[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [48313] trunk/blender/source/blender/ compositor/operations/COM_KeyingScreenOperation.cpp: Fix for crash of keying screen node in cases when there's no

[Sergey Sharybin]

Revision: 48313
          http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-blender&revision=48313
Author:   nazgul
Date:     2012-06-26 15:26:16 +0000 (Tue, 26 Jun 2012)
Log Message:
-----------
Fix for crash of keying screen node in cases when there's no
triangulation generated for tracks setup

Modified Paths:
--------------
    trunk/blender/source/blender/compositor/operations/COM_KeyingScreenOperation.cpp

Modified: trunk/blender/source/blender/compositor/operations/COM_KeyingScreenOperation.cpp
===================================================================
--- trunk/blender/source/blender/compositor/operations/COM_KeyingScreenOperation.cpp	2012-06-26 14:49:49 UTC (rev 48312)
+++ trunk/blender/source/blender/compositor/operations/COM_KeyingScreenOperation.cpp	2012-06-26 15:26:16 UTC (rev 48313)
@@ -218,9 +218,13 @@
 		unlockMutex();
 	}
 
+	triangulation = this->m_cachedTriangulation;
+
+	if (!triangulation)
+		return NULL;
+
 	BLI_init_rctf(&rect_float, rect->xmin, rect->xmax, rect->ymin, rect->ymax);
 
-	triangulation = this->m_cachedTriangulation;
 	tile_data = (TileData *) MEM_callocN(sizeof(TileData), "keying screen tile data");
 
 	for (i = 0; i < triangulation->triangles_total; i++) {