//===============================================================================
// Copyright (c) 2007-2016  Advanced Micro Devices, Inc. All rights reserved.
// Copyright (c) 2004-2006 ATI Technologies Inc.
//===============================================================================
//
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// of this software and associated documentation files(the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions :
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
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// THE SOFTWARE.

#ifndef _BC7_UTILS_H_
#define _BC7_UTILS_H_

#include "bc7_definitions.h"

extern void    WriteBit(CMP_BYTE   *base,
                        int  offset,
                        CMP_BYTE   bitVal);

extern void GetRamp(CMP_DWORD endpoint[][MAX_DIMENSION_BIG],
                    double ramp[MAX_DIMENSION_BIG][(1<<MAX_INDEX_BITS)],
                    CMP_DWORD clusters[2],
                    CMP_DWORD componentBits[MAX_DIMENSION_BIG]);

extern void DecodeEndPoints(CMP_DWORD endpoint[][MAX_DIMENSION_BIG],
                            CMP_DWORD componentBits[MAX_DIMENSION_BIG],
                            float ep[][MAX_DIMENSION_BIG]);

extern const double  rampLerpWeights[5][1<<MAX_INDEX_BITS];

#endif