844 lines
18 KiB
C++
844 lines
18 KiB
C++
/* FCE Ultra - NES/Famicom Emulator
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*
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* Copyright notice for this file:
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* Copyright (C) 2002 Xodnizel
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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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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*
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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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#include <stdlib.h>
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#include "scalebit.h"
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#include "hq2x.h"
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#include "hq3x.h"
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#include "../../types.h"
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static uint32 CBM[3];
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static uint32 *palettetranslate=0;
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static uint16 *specbuf=NULL; // 8bpp -> 16bpp, pre hq2x/hq3x
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static uint32 *specbuf32bpp = NULL; // Buffer to hold output
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// of hq2x/hq3x when converting
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// to 16bpp and 24bpp
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static int backBpp, backshiftr[3], backshiftl[3];
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//static uint32 backmask[3];
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static uint8 *specbuf8bpp = NULL; // For 2xscale, 3xscale.
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static int silt;
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static int Bpp; // BYTES per pixel
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static int highefx;
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#define BLUR_RED 20
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#define BLUR_GREEN 20
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#define BLUR_BLUE 10
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#define FVB_SCANLINES 1
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/* The blur effect is only available for bpp>=16. It could be easily modified
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to look like what happens on the real NES and TV, but lack of decent
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synchronization to the vertical retrace period makes it look rather
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blah.
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*/
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#define FVB_BLUR 2
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static void CalculateShift(uint32 *CBM, int *cshiftr, int *cshiftl)
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{
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int a,x,z,y;
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cshiftl[0]=cshiftl[1]=cshiftl[2]=-1;
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for(a=0;a<3;a++)
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{
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for(x=0,y=-1,z=0;x<32;x++)
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{
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if(CBM[a]&(1<<x))
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{
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if(cshiftl[a]==-1) cshiftl[a]=x;
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z++;
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}
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}
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cshiftr[a]=(8-z);
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}
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}
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int InitBlitToHigh(int b, uint32 rmask, uint32 gmask, uint32 bmask, int efx, int specfilt)
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{
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if(specfilt == 2 || specfilt == 4) // scale2x and scale3x
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{
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int multi;
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if(specfilt == 2) multi = 2 * 2;
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else if(specfilt == 4) multi = 3 * 3;
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specbuf8bpp = (uint8*)malloc(256*240*multi); //mbg merge 7/17/06 added cast
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}
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else if(specfilt == 1 || specfilt == 3) // hq2x and hq3x
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{
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if(b == 1)
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return(0);
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if(b == 2 || b == 3) // 8->16->(hq2x)->32-> 24 or 16. YARGH.
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{
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uint32 tmpCBM[3];
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backBpp = b;
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tmpCBM[0]=rmask;
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tmpCBM[1]=gmask;
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tmpCBM[2]=bmask;
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CalculateShift(tmpCBM, backshiftr, backshiftl);
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if(b == 2)
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{
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// ark
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backshiftr[0] += 16;
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backshiftr[1] += 8;
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backshiftr[2] += 0;
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// Begin iffy code(requires 16bpp and 32bpp to have same RGB order)
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//backmask[0] = (rmask>>backshiftl[0]) << (backshiftr[0]);
