a/packaging/libtbm-dumb.spec b/packaging/libtbm-dumb.spec
index ce22ee3..9b4ad6a 100644
--- a/packaging/libtbm-dumb.spec
+++ b/packaging/libtbm-dumb.spec
@@ -12,6 +12,7 @@ BuildRequires:  pkgconfig(pthread-stubs)
 BuildRequires:  pkgconfig(libdrm)
 BuildRequires:  pkgconfig(libtbm)
 BuildRequires:  pkgconfig(dlog)
+BuildRequires:  pkgconfig(wayland-client)
 
 %description
 descriptionion: Tizen Buffer manager backend module uses drm dumb
diff --git a/src/Makefile.am b/src/Makefile.am
index 864f44b..161a61a 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -1,11 +1,13 @@
 AM_CFLAGS = \
 	@LIBTBM_DUMB_CFLAGS@ \
 	-I$(top_srcdir) \
-	-I$(top_srcdir)/src
+	-I$(top_srcdir)/src \
+	-I/usr/include/drm
 
 libtbm_dumb_la_LTLIBRARIES = libtbm_dumb.la
 libtbm_dumb_ladir = /${bufmgr_dir}
 libtbm_dumb_la_LIBADD = @LIBTBM_DUMB_LIBS@
 
 libtbm_dumb_la_SOURCES = \
-	tbm_bufmgr_dumb.c
+	tbm_bufmgr_dumb.c \
+	tbm_wayland.c
diff --git a/src/tbm_bufmgr_dumb.c b/src/tbm_bufmgr_dumb.c
index d806f73..620e200 100644
--- a/src/tbm_bufmgr_dumb.c
+++ b/src/tbm_bufmgr_dumb.c
@@ -49,6 +49,7 @@ SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #include <pthread.h>
 #include <tbm_surface.h>
 #include <tbm_surface_internal.h>
+#include "tbm_wayland.h"
 
 #define DEBUG
 #define USE_DMAIMPORT
@@ -191,6 +192,8 @@ struct _tbm_bufmgr_dumb
     void* hashBos;
 
     int use_dma_fence;
+
+    int fd_owner;
 };
 
 char *STR_DEVICE[]=
@@ -1137,6 +1140,9 @@ tbm_dumb_bufmgr_deinit (void *priv)
         bufmgr_dumb->hashBos = NULL;
     }
 
+    if (bufmgr_dumb->fd_owner)
+        close(bufmgr_dumb->fd);
+
     free (bufmgr_dumb);
 }
 
@@ -1789,8 +1795,15 @@ init_tbm_bufmgr_priv (tbm_bufmgr bufmgr, int fd)
         return 0;
     }
 
