46 lines
2.0 KiB
C
46 lines
2.0 KiB
C
//===============================================================================
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// Copyright (c) 2007-2016 Advanced Micro Devices, Inc. All rights reserved.
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// Copyright (c) 2004-2006 ATI Technologies Inc.
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//===============================================================================
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files(the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions :
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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#ifndef _BC7_UTILS_H_
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#define _BC7_UTILS_H_
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#include "bc7_definitions.h"
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extern void WriteBit(CMP_BYTE *base,
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int offset,
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CMP_BYTE bitVal);
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extern void GetRamp(CMP_DWORD endpoint[][MAX_DIMENSION_BIG],
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double ramp[MAX_DIMENSION_BIG][(1<<MAX_INDEX_BITS)],
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CMP_DWORD clusters[2],
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CMP_DWORD componentBits[MAX_DIMENSION_BIG]);
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extern void DecodeEndPoints(CMP_DWORD endpoint[][MAX_DIMENSION_BIG],
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CMP_DWORD componentBits[MAX_DIMENSION_BIG],
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float ep[][MAX_DIMENSION_BIG]);
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extern const double rampLerpWeights[5][1<<MAX_INDEX_BITS];
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#endif
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