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//backmask[1] = (gmask>>backshiftl[1]) << (backshiftr[1]);
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//backmask[2] = (bmask>>backshiftl[2]) << (backshiftr[2]);
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//int x;
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//for(x=0;x<3;x++)
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// backshiftr[x] -= backshiftl[x];
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// End iffy code
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}
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if(specfilt == 1) specbuf32bpp = (uint32*)malloc(256*240*4*sizeof(uint32)); //mbg merge 7/17/06 added cast
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else if(specfilt == 3) specbuf32bpp = (uint32*)malloc(256*240*9*sizeof(uint32)); //mbg merge 7/17/06 added cast
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}
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efx=0;
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b=2;
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rmask=0x1F<<11;
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gmask=0x3F<<5;
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bmask=0x1F;
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if(specfilt == 3)
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hq3x_InitLUTs();
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else
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hq2x_InitLUTs();
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specbuf=(uint16*)malloc(256*240*sizeof(uint16)); //mbg merge 7/17/06 added cast
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}
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silt = specfilt;
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Bpp=b;
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highefx=efx;
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if(Bpp<=1 || Bpp>4)
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return(0);
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if(efx&FVB_BLUR)
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{
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if(Bpp==2)
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palettetranslate=(uint32 *)malloc(65536*4);
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else if(Bpp>=3)
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palettetranslate=(uint32 *)malloc(65536*4);
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}
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else
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{
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if(Bpp==2)
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palettetranslate=(uint32*)malloc(65536*4);
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else if(Bpp>=3)
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palettetranslate=(uint32*)malloc(256*4);
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}
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if(!palettetranslate)
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return(0);
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CBM[0]=rmask;
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CBM[1]=gmask;
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CBM[2]=bmask;
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return(1);
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}
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void KillBlitToHigh(void)
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{
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if(palettetranslate)
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{
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free(palettetranslate);
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palettetranslate=NULL;
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}
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if(specbuf8bpp)
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{
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free(specbuf8bpp);
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specbuf8bpp = NULL;
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}
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if(specbuf32bpp)
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{
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free(specbuf32bpp);
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specbuf32bpp = NULL;
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}
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if(specbuf)
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{
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if(silt == 3)
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hq3x_Kill();
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else
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hq2x_Kill();
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specbuf=NULL;
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}
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}
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void SetPaletteBlitToHigh(uint8 *src)
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{
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int cshiftr[3];
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int cshiftl[3];
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int x,y;
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CalculateShift(CBM, cshiftr, cshiftl);
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switch(Bpp)
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{
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case 2:
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if(highefx&FVB_BLUR)
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{
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for(x=0;x<256;x++)
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{
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uint32 r,g,b;
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for(y=0;y<256;y++)
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{
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r=src[x<<2]*(100-BLUR_RED);
