try disabling denormal numbers for plugins with input (#158)

* try disabling denormal numbers for plugins with input

* flag to disable scoped denormals

CHANGELOG.md

@@ -9,6 +9,7 @@ Features:
 * Only disable DSP with new `--nodsp` flag
 * Use pydantic types to define metadata objects
 * DPF: CV flag in portgroups
+* DPF: flag to disable scoped denormals
 
 Bugfixes
 

hvcc/generators/c2dpf/templates/HeavyDPF.cpp

@@ -3,6 +3,9 @@
 #include "Heavy_{{name}}.h"
 #include "{{class_name}}.hpp"
 #include <set>
+{% if meta.denormals is sameas false %}
+#include "extra/ScopedDenormalDisable.hpp"
+{% endif %}
 
 
 #define HV_DPF_NUM_PARAMETER {{receivers|length + senders|length}}
@@ -203,6 +206,9 @@ void {{class_name}}::run(const float** inputs, float** outputs, uint32_t frames,
 void {{class_name}}::run(const float** inputs, float** outputs, uint32_t frames)
 {
 #endif
+{% if meta.denormals is sameas false %}
+  const ScopedDenormalDisable sdd;
+{% endif %}
   const TimePosition& timePos(getTimePosition());
   if (timePos.playing && timePos.bbt.valid)
     _context->sendMessageToReceiverV(HV_HASH_DPF_BPM, 0, "f", timePos.bbt.beatsPerMinute);

hvcc/generators/types/meta.py

@@ -40,6 +40,7 @@ class DPF(BaseModel):
     midi_output:    bool = False
     port_groups:    Optional[DPFPortGroups] = None
     enumerators:    Optional[Dict[str, List[str]]] = None
+    denormals:      bool = True
     version:        Optional[str] = None
     license:        Optional[str] = None
     maker:          Optional[str] = None