703 lines
19 KiB
C++
703 lines
19 KiB
C++
/*
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Copyright (C) 2003 Rice1964
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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/* Copyright (C) 2007 Hiroshi Morii <koolsmoky(at)users.sourceforge.net>
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* Modified for the Texture Filtering library
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*/
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#include <string.h>
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#include "TextureFilters.h"
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/************************************************************************/
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/* 2X filters */
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/************************************************************************/
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#define DWORD_MAKE(r, g, b, a) ((uint32) (((a) << 24) | ((r) << 16) | ((g) << 8) | (b)))
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#define WORD_MAKE(r, g, b, a) ((uint16) (((a) << 12) | ((r) << 8) | ((g) << 4) | (b)))
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// Basic 2x R8G8B8A8 filter with interpolation
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void Texture2x_32(uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr, uint32 dstPitch, int width, int height)
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{
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uint32 *pDst1, *pDst2;
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uint32 *pSrc, *pSrc2;
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uint32 nWidth = width;
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uint32 nHeight = height;
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uint32 b1;
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uint32 g1;
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uint32 r1;
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uint32 a1;
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uint32 b2;
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uint32 g2;
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uint32 r2;
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uint32 a2;
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uint32 b3;
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uint32 g3;
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uint32 r3;
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uint32 a3;
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uint32 b4;
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uint32 g4;
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uint32 r4;
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uint32 a4;
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uint32 xSrc;
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uint32 ySrc;
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for (ySrc = 0; ySrc < nHeight; ySrc++)
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{
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pSrc = (uint32*)(((uint8*)srcPtr)+ySrc*srcPitch);
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pSrc2 = (uint32*)(((uint8*)srcPtr)+(ySrc+1)*srcPitch);
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pDst1 = (uint32*)(((uint8*)dstPtr)+(ySrc*2)*dstPitch);
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pDst2 = (uint32*)(((uint8*)dstPtr)+(ySrc*2+1)*dstPitch);
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for (xSrc = 0; xSrc < nWidth; xSrc++)
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{
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b1 = (pSrc[xSrc]>>0)&0xFF;
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g1 = (pSrc[xSrc]>>8)&0xFF;
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r1 = (pSrc[xSrc]>>16)&0xFF;
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a1 = (pSrc[xSrc]>>24)&0xFF;
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// Pixel 1
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pDst1[xSrc*2] = pSrc[xSrc];
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// Pixel 2
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if( xSrc<nWidth-1 )
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{
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b2 = (pSrc[xSrc+1]>>0)&0xFF;
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g2 = (pSrc[xSrc+1]>>8)&0xFF;
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r2 = (pSrc[xSrc+1]>>16)&0xFF;
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a2 = (pSrc[xSrc+1]>>24)&0xFF;
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pDst1[xSrc*2+1] = DWORD_MAKE((r1+r2)/2, (g1+g2)/2, (b1+b2)/2, (a1+a2)/2);
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}
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else
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pDst1[xSrc*2+1] = pSrc[xSrc];
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// Pixel 3
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if( ySrc<nHeight-1 )
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{
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b3 = (pSrc2[xSrc]>>0)&0xFF;
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g3 = (pSrc2[xSrc]>>8)&0xFF;
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r3 = (pSrc2[xSrc]>>16)&0xFF;
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a3 = (pSrc2[xSrc]>>24)&0xFF;
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pDst2[xSrc*2] = DWORD_MAKE((r1+r3)/2, (g1+g3)/2, (b1+b3)/2, (a1+a3)/2);
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if( xSrc<nWidth-1 )
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{
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b4 = (pSrc2[xSrc+1]>>0)&0xFF;
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g4 = (pSrc2[xSrc+1]>>8)&0xFF;
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r4 = (pSrc2[xSrc+1]>>16)&0xFF;
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a4 = (pSrc2[xSrc+1]>>24)&0xFF;
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// Pixel 4
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pDst2[xSrc*2+1] = DWORD_MAKE((r1+r2+r3+r4)/4, (g1+g2+g3+g4)/4, (b1+b2+b3+b4)/4, (a1+a2+a3+a4)/4);
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}
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else
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{
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// Pixel 4
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pDst2[xSrc*2+1] = DWORD_MAKE((r1+r3)/2, (g1+g3)/2, (b1+b3)/2, (a1+a3)/2);
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}
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}
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else
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{
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// Pixel 3
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pDst2[xSrc*2] = pSrc[xSrc];
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// Pixel 4
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if( xSrc<nWidth-1 )
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{
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pDst2[xSrc*2+1] = DWORD_MAKE((r1+r2)/2, (g1+g2)/2, (b1+b2)/2, (a1+a2)/2);
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}
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else
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{
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pDst2[xSrc*2+1] = pSrc[xSrc];
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}
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}
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}
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}
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}
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#if !_16BPP_HACK
