mirror of
https://github.com/retro100/dosbox-wii.git
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140 lines
4.1 KiB
C
140 lines
4.1 KiB
C
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/*
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* Copyright (C) 2002-2007 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
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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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#ifndef _RENDER_SCALERS_H
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#define _RENDER_SCALERS_H
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//#include "render.h"
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#include "video.h"
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#if RENDER_USE_ADVANCED_SCALERS>0
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#define SCALER_MAXWIDTH 1280
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#define SCALER_MAXHEIGHT 1024
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#else
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// reduced to save some memory
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#define SCALER_MAXWIDTH 800
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#define SCALER_MAXHEIGHT 600
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#endif
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#if RENDER_USE_ADVANCED_SCALERS>1
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#define SCALER_COMPLEXWIDTH 800
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#define SCALER_COMPLEXHEIGHT 600
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#endif
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#define SCALER_BLOCKSIZE 16
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typedef enum {
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scalerMode8, scalerMode15, scalerMode16, scalerMode32
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} scalerMode_t;
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typedef enum scalerOperation {
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scalerOpNormal,
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#if RENDER_USE_ADVANCED_SCALERS>2
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scalerOpAdvMame,
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scalerOpAdvInterp,
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scalerOpHQ,
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scalerOpSaI,
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scalerOpSuperSaI,
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scalerOpSuperEagle,
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#endif
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#if RENDER_USE_ADVANCED_SCALERS>0
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scalerOpTV,
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scalerOpRGB,
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scalerOpScan,
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#endif
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scalerLast
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} scalerOperation_t;
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typedef void (*ScalerLineHandler_t)(const void *src);
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typedef void (*ScalerComplexHandler_t)(void);
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extern Bit8u Scaler_Aspect[];
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extern Bit8u diff_table[];
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extern Bitu Scaler_ChangedLineIndex;
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extern Bit16u Scaler_ChangedLines[];
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#if RENDER_USE_ADVANCED_SCALERS>1
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/* Not entirely happy about those +2's since they make a non power of 2, with muls instead of shift */
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typedef Bit8u scalerChangeCache_t [SCALER_COMPLEXHEIGHT][SCALER_COMPLEXWIDTH / SCALER_BLOCKSIZE] ;
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typedef union {
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Bit32u b32 [SCALER_COMPLEXHEIGHT] [SCALER_COMPLEXWIDTH];
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Bit16u b16 [SCALER_COMPLEXHEIGHT] [SCALER_COMPLEXWIDTH];
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Bit8u b8 [SCALER_COMPLEXHEIGHT] [SCALER_COMPLEXWIDTH];
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} scalerFrameCache_t;
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#endif
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typedef union {
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Bit32u b32 [SCALER_MAXHEIGHT] [SCALER_MAXWIDTH];
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Bit16u b16 [SCALER_MAXHEIGHT] [SCALER_MAXWIDTH];
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Bit8u b8 [SCALER_MAXHEIGHT] [SCALER_MAXWIDTH];
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} scalerSourceCache_t;
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extern scalerSourceCache_t scalerSourceCache;
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#if RENDER_USE_ADVANCED_SCALERS>1
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extern scalerChangeCache_t scalerChangeCache;
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#endif
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typedef ScalerLineHandler_t ScalerLineBlock_t[5][4];
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typedef struct {
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const char *name;
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Bitu gfxFlags;
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Bitu xscale,yscale;
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ScalerComplexHandler_t Linear[4];
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ScalerComplexHandler_t Random[4];
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} ScalerComplexBlock_t;
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typedef struct {
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const char *name;
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Bitu gfxFlags;
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Bitu xscale,yscale;
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ScalerLineBlock_t Linear;
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ScalerLineBlock_t Random;
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} ScalerSimpleBlock_t;
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#define SCALE_LEFT 0x1
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#define SCALE_RIGHT 0x2
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#define SCALE_FULL 0x4
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/* Simple scalers */
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extern ScalerSimpleBlock_t ScaleNormal1x;
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extern ScalerSimpleBlock_t ScaleNormalDw;
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extern ScalerSimpleBlock_t ScaleNormalDh;
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extern ScalerSimpleBlock_t ScaleNormal2x;
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extern ScalerSimpleBlock_t ScaleNormal3x;
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#if RENDER_USE_ADVANCED_SCALERS>0
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extern ScalerSimpleBlock_t ScaleTV2x;
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extern ScalerSimpleBlock_t ScaleTV3x;
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extern ScalerSimpleBlock_t ScaleRGB2x;
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extern ScalerSimpleBlock_t ScaleRGB3x;
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extern ScalerSimpleBlock_t ScaleScan2x;
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extern ScalerSimpleBlock_t ScaleScan3x;
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#endif
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/* Complex scalers */
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#if RENDER_USE_ADVANCED_SCALERS>2
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extern ScalerComplexBlock_t ScaleHQ2x;
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extern ScalerComplexBlock_t ScaleHQ3x;
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extern ScalerComplexBlock_t Scale2xSaI;
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extern ScalerComplexBlock_t ScaleSuper2xSaI;
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extern ScalerComplexBlock_t ScaleSuperEagle;
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extern ScalerComplexBlock_t ScaleAdvMame2x;
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extern ScalerComplexBlock_t ScaleAdvMame3x;
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extern ScalerComplexBlock_t ScaleAdvInterp2x;
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extern ScalerComplexBlock_t ScaleAdvInterp3x;
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#endif
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#if RENDER_USE_ADVANCED_SCALERS>1
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extern ScalerLineBlock_t ScalerCache;
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#endif
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#endif
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