46 lines
2.0 KiB
C

//===============================================================================
// Copyright (c) 2007-2016 Advanced Micro Devices, Inc. All rights reserved.
// Copyright (c) 2004-2006 ATI Technologies Inc.
//===============================================================================
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// 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.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// 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