/* * 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. */ #ifndef WebGLArray_h #define WebGLArray_h #include "ExceptionCode.h" #include <wtf/PassRefPtr.h> #include <wtf/RefCounted.h> #include <wtf/RefPtr.h> #include "WebGLArrayBuffer.h" namespace WebCore { class WebGLArray : public RefCounted<WebGLArray> { public: virtual bool isByteArray() const { return false; } virtual bool isUnsignedByteArray() const { return false; } virtual bool isShortArray() const { return false; } virtual bool isUnsignedShortArray() const { return false; } virtual bool isIntArray() const { return false; } virtual bool isUnsignedIntArray() const { return false; } virtual bool isFloatArray() const { return false; } PassRefPtr<WebGLArrayBuffer> buffer() { return m_buffer; } void* baseAddress() { return m_baseAddress; } unsigned byteOffset() const { return m_byteOffset; } virtual unsigned length() const = 0; virtual unsigned byteLength() const = 0; virtual PassRefPtr<WebGLArray> slice(unsigned offset, unsigned length) = 0; virtual ~WebGLArray(); protected: WebGLArray(PassRefPtr<WebGLArrayBuffer> buffer, unsigned byteOffset); void setImpl(WebGLArray* array, unsigned byteOffset, ExceptionCode& ec); // This is the address of the WebGLArrayBuffer's storage, plus the byte offset. void* m_baseAddress; unsigned m_byteOffset; private: RefPtr<WebGLArrayBuffer> m_buffer; }; } // namespace WebCore #endif // WebGLArray_h