2 * Copyright (C) 2010 Apple Inc. All rights reserved.
3 * Copyright (c) 2010, Google Inc. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 #ifndef IntegralTypedArrayBase_h
28 #define IntegralTypedArrayBase_h
30 #include <wtf/TypedArrayBase.h>
32 #include <wtf/MathExtras.h>
34 // Base class for all WebGL<T>Array types holding integral
35 // (non-floating-point) values.
40 class IntegralTypedArrayBase : public TypedArrayBase<T> {
42 void set(unsigned index, double value)
44 if (index >= TypedArrayBase<T>::m_length)
46 if (isnan(value)) // Clamp NaN to 0
48 // The double cast is necessary to get the correct wrapping
49 // for out-of-range values with Int32Array and Uint32Array.
50 TypedArrayBase<T>::data()[index] = static_cast<T>(static_cast<int64_t>(value));
54 IntegralTypedArrayBase(PassRefPtr<ArrayBuffer> buffer, unsigned byteOffset, unsigned length)
55 : TypedArrayBase<T>(buffer, byteOffset, length)
62 using WTF::IntegralTypedArrayBase;
64 #endif // IntegralTypedArrayBase_h