st/egl: Implement EGL_WL_bind_wayland_display for x11,drm,wayland

configure.ac

@@ -1194,12 +1194,12 @@ if test "x$enable_egl" = xyes; then
             EGL_DRIVERS_DIRS="glx"
         fi
 
+        PKG_CHECK_MODULES([LIBUDEV], [libudev > 150],
+                          [have_libudev=yes],[have_libudev=no])
         if test "$mesa_driver" = dri; then
             # build egl_dri2 when xcb-dri2 is available
             PKG_CHECK_MODULES([XCB_DRI2], [x11-xcb xcb-dri2 xcb-xfixes],
             		  [have_xcb_dri2=yes],[have_xcb_dri2=no])
-            PKG_CHECK_MODULES([LIBUDEV], [libudev > 150],
-            		  [have_libudev=yes],[have_libudev=no])
             
             if test "$have_xcb_dri2" = yes; then
                 EGL_DRIVER_DRI2=dri2

src/gallium/state_trackers/egl/Makefile

@@ -6,6 +6,7 @@ common_INCLUDES = \
 	-I$(TOP)/src/gallium/include \
 	-I$(TOP)/src/gallium/auxiliary \
 	-I$(TOP)/src/egl/main \
+	-I$(TOP)/src/egl/wayland/wayland-drm/ \
 	-I$(TOP)/include
 
 common_SOURCES = $(wildcard common/*.c)
@@ -56,6 +57,7 @@ endif
 ifneq ($(findstring wayland, $(EGL_PLATFORMS)),)
 EGL_OBJECTS += $(wayland_OBJECTS)
 EGL_CPPFLAGS += -DHAVE_WAYLAND_BACKEND
+DEFINES += -DHAVE_WAYLAND_BACKEND
 endif
 ifneq ($(findstring drm, $(EGL_PLATFORMS)),)
 EGL_OBJECTS += $(drm_OBJECTS)

src/gallium/state_trackers/egl/common/egl_g3d.c

@@ -552,6 +552,11 @@ egl_g3d_initialize(_EGLDriver *drv, _EGLDisplay *dpy)
    if (dpy->Platform == _EGL_PLATFORM_WAYLAND && gdpy->native->buffer)
       dpy->Extensions.MESA_drm_image = EGL_TRUE;
 
+#ifdef EGL_WL_bind_wayland_display
+   if (gdpy->native->wayland_bufmgr)
+      dpy->Extensions.WL_bind_wayland_display = EGL_TRUE;
+#endif
+
    if (egl_g3d_add_configs(drv, dpy, 1) == 1) {
       _eglError(EGL_NOT_INITIALIZED, "eglInitialize(unable to add configs)");
       goto fail;

src/gallium/state_trackers/egl/common/egl_g3d_api.c

@@ -868,6 +868,34 @@ egl_g3d_show_screen_surface(_EGLDriver *drv, _EGLDisplay *dpy,
 
 #endif /* EGL_MESA_screen_surface */
 
+#ifdef EGL_WL_bind_wayland_display
+
+static EGLBoolean
+egl_g3d_bind_wayland_display_wl(_EGLDriver *drv, _EGLDisplay *dpy,
+                                struct wl_display *wl_dpy)
+{
+   struct egl_g3d_display *gdpy = egl_g3d_display(dpy);
+
+   if (!gdpy->native->wayland_bufmgr)
+      return EGL_FALSE;
+
+   return gdpy->native->wayland_bufmgr->bind_display(gdpy->native, wl_dpy);
+}
+
+static EGLBoolean
+egl_g3d_unbind_wayland_display_wl(_EGLDriver *drv, _EGLDisplay *dpy,
+                                  struct wl_display *wl_dpy)
+{
+   struct egl_g3d_display *gdpy = egl_g3d_display(dpy);
+
+   if (!gdpy->native->wayland_bufmgr)
+      return EGL_FALSE;
+
+   return gdpy->native->wayland_bufmgr->unbind_display(gdpy->native, wl_dpy);
+}
+
+#endif /* EGL_WL_bind_wayland_display */
+
 void
 egl_g3d_init_driver_api(_EGLDriver *drv)
 {
@@ -897,6 +925,11 @@ egl_g3d_init_driver_api(_EGLDriver *drv)
    drv->API.CreateDRMImageMESA = egl_g3d_create_drm_image;
    drv->API.ExportDRMImageMESA = egl_g3d_export_drm_image;
 #endif
+#ifdef EGL_WL_bind_wayland_display
+   drv->API.BindWaylandDisplayWL = egl_g3d_bind_wayland_display_wl;
+   drv->API.UnbindWaylandDisplayWL = egl_g3d_unbind_wayland_display_wl;
+
+#endif
 
