[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [41763] trunk/blender/intern/cycles/util/ util_cuda.cpp: Hack-fix for crash-by-assertion on mingw builds on startup if the CUDA driver on

[Joshua Leung]

Revision: 41763
          http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-blender&revision=41763
Author:   aligorith
Date:     2011-11-12 03:59:45 +0000 (Sat, 12 Nov 2011)
Log Message:
-----------
Hack-fix for crash-by-assertion on mingw builds on startup if the CUDA driver on
the computer is too old (and probably can't be upgraded to a version that does)
to support the cuDriverGetVersion method.

Modified Paths:
--------------
    trunk/blender/intern/cycles/util/util_cuda.cpp

Modified: trunk/blender/intern/cycles/util/util_cuda.cpp
===================================================================
--- trunk/blender/intern/cycles/util/util_cuda.cpp	2011-11-11 20:57:00 UTC (rev 41762)
+++ trunk/blender/intern/cycles/util/util_cuda.cpp	2011-11-12 03:59:45 UTC (rev 41763)
@@ -147,6 +147,8 @@
 CCL_NAMESPACE_BEGIN
 
 /* utility macros */
+#define CUDA_LIBRARY_FIND_CHECKED(name) \
+	name = (t##name*)dynamic_library_find(lib, #name);
 
 #define CUDA_LIBRARY_FIND(name) \
 	name = (t##name*)dynamic_library_find(lib, #name); \
@@ -188,7 +190,7 @@
 	/* detect driver version */
 	int driver_version = 1000;
 
-	CUDA_LIBRARY_FIND(cuDriverGetVersion);
+	CUDA_LIBRARY_FIND_CHECKED(cuDriverGetVersion);
 	if(cuDriverGetVersion)
 		cuDriverGetVersion(&driver_version);