a better way to inject the Render-Engine Mock

instead of (ab)using the Timings spect for a
runtime switch, better use the existing
MockInjector facility and thus turn the
mock engine mode into a global switch

src/lib/singleton-preconfigure.hpp

@@ -75,7 +75,13 @@ namespace backend {
   class MediaAccessFacade;
   using lib::Singleton;
   
-} // namespace backend_interface
+} // namespace backend
+
+namespace proc {
+namespace engine {
+  class EngineService;
+  using lib::Singleton;
+}}
 
 
 
@@ -101,6 +107,12 @@ namespace lib {
     : public MockInjector<backend::MediaAccessFacade>
     { };
   
+  
+  template<>
+  class Singleton<proc::engine::EngineService>
+    : public MockInjector<proc::engine::EngineService>
+    { };
+
 } // namespace lib
 
 

src/lib/singleton.hpp

@@ -25,7 +25,7 @@
  ** This configuration header just pulls in some other implementation headers in 
  ** the right order. The basic class template for creating singletons resides in
  ** singleton-factory.hpp, besides we need policy classes defining how to create
- ** the singleton objects and  how to manage singleton lifecycle. Finally,
+ ** the singleton objects and how to manage singleton lifecycle. Finally,
  ** we want to preconfigure singleton factories for some important facilities;
  ** e.g. sometimes we want to include a hook for injecting Test Mock instances.
  ** 

src/proc/engine/engine-service-mock.cpp

@@ -46,8 +46,6 @@ namespace engine{
   
   
   
-  /** storage for the EngineService interface object */
-  lib::Singleton<EngineServiceMock> EngineServiceMock::instance;
   
   
   

src/proc/engine/engine-service-mock.hpp

@@ -85,14 +85,12 @@ namespace engine{
    * order and to enqueue these into the scheduler.
    */
   class EngineServiceMock
-    : boost::noncopyable
+    : public EngineService
     {
+      lib::ScopedPtrVect<node::DummyTick> processors_;
       
       
     public:
-      /** access point to the Engine Interface Mock implementation. */
-      static lib::Singleton<EngineServiceMock> instance;
-      
       
       EngineServiceMock();
      ~EngineServiceMock() { }

src/proc/engine/worker/tick-service.hpp

@@ -25,10 +25,9 @@
  ** A timer service invoking a given callback periodically.
  ** This is a rough preliminary implementation as of 1/2009. We use it to
  ** drive the frame "creation" of a player dummy (the render engine is not 
- ** ready yet). The intention is to make this a real service later on, which
+ ** ready yet). The intention is to use this service as part of a mock engine
- ** might consolidate and sync various ongoing output processes to a common
+ ** setup, used to verify the construction of engine components. As an integration
- ** beat, which it implements by precision posix timers. Probably then this
+ ** test, we build a "dummy player", delivering some test data frames to the Gui.
- ** service will become part of the backend, or rely on a timing service.
  ** 
  ** @see proc::play::DummyPlayerService
  **  
@@ -39,6 +38,7 @@
 #define PROC_PLAY_TICKSERVICE_H
 
 
+#include "lib/error.hpp"
 #include "backend/thread-wrapper.hpp"
 
 #include <tr1/functional>
@@ -49,6 +49,7 @@ namespace proc {
 namespace node {
 
   using std::tr1::function;
+  using std::tr1::bind;
   
   
   

src/proc/play/render-configurator.cpp

@@ -25,7 +25,6 @@
 #include "proc/play/render-configurator.hpp"
 #include "proc/play/output-manager.hpp"
 #include "proc/engine/engine-service.hpp"
-#include "proc/engine/engine-service-mock.hpp"
 //#include "lib/itertools.hpp"
 
 //#include <string>
@@ -48,7 +47,6 @@ namespace play {
   using std::tr1::bind;
   using std::tr1::placeholders::_1;
   using engine::EngineService;
-  using engine::EngineServiceMock;
   
   typedef EngineService::QoS_Definition RenderQuality;
   
@@ -129,32 +127,14 @@ namespace play {
         
       };
     
-    class MockRenderProcessBuilder
-      : public LumieraRenderProcessBuilder
-      {
-        engine::CalcStreams
-        activateEngine (ModelPort port, Timings timings, OutputSlot::Allocation& activeOutputConnection,RenderQuality quality)
-          {
-            return EngineServiceMock::instance().calculate (port, timings, activeOutputConnection, quality);
-          }
-        
-      public:
-        MockRenderProcessBuilder (POutputManager outputManager, Timings playbackSpeed)
-          : LumieraRenderProcessBuilder(outputManager,playbackSpeed)
-          { }
-      };
     
     
-    
+    /** @internal decision point about how to configure the rendering.
-    /** @internal decision point about how to configure the rendering */
+     * This would be the point to switch the render engine used. */
     inline RenderConfigurator*
     how_to_render (POutputManager outputPossibilities, Timings playTimings)
     {
-      if (playTimings.isMockEngineRun())
+      return new LumieraRenderProcessBuilder (outputPossibilities, playTimings);
-        return new MockRenderProcessBuilder (outputPossibilities, playTimings);
-            
-      else
-        return new LumieraRenderProcessBuilder (outputPossibilities, playTimings);
     }
   
     

src/proc/play/timings.hpp

@@ -81,14 +81,6 @@ namespace play {
   class Timings
     {
     public:
-      /** push aside the real Lumiera engine and use a test mock.
-       * @todo 1/2012 hard wired -- until the engine becomes usable
-       */
-      bool
-      isMockEngineRun ()
-        {
-          return true;
-        }
       
       //////////////TODO further accessor functions here