dosbox-wii/src/gui/render.cpp

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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.
*/
#include <sys/types.h>
#include <assert.h>
#include <math.h>
#include "dosbox.h"
#include "video.h"
#include "render.h"
#include "setup.h"
#include "control.h"
#include "mapper.h"
#include "cross.h"
#include "hardware.h"
#include "support.h"
#include "render_scalers.h"
Render_t render;
ScalerLineHandler_t RENDER_DrawLine;
static void RENDER_CallBack( GFX_CallBackFunctions_t function );
static void Check_Palette(void) {
/* Clean up any previous changed palette data */
if (render.pal.changed) {
memset(render.pal.modified, 0, sizeof(render.pal.modified));
render.pal.changed = false;
}
if (render.pal.first>render.pal.last)
return;
Bitu i;
switch (render.scale.outMode) {
case scalerMode8:
GFX_SetPalette(render.pal.first,render.pal.last-render.pal.first+1,(GFX_PalEntry *)&render.pal.rgb[render.pal.first]);
break;
case scalerMode15:
case scalerMode16:
for (i=render.pal.first;i<=render.pal.last;i++) {
Bit8u r=render.pal.rgb[i].red;
Bit8u g=render.pal.rgb[i].green;
Bit8u b=render.pal.rgb[i].blue;
Bit16u newPal = GFX_GetRGB(r,g,b);
if (newPal != render.pal.lut.b16[i]) {
render.pal.changed = true;
render.pal.modified[i] = 1;
render.pal.lut.b16[i] = newPal;
}
}
break;
case scalerMode32:
default:
for (i=render.pal.first;i<=render.pal.last;i++) {
Bit8u r=render.pal.rgb[i].red;
Bit8u g=render.pal.rgb[i].green;
Bit8u b=render.pal.rgb[i].blue;
Bit32u newPal = GFX_GetRGB(r,g,b);
if (newPal != render.pal.lut.b32[i]) {
render.pal.changed = true;
render.pal.modified[i] = 1;
render.pal.lut.b32[i] = newPal;
}
}
break;
}
/* Setup pal index to startup values */
render.pal.first=256;
render.pal.last=0;
}
void RENDER_SetPal(Bit8u entry,Bit8u red,Bit8u green,Bit8u blue) {
render.pal.rgb[entry].red=red;
render.pal.rgb[entry].green=green;
render.pal.rgb[entry].blue=blue;
if (render.pal.first>entry) render.pal.first=entry;
if (render.pal.last<entry) render.pal.last=entry;
}
static void RENDER_EmptyLineHandler(const void * src) {
}
static void RENDER_StartLineHandler(const void * s) {
if (s) {
const Bitu *src = (Bitu*)s;
Bitu *cache = (Bitu*)(render.scale.cacheRead);
for (Bits x=render.src.start;x>0;) {
if (GCC_UNLIKELY(src[0] != cache[0])) {
if (!GFX_StartUpdate( render.scale.outWrite, render.scale.outPitch )) {
RENDER_DrawLine = RENDER_EmptyLineHandler;
return;
}
render.scale.outWrite += render.scale.outPitch * Scaler_ChangedLines[0];
RENDER_DrawLine = render.scale.lineHandler;
RENDER_DrawLine( s );
return;
}
x--; src++; cache++;
}
}
render.scale.cacheRead += render.scale.cachePitch;
Scaler_ChangedLines[0] += Scaler_Aspect[ render.scale.inLine ];
render.scale.inLine++;
render.scale.outLine++;
}
static void RENDER_FinishLineHandler(const void * s) {
if (s) {
const Bitu *src = (Bitu*)s;
Bitu *cache = (Bitu*)(render.scale.cacheRead);
for (Bits x=render.src.start;x>0;) {
cache[0] = src[0];
x--; src++; cache++;
}
}
render.scale.cacheRead += render.scale.cachePitch;
}