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g=src[(x<<2)+1]*(100-BLUR_GREEN);
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b=src[(x<<2)+2]*(100-BLUR_BLUE);
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r+=src[y<<2]*BLUR_RED;
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g+=src[(y<<2)+1]*BLUR_GREEN;
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b+=src[(y<<2)+2]*BLUR_BLUE;
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r/=100;
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g/=100;
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b/=100;
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if(r>255) r=255; if(g>255) g=255; if(b>255) b=255;
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palettetranslate[x|(y<<8)]=((r>>cshiftr[0])<<cshiftl[0])|
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((g>>cshiftr[1])<<cshiftl[1])|
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((b>>cshiftr[2])<<cshiftl[2]);
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}
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}
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}
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else
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for(x=0;x<65536;x++)
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{
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uint16 lower,upper;
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lower=(src[((x&255)<<2)]>>cshiftr[0])<<cshiftl[0];
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lower|=(src[((x&255)<<2)+1]>>cshiftr[1])<<cshiftl[1];
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lower|=(src[((x&255)<<2)+2]>>cshiftr[2])<<cshiftl[2];
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upper=(src[((x>>8)<<2)]>>cshiftr[0])<<cshiftl[0];
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upper|=(src[((x>>8)<<2)+1]>>cshiftr[1])<<cshiftl[1];
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upper|=(src[((x>>8)<<2)+2]>>cshiftr[2])<<cshiftl[2];
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palettetranslate[x]=lower|(upper<<16);
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}
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break;
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case 3:
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case 4:
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for(x=0;x<256;x++)
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{
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uint32 r,g,b;
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if(!(highefx&FVB_BLUR))
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{
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r=src[x<<2];
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g=src[(x<<2)+1];
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b=src[(x<<2)+2];
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palettetranslate[x]=(r<<cshiftl[0])|(g<<cshiftl[1])|(b<<cshiftl[2]);
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}
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else
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for(y=0;y<256;y++)
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{
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r=src[x<<2]*(100-BLUR_RED);
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g=src[(x<<2)+1]*(100-BLUR_GREEN);
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b=src[(x<<2)+2]*(100-BLUR_BLUE);
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r+=src[y<<2]*BLUR_RED;
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g+=src[(y<<2)+1]*BLUR_GREEN;
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b+=src[(y<<2)+2]*BLUR_BLUE;
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r/=100;
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g/=100;
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b/=100;
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if(r>255) r=255; if(g>255) g=255; if(b>255) b=255;
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palettetranslate[x|(y<<8)]=(r<<cshiftl[0])|(g<<cshiftl[1])|(b<<cshiftl[2]);
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}
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}
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break;
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}
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}
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static void Blit32to24(uint32 *src, uint8 *dest, int xr, int yr, int dpitch)
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{
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int x,y;
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for(y=yr;y;y--)
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{
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for(x=xr;x;x--)
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{
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uint32 tmp = *src;
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*dest = tmp;
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dest++;
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*dest = tmp>>8;
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dest++;
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*dest = tmp>>16;
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dest++;
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src++;
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}
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dest += dpitch / 3 - xr;
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}
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}
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static void Blit32to16(uint32 *src, uint16 *dest, int xr, int yr, int dpitch,
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int shiftr[3], int shiftl[3])
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{
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int x,y;
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//printf("%d\n",shiftl[1]);
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for(y=yr;y;y--)
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{
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for(x=xr;x;x--)
