1 files changed, 63 insertions, 0 deletions
diff --git a/src/classes/com/sun/opengl/impl/GLFixedArrayHandler.java b/src/classes/com/sun/opengl/impl/GLFixedArrayHandler.java
new file mode 100644
index 000000000..9882beb69
--- /dev/null
+++ b/src/classes/com/sun/opengl/impl/GLFixedArrayHandler.java
@@ -0,0 +1,63 @@
+
+package com.sun.opengl.impl;
+
+import javax.media.opengl.*;
+import javax.media.opengl.glsl.ShaderState;
+import java.nio.*;
+
+public class GLFixedArrayHandler implements GLArrayHandler {
+  private GLArrayData ad;
+
+  public GLFixedArrayHandler(GLArrayData ad) {
+    this.ad = ad;
+  }
+
+  protected final void passArrayPointer(GL gl) {
+    switch(ad.getIndex()) {
+        case GL.GL_VERTEX_ARRAY:
+            gl.glVertexPointer(ad);
+            break;
+        case GL.GL_NORMAL_ARRAY:
+            gl.glNormalPointer(ad);
+            break;
+        case GL.GL_COLOR_ARRAY:
+            gl.glColorPointer(ad);
+            break;
+        case GL.GL_TEXTURE_COORD_ARRAY:
+            gl.glTexCoordPointer(ad);
+            break;
+        default:
+            throw new GLException("invalid glArrayIndex: "+ad.getIndex()+":\n\t"+ad); 
+    }
+  }
+
+  public void enableBuffer(GL gl, boolean enable) {
+    if(enable) {
+        gl.glEnableClientState(ad.getIndex());
+
+        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(GL.GL_ARRAY_BUFFER, ad.getVBOName());
+            if(!ad.isBufferWritten()) {
+                if(null!=buffer) {
+                    gl.glBufferData(GL.GL_ARRAY_BUFFER, buffer.limit() * ad.getComponentSize(), buffer, ad.getBufferUsage());
+                }
+                ad.setBufferWritten(true);
+            }
+            passArrayPointer(gl);
+        } else if(null!=buffer) {
+            passArrayPointer(gl);
+            ad.setBufferWritten(true);
+        }
+    } else {
+        if(ad.isVBO()) {
+            gl.glBindBuffer(GL.GL_ARRAY_BUFFER, 0);
+        }
+        gl.glDisableClientState(ad.getIndex());
+    }
+  }
+}
+