dosbox-wii/src/gui/render_scalers.h
2021-02-06 16:06:31 +01:00

151 lines
4.2 KiB
C

/*
* Copyright (C) 2002-2019 The DOSBox Team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef _RENDER_SCALERS_H
#define _RENDER_SCALERS_H
//#include "render.h"
#include "video.h"
#ifdef HW_RVL
#define SCALER_MAXWIDTH 640
#define SCALER_MAXHEIGHT 480
#if RENDER_USE_ADVANCED_SCALERS>1
#define SCALER_COMPLEXWIDTH 640
#define SCALER_COMPLEXHEIGHT 480
#endif
#else
#if RENDER_USE_ADVANCED_SCALERS>0
#define SCALER_MAXWIDTH 1280
#define SCALER_MAXHEIGHT 1024
#else
// reduced to save some memory
#define SCALER_MAXWIDTH 800
#define SCALER_MAXHEIGHT 600
#endif
#if RENDER_USE_ADVANCED_SCALERS>1
#define SCALER_COMPLEXWIDTH 800
#define SCALER_COMPLEXHEIGHT 600
#endif
#endif
#define SCALER_BLOCKSIZE 16
typedef enum {
scalerMode8, scalerMode15, scalerMode16, scalerMode32
} scalerMode_t;
typedef enum scalerOperation {
scalerOpNormal,
#if RENDER_USE_ADVANCED_SCALERS>2
scalerOpAdvMame,
scalerOpAdvInterp,
scalerOpHQ,
scalerOpSaI,
scalerOpSuperSaI,
scalerOpSuperEagle,
#endif
#if RENDER_USE_ADVANCED_SCALERS>0
scalerOpTV,
scalerOpRGB,
scalerOpScan,
#endif
scalerLast
} scalerOperation_t;
typedef void (*ScalerLineHandler_t)(const void *src);
typedef void (*ScalerComplexHandler_t)(void);
extern Bit8u Scaler_Aspect[];
extern Bit8u diff_table[];
extern Bitu Scaler_ChangedLineIndex;
extern Bit16u Scaler_ChangedLines[];
#if RENDER_USE_ADVANCED_SCALERS>1
/* Not entirely happy about those +2's since they make a non power of 2, with muls instead of shift */
typedef Bit8u scalerChangeCache_t [SCALER_COMPLEXHEIGHT][SCALER_COMPLEXWIDTH / SCALER_BLOCKSIZE] ;
typedef union {
Bit32u b32 [SCALER_COMPLEXHEIGHT] [SCALER_COMPLEXWIDTH];
Bit16u b16 [SCALER_COMPLEXHEIGHT] [SCALER_COMPLEXWIDTH];
Bit8u b8 [SCALER_COMPLEXHEIGHT] [SCALER_COMPLEXWIDTH];
} scalerFrameCache_t;
#endif
typedef union {
Bit32u b32 [SCALER_MAXHEIGHT] [SCALER_MAXWIDTH];
Bit16u b16 [SCALER_MAXHEIGHT] [SCALER_MAXWIDTH];
Bit8u b8 [SCALER_MAXHEIGHT] [SCALER_MAXWIDTH];
} scalerSourceCache_t;
extern scalerSourceCache_t scalerSourceCache;
#if RENDER_USE_ADVANCED_SCALERS>1
extern scalerChangeCache_t scalerChangeCache;
#endif
typedef ScalerLineHandler_t ScalerLineBlock_t[5][4];
typedef struct {
const char *name;
Bitu gfxFlags;
Bitu xscale,yscale;
ScalerComplexHandler_t Linear[4];
ScalerComplexHandler_t Random[4];
} ScalerComplexBlock_t;
typedef struct {
const char *name;
Bitu gfxFlags;
Bitu xscale,yscale;
ScalerLineBlock_t Linear;
ScalerLineBlock_t Random;
} ScalerSimpleBlock_t;
#define SCALE_LEFT 0x1
#define SCALE_RIGHT 0x2
#define SCALE_FULL 0x4
/* Simple scalers */
extern ScalerSimpleBlock_t ScaleNormal1x;
extern ScalerSimpleBlock_t ScaleNormalDw;
extern ScalerSimpleBlock_t ScaleNormalDh;
extern ScalerSimpleBlock_t ScaleNormal2x;
extern ScalerSimpleBlock_t ScaleNormal3x;
#if RENDER_USE_ADVANCED_SCALERS>0
extern ScalerSimpleBlock_t ScaleTV2x;
extern ScalerSimpleBlock_t ScaleTV3x;
extern ScalerSimpleBlock_t ScaleRGB2x;
extern ScalerSimpleBlock_t ScaleRGB3x;
extern ScalerSimpleBlock_t ScaleScan2x;
extern ScalerSimpleBlock_t ScaleScan3x;
#endif
/* Complex scalers */
#if RENDER_USE_ADVANCED_SCALERS>2
extern ScalerComplexBlock_t ScaleHQ2x;
extern ScalerComplexBlock_t ScaleHQ3x;
extern ScalerComplexBlock_t Scale2xSaI;
extern ScalerComplexBlock_t ScaleSuper2xSaI;
extern ScalerComplexBlock_t ScaleSuperEagle;
extern ScalerComplexBlock_t ScaleAdvMame2x;
extern ScalerComplexBlock_t ScaleAdvMame3x;
extern ScalerComplexBlock_t ScaleAdvInterp2x;
extern ScalerComplexBlock_t ScaleAdvInterp3x;
#endif
#if RENDER_USE_ADVANCED_SCALERS>1
extern ScalerLineBlock_t ScalerCache;
#endif
#endif