| /* |
| * Copyright (C) 2009 Apple Inc. All rights reserved. |
| * Copyright (C) 2009 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. 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. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``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 APPLE COMPUTER, INC. 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. |
| */ |
| |
| #include "config.h" |
| |
| #if ENABLE(3D_CANVAS) |
| |
| #include "WebGLArrayBuffer.h" |
| #include "WebGLUnsignedIntArray.h" |
| |
| namespace WebCore { |
| |
| PassRefPtr<WebGLUnsignedIntArray> WebGLUnsignedIntArray::create(unsigned length) |
| { |
| RefPtr<WebGLArrayBuffer> buffer = WebGLArrayBuffer::create(length, sizeof(unsigned int)); |
| return create(buffer, 0, length); |
| } |
| |
| PassRefPtr<WebGLUnsignedIntArray> WebGLUnsignedIntArray::create(unsigned int* array, unsigned length) |
| { |
| RefPtr<WebGLUnsignedIntArray> a = WebGLUnsignedIntArray::create(length); |
| for (unsigned i = 0; i < length; ++i) |
| a->set(i, array[i]); |
| return a; |
| } |
| |
| PassRefPtr<WebGLUnsignedIntArray> WebGLUnsignedIntArray::create(PassRefPtr<WebGLArrayBuffer> buffer, |
| unsigned byteOffset, |
| unsigned length) |
| { |
| RefPtr<WebGLArrayBuffer> buf(buffer); |
| if (!verifySubRange<unsigned int>(buf, byteOffset, length)) |
| return 0; |
| |
| return adoptRef(new WebGLUnsignedIntArray(buf, byteOffset, length)); |
| } |
| |
| WebGLUnsignedIntArray::WebGLUnsignedIntArray(PassRefPtr<WebGLArrayBuffer> buffer, unsigned byteOffset, unsigned length) |
| : WebGLArray(buffer, byteOffset) |
| , m_size(length) |
| { |
| } |
| |
| unsigned WebGLUnsignedIntArray::length() const { |
| return m_size; |
| } |
| |
| unsigned WebGLUnsignedIntArray::byteLength() const { |
| return m_size * sizeof(unsigned int); |
| } |
| |
| PassRefPtr<WebGLArray> WebGLUnsignedIntArray::slice(int start, int end) |
| { |
| unsigned offset, length; |
| calculateOffsetAndLength(start, end, m_size, &offset, &length); |
| unsigned fullOffset = m_byteOffset + offset * sizeof(unsigned int); |
| clampOffsetAndNumElements<unsigned int>(buffer(), &fullOffset, &length); |
| return create(buffer(), fullOffset, length); |
| } |
| |
| void WebGLUnsignedIntArray::set(WebGLUnsignedIntArray* array, unsigned offset, ExceptionCode& ec) { |
| setImpl(array, offset * sizeof(unsigned int), ec); |
| } |
| |
| } |
| |
| #endif // ENABLE(3D_CANVAS) |