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{
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uint32 tmp = *src;
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uint16 dtmp;
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// Begin iffy code
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//dtmp = (tmp & backmask[2]) >> shiftr[2];
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//dtmp |= (tmp & backmask[1]) >> shiftr[1];
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//dtmp |= (tmp & backmask[0]) >> shiftr[0];
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// End iffy code
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// Begin non-iffy code
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dtmp = ((tmp&0x0000FF) >> shiftr[2]) << shiftl[2];
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dtmp |= ((tmp&0x00FF00) >> shiftr[1]) << shiftl[1];
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dtmp |= ((tmp&0xFF0000) >> shiftr[0]) << shiftl[0];
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// End non-iffy code
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//dtmp = ((tmp&0x0000FF) >> 3);
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//dtmp |= ((tmp&0x00FC00) >>5);
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//dtmp |= ((tmp&0xF80000) >>8);
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*dest = dtmp;
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src++;
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dest++;
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}
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dest += dpitch / 2 - xr;
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}
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}
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void Blit8To8(uint8 *src, uint8 *dest, int xr, int yr, int pitch, int xscale, int yscale, int efx, int special)
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{
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int x,y;
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int pinc;
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if(special==2)
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{
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if(xscale!=2 || yscale!=2) return;
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scale(2,dest,pitch,src,256,1,xr,yr);
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return;
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}
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if(special==4)
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{
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if(xscale!=3 || yscale!=3) return;
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scale(3,dest,pitch,src,256,1,xr,yr);
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return;
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}
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pinc=pitch-(xr*xscale);
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if(xscale!=1 || yscale!=1)
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{
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if(efx&FVB_SCANLINES)
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{
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for(y=yr;y;y--,src+=256-xr)
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{
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int doo=yscale-(yscale>>1);
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do
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{
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for(x=xr;x;x--,src++)
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{
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int too=xscale;
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do
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{
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*(uint8 *)dest=*(uint8 *)src;
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dest++;
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} while(--too);
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}
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src-=xr;
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dest+=pinc;
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} while(--doo);
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//src-=xr*(yscale-(yscale>>1));
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dest+=pitch*(yscale>>1);
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src+=xr;
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}
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}
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else
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{
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for(y=yr;y;y--,src+=256-xr)
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{
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int doo=yscale;
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do
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{
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for(x=xr;x;x--,src++)
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{
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int too=xscale;
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do
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{
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*(uint8 *)dest=*(uint8 *)src;
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dest++;
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} while(--too);
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}
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src-=xr;
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dest+=pinc;
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} while(--doo);
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src+=xr;
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}
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}
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}
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else
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{
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for(y=yr;y;y--,dest+=pinc,src+=256-xr)