static void RENDER_ClearCacheHandler(const void * src) {
Bitu x, width;
Bit32u *srcLine, *cacheLine;
srcLine = (Bit32u *)src;
cacheLine = (Bit32u *)render.scale.cacheRead;
width = render.scale.cachePitch / 4;
for (x=0;x<width;x++)
cacheLine[x] = ~srcLine[x];
render.scale.lineHandler( src );
}
bool RENDER_StartUpdate(void) {
if (GCC_UNLIKELY(render.updating))
return false;
if (GCC_UNLIKELY(!render.active))
return false;
if (GCC_UNLIKELY(render.frameskip.count<render.frameskip.max)) {
render.frameskip.count++;
return false;
}
render.frameskip.count=0;
if (render.scale.inMode == scalerMode8) {
Check_Palette();
}
render.scale.inLine = 0;
render.scale.outLine = 0;
render.scale.cacheRead = (Bit8u*)&scalerSourceCache;
render.scale.outWrite = 0;
render.scale.outPitch = 0;
Scaler_ChangedLines[0] = 0;
Scaler_ChangedLineIndex = 0;
/* Clearing the cache will first process the line to make sure it's never the same */
if (GCC_UNLIKELY( render.scale.clearCache) ) {
// LOG_MSG("Clearing cache");
//Will always have to update the screen with this one anyway, so let's update already
if (GCC_UNLIKELY(!GFX_StartUpdate( render.scale.outWrite, render.scale.outPitch )))
return false;
render.fullFrame = true;
render.scale.clearCache = false;
RENDER_DrawLine = RENDER_ClearCacheHandler;
} else {
if (render.pal.changed) {
/* Assume pal changes always do a full screen update anyway */
if (GCC_UNLIKELY(!GFX_StartUpdate( render.scale.outWrite, render.scale.outPitch )))
return false;
RENDER_DrawLine = render.scale.linePalHandler;
render.fullFrame = true;
} else {
RENDER_DrawLine = RENDER_StartLineHandler;
if (GCC_UNLIKELY(CaptureState & (CAPTURE_IMAGE|CAPTURE_VIDEO)))
render.fullFrame = true;
else
render.fullFrame = false;
}
}
render.updating = true;
return true;
}
static void RENDER_Halt( void ) {
RENDER_DrawLine = RENDER_EmptyLineHandler;
GFX_EndUpdate( 0 );
render.updating=false;
render.active=false;
}
extern Bitu PIC_Ticks;
void RENDER_EndUpdate( bool abort ) {
if (GCC_UNLIKELY(!render.updating))
return;
RENDER_DrawLine = RENDER_EmptyLineHandler;
if (GCC_UNLIKELY(CaptureState & (CAPTURE_IMAGE|CAPTURE_VIDEO))) {
Bitu pitch, flags;
flags = 0;
if (render.src.dblw != render.src.dblh) {
if (render.src.dblw) flags|=CAPTURE_FLAG_DBLW;
if (render.src.dblh) flags|=CAPTURE_FLAG_DBLH;
}
float fps = render.src.fps;
pitch = render.scale.cachePitch;
if (render.frameskip.max)
fps /= 1+render.frameskip.max;
CAPTURE_AddImage( render.src.width, render.src.height, render.src.bpp, pitch,
flags, fps, (Bit8u *)&scalerSourceCache, (Bit8u*)&render.pal.rgb );
}
if ( render.scale.outWrite ) {
GFX_EndUpdate( abort? NULL : Scaler_ChangedLines );
render.frameskip.hadSkip[render.frameskip.index] = 0;
} else {
#if 0
Bitu total = 0, i;
render.frameskip.hadSkip[render.frameskip.index] = 1;
for (i = 0;i<RENDER_SKIP_CACHE;i++)
total += render.frameskip.hadSkip[i];
LOG_MSG( "Skipped frame %d %d", PIC_Ticks, (total * 100) / RENDER_SKIP_CACHE );
#endif
}
render.frameskip.index = (render.frameskip.index + 1) & (RENDER_SKIP_CACHE - 1);
render.updating=false;
