X-Git-Url: https://git.jsancho.org/?a=blobdiff_plain;f=src%2Fvideo-driver.cpp;h=b768f58e5c81c7d506a7f3faa19a375543635362;hb=2ffd7c24faa64f27fe9574a3fc25b4bdfc86c6c8;hp=c746db3ae313727d9f7c42a3b6d8958755ec9d67;hpb=2806f03eafc48ec9ef02a3dc2d74133eaf11ccc1;p=guile-irrlicht.git

diff --git a/src/video-driver.cpp b/src/video-driver.cpp
index c746db3..b768f58 100644
--- a/src/video-driver.cpp
+++ b/src/video-driver.cpp
@@ -21,6 +21,8 @@
 
 #include <irrlicht/irrlicht.h>
 #include <libguile.h>
+
+#include "device.h"
 #include "video-driver.h"
 #include "wrapped.h"
 
@@ -30,10 +32,27 @@ extern "C" {
   init_video_driver (void)
   {
     init_video_driver_type ();
+    scm_c_define_gsubr ("get-video-driver", 1, 0, 0, (scm_t_subr)irr_getVideoDriver);
   }
 
   DEFINE_WRAPPED_TYPE (irr::video::IVideoDriver*, "video-driver",
                        init_video_driver_type, video_driver_p,
                        wrap_video_driver, unwrap_video_driver);
 
+  SCM
+  irr_getVideoDriver (SCM wrapped_obj)
+  {
+    irr::video::IVideoDriver* driver;
+    if (device_p (wrapped_obj))
+      {
+        driver = unwrap_device (wrapped_obj)->getVideoDriver ();
+      }
+    else
+      {
+        scm_error (scm_arg_type_key, NULL, "Cannot get video driver from object: ~S",
+                   scm_list_1 (wrapped_obj), scm_list_1 (wrapped_obj));
+      }
+    return wrap_video_driver (driver);
+  }
+
 }