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/*
* Copyright (c) 2008-2018, NVIDIA CORPORATION. All rights reserved.
*
* NVIDIA CORPORATION and its licensors retain all intellectual property
* and proprietary rights in and to this software, related documentation
* and any modifications thereto. Any use, reproduction, disclosure or
* distribution of this software and related documentation without an express
* license agreement from NVIDIA CORPORATION is strictly prohibited.
*/
#pragma once
#include "Common.h"
namespace GFSDK
{
namespace SSAO
{
//--------------------------------------------------------------------------------
class MatrixView
{
public:
MatrixView(const GFSDK_SSAO_Matrix& Matrix)
{
m_pFloat4x4 = Matrix.Data.Array;
m_IsRowMajor = (Matrix.Layout == GFSDK_SSAO_ROW_MAJOR_ORDER);
}
float operator() (UINT Row, UINT Col) const
{
ASSERT(Row < 4);
ASSERT(Col < 4);
if (!m_IsRowMajor)
{
std::swap(Row, Col);
}
return m_pFloat4x4[Row * 4 + Col];
}
private:
const float* m_pFloat4x4;
bool m_IsRowMajor;
};
} // namespace SSAO
} // namespace GFSDK
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