// Copyright (C) 2010-2012, XFX Team
// All rights reserved.
// 
// Redistribution and use in source and binary forms, with or without 
// modification, are permitted provided that the following conditions are met:
// 
//     * Redistributions of source code must retain the above copyright 
//       notice, this list of conditions and the following disclaimer.
//     * 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.
//     * Neither the name of the copyright holder nor the names of any 
//       contributors may be used to endorse or promote products derived from 
//       this software without specific prior written permission.
// 
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 THE COPYRIGHT OWNER 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 <Graphics/VertexElement.h>

namespace XFX
{
	namespace Graphics
	{
		VertexElement::VertexElement(short stream, short offset, VertexElementFormat_t elementFormat, VertexElementMethod_t elementMethod, VertexElementUsage_t elementUsage, byte usageIndex)
		{
			Stream = stream;
			Offset = offset;
			VertexElementFormat_ = elementFormat;
			VertexElementMethod_ = elementMethod;
			VertexElementUsage_ = elementUsage;
			UsageIndex = usageIndex;
		}
		
		int VertexElement::Equals(const VertexElement other)
		{
			return ((Offset == other.Offset) && (Stream == other.Stream) && (VertexElementFormat_ == other.VertexElementFormat_) &&
				(VertexElementMethod_ == other.VertexElementMethod_) && (VertexElementUsage_ == other.VertexElementUsage_) && (UsageIndex == other.UsageIndex));
		}
		
		int VertexElement::GetHashCode()
		{
			return (Stream ^ Offset ^ UsageIndex);
		}
		
		int VertexElement::operator!=(const VertexElement other)
		{
			return !Equals(other);
		}
		
		int VertexElement::operator==(const VertexElement other)
		{
			return Equals(other);
		}
	}
}