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dosbox-x/src/gui/render.cpp
Jonathan Campbell cca84bd4ca alt vga option, cmd line
2018-12-14 01:32:02 -08:00

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/*
* Copyright (C) 2002-2015 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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 "sdlmain.h"
#include "render_scalers.h"
#if defined(__SSE__)
#include <xmmintrin.h>
#include <emmintrin.h>
#endif
Render_t render;
Bitu last_gfx_flags = 0;
ScalerLineHandler_t RENDER_DrawLine;
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;
}
uint32_t GFX_palette32bpp[256] = {0};
unsigned int GFX_GetBShift();
void RENDER_SetPal(Bit8u entry,Bit8u red,Bit8u green,Bit8u blue) {
if (GFX_GetBShift() == 0) {
GFX_palette32bpp[entry] =
((uint32_t)red << (uint32_t)16) +
((uint32_t)green << (uint32_t)8) +
((uint32_t)blue << (uint32_t)0);
}
else {
GFX_palette32bpp[entry] =
((uint32_t)blue << (uint32_t)16) +
((uint32_t)green << (uint32_t)8) +
((uint32_t)red << (uint32_t)0);
}
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) {
(void)src;//UNUSED
}
/*HACK*/
#if defined(__SSE__) && defined(_M_AMD64)
# define sse2_available (1) /* SSE2 is always available on x86_64 */
#else
# ifdef __SSE__
extern bool sse1_available;
extern bool sse2_available;
# endif
#endif
/*END HACK*/
/* NTS: In normal conditions, the renderer at the start of the frame
* does not call the scaler but instead compares line by line
* from the cache. The instant a line differs, it switches to
* running the scaler for the rest of the frame and the scaler
* will compare pixels and process only those pixel groups that
* changed, and then send the scanline to the changed lines
* list.
*
* If C_SCALER_FULL_LINE, the scaler will blindly process pixels
* without comparing to detect changes. This code changes to
* let the scaler blast pixels at least for some scan lines
* before switching back to comparing scan lines to determine
* whether more scaler processing is needed.
*
* The intent of C_SCALER_FULL_LINE is to process the scalers
* in a way more appropriate for embedded systems where memory
* and video bandwidth are more limited. */
static inline bool RENDER_DrawLine_scanline_cacheHit(const void *s) {
if (s) {
const Bitu *src = (Bitu*)s;
Bitu *cache = (Bitu*)(render.scale.cacheRead);
Bits count = (Bits)render.src.start;
#if defined(__SSE__)
if (sse2_available) {
#define MY_SIZEOF_INT_P sizeof(*src)
static const Bitu simd_inc = 16/MY_SIZEOF_INT_P;
while (count >= (Bits)simd_inc) {
__m128i v = _mm_loadu_si128((const __m128i*)src);
__m128i c = _mm_loadu_si128((const __m128i*)cache);
__m128i cmp = _mm_cmpeq_epi32(v, c);
if (GCC_UNLIKELY(_mm_movemask_epi8(cmp) != 0xFFFF))
goto cacheMiss;
count-=(Bits)simd_inc; src+=simd_inc; cache+=simd_inc;
}
#undef MY_SIZEOF_INT_P
}
else
#endif
{
while (count) {
if (GCC_UNLIKELY(src[0] != cache[0]))
goto cacheMiss;
count--; src++; cache++;
}
}
}
/* cacheHit */
return true;
cacheMiss:
return false;
}
#if defined(C_SCALER_FULL_LINE)
static unsigned int RENDER_scaler_countdown = 0;
static const unsigned int RENDER_scaler_countdown_init = 12;
static INLINE void cn_ScalerAddLines( Bitu changed, Bitu count ) {
if ((Scaler_ChangedLineIndex & 1) == changed ) {
Scaler_ChangedLines[Scaler_ChangedLineIndex] += count;
} else {
Scaler_ChangedLines[++Scaler_ChangedLineIndex] = count;
}
render.scale.outWrite += render.scale.outPitch * count;
}
static void RENDER_DrawLine_countdown(const void * s);
static void RENDER_DrawLine_countdown_wait(const void * s) {
if (RENDER_DrawLine_scanline_cacheHit(s)) { // line has not changed
render.scale.inLine++;
render.scale.cacheRead += render.scale.cachePitch;
cn_ScalerAddLines(0,Scaler_Aspect[ render.scale.outLine++ ]);
}
else {
RENDER_scaler_countdown = RENDER_scaler_countdown_init;
RENDER_DrawLine = RENDER_DrawLine_countdown;
RENDER_DrawLine( s );
}
}
static void RENDER_DrawLine_countdown(const void * s) {
render.scale.lineHandler(s);