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// Basic 2x R4G4B4A4 filter with interpolation
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void Texture2x_16(uint8 *srcPtr, uint32 srcPitch, uint8 *dstPtr, uint32 dstPitch, int width, int height)
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{
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uint16 *pDst1, *pDst2;
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uint16 *pSrc, *pSrc2;
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uint32 nWidth = width;
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uint32 nHeight = height;
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uint16 b1;
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uint16 g1;
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uint16 r1;
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uint16 a1;
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uint16 b2;
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uint16 g2;
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uint16 r2;
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uint16 a2;
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uint16 b3;
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uint16 g3;
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uint16 r3;
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uint16 a3;
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uint16 b4;
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uint16 g4;
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uint16 r4;
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uint16 a4;
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uint16 xSrc;
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uint16 ySrc;
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for (ySrc = 0; ySrc < nHeight; ySrc++)
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{
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pSrc = (uint16*)(((uint8*)srcPtr)+ySrc*srcPitch);
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pSrc2 = (uint16*)(((uint8*)srcPtr)+(ySrc+1)*srcPitch);
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pDst1 = (uint16*)(((uint8*)dstPtr)+(ySrc*2)*dstPitch);
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pDst2 = (uint16*)(((uint8*)dstPtr)+(ySrc*2+1)*dstPitch);
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for (xSrc = 0; xSrc < nWidth; xSrc++)
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{
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b1 = (pSrc[xSrc]>> 0)&0xF;
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g1 = (pSrc[xSrc]>> 4)&0xF;
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r1 = (pSrc[xSrc]>> 8)&0xF;
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a1 = (pSrc[xSrc]>>12)&0xF;
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if( xSrc<nWidth-1 )
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{
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b2 = (pSrc[xSrc+1]>> 0)&0xF;
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g2 = (pSrc[xSrc+1]>> 4)&0xF;
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r2 = (pSrc[xSrc+1]>> 8)&0xF;
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a2 = (pSrc[xSrc+1]>>12)&0xF;
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}
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if( ySrc<nHeight-1 )
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{
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b3 = (pSrc2[xSrc]>> 0)&0xF;
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g3 = (pSrc2[xSrc]>> 4)&0xF;
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r3 = (pSrc2[xSrc]>> 8)&0xF;
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a3 = (pSrc2[xSrc]>>12)&0xF;
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if( xSrc<nWidth-1 )
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{
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b4 = (pSrc2[xSrc+1]>> 0)&0xF;
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g4 = (pSrc2[xSrc+1]>> 4)&0xF;
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r4 = (pSrc2[xSrc+1]>> 8)&0xF;
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a4 = (pSrc2[xSrc+1]>>12)&0xF;
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}
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}
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// Pixel 1
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pDst1[xSrc*2] = pSrc[xSrc];
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// Pixel 2
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if( xSrc<nWidth-1 )
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{
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pDst1[xSrc*2+1] = WORD_MAKE((r1+r2)/2, (g1+g2)/2, (b1+b2)/2, (a1+a2)/2);
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}
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else
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pDst1[xSrc*2+1] = pSrc[xSrc];
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// Pixel 3
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if( ySrc<nHeight-1 )
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{
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pDst2[xSrc*2] = WORD_MAKE((r1+r3)/2, (g1+g3)/2, (b1+b3)/2, (a1+a3)/2);
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}
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else
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pDst2[xSrc*2] = pSrc[xSrc];
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// Pixel 4
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if( xSrc<nWidth-1 )
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{
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if( ySrc<nHeight-1 )
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{
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pDst2[xSrc*2+1] = WORD_MAKE((r1+r2+r3+r4)/4, (g1+g2+g3+g4)/4, (b1+b2+b3+b4)/4, (a1+a2+a3+a4)/4);
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}
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else
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{
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pDst2[xSrc*2+1] = WORD_MAKE((r1+r2)/2, (g1+g2)/2, (b1+b2)/2, (a1+a2)/2);
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}
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}
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else
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{
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if( ySrc<nHeight-1 )
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{
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pDst2[xSrc*2+1] = WORD_MAKE((r1+r3)/2, (g1+g3)/2, (b1+b3)/2, (a1+a3)/2);
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}
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else
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pDst2[xSrc*2+1] = pSrc[xSrc];
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}
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}
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}
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}
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#endif /* !_16BPP_HACK */
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/*
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* Sharp filters
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* Hiroshi Morii <koolsmoky@users.sourceforge.net>
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*/
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void SharpFilter_8888(uint32 *src, uint32 srcwidth, uint32 srcheight, uint32 *dest, uint32 filter)
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{
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// NOTE: for now we get away with copying the boundaries
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// filter the boundaries if we face problems
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uint32 mul1, mul2, mul3, shift4;