}
static Bitu MakeAspectTable(Bitu skip,Bitu height,double scaley,Bitu miny) {
Bitu i;
double lines=0;
Bitu linesadded=0;
for (i=0;i<skip;i++)
Scaler_Aspect[i] = 0;
height += skip;
for (i=skip;i<height;i++) {
lines += scaley;
if (lines >= miny) {
Bitu templines = (Bitu)lines;
lines -= templines;
linesadded += templines;
Scaler_Aspect[i] = templines;
} else {
Scaler_Aspect[i] = 0;
}
}
return linesadded;
}
static void RENDER_Reset( void ) {
Bitu width=render.src.width;
Bitu height=render.src.height;
bool dblw=render.src.dblw;
bool dblh=render.src.dblh;
double gfx_scalew;
double gfx_scaleh;
Bitu gfx_flags, xscale, yscale;
ScalerSimpleBlock_t *simpleBlock = &ScaleNormal1x;
ScalerComplexBlock_t *complexBlock = 0;
if (render.aspect) {
if (render.src.ratio>1.0) {
gfx_scalew = 1;
gfx_scaleh = render.src.ratio;
} else {
gfx_scalew = (1/render.src.ratio);
gfx_scaleh = 1;
}
} else {
gfx_scalew = 1;
gfx_scaleh = 1;
}
if ((dblh && dblw) || (render.scale.forced && !dblh && !dblw)) {
/* Initialize always working defaults */
if (render.scale.size == 2)
simpleBlock = &ScaleNormal2x;
else if (render.scale.size == 3)
simpleBlock = &ScaleNormal3x;
else
simpleBlock = &ScaleNormal1x;
/* Maybe override them */
#if RENDER_USE_ADVANCED_SCALERS>0
switch (render.scale.op) {
#if RENDER_USE_ADVANCED_SCALERS>2
case scalerOpAdvInterp:
if (render.scale.size == 2)
complexBlock = &ScaleAdvInterp2x;
else if (render.scale.size == 3)
complexBlock = &ScaleAdvInterp3x;
break;
case scalerOpAdvMame:
if (render.scale.size == 2)
complexBlock = &ScaleAdvMame2x;
else if (render.scale.size == 3)
complexBlock = &ScaleAdvMame3x;
break;
case scalerOpHQ:
if (render.scale.size == 2)
complexBlock = &ScaleHQ2x;
else if (render.scale.size == 3)
complexBlock = &ScaleHQ3x;
break;
case scalerOpSuperSaI:
if (render.scale.size == 2)
complexBlock = &ScaleSuper2xSaI;
break;
case scalerOpSuperEagle:
if (render.scale.size == 2)
complexBlock = &ScaleSuperEagle;
break;
case scalerOpSaI:
if (render.scale.size == 2)
complexBlock = &Scale2xSaI;
break;
#endif
case scalerOpTV:
if (render.scale.size == 2)
simpleBlock = &ScaleTV2x;
else if (render.scale.size == 3)
simpleBlock = &ScaleTV3x;
break;
case scalerOpRGB:
if (render.scale.size == 2)
simpleBlock = &ScaleRGB2x;
else if (render.scale.size == 3)
simpleBlock = &ScaleRGB3x;
break;
case scalerOpScan:
if (render.scale.size == 2)
simpleBlock = &ScaleScan2x;
else if (render.scale.size == 3)
simpleBlock = &ScaleScan3x;
break;
default:
break;
}
#endif
} else if (dblw) {
simpleBlock = &ScaleNormalDw;
} else if (dblh) {
simpleBlock = &ScaleNormalDh;
} else {
forcenormal:
complexBlock = 0;
simpleBlock = &ScaleNormal1x;
}
if (complexBlock) {
#if RENDER_USE_ADVANCED_SCALERS>1
if ((width >= SCALER_COMPLEXWIDTH - 16) || height >= SCALER_COMPLEXHEIGHT - 16) {
LOG_MSG("Scaler can't handle this resolution, going back to normal");
goto forcenormal;
}
#else
goto forcenormal;
#endif
gfx_flags = complexBlock->gfxFlags;
xscale = complexBlock->xscale;
yscale = complexBlock->yscale;
// LOG_MSG("Scaler:%s",complexBlock->name);
