Add print-pipe-types prc variable to prevent pipe output

direct/src/showbase/ShowBase.py

@@ -532,12 +532,19 @@ class ShowBase(DirectObject.DirectObject):
             del self.winList
             del self.pipe
 
-    def makeDefaultPipe(self, printPipeTypes = True):
+    def makeDefaultPipe(self, printPipeTypes = None):
         """
         Creates the default GraphicsPipe, which will be used to make
         windows unless otherwise specified.
         """
         assert self.pipe == None
+
+        if printPipeTypes is None:
+            # When the user didn't specify an explicit setting, take the value
+            # from the config variable. We could just omit the parameter, however
+            # this way we can keep backward compatibility.
+            printPipeTypes = ConfigVariableBool("print-pipe-types", True)
+
         selection = GraphicsPipeSelection.getGlobalPtr()
         if printPipeTypes:
             selection.printPipeTypes()
@@ -567,7 +574,6 @@ class ShowBase(DirectObject.DirectObject):
         Creates all GraphicsPipes that the system knows about and fill up
         self.pipeList with them.
         """
-        shouldPrintPipes = 0
         selection = GraphicsPipeSelection.getGlobalPtr()
         selection.loadAuxModules()
 

panda/src/framework/config_framework.cxx

@@ -31,6 +31,8 @@ ConfigVariableBool show_frame_rate_meter
 ("show-frame-rate-meter", false);
 ConfigVariableBool show_scene_graph_analyzer_meter
 ("show-scene-graph-analyzer-meter", false);
+ConfigVariableBool print_pipe_types
+("print-pipe-types", true);
 ConfigVariableString window_type
 ("window-type", "onscreen");
 

panda/src/framework/config_framework.h

@@ -27,6 +27,7 @@ NotifyCategoryDecl(framework, EXPCL_FRAMEWORK, EXPTP_FRAMEWORK);
 extern ConfigVariableDouble aspect_ratio;
 extern ConfigVariableBool show_frame_rate_meter;
 extern ConfigVariableBool show_scene_graph_analyzer_meter;
+extern ConfigVariableBool print_pipe_types;
 extern ConfigVariableString window_type;
 
 extern ConfigVariableString record_session;

panda/src/framework/pandaFramework.cxx

@@ -769,7 +769,11 @@ make_default_pipe() {
   // folks) that have been loaded in at runtime from the load-display andor
   // aux-display Configrc variables.
   GraphicsPipeSelection *selection = GraphicsPipeSelection::get_global_ptr();
-  selection->print_pipe_types();
+
+  if (print_pipe_types) {
+    selection->print_pipe_types();
+  }
+
   _default_pipe = selection->make_default_pipe();
 
   if (_default_pipe == (GraphicsPipe*)NULL) {