Implement new Native API as needed

source/backend/native/zynaddsubfx.cpp

@@ -108,7 +108,6 @@ public:
           fMaster(new Master()),
           fSampleRate(getSampleRate()),
           fIsActive(false),
-          fIsOffline(false),
           fThread(fMaster, host)
     {
         fThread.start();
@@ -235,7 +234,7 @@ protected:
         if (program >= BANK_SIZE)
             return;
 
-        if (fIsOffline || ! fIsActive)
+        if (isOffline() || ! fIsActive)
         {
             loadProgram(fMaster, channel, bank, program);
 #ifdef WANT_ZYNADDSUBFX_UI
@@ -375,6 +374,8 @@ protected:
         case PLUGIN_OPCODE_SAMPLE_RATE_CHANGED:
             // TODO
             break;
+        case PLUGIN_OPCODE_OFFLINE_CHANGED:
+            break;
         case PLUGIN_OPCODE_UI_NAME_CHANGED:
 #ifdef WANT_ZYNADDSUBFX_UI
             // TODO
@@ -616,10 +617,9 @@ private:
         uint32_t fNextProgram;
     };
 
-    Master* const  fMaster;
+    Master*  fMaster;
     unsigned fSampleRate;
     bool fIsActive;
-    bool fIsOffline;
 
     ZynThread fThread;
 

source/backend/plugin/NativePlugin.cpp

@@ -189,6 +189,7 @@ public:
 
         fHost.get_buffer_size        = carla_host_get_buffer_size;
         fHost.get_sample_rate        = carla_host_get_sample_rate;
+        fHost.is_offline             = carla_host_is_offline;
         fHost.get_time_info          = carla_host_get_time_info;
         fHost.write_midi_event       = carla_host_write_midi_event;
         fHost.ui_parameter_changed   = carla_host_ui_parameter_changed;
@@ -436,9 +437,11 @@ public:
         CARLA_ASSERT(fHandle != nullptr);
         CARLA_ASSERT(parameterId < kData->param.count);
 
-        if (fDescriptor->get_parameter_text != nullptr && parameterId < kData->param.count)
+        if (fDescriptor->get_parameter_value != nullptr && fDescriptor->get_parameter_text != nullptr && parameterId < kData->param.count)
         {
-            if (const char* const text = fDescriptor->get_parameter_text(fHandle, parameterId))
+            const float value(fDescriptor->get_parameter_value(fHandle, parameterId));
+
+            if (const char* const text = fDescriptor->get_parameter_text(fHandle, parameterId, value))
             {
                 std::strncpy(strBuf, text, STR_MAX);
                 return;
@@ -2023,6 +2026,11 @@ protected:
         return kData->engine->getSampleRate();
     }
 
+    bool handleIsOffline()
+    {
+        return kData->engine->isOffline();
+    }
+
     const ::TimeInfo* handleGetTimeInfo()
     {
         CARLA_ASSERT(fIsProcessing);
@@ -2354,6 +2362,11 @@ private:
         return handlePtr->handleGetSampleRate();
     }
 
+    static bool carla_host_is_offline(HostHandle handle)
+    {
+        return handlePtr->handleIsOffline();
+    }
+
     static const ::TimeInfo* carla_host_get_time_info(HostHandle handle)
     {
         return handlePtr->handleGetTimeInfo();