 #ifdef EGL_KHR_reusable_sync
    drv->API.CreateSyncKHR = egl_g3d_create_sync;

src/gallium/state_trackers/egl/common/egl_g3d_image.c

@@ -179,6 +179,27 @@ egl_g3d_reference_drm_buffer(_EGLDisplay *dpy, EGLint name,
 
 #endif /* EGL_MESA_drm_image */
 
+#ifdef EGL_WL_bind_wayland_display
+
+static struct pipe_resource *
+egl_g3d_reference_wl_buffer(_EGLDisplay *dpy, struct wl_buffer *buffer,
+                            _EGLImage *img, const EGLint *attribs)
+{
+   struct egl_g3d_display *gdpy = egl_g3d_display(dpy);
+   struct pipe_resource *resource = NULL, *tmp = NULL;
+
+   if (!gdpy->native->wayland_bufmgr)
+      return NULL;
+
+   tmp = gdpy->native->wayland_bufmgr->buffer_get_resource(gdpy->native, buffer);
+
+   pipe_resource_reference(&resource, tmp);
+
+   return resource;
+}
+
+#endif /* EGL_WL_bind_wayland_display */
+
 _EGLImage *
 egl_g3d_create_image(_EGLDriver *drv, _EGLDisplay *dpy, _EGLContext *ctx,
                      EGLenum target, EGLClientBuffer buffer,
@@ -209,6 +230,12 @@ egl_g3d_create_image(_EGLDriver *drv, _EGLDisplay *dpy, _EGLContext *ctx,
       ptex = egl_g3d_reference_drm_buffer(dpy,
             (EGLint) buffer, &gimg->base, attribs);
       break;
+#endif
+#ifdef EGL_WL_bind_wayland_display
+   case EGL_WAYLAND_BUFFER_WL:
+      ptex = egl_g3d_reference_wl_buffer(dpy,
+            (struct wl_buffer *) buffer, &gimg->base, attribs);
+      break;
 #endif
    default:
       ptex = NULL;

src/gallium/state_trackers/egl/common/native.h

@@ -40,6 +40,7 @@ extern "C" {
 
 #include "native_buffer.h"
 #include "native_modeset.h"
+#include "native_wayland_bufmgr.h"
 
 /**
  * Only color buffers are listed.  The others are allocated privately through,
@@ -198,6 +199,7 @@ struct native_display {
 
    const struct native_display_buffer *buffer;
    const struct native_display_modeset *modeset;
+   const struct native_display_wayland_bufmgr *wayland_bufmgr;
 };
 
 /**

src/gallium/state_trackers/egl/common/native_wayland_bufmgr.h

@@ -0,0 +1,46 @@
+/*
+ * Mesa 3-D graphics library
+ * Version:  7.11
+ *
+ * Copyright (C) 2011 Benjamin Franzke <benjaminfranzke@googlemail.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, sublicense,
+ * 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 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 NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS 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 _NATIVE_WAYLAND_BUFMGR_H_
+#define _NATIVE_WAYLAND_BUFMGR_H_
+
+struct native_display;
+struct wl_display;
+struct wl_buffer;
+struct pipe_resource;
+
+struct native_display_wayland_bufmgr {
+   boolean (*bind_display)(struct native_display *ndpy,
+                           struct wl_display *wl_dpy);
+
+   boolean (*unbind_display)(struct native_display *ndpy,
+                             struct wl_display *wl_dpy);
+
+   struct pipe_resource *(*buffer_get_resource)(struct native_display *ndpy,
+                                                struct wl_buffer *buffer);
+                             
+};
+
+#endif /* _NATIVE_WAYLAND_BUFMGR_H_ */

