From 0dd6ef1cf40744abfa5fc7eb18ccd26a6cdddb12 Mon Sep 17 00:00:00 2001
From: Harvey Harrison <harvey.harrison@gmail.com>
Date: Sat, 16 Mar 2013 21:49:45 -0700
Subject: j3dcore: explicitly store the readonlyBuffer copy in preparation to
 remove BufferWrapper

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
---
 src/classes/share/javax/media/j3d/J3DBuffer.java | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'src/classes')

diff --git a/src/classes/share/javax/media/j3d/J3DBuffer.java b/src/classes/share/javax/media/j3d/J3DBuffer.java
index 17fcd61..8abaeae 100644
--- a/src/classes/share/javax/media/j3d/J3DBuffer.java
+++ b/src/classes/share/javax/media/j3d/J3DBuffer.java
@@ -74,6 +74,7 @@ enum Type {
 }
 
     private Buffer originalBuffer = null;
+    private Buffer readonlyBuffer = null;
     private BufferWrapper bufferImpl = null;
     Type bufferType = Type.NULL;
 
@@ -188,19 +189,23 @@ enum Type {
 	case BYTE:
 	    ByteBuffer byteBuffer =	((ByteBuffer)buffer).asReadOnlyBuffer();
 	    byteBuffer.rewind();
+	    readonlyBuffer = byteBuffer;
 	    bufferImpl = new ByteBufferWrapper(byteBuffer);
 	    break;
 	case FLOAT:
 	    FloatBuffer floatBuffer = ((FloatBuffer)buffer).asReadOnlyBuffer();
 	    floatBuffer.rewind();
+	    readonlyBuffer = floatBuffer;
 	    bufferImpl = new FloatBufferWrapper(floatBuffer);
 	    break;
 	case DOUBLE:
 	    DoubleBuffer doubleBuffer = ((DoubleBuffer)buffer).asReadOnlyBuffer();
 	    doubleBuffer.rewind();
+	    readonlyBuffer = doubleBuffer;
 	    bufferImpl = new DoubleBufferWrapper(doubleBuffer);
 	    break;
 	default:
+		readonlyBuffer = null;
 	    bufferImpl = null;
 	}
     }
@@ -215,6 +220,14 @@ enum Type {
 	return originalBuffer;
     }
 
+/**
+ * Gets the readonly view of the nio buffer we wrapped with J3DBuffer
+ * @return
+ */
+Buffer getROBuffer() {
+	return readonlyBuffer;
+}
+
     BufferWrapper getBufferImpl() {
 	return bufferImpl;
     }
-- 
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