Implement Wine side for creating plugin instances

src/common/logging/clap.cpp

@@ -29,6 +29,15 @@ bool ClapLogger::log_request(bool is_host_plugin,
     });
 }
 
+bool ClapLogger::log_request(bool is_host_plugin,
+                             const clap::plugin_factory::Create& request) {
+    return log_request_base(is_host_plugin, [&](auto& message) {
+        message << "clap_plugin_factory::create(host = <clap_host_t*>, "
+                   "plugin_id = \""
+                << request.plugin_id << "\")";
+    });
+}
+
 bool ClapLogger::log_request(bool is_host_plugin, const WantsConfiguration&) {
     return log_request_base(is_host_plugin, [&](auto& message) {
         message << "Requesting <Configuration>";
@@ -40,10 +49,10 @@ bool ClapLogger::log_request(bool is_host_plugin, const WantsConfiguration&) {
 //     });
 // }
 
-bool ClapLogger::log_response(
+void ClapLogger::log_response(
     bool is_host_plugin,
     const clap::plugin_factory::ListResponse& response) {
-    return log_request_base(is_host_plugin, [&](auto& message) {
+    return log_response_base(is_host_plugin, [&](auto& message) {
         if (response.descriptors) {
             message << "<clap_plugin_factory containing "
                     << response.descriptors->size() << " plugin descriptors>";
@@ -53,6 +62,19 @@ bool ClapLogger::log_response(
     });
 }
 
+void ClapLogger::log_response(
+    bool is_host_plugin,
+    const clap::plugin_factory::CreateResponse& response) {
+    return log_response_base(is_host_plugin, [&](auto& message) {
+        if (response.instance_id) {
+            message << "<clap_plugin_t* with instance ID "
+                    << *response.instance_id << ">";
+        } else {
+            message << "<nullptr*>";
+        }
+    });
+}
+
 void ClapLogger::log_response(bool is_host_plugin, const Configuration&) {
     log_response_base(is_host_plugin,
                       [&](auto& message) { message << "<Configuration>"; });

src/common/logging/clap.h

@@ -46,6 +46,7 @@ class ClapLogger {
     // log message for the response together with the request.
 
     bool log_request(bool is_host_plugin, const clap::plugin_factory::List&);
+    bool log_request(bool is_host_plugin, const clap::plugin_factory::Create&);
 
     // TODO: Audio thread requests
     // bool log_request(bool is_host_plugin,
@@ -54,8 +55,10 @@ class ClapLogger {
     bool log_request(bool is_host_plugin, const WantsConfiguration&);
 
     // void log_response(bool is_host_plugin, const Ack&);
-    bool log_response(bool is_host_plugin,
+    void log_response(bool is_host_plugin,
                       const clap::plugin_factory::ListResponse&);
+    void log_response(bool is_host_plugin,
+                      const clap::plugin_factory::CreateResponse&);
 
     // TODO: Audio thread responses
     // void log_response(bool is_host_plugin,

src/common/serialization/clap.h

@@ -22,6 +22,7 @@
 
 #include "../bitsery/ext/message-reference.h"
 #include "../utils.h"
+#include "clap/host.h"
 #include "clap/plugin-factory.h"
 #include "common.h"
 
@@ -38,8 +39,9 @@
  */
 // FIXME: Remove the `WantsConfiguration`. For some reason bitsery just won't
 //        serialize this without it.
-using ClapMainThreadControlRequest =
-    std::variant<WantsConfiguration, clap::plugin_factory::List>;
+using ClapMainThreadControlRequest = std::variant<WantsConfiguration,
+                                                  clap::plugin_factory::List,
+                                                  clap::plugin_factory::Create>;
 
 template <typename S>
 void serialize(S& s, ClapMainThreadControlRequest& payload) {