src/gallium/state_trackers/egl/common/native_wayland_drm_bufmgr_helper.c

@@ -0,0 +1,57 @@
+#include <stdint.h>
+#include <string.h>
+
+#include "native.h"
+#include "util/u_inlines.h"
+#include "state_tracker/drm_driver.h"
+
+#ifdef HAVE_WAYLAND_BACKEND
+
+#include <wayland-server.h>
+#include <wayland-drm-server-protocol.h>
+
+#include "native_wayland_drm_bufmgr_helper.h"
+
+void *
+egl_g3d_wl_drm_helper_reference_buffer(void *user_data, uint32_t name,
+                                       int32_t width, int32_t height,
+                                       uint32_t stride,
+                                       struct wl_visual *visual)
+{
+   struct native_display *ndpy = user_data;
+   struct pipe_resource templ;
+   struct winsys_handle wsh;
+   enum pipe_format format = PIPE_FORMAT_B8G8R8A8_UNORM;
+
+   memset(&templ, 0, sizeof(templ));
+   templ.target = PIPE_TEXTURE_2D;
+   templ.format = format;
+   templ.bind = PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW;
+   templ.width0 = width;
+   templ.height0 = height;
+   templ.depth0 = 1;
+   templ.array_size = 1;
+
+   memset(&wsh, 0, sizeof(wsh));
+   wsh.handle = name;
+   wsh.stride = stride;
+
+   return ndpy->screen->resource_from_handle(ndpy->screen, &templ, &wsh);
+}
+
+void
+egl_g3d_wl_drm_helper_unreference_buffer(void *user_data, void *buffer)
+{
+   struct pipe_resource *resource = buffer;
+
+   pipe_resource_reference(&resource, NULL);
+}
+
+struct pipe_resource *
+egl_g3d_wl_drm_common_wl_buffer_get_resource(struct native_display *ndpy,
+                                             struct wl_buffer *buffer)
+{
+   return wayland_drm_buffer_get_buffer(buffer);
+}
+
+#endif

src/gallium/state_trackers/egl/common/native_wayland_drm_bufmgr_helper.h

@@ -0,0 +1,44 @@
+/*
+ * Mesa 3-D graphics library
+ * Version:  7.11
+ *
+ * Copyright (C) 2011 Benjamin Franzke <benjaminfranzke@googlemail.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, sublicense,
+ * 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 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 NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS 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 _NATIVE_WAYLAND_DRM_BUFMGR_HELPER_H_
+#define _NATIVE_WAYLAND_DRM_BUFMGR_HELPER_H_
+
+#include "wayland-drm.h"
+
+void *
+egl_g3d_wl_drm_helper_reference_buffer(void *user_data, uint32_t name,
+                                       int32_t width, int32_t height,
+                                       uint32_t stride,
+                                       struct wl_visual *visual);
+
+void
+egl_g3d_wl_drm_helper_unreference_buffer(void *user_data, void *buffer);
+
+struct pipe_resource *
+egl_g3d_wl_drm_common_wl_buffer_get_resource(struct native_display *ndpy,
+                                             struct wl_buffer *buffer);
+
+#endif /* _NATIVE_WAYLAND_DRM_BUFMGR_HELPER_H_ */

src/gallium/state_trackers/egl/drm/native_drm.c

@@ -23,6 +23,7 @@
  * DEALINGS IN THE SOFTWARE.
  */
 
+#include <string.h>
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <fcntl.h>
@@ -36,6 +37,10 @@
 #include <radeon_drm.h>
 #include "radeon/drm/radeon_drm_public.h"
 
+#ifdef HAVE_LIBUDEV
+#include <libudev.h>
+#endif
+
 static boolean
 drm_display_is_format_supported(struct native_display *ndpy,
                                 enum pipe_format fmt, boolean is_color)
@@ -126,6 +131,9 @@ drm_display_destroy(struct native_display *ndpy)
 
    ndpy_uninit(ndpy);
 
+   if (drmdpy->device_name)
+      FREE(drmdpy->device_name);
+
    if (drmdpy->fd >= 0)
       close(drmdpy->fd);
 
@@ -207,6 +215,101 @@ static struct native_display_buffer drm_display_buffer = {
    drm_display_export_buffer
 };
 
