/* | |
* 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 "WebGLIntArray.h" | |
namespace WebCore { | |
PassRefPtr<WebGLIntArray> WebGLIntArray::create(unsigned length) | |
{ | |
RefPtr<WebGLArrayBuffer> buffer = WebGLArrayBuffer::create(length, sizeof(int)); | |
return create(buffer, 0, length); | |
} | |
PassRefPtr<WebGLIntArray> WebGLIntArray::create(int* array, unsigned length) | |
{ | |
RefPtr<WebGLIntArray> a = WebGLIntArray::create(length); | |
for (unsigned i = 0; i < length; ++i) | |
a->set(i, array[i]); | |
return a; | |
} | |
PassRefPtr<WebGLIntArray> WebGLIntArray::create(PassRefPtr<WebGLArrayBuffer> buffer, | |
unsigned byteOffset, | |
unsigned length) | |
{ | |
RefPtr<WebGLArrayBuffer> buf(buffer); | |
if (!verifySubRange<int>(buf, byteOffset, length)) | |
return 0; | |
return adoptRef(new WebGLIntArray(buf, byteOffset, length)); | |
} | |
WebGLIntArray::WebGLIntArray(PassRefPtr<WebGLArrayBuffer> buffer, unsigned byteOffset, unsigned length) | |
: WebGLArray(buffer, byteOffset) | |
, m_size(length) | |
{ | |
} | |
unsigned WebGLIntArray::length() const { | |
return m_size; | |
} | |
unsigned WebGLIntArray::byteLength() const { | |
return m_size * sizeof(int); | |
} | |
PassRefPtr<WebGLArray> WebGLIntArray::slice(int start, int end) | |
{ | |
unsigned offset, length; | |
calculateOffsetAndLength(start, end, m_size, &offset, &length); | |
unsigned fullOffset = m_byteOffset + offset * sizeof(int); | |
clampOffsetAndNumElements<int>(buffer(), &fullOffset, &length); | |
return create(buffer(), fullOffset, length); | |
} | |
void WebGLIntArray::set(WebGLIntArray* array, unsigned offset, ExceptionCode& ec) { | |
setImpl(array, offset * sizeof(int), ec); | |
} | |
} | |
#endif // ENABLE(3D_CANVAS) |