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uint32 x,y,z;
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uint32 *_src1, *_src2, *_src3, *_dest;
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uint32 val[4];
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uint32 t1,t2,t3,t4,t5,t6,t7,t8,t9;
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switch( filter )
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{
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case SHARP_FILTER_2:
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mul1=1;
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mul2=8;
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mul3=12;
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shift4=2;
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break;
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case SHARP_FILTER_1:
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default:
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mul1=1;
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mul2=8;
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mul3=16;
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shift4=3;
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break;
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}
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// setup rows
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_src1 = src;
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_src2 = _src1 + srcwidth;
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_src3 = _src2 + srcwidth;
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_dest = dest;
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// copy the first row
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memcpy(_dest, _src1, (srcwidth << 2));
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_dest += srcwidth;
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// filter 2nd row to 1 row before the last
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for (y = 1; y < srcheight-1; y++) {
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// copy the first pixel
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_dest[0] = *_src2;
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// filter 2nd pixel to 1 pixel before last
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for (x = 1; x < srcwidth-1; x++) {
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for (z=0; z<4; z++) {
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t1 = *((uint8*)(_src1+x-1)+z);
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t2 = *((uint8*)(_src1+x )+z);
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t3 = *((uint8*)(_src1+x+1)+z);
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t4 = *((uint8*)(_src2+x-1)+z);
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t5 = *((uint8*)(_src2+x )+z);
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t6 = *((uint8*)(_src2+x+1)+z);
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t7 = *((uint8*)(_src3+x-1)+z);
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t8 = *((uint8*)(_src3+x )+z);
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t9 = *((uint8*)(_src3+x+1)+z);
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if( (t5*mul2) > (t1+t3+t7+t9+t2+t4+t6+t8)*mul1 ) {
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val[z]= ((t5*mul3) - (t1+t3+t7+t9+t2+t4+t6+t8)*mul1)>>shift4;
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if (val[z] > 0xFF) val[z] = 0xFF;
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} else {
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val[z] = t5;
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}
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}
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_dest[x] = val[0]|(val[1]<<8)|(val[2]<<16)|(val[3]<<24);
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}
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// copy the ending pixel
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_dest[srcwidth-1] = *(_src3 - 1);
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// next row
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_src1 += srcwidth;
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_src2 += srcwidth;
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_src3 += srcwidth;
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_dest += srcwidth;
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}
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// copy the last row
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memcpy(_dest, _src2, (srcwidth << 2));
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}
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#if !_16BPP_HACK
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void SharpFilter_4444(uint16 *src, uint32 srcwidth, uint32 srcheight, uint16 *dest, uint32 filter)
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{
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// NOTE: for now we get away with copying the boundaries
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// filter the boundaries if we face problems
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uint16 mul1, mul2, mul3, shift4;
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uint32 x,y,z;
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uint16 *_src1, *_src2, *_src3, *_dest;
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uint16 val[4];
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uint16 t1,t2,t3,t4,t5,t6,t7,t8,t9;
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switch( filter ) {
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case SHARP_FILTER_2:
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mul1=1;
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mul2=8;
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mul3=12;
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shift4=2;
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break;
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case SHARP_FILTER_1:
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default:
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mul1=1;
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mul2=8;
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mul3=16;
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shift4=3;
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break;
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}
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// setup rows
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_src1 = src;
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_src2 = _src1 + srcwidth;
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_src3 = _src2 + srcwidth;
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_dest = dest;
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// copy the first row
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memcpy(_dest, _src1, (srcwidth << 1));
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_dest += srcwidth;
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// filter 2nd row to 1 row before the last
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for( y = 1; y < srcheight - 1; y++) {
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// copy the first pixel
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_dest[0] = *_src2;
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// filter 2nd pixel to 1 pixel before last
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for( x = 1; x < srcwidth - 1; x++) {
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for( z = 0; z < 4; z++ ) {
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/* Hiroshi Morii <koolsmoky@users.sourceforge.net>
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* Read the entire 16bit pixel and then extract the A,R,G,B components.