+static int
+drm_display_authenticate(void *user_data, uint32_t magic)
+{
+   struct native_display *ndpy = user_data;
+   struct drm_display *drmdpy = drm_display(ndpy);
+
+   return drmAuthMagic(drmdpy->fd, magic);
+}
+
+static char *
+drm_get_device_name(int fd)
+{
+   char *device_name = NULL;
+#ifdef HAVE_LIBUDEV
+   struct udev *udev;
+   struct udev_device *device;
+   struct stat buf;
+   const char *tmp;
+
+   udev = udev_new();
+   if (fstat(fd, &buf) < 0) {
+      _eglLog(_EGL_WARNING, "failed to stat fd %d", fd);
+      goto out;
+   }
+
+   device = udev_device_new_from_devnum(udev, 'c', buf.st_rdev);
+   if (device == NULL) {
+      _eglLog(_EGL_WARNING,
+              "could not create udev device for fd %d", fd);
+      goto out;
+   }
+
+   tmp = udev_device_get_devnode(device);
+   if (!tmp)
+      goto out;
+   device_name = strdup(tmp);
+
+out:
+   udev_device_unref(device);
+   udev_unref(udev);
+
+#endif
+   return device_name;
+}
+
+#ifdef HAVE_WAYLAND_BACKEND
+
+static struct wayland_drm_callbacks wl_drm_callbacks = {
+   drm_display_authenticate,
+   egl_g3d_wl_drm_helper_reference_buffer,
+   egl_g3d_wl_drm_helper_unreference_buffer
+};
+
+static boolean
+drm_display_bind_wayland_display(struct native_display *ndpy,
+                                  struct wl_display *wl_dpy)
+{
+   struct drm_display *drmdpy = drm_display(ndpy);
+
+   if (drmdpy->wl_server_drm)
+      return FALSE;
+
+   drmdpy->wl_server_drm = wayland_drm_init(wl_dpy,
+         drmdpy->device_name,
+         &wl_drm_callbacks, ndpy);
+
+   if (!drmdpy->wl_server_drm)
+      return FALSE;
+   
+   return TRUE;
+}
+
+static boolean
+drm_display_unbind_wayland_display(struct native_display *ndpy,
+                                    struct wl_display *wl_dpy)
+{
+   struct drm_display *drmdpy = drm_display(ndpy);
+
+   if (!drmdpy->wl_server_drm)
+      return FALSE;
+
+   wayland_drm_uninit(drmdpy->wl_server_drm);
+   drmdpy->wl_server_drm = NULL;
+
+   return TRUE;
+}
+
+static struct native_display_wayland_bufmgr drm_display_wayland_bufmgr = {
+   drm_display_bind_wayland_display,
+   drm_display_unbind_wayland_display,
+   egl_g3d_wl_drm_common_wl_buffer_get_resource
+};
+
+#endif /* HAVE_WAYLAND_BACKEND */
+
 static struct native_display *
 drm_create_display(int fd, struct native_event_handler *event_handler,
                    void *user_data)
@@ -218,6 +321,7 @@ drm_create_display(int fd, struct native_event_handler *event_handler,
       return NULL;
 
    drmdpy->fd = fd;
+   drmdpy->device_name = drm_get_device_name(fd);
    drmdpy->event_handler = event_handler;
    drmdpy->base.user_data = user_data;
 
@@ -231,6 +335,10 @@ drm_create_display(int fd, struct native_event_handler *event_handler,
    drmdpy->base.get_configs = drm_display_get_configs;
 
    drmdpy->base.buffer = &drm_display_buffer;
+#ifdef HAVE_WAYLAND_BACKEND
+   if (drmdpy->device_name)
+      drmdpy->base.wayland_bufmgr = &drm_display_wayland_bufmgr;
+#endif
    drm_display_init_modeset(&drmdpy->base);
 
    return &drmdpy->base;

src/gallium/state_trackers/egl/drm/native_drm.h

@@ -37,6 +37,10 @@
 #include "common/native.h"
 #include "common/native_helper.h"
 
+#ifdef HAVE_WAYLAND_BACKEND
+#include "common/native_wayland_drm_bufmgr_helper.h"
+#endif
+
 struct drm_config;
 struct drm_crtc;
 struct drm_connector;
@@ -49,6 +53,7 @@ struct drm_display {
    struct native_event_handler *event_handler;
 
    int fd;
+   char *device_name;
    struct drm_config *config;
 
    /* for modesetting */
@@ -59,6 +64,10 @@ struct drm_display {
    struct drm_surface **shown_surfaces;
    /* save the original settings of the CRTCs */
    struct drm_crtc *saved_crtcs;
+
+#ifdef HAVE_WAYLAND_BACKEND
+   struct wl_drm *wl_server_drm; /* for EGL_WL_bind_wayland_display */
+#endif
 };
 
 struct drm_config {

src/gallium/state_trackers/egl/wayland/native_drm.c

@@ -45,6 +45,8 @@
 #include "wayland-drm-client-protocol.h"
 #include "wayland-egl-priv.h"
 
