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 #include "core/html/canvas/WebGLBuffer.h" 29 30 #include "core/html/canvas/WebGLRenderingContextBase.h" 31 32 namespace WebCore { 33 34 PassRefPtr<WebGLBuffer> WebGLBuffer::create(WebGLRenderingContextBase* ctx) 35 { 36 return adoptRef(new WebGLBuffer(ctx)); 37 } 38 39 WebGLBuffer::WebGLBuffer(WebGLRenderingContextBase* ctx) 40 : WebGLSharedObject(ctx) 41 , m_target(0) 42 { 43 ScriptWrappable::init(this); 44 setObject(ctx->webContext()->createBuffer()); 45 } 46 47 WebGLBuffer::~WebGLBuffer() 48 { 49 deleteObject(0); 50 } 51 52 void WebGLBuffer::deleteObjectImpl(blink::WebGraphicsContext3D* context3d, Platform3DObject object) 53 { 54 context3d->deleteBuffer(object); 55 } 56 57 void WebGLBuffer::setTarget(GLenum target) 58 { 59 // In WebGL, a buffer is bound to one target in its lifetime 60 if (m_target) 61 return; 62 if (target == GL_ARRAY_BUFFER || target == GL_ELEMENT_ARRAY_BUFFER) 63 m_target = target; 64 } 65 66 } 67