} else {
gfx_flags = simpleBlock->gfxFlags;
xscale = simpleBlock->xscale;
yscale = simpleBlock->yscale;
// LOG_MSG("Scaler:%s",simpleBlock->name);
}
switch (render.src.bpp) {
case 8:
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render.src.start = ( render.src.width * 1) / sizeof(Bitu);
if (gfx_flags & GFX_CAN_8)
gfx_flags |= GFX_LOVE_8;
else
gfx_flags |= GFX_LOVE_32;
break;
case 15:
render.src.start = ( render.src.width * 2) / sizeof(Bitu);
gfx_flags |= GFX_LOVE_15;
gfx_flags = (gfx_flags & ~GFX_CAN_8) | GFX_RGBONLY;
break;
case 16:
render.src.start = ( render.src.width * 2) / sizeof(Bitu);
gfx_flags |= GFX_LOVE_16;
gfx_flags = (gfx_flags & ~GFX_CAN_8) | GFX_RGBONLY;
break;
case 32:
render.src.start = ( render.src.width * 4) / sizeof(Bitu);
gfx_flags |= GFX_LOVE_32;
gfx_flags = (gfx_flags & ~GFX_CAN_8) | GFX_RGBONLY;
break;
}
gfx_flags=GFX_GetBestMode(gfx_flags);
if (!gfx_flags) {
if (!complexBlock && simpleBlock == &ScaleNormal1x)
E_Exit("Failed to create a rendering output");
else
goto forcenormal;
}
width *= xscale;
Bitu skip = complexBlock ? 1 : 0;
if (gfx_flags & GFX_SCALING) {
height = MakeAspectTable(skip, render.src.height, yscale, yscale );
} else {
if ((gfx_flags & GFX_CAN_RANDOM) && gfx_scaleh > 1) {
gfx_scaleh *= yscale;
height = MakeAspectTable( skip, render.src.height, gfx_scaleh, yscale );
} else {
gfx_flags &= ~GFX_CAN_RANDOM; //Hardware surface when possible
height = MakeAspectTable( skip, render.src.height, yscale, yscale);
}
}
/* Setup the scaler variables */
gfx_flags=GFX_SetSize(width,height,gfx_flags,gfx_scalew,gfx_scaleh,&RENDER_CallBack);
if (gfx_flags & GFX_CAN_8)
render.scale.outMode = scalerMode8;
else if (gfx_flags & GFX_CAN_15)
render.scale.outMode = scalerMode15;
else if (gfx_flags & GFX_CAN_16)
render.scale.outMode = scalerMode16;
else if (gfx_flags & GFX_CAN_32)
render.scale.outMode = scalerMode32;
else
E_Exit("Failed to create a rendering output");
ScalerLineBlock_t *lineBlock;
if (gfx_flags & GFX_HARDWARE) {
#if RENDER_USE_ADVANCED_SCALERS>1
if (complexBlock) {
lineBlock = &ScalerCache;
render.scale.complexHandler = complexBlock->Linear[ render.scale.outMode ];
} else
#endif
{
render.scale.complexHandler = 0;
lineBlock = &simpleBlock->Linear;
}
} else {
#if RENDER_USE_ADVANCED_SCALERS>1
if (complexBlock) {
lineBlock = &ScalerCache;
render.scale.complexHandler = complexBlock->Random[ render.scale.outMode ];
} else
#endif
{
render.scale.complexHandler = 0;
lineBlock = &simpleBlock->Random;
}
}
switch (render.src.bpp) {
case 8:
render.scale.lineHandler = (*lineBlock)[0][render.scale.outMode];
render.scale.linePalHandler = (*lineBlock)[4][render.scale.outMode];
render.scale.inMode = scalerMode8;
render.scale.cachePitch = render.src.width * 1;
break;
case 15:
render.scale.lineHandler = (*lineBlock)[1][render.scale.outMode];
render.scale.linePalHandler = 0;
render.scale.inMode = scalerMode15;
render.scale.cachePitch = render.src.width * 2;
break;
case 16:
render.scale.lineHandler = (*lineBlock)[2][render.scale.outMode];
