st/egl: Hookup gbm for drm backend

2 files changed, 20 insertions, 1 deletions

diff --git a/src/gallium/state_trackers/egl/common/egl_g3d.c b/src/gallium/state_trackers/egl/common/egl_g3d.c
index 29dbbefbf48..6a40f4d2a4b 100644
--- a/src/gallium/state_trackers/egl/common/egl_g3d.c
+++ b/src/gallium/state_trackers/egl/common/egl_g3d.c
@@ -72,10 +72,26 @@ egl_g3d_new_sw_screen(struct native_display *ndpy, struct sw_winsys *ws)
    return gdpy->loader->create_sw_screen(ws);
 }
 
+static struct pipe_resource *
+egl_g3d_lookup_egl_image(struct native_display *ndpy, void *egl_image)
+{
+   _EGLDisplay *dpy = (_EGLDisplay *) ndpy->user_data;
+   struct egl_g3d_display *gdpy = egl_g3d_display(dpy);
+   struct st_egl_image img;
+   struct pipe_resource *resource = NULL;
+
+   memset(&img, 0, sizeof(img));
+   if (gdpy->smapi->get_egl_image(gdpy->smapi, egl_image, &img))
+      resource = img.texture;
+
+   return resource;
+}
+
 static struct native_event_handler egl_g3d_native_event_handler = {
    egl_g3d_invalid_surface,
    egl_g3d_new_drm_screen,
-   egl_g3d_new_sw_screen
+   egl_g3d_new_sw_screen,
+   egl_g3d_lookup_egl_image
 };
 
 /**
diff --git a/src/gallium/state_trackers/egl/common/native.h b/src/gallium/state_trackers/egl/common/native.h
index 8646e52ed7c..cb261964864 100644
--- a/src/gallium/state_trackers/egl/common/native.h
+++ b/src/gallium/state_trackers/egl/common/native.h
@@ -219,6 +219,9 @@ struct native_event_handler {
                                          const char *name, int fd);
    struct pipe_screen *(*new_sw_screen)(struct native_display *ndpy,
                                         struct sw_winsys *ws);
+
+   struct pipe_resource *(*lookup_egl_image)(struct native_display *ndpy,
+                                             void *egl_image);
 };
 
 /**