+#include "common/native_wayland_drm_bufmgr_helper.h"
+
 #include <xf86drm.h>
 #include <sys/types.h>
 #include <sys/stat.h>
@@ -56,6 +58,7 @@ struct wayland_drm_display {
    struct native_event_handler *event_handler;
 
    struct wl_drm *wl_drm;
+   struct wl_drm *wl_server_drm; /* for EGL_WL_bind_wayland_display */
    int fd;
    char *device_name;
    boolean authenticated;
@@ -268,6 +271,71 @@ static struct native_display_buffer wayland_drm_display_buffer = {
    wayland_drm_display_export_buffer
 };
 
+static int
+wayland_drm_display_authenticate(void *user_data, uint32_t magic)
+{
+   struct native_display *ndpy = user_data;
+   struct wayland_drm_display *drmdpy = wayland_drm_display(ndpy);
+   boolean current_authenticate, authenticated;
+
+   current_authenticate = drmdpy->authenticated;
+
+   wl_drm_authenticate(drmdpy->wl_drm, magic);
+   force_roundtrip(drmdpy->base.dpy);
+   authenticated = drmdpy->authenticated;
+
+   drmdpy->authenticated = current_authenticate;
+
+   return authenticated ? 0 : -1;
+}
+
+static struct wayland_drm_callbacks wl_drm_callbacks = {
+   wayland_drm_display_authenticate,
+   egl_g3d_wl_drm_helper_reference_buffer,
+   egl_g3d_wl_drm_helper_unreference_buffer
+};
+
+static boolean
+wayland_drm_display_bind_wayland_display(struct native_display *ndpy,
+                                         struct wl_display *wl_dpy)
+{
+   struct wayland_drm_display *drmdpy = wayland_drm_display(ndpy);
+
+   if (drmdpy->wl_server_drm)
+      return FALSE;
+
+   drmdpy->wl_server_drm =
+      wayland_drm_init(wl_dpy, drmdpy->device_name,
+                       &wl_drm_callbacks, ndpy);
+
+   if (!drmdpy->wl_server_drm)
+      return FALSE;
+   
+   return TRUE;
+}
+
+static boolean
+wayland_drm_display_unbind_wayland_display(struct native_display *ndpy,
+                                           struct wl_display *wl_dpy)
+{
+   struct wayland_drm_display *drmdpy = wayland_drm_display(ndpy);
+
+   if (!drmdpy->wl_server_drm)
+      return FALSE;
+
+   wayland_drm_uninit(drmdpy->wl_server_drm);
+   drmdpy->wl_server_drm = NULL;
+
+   return TRUE;
+}
+
+static struct native_display_wayland_bufmgr wayland_drm_display_wayland_bufmgr = {
+   wayland_drm_display_bind_wayland_display,
+   wayland_drm_display_unbind_wayland_display,
+   egl_g3d_wl_drm_common_wl_buffer_get_resource
+};
+
+
 struct wayland_display *
 wayland_create_drm_display(struct wl_display *dpy,
                            struct native_event_handler *event_handler,
@@ -294,6 +362,7 @@ wayland_create_drm_display(struct wl_display *dpy,
    }
    drmdpy->base.base.destroy = wayland_drm_display_destroy;
    drmdpy->base.base.buffer = &wayland_drm_display_buffer;
+   drmdpy->base.base.wayland_bufmgr = &wayland_drm_display_wayland_bufmgr;
 
    drmdpy->base.create_buffer = wayland_create_drm_buffer;
 

src/gallium/state_trackers/egl/x11/native_dri2.c

@@ -38,6 +38,10 @@
 #include "native_x11.h"
 #include "x11_screen.h"
 
+#ifdef HAVE_WAYLAND_BACKEND
+#include "common/native_wayland_drm_bufmgr_helper.h"
+#endif
+
 #ifdef GLX_DIRECT_RENDERING
 
 struct dri2_display {
@@ -56,6 +60,9 @@ struct dri2_display {
    int num_configs;
 
    struct util_hash_table *surfaces;
+#ifdef HAVE_WAYLAND_BACKEND
+   struct wl_drm *wl_server_drm; /* for EGL_WL_bind_wayland_display */
+#endif
 };
 
 struct dri2_surface {
@@ -802,6 +809,65 @@ dri2_display_hash_table_compare(void *key1, void *key2)
    return ((char *) key1 - (char *) key2);
 }
 