render.scale.linePalHandler = 0;
render.scale.inMode = scalerMode16;
render.scale.cachePitch = render.src.width * 2;
break;
case 32:
render.scale.lineHandler = (*lineBlock)[3][render.scale.outMode];
render.scale.linePalHandler = 0;
render.scale.inMode = scalerMode32;
render.scale.cachePitch = render.src.width * 4;
break;
default:
E_Exit("RENDER:Wrong source bpp %d", render.src.bpp );
}
render.scale.blocks = render.src.width / SCALER_BLOCKSIZE;
render.scale.lastBlock = render.src.width % SCALER_BLOCKSIZE;
render.scale.inHeight = render.src.height;
/* Reset the palette change detection to it's initial value */
render.pal.first= 0;
render.pal.last = 255;
render.pal.changed = false;
memset(render.pal.modified, 0, sizeof(render.pal.modified));
//Finish this frame using a copy only handler
RENDER_DrawLine = RENDER_FinishLineHandler;
render.scale.outWrite = 0;
/* Signal the next frame to first reinit the cache */
render.scale.clearCache = true;
render.active=true;
}
static void RENDER_CallBack( GFX_CallBackFunctions_t function ) {
if (function == GFX_CallBackStop) {
RENDER_Halt( );
return;
} else if (function == GFX_CallBackRedraw) {
render.scale.clearCache = true;
return;
} else if ( function == GFX_CallBackReset) {
GFX_EndUpdate( 0 );
RENDER_Reset();
} else {
E_Exit("Unhandled GFX_CallBackReset %d", function );
}
}
void RENDER_SetSize(Bitu width,Bitu height,Bitu bpp,float fps,double ratio,bool dblw,bool dblh) {
RENDER_Halt( );
if (!width || !height || width > SCALER_MAXWIDTH || height > SCALER_MAXHEIGHT) {
return;
}
if ( ratio > 1 ) {
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double target = height * ratio + 0.025;
ratio = target / height;
} else {
//This would alter the width of the screen, we don't care about rounding errors here
}
render.src.width=width;
render.src.height=height;
render.src.bpp=bpp;
render.src.dblw=dblw;
render.src.dblh=dblh;
render.src.fps=fps;
render.src.ratio=ratio;
RENDER_Reset( );
}
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extern void GFX_SetTitle(Bit32s cycles, int frameskip,bool paused);
static void IncreaseFrameSkip(bool pressed) {
if (!pressed)
return;
if (render.frameskip.max<10) render.frameskip.max++;
LOG_MSG("Frame Skip at %d",render.frameskip.max);
GFX_SetTitle(-1,render.frameskip.max,false);
}
static void DecreaseFrameSkip(bool pressed) {
if (!pressed)
return;
if (render.frameskip.max>0) render.frameskip.max--;
LOG_MSG("Frame Skip at %d",render.frameskip.max);
GFX_SetTitle(-1,render.frameskip.max,false);
}
/* Disabled as I don't want to waste a keybind for that. Might be used in the future (Qbix)
static void ChangeScaler(bool pressed) {
if (!pressed)
return;
render.scale.op = (scalerOperation)((int)render.scale.op+1);
if((render.scale.op) >= scalerLast || render.scale.size == 1) {
render.scale.op = (scalerOperation)0;
if(++render.scale.size > 3)
render.scale.size = 1;
}
RENDER_CallBack( GFX_CallBackReset );
} */
void RENDER_Init(Section * sec) {
Section_prop * section=static_cast<Section_prop *>(sec);
//For restarting the renderer.
