1 files changed, 73 insertions, 0 deletions
diff --git a/src/jogl/classes/jogamp/opengl/util/GLDataArrayHandler.java b/src/jogl/classes/jogamp/opengl/util/GLDataArrayHandler.java
new file mode 100644
index 000000000..718b63822
--- /dev/null
+++ b/src/jogl/classes/jogamp/opengl/util/GLDataArrayHandler.java
@@ -0,0 +1,73 @@
+/**
+ * Copyright 2010 JogAmp Community. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ *    1. Redistributions of source code must retain the above copyright notice, this list of
+ *       conditions and the following disclaimer.
+ *
+ *    2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *       of conditions and the following disclaimer in the documentation and/or other materials
+ *       provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * The views and conclusions contained in the software and documentation are those of the
+ * authors and should not be interpreted as representing official policies, either expressed
+ * or implied, of JogAmp Community.
+ */
+
+package jogamp.opengl.util;
+
+import javax.media.opengl.*;
+import com.jogamp.opengl.util.*;
+
+import java.nio.*;
+
+/**
+ * Used for pure VBO data arrays, i.e. where the buffer data 
+ * does not represents a specific array name. 
+ */
+public class GLDataArrayHandler implements GLArrayHandler {
+  private GLArrayDataEditable ad;
+
+  public GLDataArrayHandler(GLArrayDataEditable ad) {
+    this.ad = ad;
+    if(!ad.isVBO()) {
+        // makes no sense otherwise
+        throw new GLException("GLDataArrayHandler can only handle VBOs.");
+    }
+  }
+
+  public final void addSubHandler(GLArrayHandler handler) {
+      throw new UnsupportedOperationException();
+  }
+  
+  public final void enableBuffer(GL gl, boolean enable) {
+    if(enable) {
+        Buffer buffer = ad.getBuffer();
+
+        // 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.getComponentSizeInBytes(), buffer, ad.getVBOUsage());
+            }
+            ad.setVBOWritten(true);
+        }
+    } else {
+        gl.glBindBuffer(ad.getVBOTarget(), 0);
+    }
+  }
+}
+