From: Javier Sancho <jsf@jsancho.org>
Date: Sun, 6 Oct 2019 14:59:10 +0000 (+0200)
Subject: Return #f if device creation fails
X-Git-Url: https://git.jsancho.org/?p=guile-irrlicht.git;a=commitdiff_plain;h=6926f985d7c92c543969ae8957645815dc58f098

Return #f if device creation fails
---

diff --git a/examples/hello.scm b/examples/hello.scm
index 11c9bb8..283462d 100644
--- a/examples/hello.scm
+++ b/examples/hello.scm
@@ -20,7 +20,11 @@
 
 (use-modules (irrlicht))
 
-(define device (create-device 'opengl))
+;; Create device
+(define device (create-device 'software '(640 480) 16 #f #f #f))
+(when (not device)
+  (exit #f))
+
 (define driver (get-video-driver device))
 (define scene-manager (get-scene-manager device))
 
diff --git a/irrlicht.scm b/irrlicht.scm
index 5b405e3..0ff6e3a 100644
--- a/irrlicht.scm
+++ b/irrlicht.scm
@@ -47,10 +47,11 @@
                        ('opengl ffi-video:EDT_OPENGL)
                        ('count ffi-video:EDT_COUNT)))
         (wsize (make-c-struct ffi-core:dimension2d window-size)))
-    (ffi:create-device driver wsize bits
-                       (if fullscreen 1 0)
-                       (if stencilbuffer 1 0)
-                       (if vsync 1 0))))
+    (let ((device (ffi:create-device driver wsize bits
+                                     (if fullscreen 1 0)
+                                     (if stencilbuffer 1 0)
+                                     (if vsync 1 0))))
+      (if (null-pointer? device) #f device))))
 
 (define (get-video-driver device)
   (ffi:get-video-driver device))