/** * 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; } public final void setSubArrayVBOName(int vboName) { throw new UnsupportedOperationException(); } public final void addSubHandler(GLArrayHandlerFlat handler) { throw new UnsupportedOperationException(); } public final void enableState(GL gl, boolean enable, Object ext) { if(enable) { if(!ad.isVBO()) { // makes no sense otherwise throw new GLException("GLDataArrayHandler can only handle VBOs."); } 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); } gl.glBindBuffer(ad.getVBOTarget(), 0); } // no array association } }