Fully implement IProcessContextRequirements

src/common/serialization/vst3.h

@@ -120,6 +120,7 @@ using ControlRequest =
                  YaPluginBase::Terminate,
                  YaPluginFactory::Construct,
                  YaPluginFactory::SetHostContext,
+                 YaProcessContextRequirements::GetProcessContextRequirements,
                  YaProgramListData::ProgramDataSupported,
                  YaProgramListData::GetProgramData,
                  YaProgramListData::SetProgramData,

src/plugin/bridges/vst3-impls/plugin-proxy.cpp

@@ -729,11 +729,9 @@ tresult PLUGIN_API Vst3PluginProxyImpl::getPrefetchableSupport(
 }
 
 uint32 PLUGIN_API Vst3PluginProxyImpl::getProcessContextRequirements() {
-    // TODO: Implement
-    bridge.logger.log(
-        "TODO: Implement "
-        "IProcessContextRequirements::getProcessContextRequirements()");
-    return 0;
+    return bridge.send_message(
+        YaProcessContextRequirements::GetProcessContextRequirements{
+            .instance_id = instance_id()});
 }
 
 tresult PLUGIN_API Vst3PluginProxyImpl::programDataSupported(

src/wine-host/bridges/vst3.cpp

@@ -56,6 +56,7 @@ InstanceInterfaces::InstanceInterfaces(
       plugin_base(object),
       unit_data(object),
       prefetchable_support(object),
+      process_context_requirements(object),
       program_list_data(object),
       unit_info(object),
       xml_representation_controller(object) {}
@@ -827,6 +828,14 @@ void Vst3Bridge::run() {
                 return object_instances[request.instance_id]
                     .program_list_data->programDataSupported(request.list_id);
             },
+            [&](const YaProcessContextRequirements::
+                    GetProcessContextRequirements& request)
+                -> YaProcessContextRequirements::GetProcessContextRequirements::
+                    Response {
+                        return object_instances[request.instance_id]
+                            .process_context_requirements
+                            ->getProcessContextRequirements();
+                    },
             [&](YaProgramListData::GetProgramData& request)
                 -> YaProgramListData::GetProgramData::Response {
                 const tresult result =

src/wine-host/bridges/vst3.h

@@ -171,6 +171,8 @@ struct InstanceInterfaces {
     Steinberg::FUnknownPtr<Steinberg::Vst::IUnitData> unit_data;
     Steinberg::FUnknownPtr<Steinberg::Vst::IPrefetchableSupport>
         prefetchable_support;
+    Steinberg::FUnknownPtr<Steinberg::Vst::IProcessContextRequirements>
+        process_context_requirements;
     Steinberg::FUnknownPtr<Steinberg::Vst::IProgramListData> program_list_data;
     Steinberg::FUnknownPtr<Steinberg::Vst::IUnitInfo> unit_info;
     Steinberg::FUnknownPtr<Steinberg::Vst::IXmlRepresentationController>