/* * Copyright (c) 2002-2012 LWJGL Project * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * * 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. * * * Neither the name of 'LWJGL' nor the names of * its contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "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 THE COPYRIGHT OWNER 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. */ package org.lwjgl.util.stream; import static org.lwjgl.opengl.GL15.*; /** Base functionality for streaming PBO transfers. */ abstract class StreamBufferedPBO extends StreamBuffered { protected final int[] pbos; protected StreamBufferedPBO(final StreamHandler handler, final int transfersToBuffer) { super(handler, transfersToBuffer); pbos = new int[transfersToBuffer]; } protected void resizeBuffers(final int height, final int stride, final int pboTarget, final int pboUsage) { final int renderBytes = height * stride; for ( int i = 0; i < pbos.length; i++ ) { pbos[i] = glGenBuffers(); glBindBuffer(pboTarget, pbos[i]); glBufferData(pboTarget, renderBytes, pboUsage); pinnedBuffers[i] = null; } glBindBuffer(pboTarget, 0); } }