-    bufmgr_dumb->fd = fd;
-    if (bufmgr_dumb->fd < 0)
+    if (fd < 0)
+    {
+        bufmgr_dumb->fd = tbm_bufmgr_get_drm_fd_wayland();
+        bufmgr_dumb->fd_owner = 1;
+    }
+    else
+        bufmgr_dumb->fd = fd;
+
+    if (bufmgr_dumb->fd  < 0)
     {
         TBM_DUMB_LOG ("error: Fail to create drm!\n");
         free (bufmgr_dumb);
@@ -1820,6 +1833,10 @@ init_tbm_bufmgr_priv (tbm_bufmgr bufmgr, int fd)
         TBM_DUMB_LOG ("error: Fail to create drm!\n");
         if (bufmgr_dumb->hashBos)
             drmHashDestroy (bufmgr_dumb->hashBos);
+
+        if (bufmgr_dumb->fd_owner)
+            close(bufmgr_dumb->fd);
+
         free (bufmgr_dumb);
         return 0;
     }
@@ -1861,6 +1878,10 @@ init_tbm_bufmgr_priv (tbm_bufmgr bufmgr, int fd)
     if (!tbm_backend_init (bufmgr, bufmgr_backend))
     {
         TBM_DUMB_LOG ("error: Fail to init backend!\n");
+
+        if (bufmgr_dumb->fd_owner)
+            close(bufmgr_dumb->fd);
+
         tbm_backend_free (bufmgr_backend);
         free (bufmgr_dumb);
         return 0;
diff --git a/src/tbm_wayland.c b/src/tbm_wayland.c
new file mode 100644
index 0000000..57286ff
--- /dev/null
+++ b/src/tbm_wayland.c
@@ -0,0 +1,279 @@
+/**************************************************************************
+
+libtbm
+
+Copyright 2012 Samsung Electronics co., Ltd. All Rights Reserved.
+
+Contact: SooChan Lim <sc1.lim@samsung.com>, Sangjin Lee <lsj119@samsung.com>
+Boram Park <boram1288.park@samsung.com>, Changyeon Lee <cyeon.lee@samsung.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sub license, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice (including the
+next paragraph) shall be included in all copies or substantial portions
+of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
+ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+**************************************************************************/
+
+#include "config.h"
+
+#include <xf86drm.h>
+
+#include <stdint.h>
+#include <stddef.h>
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <wayland-client.h>
+
+#include "wayland-util.h"
+
+extern const struct wl_interface wl_buffer_interface;
+
+static const struct wl_interface *types[] = {
+	NULL,
+	NULL,
+	NULL,
+	&wl_buffer_interface,
+	NULL,
+	NULL,
+	NULL,
+	NULL,
+	NULL,
+	NULL,
+	NULL,
+	NULL,
+	NULL,
+	NULL,
+	NULL,
+	NULL,
+	NULL,
+	NULL,
+	NULL,
+	NULL,
+	NULL,
+	NULL,
+	&wl_buffer_interface,
+	NULL,
+	NULL,
+	NULL,
+	NULL,
+	NULL,
+	NULL,
+	NULL,
+	NULL,
+	NULL,
+	NULL,
+	NULL,
+	NULL,
+	NULL,
+	NULL,
+	NULL,
+	NULL,
+	NULL,
+	NULL,
+};
+
+static const struct wl_message wl_tbm_requests[] = {
+	{"create_buffer", "niiuiiiiiiiiiiuiuuu", types + 3},
+	{"create_buffer_with_fd", "niiuiiiiiiiiiiuihhh", types + 22},
+	{"get_authentication_info", "", types + 0},
+};
+
+static const struct wl_message wl_tbm_events[] = {
+	{"authentication_info", "suh", types + 0},
+};
+
+WL_EXPORT const struct wl_interface wl_tbm_interface = {
+	"wl_tbm", 1,
+	3, wl_tbm_requests,
+	1, wl_tbm_events,
+};
+
+struct wl_buffer;
+struct wl_tbm;
+
+extern const struct wl_interface wl_tbm_interface;
+
+#ifndef WL_TBM_ERROR_ENUM
+#define WL_TBM_ERROR_ENUM
+enum wl_tbm_error {
+	WL_TBM_ERROR_AUTHENTICATE_FAIL = 0,
+	WL_TBM_ERROR_INVALID_FORMAT = 1,
+	WL_TBM_ERROR_INVALID_NAME = 2,
+};
+#endif							/* WL_TBM_ERROR_ENUM */
+
+struct wl_tbm_listener {
+	/**
+     * authentication_info - (none)
+     * @device_name: (none)
+     * @capabilities: (none)
+     * @auth_fd: (none)
+     */
+	void (*authentication_info) (void *data, struct wl_tbm * wl_tbm, const char *device_name, uint32_t capabilities, int32_t auth_fd);
+};
+
+static inline int wl_tbm_add_listener(struct wl_tbm *wl_tbm, const struct wl_tbm_listener *listener, void *data)
+{
+	return wl_proxy_add_listener((struct wl_proxy *)wl_tbm, (void (**)(void))listener, data);
+}
+
+#define WL_TBM_CREATE_BUFFER    0
+#define WL_TBM_CREATE_BUFFER_WITH_FD    1
+#define WL_TBM_GET_AUTHENTICATION_INFO  2
+
+static inline void wl_tbm_set_user_data(struct wl_tbm *wl_tbm, void *user_data)
+{
+	wl_proxy_set_user_data((struct wl_proxy *)wl_tbm, user_data);
+}
+
+static inline void *wl_tbm_get_user_data(struct wl_tbm *wl_tbm)
+{
