From 58712fb3a386ca6327b71218bab6e4b218da36a8 Mon Sep 17 00:00:00 2001
From: Sven Gothel <sgothel@jausoft.com>
Date: Mon, 26 Jun 2023 11:18:52 +0200
Subject: GlueGen JavaCallback: Add JavaCallback.methodSignature to JNI
 arg-list and pass value at invocation, allowing to find the jmethodID of
 callback

---
 .../com/jogamp/gluegen/JavaMethodBindingEmitter.java     | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/src/java/com/jogamp/gluegen/JavaMethodBindingEmitter.java b/src/java/com/jogamp/gluegen/JavaMethodBindingEmitter.java
index e7903fe..74e18e5 100644
--- a/src/java/com/jogamp/gluegen/JavaMethodBindingEmitter.java
+++ b/src/java/com/jogamp/gluegen/JavaMethodBindingEmitter.java
@@ -410,6 +410,14 @@ public class JavaMethodBindingEmitter extends FunctionEmitter {
         unit.emit(", int " + offsetArgName(i));
       }
     }
+    if( hasModifier(JavaMethodBindingEmitter.NATIVE) &&
+            null != cfg.bindingToJavaCallbackMap.get(binding.getName()) ) {
+        if (needComma) {
+            unit.emit(", ");
+        }
+        unit.emit("String callbackSignature");
+        ++numEmitted;
+    }
     return numEmitted;
   }
 
@@ -725,6 +733,14 @@ public class JavaMethodBindingEmitter extends FunctionEmitter {
       needComma = true;
       ++numArgsEmitted;
     }
+    final JavaConfiguration.JavaCallback jcb = cfg.bindingToJavaCallbackMap.get(binding.getName());
+    if( null != jcb ) {
+        if (needComma) {
+            unit.emit(", ");
+        }
+        unit.emit("\"" + jcb.methodSignature + "\"");
+        ++numArgsEmitted;
+    }
     return numArgsEmitted;
   }
 
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