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*/
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uint32 shift = z << 2;
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t1 = ((*((uint16*)(_src1+x-1))) >> shift) & 0xF;
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t2 = ((*((uint16*)(_src1+x ))) >> shift) & 0xF;
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t3 = ((*((uint16*)(_src1+x+1))) >> shift) & 0xF;
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t4 = ((*((uint16*)(_src2+x-1))) >> shift) & 0xF;
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t5 = ((*((uint16*)(_src2+x ))) >> shift) & 0xF;
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t6 = ((*((uint16*)(_src2+x+1))) >> shift) & 0xF;
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t7 = ((*((uint16*)(_src3+x-1))) >> shift) & 0xF;
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t8 = ((*((uint16*)(_src3+x ))) >> shift) & 0xF;
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t9 = ((*((uint16*)(_src3+x+1))) >> shift) & 0xF;
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if( (t5*mul2) > (t1+t3+t7+t9+t2+t4+t6+t8)*mul1 ) {
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val[z] = ((t5*mul3) - (t1+t3+t7+t9+t2+t4+t6+t8)*mul1)>>shift4;
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if (val[z] > 0xF) val[z] = 0xF;
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} else {
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val[z] = t5;
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}
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}
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_dest[x] = val[0]|(val[1]<<4)|(val[2]<<8)|(val[3]<<12);
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}
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// copy the ending pixel
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_dest[srcwidth-1] = *(_src3 - 1);
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// next row
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_src1 += srcwidth;
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_src2 += srcwidth;
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_src3 += srcwidth;
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_dest += srcwidth;
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}
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// copy the last row
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memcpy(_dest, _src2, (srcwidth << 1));
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}
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#endif /* !_16BPP_HACK */
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/*
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* Smooth filters
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* Hiroshi Morii <koolsmoky@users.sourceforge.net>
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*/
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void SmoothFilter_8888(uint32 *src, uint32 srcwidth, uint32 srcheight, uint32 *dest, uint32 filter)
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{
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// NOTE: for now we get away with copying the boundaries
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// filter the boundaries if we face problems
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uint32 mul1, mul2, mul3, shift4;
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uint32 x,y,z;
