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(3D_CANVAS) 29 30 #include "WebGLArrayBuffer.h" 31 32 #include <wtf/RefPtr.h> 33 34 namespace WebCore { 35 36 PassRefPtr<WebGLArrayBuffer> WebGLArrayBuffer::create(unsigned sizeInBytes) 37 { 38 return adoptRef(new WebGLArrayBuffer(sizeInBytes)); 39 } 40 41 PassRefPtr<WebGLArrayBuffer> WebGLArrayBuffer::create(WebGLArrayBuffer* other) 42 { 43 RefPtr<WebGLArrayBuffer> buffer = adoptRef(new WebGLArrayBuffer(other->byteLength())); 44 memcpy(buffer->data(), other->data(), other->byteLength()); 45 return buffer.release(); 46 } 47 48 WebGLArrayBuffer::WebGLArrayBuffer(unsigned sizeInBytes) { 49 m_sizeInBytes = sizeInBytes; 50 m_data = WTF::fastZeroedMalloc(sizeInBytes); 51 } 52 53 void* WebGLArrayBuffer::data() { 54 return m_data; 55 } 56 57 const void* WebGLArrayBuffer::data() const { 58 return m_data; 59 } 60 61 unsigned WebGLArrayBuffer::byteLength() const { 62 return m_sizeInBytes; 63 } 64 65 WebGLArrayBuffer::~WebGLArrayBuffer() { 66 WTF::fastFree(m_data); 67 } 68 69 } 70 71 #endif // ENABLE(3D_CANVAS) 72