+	return wl_proxy_get_user_data((struct wl_proxy *)wl_tbm);
+}
+
+static inline void wl_tbm_destroy(struct wl_tbm *wl_tbm)
+{
+	wl_proxy_destroy((struct wl_proxy *)wl_tbm);
+}
+
+static inline void wl_tbm_get_authentication_info(struct wl_tbm *wl_tbm)
+{
+	wl_proxy_marshal((struct wl_proxy *)wl_tbm, WL_TBM_GET_AUTHENTICATION_INFO);
+}
+
+struct wl_tbm_info {
+	struct wl_display *dpy;
+	struct wl_event_queue *wl_queue;
+	struct wl_tbm *wl_tbm;
+
+	uint32_t capabilities;
+	char *device;
+	int32_t fd;
+};
+
+static void handle_tbm_authentication_info(void *data, struct wl_tbm *wl_tbm, const char *device_name, uint32_t capabilities, int32_t auth_fd)
+{
+	struct wl_tbm_info *info = (struct wl_tbm_info *)data;
+
+	info->fd = auth_fd;
+	info->capabilities = capabilities;
+	if (device_name)
+		info->device = strndup(device_name, 256);
+}
+
+static const struct wl_tbm_listener wl_tbm_client_listener = {
+	handle_tbm_authentication_info
+};
+
+static void wl_client_registry_handle_global(void *data, struct wl_registry *registry, uint32_t name, const char *interface, uint32_t version)
+{
+	struct wl_tbm_info *info = (struct wl_tbm_info *)data;
+
+	if (!strcmp(interface, "wl_tbm")) {
+		info->wl_tbm = wl_registry_bind(registry, name, &wl_tbm_interface, version);
+		if (!info->wl_tbm) {
+			printf("Failed to bind wl_tbm\n");
+			return;
+		}
+
+		wl_tbm_add_listener(info->wl_tbm, &wl_tbm_client_listener, info);
+		wl_proxy_set_queue((struct wl_proxy *)info->wl_tbm, info->wl_queue);
+	}
+}
+
+static int tbm_util_get_drm_fd(void *dpy, int *fd)
+{
+	struct wl_display *disp = NULL;
+	struct wl_registry *wl_registry;
+	struct wl_tbm_info info = {
+		.dpy = NULL,
+		.wl_queue = NULL,
+		.wl_tbm = NULL,
+		.capabilities = 0,
+		.device = NULL,
+		.fd = 0,
+	};
+
+	static const struct wl_registry_listener registry_listener = {
+		wl_client_registry_handle_global,
+		NULL
+	};
+
+	if (!fd)
+		return -1;
+
+	if (!dpy) {
+		disp = wl_display_connect(NULL);
+		if (!disp) {
+			printf("Failed to create a new display connection\n");
+			return -1;
+		}
+		dpy = disp;
+	}
+
+	info.dpy = dpy;
+	info.wl_queue = wl_display_create_queue(dpy);
+	if (!info.wl_queue) {
+		printf("Failed to create a WL Queue\n");
+		if (disp == dpy)
+			wl_display_disconnect(disp);
+
+		return -1;
+	}
+
+	wl_registry = wl_display_get_registry(dpy);
+	if (!wl_registry) {
+		printf("Failed to get registry\n");
+		wl_event_queue_destroy(info.wl_queue);
+		if (disp == dpy)
+			wl_display_disconnect(disp);
+
+		return -1;
+	}
+	wl_proxy_set_queue((struct wl_proxy *)wl_registry, info.wl_queue);
+	wl_registry_add_listener(wl_registry, &registry_listener, &info);
+	wl_display_roundtrip_queue(dpy, info.wl_queue);
+
+	wl_tbm_get_authentication_info(info.wl_tbm);
+	wl_display_roundtrip_queue(dpy, info.wl_queue);
+
+	*fd = info.fd;
+
+	wl_event_queue_destroy(info.wl_queue);
+	wl_registry_destroy(wl_registry);
+
+	free(info.device);
+	wl_tbm_set_user_data(info.wl_tbm, NULL);
+	wl_tbm_destroy(info.wl_tbm);
+
+	if (disp == dpy)
+		wl_display_disconnect(disp);
+
+	return *fd >= 0 ? 0 : -1;
+}
+
+int tbm_bufmgr_get_drm_fd_wayland()
+{
+	int fd = -1;
+
+	if (tbm_util_get_drm_fd(NULL, &fd))
+		printf("Failed to get drm_fd\n");
+
+	return fd;
+}
diff --git a/src/tbm_wayland.h b/src/tbm_wayland.h
new file mode 100644
index 0000000..32ba395
--- /dev/null
+++ b/src/tbm_wayland.h
@@ -0,0 +1,38 @@
+/**************************************************************************
+
+libtbm
+
+Copyright 2012 Samsung Electronics co., Ltd. All Rights Reserved.
+
+Contact: SooChan Lim <sc1.lim@samsung.com>, Sangjin Lee <lsj119@samsung.com>
+Boram Park <boram1288.park@samsung.com>, Changyeon Lee <cyeon.lee@samsung.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sub license, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice (including the
+next paragraph) shall be included in all copies or substantial portions
+of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
+ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+**************************************************************************/
+
+#ifndef _TBM_UTIL_H_
+#define _TBM_UTIL_H_
+
+int tbm_bufmgr_get_drm_fd_wayland();
+
+#endif /* _TBM_UTIL_H_ */
+