1 files changed, 90 insertions, 0 deletions
diff --git a/src/3rdparty/webkit/WebCore/html/canvas/WebGLUnsignedByteArray.cpp b/src/3rdparty/webkit/WebCore/html/canvas/WebGLUnsignedByteArray.cpp
new file mode 100644
index 0000000000..032581a079
--- /dev/null
+++ b/src/3rdparty/webkit/WebCore/html/canvas/WebGLUnsignedByteArray.cpp
@@ -0,0 +1,90 @@
+/*
+ * 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 "WebGLUnsignedByteArray.h"
+
+namespace WebCore {
+
+PassRefPtr<WebGLUnsignedByteArray> WebGLUnsignedByteArray::create(unsigned length)
+{
+    RefPtr<WebGLArrayBuffer> buffer = WebGLArrayBuffer::create(length, sizeof(unsigned char));
+    return create(buffer, 0, length);
+}
+
+PassRefPtr<WebGLUnsignedByteArray> WebGLUnsignedByteArray::create(unsigned char* array, unsigned length)
+{
+    RefPtr<WebGLUnsignedByteArray> a = WebGLUnsignedByteArray::create(length);
+    for (unsigned i = 0; i < length; ++i)
+        a->set(i, array[i]);
+    return a;
+}
+
+PassRefPtr<WebGLUnsignedByteArray> WebGLUnsignedByteArray::create(PassRefPtr<WebGLArrayBuffer> buffer,
+                                                                  unsigned byteOffset,
+                                                                  unsigned length)
+{
+    RefPtr<WebGLArrayBuffer> buf(buffer);
+    if (!verifySubRange<unsigned char>(buf, byteOffset, length))
+        return 0;
+
+    return adoptRef(new WebGLUnsignedByteArray(buf, byteOffset, length));
+}
+
+WebGLUnsignedByteArray::WebGLUnsignedByteArray(PassRefPtr<WebGLArrayBuffer> buffer, unsigned byteOffset, unsigned length)
+        : WebGLArray(buffer, byteOffset)
+        , m_size(length)
+{
+}
+
+unsigned WebGLUnsignedByteArray::length() const {
+    return m_size;
+}
+
+unsigned WebGLUnsignedByteArray::byteLength() const {
+    return m_size * sizeof(unsigned char);
+}
+
+PassRefPtr<WebGLArray> WebGLUnsignedByteArray::slice(int start, int end)
+{
+    unsigned offset, length;
+    calculateOffsetAndLength(start, end, m_size, &offset, &length);
+    unsigned fullOffset = m_byteOffset + offset * sizeof(unsigned char);
+    clampOffsetAndNumElements<unsigned char>(buffer(), &fullOffset, &length);
+    return create(buffer(), fullOffset, length);
+}
+
+void WebGLUnsignedByteArray::set(WebGLUnsignedByteArray* array, unsigned offset, ExceptionCode& ec) {
+    setImpl(array, offset * sizeof(unsigned char), ec);
+}
+
+}
+
+#endif // ENABLE(3D_CANVAS)