commit 81433569ad9e05843976d26070ce7f6996fc5db8
Author: Leszek Koltunski <leszek@koltunski.pl>
Date:   Sat Apr 9 12:59:23 2022 +0200

    Fix for an invalid enum.

diff --git a/src/main/java/org/distorted/library/mesh/MeshBase.java b/src/main/java/org/distorted/library/mesh/MeshBase.java
index e89c906..8cab2b9 100644
--- a/src/main/java/org/distorted/library/mesh/MeshBase.java
+++ b/src/main/java/org/distorted/library/mesh/MeshBase.java
@@ -623,7 +623,7 @@ public abstract class MeshBase
        Log.e("mesh", "failed to map tf buffer, error="+error);
        }
 
-     GLES30.glUnmapBuffer(GLES30.GL_TRANSFORM_FEEDBACK);
+     GLES30.glUnmapBuffer(GLES30.GL_TRANSFORM_FEEDBACK_BUFFER);
      }
 
 ///////////////////////////////////////////////////////////////////////////////////////////////////