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for(x=xr;x;x-=4,dest+=4,src+=4)
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*(uint32 *)dest=*(uint32 *)src;
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}
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}
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/* Todo: Make sure 24bpp code works right with big-endian cpus */
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void Blit8ToHigh(uint8 *src, uint8 *dest, int xr, int yr, int pitch,
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int xscale, int yscale)
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{
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int x,y;
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int pinc;
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uint8 *destbackup = NULL; /* For hq2x */
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int pitchbackup = 0;
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//static int google=0;
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//google^=1;
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if(specbuf8bpp) // 2xscale/3xscale
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{
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int mult;
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int base;
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if(silt == 2) mult = 2;
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else mult = 3;
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Blit8To8(src, specbuf8bpp, xr, yr, 256*mult, xscale, yscale, 0, silt);
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xr *= mult;
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yr *= mult;
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xscale=yscale=1;
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src = specbuf8bpp;
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base = 256*mult;
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switch(Bpp)
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{
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case 4:
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pinc=pitch-(xr<<2);
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for(y=yr;y;y--,src+=base-xr)
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{
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for(x=xr;x;x--)
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{
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*(uint32 *)dest=palettetranslate[(uint32)*src];
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dest+=4;
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src++;
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}
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dest+=pinc;
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}
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break;
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case 3:
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pinc=pitch-(xr+xr+xr);
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for(y=yr;y;y--,src+=base-xr)
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{
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for(x=xr;x;x--)
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{
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uint32 tmp=palettetranslate[(uint32)*src];
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*(uint8 *)dest=tmp;
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*((uint8 *)dest+1)=tmp>>8;
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*((uint8 *)dest+2)=tmp>>16;
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dest+=3;
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src++;
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src++;
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}
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dest+=pinc;
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}
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break;
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case 2:
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pinc=pitch-(xr<<1);
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for(y=yr;y;y--,src+=base-xr)
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{
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for(x=xr>>1;x;x--)
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{
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*(uint32 *)dest=palettetranslate[*(uint16 *)src];
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dest+=4;
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src+=2;
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}
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dest+=pinc;
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}
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break;
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}
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return;
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}
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else if(specbuf)
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{
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destbackup=dest;
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dest=(uint8 *)specbuf;
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pitchbackup=pitch;
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pitch=xr*sizeof(uint16);
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xscale=1;
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yscale=1;
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}
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if(highefx&FVB_BLUR) // DONE
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{
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if(xscale!=1 || yscale!=1 || (highefx&FVB_SCANLINES)) // DONE
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{
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switch(Bpp)
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{
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case 4:
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pinc=pitch-((xr*xscale)<<2);
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for(y=yr;y;y--,src+=256-xr)
