Fix for image node: has to check the number of actual node sockets before accessing...

diff --git a/source/blender/nodes/composite/nodes/node_composite_image.c b/source/blender/nodes/composite/nodes/node_composite_image.c
index 323767b64b1675d8ec30ea45df4b3fab25d577a8..6a156c390a7829e9e6452446a98cb0518210e940 100644 (file)
--- a/source/blender/nodes/composite/nodes/node_composite_image.c
+++ b/source/blender/nodes/composite/nodes/node_composite_image.c
@@ -461,6 +461,8 @@ static void node_composit_exec_image(void *data, bNode *node, bNodeStack **UNUSE
                else {
                        CompBuf *stackbuf = node_composit_get_image(rd, ima, iuser);
                        if (stackbuf) {
+                               int num_outputs = BLI_countlist(&node->outputs);
+                               
                                /*respect image premul option*/
                                if (stackbuf->type==CB_RGBA && ima->flag & IMA_DO_PREMUL) {
                                        int i;
@@ -483,15 +485,16 @@ static void node_composit_exec_image(void *data, bNode *node, bNodeStack **UNUSE
                                        }
                                }
                        
-                               /* put image on stack */        
-                               out[0]->data= stackbuf;
+                               /* put image on stack */
+                               if (num_outputs > 0)
+                                       out[0]->data= stackbuf;
                                
                                /* alpha output */
-                               if (out[1]->hasoutput)
+                               if (num_outputs > 1 && out[1]->hasoutput)
                                        out[1]->data= valbuf_from_rgbabuf(stackbuf, CHAN_A);
                                
                                /* Z output */
-                               if (out[2]->hasoutput)
+                               if (num_outputs > 2 && out[2]->hasoutput)
                                        out[2]->data= node_composit_get_zimage(node, rd);
                                
                                /* preview */