1 /* 2 * Copyright (C) 2009 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #include "config.h" 27 28 #if ENABLE(WEBGL) 29 30 #include "WebGLObject.h" 31 32 #include "WebGLRenderingContext.h" 33 34 namespace WebCore { 35 36 WebGLObject::WebGLObject(WebGLRenderingContext* context) 37 : m_object(0) 38 , m_context(context) 39 , m_attachmentCount(0) 40 , m_deleted(false) 41 { 42 } 43 44 WebGLObject::~WebGLObject() 45 { 46 if (m_context) 47 m_context->removeObject(this); 48 } 49 50 void WebGLObject::setObject(Platform3DObject object) 51 { 52 // object==0 && m_deleted==false indicating an uninitialized state; 53 ASSERT(!m_object && !m_deleted); 54 m_object = object; 55 } 56 57 void WebGLObject::deleteObject() 58 { 59 m_deleted = true; 60 if (!m_context || !m_object) 61 return; 62 if (!m_attachmentCount) { 63 m_context->graphicsContext3D()->makeContextCurrent(); 64 deleteObjectImpl(m_object); 65 m_object = 0; 66 } 67 } 68 69 } 70 71 #endif // ENABLE(WEBGL) 72