1 files changed, 41 insertions, 0 deletions
diff --git a/src/jogl/classes/com/jogamp/opengl/util/GLDataArrayHandler.java b/src/jogl/classes/com/jogamp/opengl/util/GLDataArrayHandler.java
new file mode 100644
index 000000000..74d49aa6c
--- /dev/null
+++ b/src/jogl/classes/com/jogamp/opengl/util/GLDataArrayHandler.java
@@ -0,0 +1,41 @@
+
+package com.jogamp.opengl.util;
+
+import javax.media.opengl.*;
+import javax.media.opengl.fixedfunc.*;
+import com.jogamp.opengl.util.*;
+import java.nio.*;
+
+public class GLDataArrayHandler implements GLArrayHandler {
+  private GLArrayDataEditable ad;
+
+  public GLDataArrayHandler(GLArrayDataEditable ad) {
+    this.ad = ad;
+  }
+
+  public void enableBuffer(GL gl, boolean enable) {
+    GLPointerFunc glp = gl.getGL2ES1();
+    if(enable) {
+        Buffer buffer = ad.getBuffer();
+
+        if(ad.isVBO()) {
+            // always bind and refresh the VBO mgr, 
+            // in case more than one gl*Pointer objects are in use
+            gl.glBindBuffer(ad.getVBOTarget(), ad.getVBOName());
+            if(!ad.isVBOWritten()) {
+                if(null!=buffer) {
+                    gl.glBufferData(ad.getVBOTarget(), buffer.limit() * ad.getComponentSize(), buffer, ad.getVBOUsage());
+                }
+                ad.setVBOWritten(true);
+            }
+        } else if(null!=buffer) {
+            ad.setVBOWritten(true);
+        }
+    } else {
+        if(ad.isVBO()) {
+            gl.glBindBuffer(ad.getVBOTarget(), 0);
+        }
+    }
+  }
+}
+