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uint32 *_src1, *_src2, *_src3, *_dest;
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uint32 val[4];
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uint32 t1,t2,t3,t4,t5,t6,t7,t8,t9;
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switch( filter ) {
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case SMOOTH_FILTER_4:
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mul1=1;
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mul2=2;
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mul3=4;
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shift4=4;
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break;
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case SMOOTH_FILTER_3:
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mul1=1;
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mul2=1;
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mul3=8;
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shift4=4;
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break;
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case SMOOTH_FILTER_2:
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mul1=1;
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mul2=1;
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mul3=2;
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shift4=2;
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break;
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case SMOOTH_FILTER_1:
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default:
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mul1=1;
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mul2=1;
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mul3=6;
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shift4=3;
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break;
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}
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switch (filter) {
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case SMOOTH_FILTER_3:
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case SMOOTH_FILTER_4:
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// setup rows
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_src1 = src;
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_src2 = _src1 + srcwidth;
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_src3 = _src2 + srcwidth;
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_dest = dest;
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// copy the first row
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memcpy(_dest, _src1, (srcwidth << 2));
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_dest += srcwidth;
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// filter 2nd row to 1 row before the last
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for (y = 1; y < srcheight - 1; y++){
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// copy the first pixel
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_dest[0] = _src2[0];
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// filter 2nd pixel to 1 pixel before last
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for (x = 1; x < srcwidth - 1; x++) {
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for (z = 0; z < 4; z++ ) {
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t1 = *((uint8*)(_src1+x-1)+z);
