am 643ca787: Merge webkit.org at r51976 : Initial merge by git.

Merge commit '643ca7872b450ea4efacab6188849e5aac2ba161' into eclair-mr2-plus-aosp

* commit '643ca7872b450ea4efacab6188849e5aac2ba161':
  Merge webkit.org at r51976 : Initial merge by git.

1 files changed, 71 insertions, 0 deletions

diff --git a/WebCore/html/canvas/WebGLArrayBuffer.cpp b/WebCore/html/canvas/WebGLArrayBuffer.cpp
new file mode 100644
index 0000000..c565691
--- /dev/null
+++ b/WebCore/html/canvas/WebGLArrayBuffer.cpp
@@ -0,0 +1,71 @@
+/*
+ * Copyright (C) 2009 Apple 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 <wtf/RefPtr.h>
+
+namespace WebCore {
+
+PassRefPtr<WebGLArrayBuffer> WebGLArrayBuffer::create(unsigned sizeInBytes)
+{
+    return adoptRef(new WebGLArrayBuffer(sizeInBytes));
+}
+
+PassRefPtr<WebGLArrayBuffer> WebGLArrayBuffer::create(WebGLArrayBuffer* other)
+{
+    RefPtr<WebGLArrayBuffer> buffer = adoptRef(new WebGLArrayBuffer(other->byteLength()));
+    memcpy(buffer->data(), other->data(), other->byteLength());
+    return buffer.release();
+}
+
+WebGLArrayBuffer::WebGLArrayBuffer(unsigned sizeInBytes) {
+    m_sizeInBytes = sizeInBytes;
+    m_data = WTF::fastZeroedMalloc(sizeInBytes);
+}
+
+void* WebGLArrayBuffer::data() {
+    return m_data;
+}
+
+const void* WebGLArrayBuffer::data() const {
+    return m_data;
+}
+
+unsigned WebGLArrayBuffer::byteLength() const {
+    return m_sizeInBytes;
+}
+
+WebGLArrayBuffer::~WebGLArrayBuffer() {
+    WTF::fastFree(m_data);
+}
+
+}
+
+#endif // ENABLE(3D_CANVAS)