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/WebGLRenderbuffer.h" 29 30#include "core/html/canvas/WebGLRenderingContext.h" 31 32namespace WebCore { 33 34PassRefPtr<WebGLRenderbuffer> WebGLRenderbuffer::create(WebGLRenderingContext* ctx) 35{ 36 return adoptRef(new WebGLRenderbuffer(ctx)); 37} 38 39WebGLRenderbuffer::~WebGLRenderbuffer() 40{ 41 deleteObject(0); 42} 43 44WebGLRenderbuffer::WebGLRenderbuffer(WebGLRenderingContext* ctx) 45 : WebGLSharedObject(ctx) 46 , m_internalFormat(GL_RGBA4) 47 , m_initialized(false) 48 , m_width(0) 49 , m_height(0) 50 , m_hasEverBeenBound(false) 51{ 52 ScriptWrappable::init(this); 53 setObject(ctx->graphicsContext3D()->createRenderbuffer()); 54} 55 56void WebGLRenderbuffer::deleteObjectImpl(GraphicsContext3D* context3d, Platform3DObject object) 57{ 58 context3d->deleteRenderbuffer(object); 59 deleteEmulatedStencilBuffer(context3d); 60} 61 62void WebGLRenderbuffer::deleteEmulatedStencilBuffer(GraphicsContext3D* context3d) 63{ 64 if (!m_emulatedStencilBuffer) 65 return; 66 m_emulatedStencilBuffer->deleteObject(context3d); 67 m_emulatedStencilBuffer.clear(); 68} 69 70} 71