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t2 = *((uint8*)(_src1+x )+z);
|
|
t3 = *((uint8*)(_src1+x+1)+z);
|
|
t4 = *((uint8*)(_src2+x-1)+z);
|
|
t5 = *((uint8*)(_src2+x )+z);
|
|
t6 = *((uint8*)(_src2+x+1)+z);
|
|
t7 = *((uint8*)(_src3+x-1)+z);
|
|
t8 = *((uint8*)(_src3+x )+z);
|
|
t9 = *((uint8*)(_src3+x+1)+z);
|
|
/* the component value must not overflow 0xFF */
|
|
val[z] = ((t1+t3+t7+t9)*mul1+((t2+t4+t6+t8)*mul2)+(t5*mul3))>>shift4;
|
|
if (val[z] > 0xFF) val[z] = 0xFF;
|
|
}
|
|
_dest[x] = val[0]|(val[1]<<8)|(val[2]<<16)|(val[3]<<24);
|
|
}
|
|
// copy the ending pixel
|
|
_dest[srcwidth-1] = *(_src3 - 1);
|
|
// next row
|
|
_src1 += srcwidth;
|
|
_src2 += srcwidth;
|
|
_src3 += srcwidth;
|
|
_dest += srcwidth;
|
|
}
|
|
// copy the last row
|
|
memcpy(_dest, _src2, (srcwidth << 2));
|
|
break;
|
|
case SMOOTH_FILTER_1:
|
|
case SMOOTH_FILTER_2:
|
|
default:
|
|
// setup rows
|
|
_src1 = src;
|
|
_src2 = _src1 + srcwidth;
|
|
_src3 = _src2 + srcwidth;
|
|
_dest = dest;
|
|
// copy the first row
|
|
memcpy(_dest, _src1, (srcwidth << 2));
|
|
_dest += srcwidth;
|
|
// filter 2nd row to 1 row before the last
|
|
for (y = 1; y < srcheight - 1; y++) {
|
|
// filter 1st pixel to the last
|
|
if (y & 1) {
|
|
for( x = 0; x < srcwidth; x++) {
|
|
for( z = 0; z < 4; z++ ) {
|
|
t2 = *((uint8*)(_src1+x )+z);
|
|
t5 = *((uint8*)(_src2+x )+z);
|
|
t8 = *((uint8*)(_src3+x )+z);
|
|
/* the component value must not overflow 0xFF */
|
|
val[z] = ((t2+t8)*mul2+(t5*mul3))>>shift4;
|
|
if (val[z] > 0xFF) val[z] = 0xFF;
|
|
}
|
|
_dest[x] = val[0]|(val[1]<<8)|(val[2]<<16)|(val[3]<<24);
|
|
}
|
|
} else {
|
|
memcpy(_dest, _src2, (srcwidth << 2));
|
|
}
|
|
// next row
|
|
_src1 += srcwidth;
|
|
_src2 += srcwidth;
|
|
_src3 += srcwidth;
|
|
_dest += srcwidth;
|
|
}
|
|
// copy the last row
|
|
memcpy(_dest, _src2, (srcwidth << 2));
|
|
break;
|
|
}
|
|
}
|
|
|
|
#if !_16BPP_HACK
|
|
void SmoothFilter_4444(uint16 *src, uint32 srcwidth, uint32 srcheight, uint16 *dest, uint32 filter)
|
|
{
|
|
// NOTE: for now we get away with copying the boundaries
|
|
// filter the boundaries if we face problems
|
|
|
|
uint16 mul1, mul2, mul3, shift4;
|
|
|
|
uint32 x,y,z;
|
|
uint16 *_src1, *_src2, *_src3, *_dest;
|
|
uint16 val[4];
|
|
uint16 t1,t2,t3,t4,t5,t6,t7,t8,t9;
|
|
|
|
switch( filter ) {
|
|
case SMOOTH_FILTER_4:
|
|
mul1=1;
|
|
mul2=2;
|
|
mul3=4;
|
|
shift4=4;
|
|
break;
|
|
case SMOOTH_FILTER_3:
|
|
mul1=1;
|
|
mul2=1;
|
|
mul3=8;
|
|
shift4=4;
|
|
break;
|
|
case SMOOTH_FILTER_2:
|
|
mul1=1;
|
|
mul2=1;
|
|
mul3=2;
|
|
shift4=2;
|
|
break;
|
|
case SMOOTH_FILTER_1:
|
|
default:
|
|
mul1=1;
|
|
mul2=1;
|
|
mul3=6;
|
|
shift4=3;
|
|
break;
|
|
}
|
|
|
|
switch (filter) {
|
|
case SMOOTH_FILTER_3:
|
|
case SMOOTH_FILTER_4:
|
|
// setup rows
|
|
_src1 = src;
|
|
_src2 = _src1 + srcwidth;
|
|
_src3 = _src2 + srcwidth;
|
|
_dest = dest;
|
|
// copy the first row
|
|
memcpy(_dest, _src1, (srcwidth << 1));
|
|
_dest += srcwidth;
|
|
// filter 2nd row to 1 row before the last
|
|
for (y = 1; y < srcheight - 1; y++) {
|
|
// copy the first pixel
|
|
_dest[0] = *_src2;
|
|
// filter 2nd pixel to 1 pixel before last
|
|
for (x = 1; x < srcwidth - 1; x++) {
|
|
for (z = 0; z < 4; z++ ) {
|
|
/* Read the entire 16bit pixel and then extract the A,R,G,B components. */
|
|
uint32 shift = z << 2;
|
|
t1 = ((*(uint16*)(_src1+x-1)) >> shift) & 0xF;
|
|
t2 = ((*(uint16*)(_src1+x )) >> shift) & 0xF;
|
|
t3 = ((*(uint16*)(_src1+x+1)) >> shift) & 0xF;
|
|
t4 = ((*(uint16*)(_src2+x-1)) >> shift) & 0xF;
