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

1 files changed, 69 insertions, 0 deletions

diff --git a/src/gallium/state_trackers/egl/wayland/native_drm.c b/src/gallium/state_trackers/egl/wayland/native_drm.c
index 604720f6e5f..f643c7cbbba 100644
--- a/src/gallium/state_trackers/egl/wayland/native_drm.c
+++ b/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;