render: only use cache in offline mode

app/node/traverser.cpp

@@ -109,7 +109,7 @@ NodeValue NodeTraverser::GenerateRowValueElement(const Node *node, const QString
 
   NodeValue value = table->TakeAt(value_index);
 
-  if (value.type() == NodeValue::kTexture) {
+  if (value.type() == NodeValue::kTexture && UseCache()) {
     QMutexLocker locker(node->video_frame_cache()->mutex());
 
     node->video_frame_cache()->LoadState();

app/node/traverser.h

@@ -149,6 +149,8 @@ protected:
 
   Decoder::LoopMode loop_mode() const { return loop_mode_; }
 
+  virtual bool UseCache() const { return false; }
+
 private:
   void PreProcessRow(NodeValueRow &row);
 

app/render/renderprocessor.cpp

@@ -649,4 +649,9 @@ void RenderProcessor::ConvertToReferenceSpace(TexturePtr destination, TexturePtr
   render_ctx_->BlitColorManaged(ctj, destination.get());
 }
 
+bool RenderProcessor::UseCache() const
+{
+  return static_cast<RenderMode::Mode>(ticket_->property("mode").toInt()) == RenderMode::kOffline;
+}
+
 }

app/render/renderprocessor.h

@@ -67,6 +67,8 @@ protected:
 
   virtual void ConvertToReferenceSpace(TexturePtr destination, TexturePtr source, const QString &input_cs) override;
 
+  virtual bool UseCache() const override;
+
 private:
   RenderProcessor(RenderTicketPtr ticket, Renderer* render_ctx, DecoderCache* decoder_cache, ShaderCache* shader_cache);