Merging r50522 through r50572 from trunk into soc-2011-tomato
[blender.git] / source / blender / compositor / intern / COM_NodeOperation.cpp
index bae884d713ed0a6eedcb0c0aa531263b27a381b2..4ae114bd0315145c4a443713cddc41ec60331f02 100644 (file)
@@ -124,19 +124,26 @@ bool NodeOperation::determineDependingAreaOfInterest(rcti *input, ReadBufferOper
                return false;
        }
        else {
-               unsigned int index;
-               vector<InputSocket *> &inputsockets = this->getInputSockets();
-       
-               for (index = 0; index < inputsockets.size(); index++) {
-                       InputSocket *inputsocket = inputsockets[index];
-                       if (inputsocket->isConnected()) {
-                               NodeOperation *inputoperation = (NodeOperation *)inputsocket->getConnection()->getFromNode();
-                               bool result = inputoperation->determineDependingAreaOfInterest(input, readOperation, output);
-                               if (result) {
-                                       return true;
+               rcti tempOutput;
+               bool first = true;
+               for (int i = 0 ; i < getNumberOfInputSockets() ; i ++) {
+                       NodeOperation * inputOperation = this->getInputOperation(i);
+                       if (inputOperation && inputOperation->determineDependingAreaOfInterest(input, readOperation, &tempOutput)) {
+                               if (first) {
+                                       output->xmin = tempOutput.xmin;
+                                       output->ymin = tempOutput.ymin;
+                                       output->xmax = tempOutput.xmax;
+                                       output->ymax = tempOutput.ymax;
+                                       first = false;
+                               }
+                               else {
+                                       output->xmin = MIN2(output->xmin, tempOutput.xmin);
+                                       output->ymin = MIN2(output->ymin, tempOutput.ymin);
+                                       output->xmax = MAX2(output->xmax, tempOutput.xmax);
+                                       output->ymax = MAX2(output->ymax, tempOutput.ymax);
                                }
                        }
                }
-               return false;
+               return !first;
        }
 }