|
|
t5 = ((*(uint16*)(_src2+x )) >> shift) & 0xF;
|
|
t6 = ((*(uint16*)(_src2+x+1)) >> shift) & 0xF;
|
|
t7 = ((*(uint16*)(_src3+x-1)) >> shift) & 0xF;
|
|
t8 = ((*(uint16*)(_src3+x )) >> shift) & 0xF;
|
|
t9 = ((*(uint16*)(_src3+x+1)) >> shift) & 0xF;
|
|
/* the component value must not overflow 0xF */
|
|
val[z] = ((t1+t3+t7+t9)*mul1+((t2+t4+t6+t8)*mul2)+(t5*mul3))>>shift4;
|
|
if (val[z] > 0xF) val[z] = 0xF;
|
|
}
|
|
_dest[x] = val[0]|(val[1]<<4)|(val[2]<<8)|(val[3]<<12);
|
|
}
|
|
// copy the ending pixel
|
|
_dest[srcwidth-1] = *(_src3 - 1);
|
|
// next row
|
|
_src1 += srcwidth;
|
|
_src2 += srcwidth;
|
|
_src3 += srcwidth;
|
|
_dest += srcwidth;
|
|
}
|
|
// copy the last row
|
|
memcpy(_dest, _src2, (srcwidth << 1));
|
|
break;
|
|
case SMOOTH_FILTER_1:
|
|
case SMOOTH_FILTER_2:
|
|
default:
|
|
// setup rows
|
|
_src1 = src;
|
|
_src2 = _src1 + srcwidth;
|
|
_src3 = _src2 + srcwidth;
|
|
_dest = dest;
|
|
// copy the first row
|
|
memcpy(_dest, _src1, (srcwidth << 1));
|
|
_dest += srcwidth;
|
|
// filter 2nd row to 1 row before the last
|
|
for( y = 1; y < srcheight - 1; y++) {
|
|
if (y & 1) {
|
|
for( x = 0; x < srcwidth; x++) {
|
|
for( z = 0; z < 4; z++ ) {
|
|
/* Read the entire 16bit pixel and then extract the A,R,G,B components. */
|
|
uint32 shift = z << 2;
|
|
t2 = ((*(uint16*)(_src1+x)) >> shift) & 0xF;
|
|
t5 = ((*(uint16*)(_src2+x)) >> shift) & 0xF;
|
|
t8 = ((*(uint16*)(_src3+x)) >> shift) & 0xF;
|
|
/* the component value must not overflow 0xF */
|
|
val[z] = ((t2+t8)*mul2+(t5*mul3))>>shift4;
|
|
if (val[z] > 0xF) val[z] = 0xF;
|
|
}
|
|
_dest[x] = val[0]|(val[1]<<4)|(val[2]<<8)|(val[3]<<12);
|
|
}
|
|
} else {
|
|
memcpy(_dest, _src2, (srcwidth << 1));
|
|
}
|
|
// next row
|
|
_src1 += srcwidth;
|
|
_src2 += srcwidth;
|
|
_src3 += srcwidth;
|
|
_dest += srcwidth;
|
|
}
|
|
// copy the last row
|
|
memcpy(_dest, _src2, (srcwidth << 1));
|
|
break;
|
|
}
|
|
}
|
|
#endif /* !_16BPP_HACK */
|
|
|
|
void filter_8888(uint32 *src, uint32 srcwidth, uint32 srcheight, uint32 *dest, uint32 filter) {
|
|
switch (filter & ENHANCEMENT_MASK) {
|
|
case HQ4X_ENHANCEMENT:
|
|
hq4x_8888((uint8*)src, (uint8*)dest, srcwidth, srcheight, srcwidth, (srcwidth << 4));
|
|
return;
|
|
case HQ2X_ENHANCEMENT:
|
|
hq2x_32((uint8*)src, (srcwidth << 2), (uint8*)dest, (srcwidth << 3), srcwidth, srcheight);
|
|
return;
|
|
case HQ2XS_ENHANCEMENT:
|
|
hq2xS_32((uint8*)src, (srcwidth << 2), (uint8*)dest, (srcwidth << 3), srcwidth, srcheight);
|
|
return;
|
|
case LQ2X_ENHANCEMENT:
|
|
lq2x_32((uint8*)src, (srcwidth << 2), (uint8*)dest, (srcwidth << 3), srcwidth, srcheight);
|
|
return;
|
|
case LQ2XS_ENHANCEMENT:
|
|
lq2xS_32((uint8*)src, (srcwidth << 2), (uint8*)dest, (srcwidth << 3), srcwidth, srcheight);
|
|
return;
|
|
case X2SAI_ENHANCEMENT:
|
|
Super2xSaI_8888((uint32*)src, (uint32*)dest, srcwidth, srcheight, srcwidth);
|
|
return;
|
|
case X2_ENHANCEMENT:
|
|
Texture2x_32((uint8*)src, (srcwidth << 2), (uint8*)dest, (srcwidth << 3), srcwidth, srcheight);
|
|
return;
|
|
}
|
|
|
|
switch (filter & (SMOOTH_FILTER_MASK|SHARP_FILTER_MASK)) {
|
|
case SMOOTH_FILTER_1:
|
|
case SMOOTH_FILTER_2:
|
|
case SMOOTH_FILTER_3:
|
|
case SMOOTH_FILTER_4:
|
|
SmoothFilter_8888((uint32*)src, srcwidth, srcheight, (uint32*)dest, (filter & SMOOTH_FILTER_MASK));
|
|
return;
|
|
case SHARP_FILTER_1:
|
|
case SHARP_FILTER_2:
|
|
SharpFilter_8888((uint32*)src, srcwidth, srcheight, (uint32*)dest, (filter & SHARP_FILTER_MASK));
|
|
return;
|
|
}
|
|
}
|