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{
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int doo=yscale;
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if(highefx&FVB_SCANLINES)
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doo-=yscale>>1;
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do
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{
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uint8 last=0x00;
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//if(doo == 1 && google) dest+=4;
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for(x=xr;x;x--,src++)
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{
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int too=xscale;
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do
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{
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|
*(uint32 *)dest=palettetranslate[*src|(last<<8)];
|
|
dest+=4;
|
|
} while(--too);
|
|
last=*src;
|
|
}
|
|
//if(doo == 1 && google) dest-=4;
|
|
src-=xr;
|
|
dest+=pinc;
|
|
} while(--doo);
|
|
src+=xr;
|
|
if(highefx&FVB_SCANLINES)
|
|
dest+=pitch*(yscale>>1);
|
|
}
|
|
break;
|
|
case 3:
|
|
pinc=pitch-((xr*xscale)*3);
|
|
for(y=yr;y;y--,src+=256-xr)
|
|
{
|
|
int doo=yscale;
|
|
|
|
if(highefx&FVB_SCANLINES)
|
|
doo-=yscale>>1;
|
|
do
|
|
{
|
|
uint8 last=0x00;
|
|
for(x=xr;x;x--,src++)
|
|
{
|
|
int too=xscale;
|
|
do
|
|
{
|
|
*(uint32 *)dest=palettetranslate[*src|(last<<8)];
|
|
dest+=3;
|
|
} while(--too);
|
|
last=*src;
|
|
}
|
|
src-=xr;
|
|
dest+=pinc;
|
|
} while(--doo);
|
|
src+=xr;
|
|
if(highefx&FVB_SCANLINES)
|
|
dest+=pitch*(yscale>>1);
|
|
}
|
|
break;
|
|
|
|
case 2:
|
|
pinc=pitch-((xr*xscale)<<1);
|
|
|
|
for(y=yr;y;y--,src+=256-xr)
|
|
{
|
|
int doo=yscale;
|
|
|
|
if(highefx& FVB_SCANLINES)
|
|
doo-=yscale>>1;
|
|
do
|
|
{
|
|
uint8 last=0x00;
|
|
for(x=xr;x;x--,src++)
|
|
{
|
|
int too=xscale;
|
|
do
|
|
{
|
|
*(uint16 *)dest=palettetranslate[*src|(last<<8)];
|
|
dest+=2;
|
|
} while(--too);
|
|
last=*src;
|
|
}
|
|
src-=xr;
|
|
dest+=pinc;
|
|
} while(--doo);
|
|
src+=xr;
|
|
if(highefx&FVB_SCANLINES)
|
|
dest+=pitch*(yscale>>1);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
else // No scaling, no scanlines, just blurring. - DONE
|
|
switch(Bpp)
|
|
{
|
|
case 4:
|
|
pinc=pitch-(xr<<2);
|
|
for(y=yr;y;y--,src+=256-xr)
|
|
{
|
|
uint8 last=0x00;
|
|
for(x=xr;x;x--)
|
|
{
|
|
*(uint32 *)dest=palettetranslate[*src|(last<<8)];
|
|
last=*src;
|
|
dest+=4;
|
|
src++;
|
|
}
|
|
dest+=pinc;
|
|
}
|
|
break;
|
|
case 3:
|
|
pinc=pitch-(xr+xr+xr);
|
|
for(y=yr;y;y--,src+=256-xr)
|
|
{
|
|
uint8 last=0x00;
|
|
for(x=xr;x;x--)
|
|
{
|
|
uint32 tmp=palettetranslate[*src|(last<<8)];
|
|
last=*src;
|
|
*(uint8 *)dest=tmp;
|
|
*((uint8 *)dest+1)=tmp>>8;
|
|
*((uint8 *)dest+2)=tmp>>16;
|
|
dest+=3;
|
|
src++;
|
|
}
|
|
dest+=pinc;
|
|
}
|
|
break;
|
|
case 2:
|
|
pinc=pitch-(xr<<1);
|
|
for(y=yr;y;y--,src+=256-xr)
|
|
{
|
|
uint8 last=0x00;
|
|
for(x=xr;x;x--)
|
|
{
|
|
*(uint16 *)dest=palettetranslate[*src|(last<<8)];
|
|
last=*src;
|
|
dest+=2;
|
|
src++;
|
|
}
|
|
dest+=pinc;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
else // No blur effects.
|
|
{
|
|
if(xscale!=1 || yscale!=1 || (highefx&FVB_SCANLINES))
|
|
{
|
|
switch(Bpp)
|
|
{
|
|
case 4:
|
|
pinc=pitch-((xr*xscale)<<2);
|
|
for(y=yr;y;y--,src+=256-xr)
|
|
{
|
|
int doo=yscale;
|
|
|
|
if(highefx& FVB_SCANLINES)
|
|
doo-=yscale>>1;
|
|
do
|
|
{
|
|
for(x=xr;x;x--,src++)
|
|
{
|
|
int too=xscale;
|
|
do
|
|
{
|
|
*(uint32 *)dest=palettetranslate[*src];
|
|
dest+=4;
|
|
} while(--too);
|
|
}
|
|
src-=xr;
|
|
dest+=pinc;
|
|
} while(--doo);
|
|
src+=xr;
|
|
if(highefx&FVB_SCANLINES)
|
|
dest+=pitch*(yscale>>1);
|
|
}
|
|
break;
|
|
|
|
case 3:
|
|
pinc=pitch-((xr*xscale)*3);
|
|
for(y=yr;y;y--,src+=256-xr)
|
|
{
|
|
int doo=yscale;
|
|
|
|
if(highefx& FVB_SCANLINES)
|
|
doo-=yscale>>1;
|
|
do
|
|
{
|
|
for(x=xr;x;x--,src++)
|
|
{
|
|
int too=xscale;
|
|
do
|
|
{
|
|
uint32 tmp=palettetranslate[(uint32)*src];
|
|
*(uint8 *)dest=tmp;
|
|
*((uint8 *)dest+1)=tmp>>8;
|
|
*((uint8 *)dest+2)=tmp>>16;
|
|
dest+=3;
|
|
|
|
//*(uint32 *)dest=palettetranslate[*src];
|
|
//dest+=4;
|
|
} while(--too);
|
|
}
|
|
src-=xr;
|
|
dest+=pinc;
|
|
} while(--doo);
|
|
src+=xr;
|
|
if(highefx&FVB_SCANLINES)
|
|
dest+=pitch*(yscale>>1);
|
|
}
|
|
break;
|
|
|
|
case 2:
|
|
pinc=pitch-((xr*xscale)<<1);
|
|
|
|
for(y=yr;y;y--,src+=256-xr)
|
|
{
|
|
int doo=yscale;
|
|
|
|
if(highefx& FVB_SCANLINES)
|
|
doo-=yscale>>1;
|
|
do
|
|
{
|
|
for(x=xr;x;x--,src++)
|
|
{
|
|
int too=xscale;
|
|
do
|
|
{
|
|
*(uint16 *)dest=palettetranslate[*src];
|
|
dest+=2;
|
|
} while(--too);
|
|
}
|
|
src-=xr;
|
|
dest+=pinc;
|
|
} while(--doo);
|
|
src+=xr;
|
|
if(highefx&FVB_SCANLINES)
|
|
dest+=pitch*(yscale>>1);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
switch(Bpp)
|
|
{
|
|
case 4:
|
|
pinc=pitch-(xr<<2);
|
|
for(y=yr;y;y--,src+=256-xr)
|
|
{
|
|
for(x=xr;x;x--)
|
|
{
|
|
*(uint32 *)dest=palettetranslate[(uint32)*src];
|
|
dest+=4;
|
|
src++;
|
|
}
|
|
dest+=pinc;
|
|
}
|
|
break;
|
|
case 3:
|
|
pinc=pitch-(xr+xr+xr);
|
|
for(y=yr;y;y--,src+=256-xr)
|
|
{
|
|
for(x=xr;x;x--)
|
|
{
|
|
uint32 tmp=palettetranslate[(uint32)*src];
|
|
*(uint8 *)dest=tmp;
|
|
*((uint8 *)dest+1)=tmp>>8;
|
|
*((uint8 *)dest+2)=tmp>>16;
|
|
dest+=3;
|
|
src++;
|
|
}
|
|
dest+=pinc;
|
|
}
|
|
break;
|
|
case 2:
|
|
pinc=pitch-(xr<<1);
|
|
|
|
for(y=yr;y;y--,src+=256-xr)
|
|
{
|
|
for(x=xr>>1;x;x--)
|
|
{
|
|
*(uint32 *)dest=palettetranslate[*(uint16 *)src];
|
|
dest+=4;
|
|
src+=2;
|
|
}
|
|
dest+=pinc;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
if(specbuf)
|
|
{
|
|
if(specbuf32bpp)
|
|
{
|
|
int mult = (silt == 3)?3:2;
|
|
|
|
if(silt == 3)
|
|
hq3x_32((uint8 *)specbuf,(uint8*)specbuf32bpp,xr,yr,xr*3*sizeof(uint32));
|
|
else
|
|
hq2x_32((uint8 *)specbuf,(uint8*)specbuf32bpp,xr,yr,xr*2*sizeof(uint32));
|
|
|
|
if(backBpp == 2)
|
|
Blit32to16(specbuf32bpp, (uint16*)destbackup, xr*mult, yr*mult, pitchbackup, backshiftr,backshiftl);
|
|
else // == 3
|
|
Blit32to24(specbuf32bpp, (uint8*)destbackup, xr*mult, yr*mult, pitchbackup);
|
|
}
|
|
else
|
|
{
|
|
if(silt == 3)
|
|
hq3x_32((uint8 *)specbuf,destbackup,xr,yr,pitchbackup);
|
|
else
|
|
hq2x_32((uint8 *)specbuf,destbackup,xr,yr,pitchbackup);
|
|
}
|
|
}
|
|
}
|