+static int
+dri2_display_authenticate(void *user_data, uint32_t magic)
+{
+   struct native_display *ndpy = user_data;
+   struct dri2_display *dri2dpy = dri2_display(ndpy);
+
+   return x11_screen_authenticate(dri2dpy->xscr, magic);
+}
+
+#ifdef HAVE_WAYLAND_BACKEND
+
+static struct wayland_drm_callbacks wl_drm_callbacks = {
+   dri2_display_authenticate,
+   egl_g3d_wl_drm_helper_reference_buffer,
+   egl_g3d_wl_drm_helper_unreference_buffer
+};
+
+static boolean
+dri2_display_bind_wayland_display(struct native_display *ndpy,
+                                  struct wl_display *wl_dpy)
+{
+   struct dri2_display *dri2dpy = dri2_display(ndpy);
+
+   if (dri2dpy->wl_server_drm)
+      return FALSE;
+
+   dri2dpy->wl_server_drm = wayland_drm_init(wl_dpy,
+         x11_screen_get_device_name(dri2dpy->xscr),
+         &wl_drm_callbacks, ndpy);
+
+   if (!dri2dpy->wl_server_drm)
+      return FALSE;
+   
+   return TRUE;
+}
+
+static boolean
+dri2_display_unbind_wayland_display(struct native_display *ndpy,
+                                    struct wl_display *wl_dpy)
+{
+   struct dri2_display *dri2dpy = dri2_display(ndpy);
+
+   if (!dri2dpy->wl_server_drm)
+      return FALSE;
+
+   wayland_drm_uninit(dri2dpy->wl_server_drm);
+   dri2dpy->wl_server_drm = NULL;
+
+   return TRUE;
+}
+
+static struct native_display_wayland_bufmgr dri2_display_wayland_bufmgr = {
+   dri2_display_bind_wayland_display,
+   dri2_display_unbind_wayland_display,
+   egl_g3d_wl_drm_common_wl_buffer_get_resource
+};
+
+#endif /* HAVE_WAYLAND_BACKEND */
+
 struct native_display *
 x11_create_dri2_display(Display *dpy,
                         struct native_event_handler *event_handler,
@@ -851,6 +917,9 @@ x11_create_dri2_display(Display *dpy,
    dri2dpy->base.is_pixmap_supported = dri2_display_is_pixmap_supported;
    dri2dpy->base.create_window_surface = dri2_display_create_window_surface;
    dri2dpy->base.create_pixmap_surface = dri2_display_create_pixmap_surface;
+#ifdef HAVE_WAYLAND_BACKEND
+   dri2dpy->base.wayland_bufmgr = &dri2_display_wayland_bufmgr;
+#endif
 
    return &dri2dpy->base;
 }

src/gallium/state_trackers/egl/x11/x11_screen.c

@@ -307,6 +307,23 @@ x11_screen_enable_dri2(struct x11_screen *xscr,
    return xscr->dri_fd;
 }
 
+char *
+x11_screen_get_device_name(struct x11_screen *xscr)
+{
+   return xscr->dri_device;
+}
+
+int
+x11_screen_authenticate(struct x11_screen *xscr, uint32_t id)
+{
+   boolean authenticated;
+
+   authenticated = DRI2Authenticate(xscr->dpy,
+         RootWindow(xscr->dpy, xscr->number), id);
+   
+   return authenticated ? 0 : -1;
+}
+
 /**
  * Create/Destroy the DRI drawable.
  */

src/gallium/state_trackers/egl/x11/x11_screen.h

@@ -97,6 +97,12 @@ x11_screen_enable_dri2(struct x11_screen *xscr,
                        x11_drawable_invalidate_buffers invalidate_buffers,
                        void *user_data);
 
+char *
+x11_screen_get_device_name(struct x11_screen *xscr);
+
+int
+x11_screen_authenticate(struct x11_screen *xscr, uint32_t id);
+
 void
 x11_drawable_enable_dri2(struct x11_screen *xscr,
                          Drawable drawable, boolean on);

src/gallium/targets/egl/Makefile

@@ -49,6 +49,7 @@ endif
 ifneq ($(findstring wayland, $(EGL_PLATFORMS)),)
 egl_SYS += $(WAYLAND_LIBS) $(LIBDRM_LIB)
 egl_LIBS += $(TOP)/src/gallium/winsys/sw/wayland/libws_wayland.a
+egl_LIBS += $(TOP)/src/egl/wayland/wayland-drm/libwayland-drm.a
 endif
 ifneq ($(findstring drm, $(EGL_PLATFORMS)),)
 egl_SYS += $(LIBDRM_LIB)