static bool running = false;
bool aspect = render.aspect;
Bitu scalersize = render.scale.size;
bool scalerforced = render.scale.forced;
scalerOperation_t scaleOp = render.scale.op;
render.pal.first=256;
render.pal.last=0;
render.aspect=section->Get_bool("aspect");
render.frameskip.max=section->Get_int("frameskip");
render.frameskip.count=0;
std::string cline;
std::string scaler;
//Check for commandline paramters and parse them through the configclass so they get checked against allowed values
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if (control->cmdline->FindString("-scaler",cline,true)) {
section->HandleInputline(std::string("scaler=") + cline);
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} else if (control->cmdline->FindString("-forcescaler",cline,true)) {
section->HandleInputline(std::string("scaler=") + cline + " forced");
}
Prop_multival* prop = section->Get_multival("scaler");
scaler = prop->GetSection()->Get_string("type");
std::string f = prop->GetSection()->Get_string("force");
render.scale.forced = false;
if(f == "forced") render.scale.forced = true;
if (scaler == "none") { render.scale.op = scalerOpNormal;render.scale.size = 1; }
else if (scaler == "normal2x") { render.scale.op = scalerOpNormal;render.scale.size = 2; }
else if (scaler == "normal3x") { render.scale.op = scalerOpNormal;render.scale.size = 3; }
#if RENDER_USE_ADVANCED_SCALERS>2
else if (scaler == "advmame2x") { render.scale.op = scalerOpAdvMame;render.scale.size = 2; }
else if (scaler == "advmame3x") { render.scale.op = scalerOpAdvMame;render.scale.size = 3; }
else if (scaler == "advinterp2x") { render.scale.op = scalerOpAdvInterp;render.scale.size = 2; }
else if (scaler == "advinterp3x") { render.scale.op = scalerOpAdvInterp;render.scale.size = 3; }
else if (scaler == "hq2x") { render.scale.op = scalerOpHQ;render.scale.size = 2; }
else if (scaler == "hq3x") { render.scale.op = scalerOpHQ;render.scale.size = 3; }
else if (scaler == "2xsai") { render.scale.op = scalerOpSaI;render.scale.size = 2; }
else if (scaler == "super2xsai") { render.scale.op = scalerOpSuperSaI;render.scale.size = 2; }
else if (scaler == "supereagle") { render.scale.op = scalerOpSuperEagle;render.scale.size = 2; }
#endif
#if RENDER_USE_ADVANCED_SCALERS>0
else if (scaler == "tv2x") { render.scale.op = scalerOpTV;render.scale.size = 2; }
else if (scaler == "tv3x") { render.scale.op = scalerOpTV;render.scale.size = 3; }
else if (scaler == "rgb2x"){ render.scale.op = scalerOpRGB;render.scale.size = 2; }
else if (scaler == "rgb3x"){ render.scale.op = scalerOpRGB;render.scale.size = 3; }
else if (scaler == "scan2x"){ render.scale.op = scalerOpScan;render.scale.size = 2; }
else if (scaler == "scan3x"){ render.scale.op = scalerOpScan;render.scale.size = 3; }
#endif
//If something changed that needs a ReInit
// Only ReInit when there is a src.bpp (fixes crashes on startup and directly changing the scaler without a screen specified yet)
if(running && render.src.bpp && ((render.aspect != aspect) || (render.scale.op != scaleOp) ||
(render.scale.size != scalersize) || (render.scale.forced != scalerforced) ||
render.scale.forced))
RENDER_CallBack( GFX_CallBackReset );
if(!running) render.updating=true;
running = true;
MAPPER_AddHandler(DecreaseFrameSkip,MK_f7,MMOD1,"decfskip","Dec Fskip");
MAPPER_AddHandler(IncreaseFrameSkip,MK_f8,MMOD1,"incfskip","Inc Fskip");
GFX_SetTitle(-1,render.frameskip.max,false);
}