mirror of
https://github.com/retro100/dosbox-wii.git
synced 2024-06-28 15:16:11 +02:00
122 lines
3.5 KiB
C
122 lines
3.5 KiB
C
/*
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* Copyright (C) 2002-2019 The DOSBox Team
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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 along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#if defined (SCALERLINEAR)
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static void conc4d(SCALERNAME,SBPP,DBPP,L)(const void *s) {
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#else
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static void conc4d(SCALERNAME,SBPP,DBPP,R)(const void *s) {
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#endif
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#ifdef RENDER_NULL_INPUT
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if (!s) {
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render.scale.cacheRead += render.scale.cachePitch;
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#if defined(SCALERLINEAR)
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Bitu skipLines = SCALERHEIGHT;
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#else
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Bitu skipLines = Scaler_Aspect[ render.scale.outLine++ ];
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#endif
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ScalerAddLines( 0, skipLines );
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return;
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}
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#endif
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/* Clear the complete line marker */
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Bitu hadChange = 0;
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const SRCTYPE *src = (SRCTYPE*)s;
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SRCTYPE *cache = (SRCTYPE*)(render.scale.cacheRead);
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render.scale.cacheRead += render.scale.cachePitch;
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PTYPE * line0=(PTYPE *)(render.scale.outWrite);
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#if (SBPP == 9)
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for (Bits x=render.src.width;x>0;) {
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if (*(Bit32u const*)src == *(Bit32u*)cache && !(
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render.pal.modified[src[0]] |
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render.pal.modified[src[1]] |
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render.pal.modified[src[2]] |
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render.pal.modified[src[3]] )) {
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x-=4;
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src+=4;
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cache+=4;
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line0+=4*SCALERWIDTH;
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#else
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for (Bits x=render.src.width;x>0;) {
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if (*(Bitu const*)src == *(Bitu*)cache) {
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x-=(sizeof(Bitu)/sizeof(SRCTYPE));
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src+=(sizeof(Bitu)/sizeof(SRCTYPE));
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cache+=(sizeof(Bitu)/sizeof(SRCTYPE));
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line0+=(sizeof(Bitu)/sizeof(SRCTYPE))*SCALERWIDTH;
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#endif
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} else {
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#if defined(SCALERLINEAR)
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#if (SCALERHEIGHT > 1)
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PTYPE *line1 = WC[0];
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#endif
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#if (SCALERHEIGHT > 2)
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PTYPE *line2 = WC[1];
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#endif
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#else
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#if (SCALERHEIGHT > 1)
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PTYPE *line1 = (PTYPE *)(((Bit8u*)line0)+ render.scale.outPitch);
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#endif
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#if (SCALERHEIGHT > 2)
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PTYPE *line2 = (PTYPE *)(((Bit8u*)line0)+ render.scale.outPitch * 2);
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#endif
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#endif //defined(SCALERLINEAR)
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hadChange = 1;
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for (Bitu i = x > 32 ? 32 : x;i>0;i--,x--) {
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const SRCTYPE S = *src;
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*cache = S;
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src++;cache++;
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const PTYPE P = PMAKE(S);
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SCALERFUNC;
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line0 += SCALERWIDTH;
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#if (SCALERHEIGHT > 1)
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line1 += SCALERWIDTH;
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#endif
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#if (SCALERHEIGHT > 2)
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line2 += SCALERWIDTH;
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#endif
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}
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#if defined(SCALERLINEAR)
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#if (SCALERHEIGHT > 1)
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Bitu copyLen = (Bitu)((Bit8u*)line1 - (Bit8u*)WC[0]);
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BituMove(((Bit8u*)line0)-copyLen+render.scale.outPitch ,WC[0], copyLen );
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#endif
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#if (SCALERHEIGHT > 2)
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BituMove(((Bit8u*)line0)-copyLen+render.scale.outPitch*2,WC[1], copyLen );
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#endif
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#endif //defined(SCALERLINEAR)
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}
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}
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#if defined(SCALERLINEAR)
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Bitu scaleLines = SCALERHEIGHT;
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#else
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Bitu scaleLines = Scaler_Aspect[ render.scale.outLine++ ];
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if ( scaleLines - SCALERHEIGHT && hadChange ) {
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BituMove( render.scale.outWrite + render.scale.outPitch * SCALERHEIGHT,
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render.scale.outWrite + render.scale.outPitch * (SCALERHEIGHT-1),
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render.src.width * SCALERWIDTH * PSIZE);
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}
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#endif
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ScalerAddLines( hadChange, scaleLines );
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}
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#if !defined(SCALERLINEAR)
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#define SCALERLINEAR 1
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#include "render_simple.h"
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#undef SCALERLINEAR
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#endif
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