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50 lines
2.0 KiB
C
50 lines
2.0 KiB
C
//=====================================================================
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// Copyright (c) 2018 Advanced Micro Devices, Inc. All rights reserved.
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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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//
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//=====================================================================
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#ifndef BC1_ENCODE_KERNEL_H
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#define BC1_ENCODE_KERNEL_H
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#include "BCn_Common_Kernel.h"
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#include "Common_Def.h"
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#define CS_RED(r, g, b) (r)
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#define CS_GREEN(r, g, b) (g)
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#define CS_BLUE(r, g, b) ((b + g) * 0.5f)
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#define DCS_RED(r, g, b) (r)
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#define DCS_GREEN(r, g, b) (g)
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#define DCS_BLUE(r, g, b) ((2.0f * b) - g)
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#define BYTEPP 4
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#define BC1CompBlockSize 8
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#define ROUND_AND_CLAMP(v, shift) \
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{ \
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if(v < 0) \
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v = 0; \
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else if(v > 255) \
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v = 255; \
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else \
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v += (0x80 >> shift) - (v >> shift); \
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}
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#define POS(x, y) (pos_on_axis[(x) + (y)*4])
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#endif |