4 files changed, 18 insertions, 0 deletions
diff --git a/src/jogl/classes/com/jogamp/graph/curve/opengl/GLRegion.java b/src/jogl/classes/com/jogamp/graph/curve/opengl/GLRegion.java
index 2864f48bb..c282a4b92 100644
--- a/src/jogl/classes/com/jogamp/graph/curve/opengl/GLRegion.java
+++ b/src/jogl/classes/com/jogamp/graph/curve/opengl/GLRegion.java
@@ -356,6 +356,9 @@ public abstract class GLRegion extends Region {
         }
     }
 
+    /** Set the 2nd pass texture unit. */
+    public abstract void setTextureUnit(final int pass2TexUnit);
+
     @Override
     protected final void pushVertex(final Vec3f coords, final Vec3f texParams, final Vec4f rgba) {
         // NIO array[3] is much slows than group/single
diff --git a/src/jogl/classes/jogamp/graph/curve/opengl/VBORegion2PMSAAES2.java b/src/jogl/classes/jogamp/graph/curve/opengl/VBORegion2PMSAAES2.java
index 62451ec50..e5221eefb 100644
--- a/src/jogl/classes/jogamp/graph/curve/opengl/VBORegion2PMSAAES2.java
+++ b/src/jogl/classes/jogamp/graph/curve/opengl/VBORegion2PMSAAES2.java
@@ -127,6 +127,11 @@ public final class VBORegion2PMSAAES2  extends GLRegion {
     }
 
     @Override
+    public void setTextureUnit(final int pass2TexUnit) {
+        gcu_FboTexUnit.setData(pass2TexUnit);
+    }
+
+    @Override
     protected final void clearImpl(final GL2ES2 gl) {
         fboDirty = true;
     }
diff --git a/src/jogl/classes/jogamp/graph/curve/opengl/VBORegion2PVBAAES2.java b/src/jogl/classes/jogamp/graph/curve/opengl/VBORegion2PVBAAES2.java
index 3acbd6c73..f7ab0a2d6 100644
--- a/src/jogl/classes/jogamp/graph/curve/opengl/VBORegion2PVBAAES2.java
+++ b/src/jogl/classes/jogamp/graph/curve/opengl/VBORegion2PVBAAES2.java
@@ -220,6 +220,11 @@ public final class VBORegion2PVBAAES2  extends GLRegion {
     }
 
     @Override
+    public void setTextureUnit(final int pass2TexUnit) {
+        gcu_FboTexUnit.setData(pass2TexUnit);
+    }
+
+    @Override
     protected final void clearImpl(final GL2ES2 gl) {
         fboDirty = true;
     }
diff --git a/src/jogl/classes/jogamp/graph/curve/opengl/VBORegionSPES2.java b/src/jogl/classes/jogamp/graph/curve/opengl/VBORegionSPES2.java
index a55bd626a..9d9e2bbea 100644
--- a/src/jogl/classes/jogamp/graph/curve/opengl/VBORegionSPES2.java
+++ b/src/jogl/classes/jogamp/graph/curve/opengl/VBORegionSPES2.java
@@ -75,6 +75,11 @@ public final class VBORegionSPES2 extends GLRegion {
     }
 
     @Override
+    public void setTextureUnit(final int pass2TexUnit) {
+        // nop
+    }
+
+    @Override
     protected final void clearImpl(final GL2ES2 gl) { }
 
     @Override