dosbox-wii/include/render.h

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/*
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* 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.
*
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* 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 DOSBOX_RENDER_H
#define DOSBOX_RENDER_H
// 0: complex scalers off, scaler cache off, some simple scalers off, memory requirements reduced
// 1: complex scalers off, scaler cache off, all simple scalers on
// 2: complex scalers off, scaler cache on
// 3: complex scalers on
#define RENDER_USE_ADVANCED_SCALERS 2
#include "../src/gui/render_scalers.h"
#define RENDER_SKIP_CACHE 16
//Enable this for scalers to support 0 input for empty lines
//#define RENDER_NULL_INPUT
typedef struct {
struct {
Bit8u red;
Bit8u green;
Bit8u blue;
Bit8u unused;
} rgb[256];
union {
Bit16u b16[256];
Bit32u b32[256];
} lut;
bool changed;
Bit8u modified[256];
Bitu first;
Bitu last;
} RenderPal_t;
typedef struct {
struct {
Bitu width, start;
Bitu height;
Bitu bpp;
bool dblw,dblh;
double ratio;
float fps;
} src;
struct {
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int count;
int max;
Bitu index;
Bit8u hadSkip[RENDER_SKIP_CACHE];
} frameskip;
struct {
Bitu size;
scalerMode_t inMode;
scalerMode_t outMode;
scalerOperation_t op;
bool clearCache;
bool forced;
ScalerLineHandler_t lineHandler;
ScalerLineHandler_t linePalHandler;
ScalerComplexHandler_t complexHandler;
Bitu blocks, lastBlock;
Bitu outPitch;
Bit8u *outWrite;
Bitu cachePitch;
Bit8u *cacheRead;
Bitu inHeight, inLine, outLine;
} scale;
RenderPal_t pal;
bool updating;
bool active;
bool aspect;
bool fullFrame;
} Render_t;
extern Render_t render;
extern ScalerLineHandler_t RENDER_DrawLine;
void RENDER_SetSize(Bitu width,Bitu height,Bitu bpp,float fps,double ratio,bool dblw,bool dblh);
bool RENDER_StartUpdate(void);
void RENDER_EndUpdate(bool abort);
void RENDER_SetPal(Bit8u entry,Bit8u red,Bit8u green,Bit8u blue);
#endif