Introducing AbstractPipeline::forceExecuteProcessor().

core/pipeline/abstractpipeline.cpp

@@ -276,6 +276,17 @@ namespace campvis {
         return _processors[index];
     }
 
+    void AbstractPipeline::forceExecuteProcessor(AbstractProcessor* processor) {
+        bool enabledState = processor->getEnabled();
+        int invalidationLevel = processor->getInvalidationLevel();
+
+        processor->setEnabled(true);
+        processor->invalidate(AbstractProcessor::INVALID_RESULT);
+        executeProcessor(processor);
+
+        processor->setEnabled(enabledState);
+    }
+
 
 
 }

core/pipeline/abstractpipeline.h

@@ -206,6 +206,12 @@ namespace campvis {
          */
         void setPipelineDirty();
 
+        /**
+         * Forces the execution of the given processor regardless of its invalidation or enabled state.
+         * \param   processor   Processor to execute.
+         */
+        void forceExecuteProcessor(AbstractProcessor* processor);
+
         /**
          * Executes the processor \a processor on the pipeline's data and locks its properties meanwhile.
          * \param   processor   Processor to execute.