if (--RENDER_scaler_countdown == 0)
RENDER_DrawLine = RENDER_DrawLine_countdown_wait;
}
#endif
static void RENDER_StartLineHandler(const void * s) {
if (RENDER_DrawLine_scanline_cacheHit(s)) { // line has not changed
render.scale.cacheRead += render.scale.cachePitch;
Scaler_ChangedLines[0] += Scaler_Aspect[ render.scale.inLine ];
render.scale.inLine++;
render.scale.outLine++;
}
else {
if (!GFX_StartUpdate( render.scale.outWrite, render.scale.outPitch )) {
RENDER_DrawLine = RENDER_EmptyLineHandler;
return;
}
render.scale.outWrite += render.scale.outPitch * Scaler_ChangedLines[0];
#if defined(C_SCALER_FULL_LINE)
RENDER_scaler_countdown = RENDER_scaler_countdown_init;
RENDER_DrawLine = RENDER_DrawLine_countdown;
#else
RENDER_DrawLine = render.scale.lineHandler;
#endif
RENDER_DrawLine( s );
}
}
static void RENDER_FinishLineHandler(const void * s) {
if (s) {
const Bitu *src = (Bitu*)s;
Bitu *cache = (Bitu*)(render.scale.cacheRead);
for (Bitu 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 );
}
extern void GFX_SetTitle(Bit32s cycles,Bits frameskip,Bits timing,bool paused);
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_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;
extern bool pause_on_vsync;
void PauseDOSBox(bool pressed);
void RENDER_EndUpdate( bool abort ) {
if (GCC_UNLIKELY(!render.updating))
return;
if (!abort && render.active && RENDER_DrawLine == RENDER_ClearCacheHandler)
render.scale.clearCache = false;
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
// Force output to update the screen even if nothing changed...
// works only with Direct3D output (GFX_StartUpdate() was probably not even called)
if (render.forceUpdate) GFX_EndUpdate( 0 );
}
render.frameskip.index = (render.frameskip.index + 1) & (RENDER_SKIP_CACHE - 1);
render.updating=false;
if (pause_on_vsync) {
pause_on_vsync = false;
PauseDOSBox(true);
}
}
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;
}
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;
if (width == 0 || height == 0)
return;
Bitu gfx_flags, xscale, yscale;
ScalerSimpleBlock_t *simpleBlock = &ScaleNormal1x;
ScalerComplexBlock_t *complexBlock = 0;
gfx_scalew = 1;
gfx_scaleh = 1;
#if !C_XBRZ
if (render.aspect == ASPECT_TRUE && !render.aspectOffload)
#else
if (render.aspect == ASPECT_TRUE && !render.aspectOffload && !(sdl_xbrz.enable && sdl_xbrz.scale_on))
#endif
{
if (render.src.ratio>1.0) {
gfx_scalew = 1;
gfx_scaleh = render.src.ratio;
} else {
gfx_scalew = (1.0/render.src.ratio);
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 if (render.scale.size == 1 && !(dblh || dblw) && render.scale.hardware)
simpleBlock = &ScaleNormal1x;
else if (render.scale.size == 4 && !(dblh || dblw) && render.scale.hardware)
simpleBlock = &ScaleNormal2x;
else if (render.scale.size == 6 && !(dblh || dblw) && render.scale.hardware)
simpleBlock = &ScaleNormal3x;
else if (render.scale.size == 4 && !render.scale.hardware)
simpleBlock = &ScaleNormal4x;
else if (render.scale.size == 5 && !render.scale.hardware)
simpleBlock = &ScaleNormal5x;
else if (render.scale.size == 8 && !(dblh || dblw) && render.scale.hardware)
simpleBlock = &ScaleNormal4x;
else if (render.scale.size == 10 && !(dblh || dblw) && render.scale.hardware)
simpleBlock = &ScaleNormal5x;
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 && !render.scale.hardware) {
simpleBlock = &ScaleNormalDw;
} else if (dblh && !render.scale.hardware) {
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:
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;
default:
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;
}
#if !defined(C_SDL2)
gfx_flags=GFX_GetBestMode(gfx_flags);
#else
gfx_flags &= ~GFX_SCALING;
gfx_flags |= GFX_RGBONLY | GFX_CAN_RANDOM;
#endif
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) {
if(render.scale.size == 1 && render.scale.hardware) { //hardware_none
if(dblh)
gfx_scaleh *= 1;
if(dblw)
gfx_scalew *= 1;
} else if(render.scale.size == 4 && render.scale.hardware) {
if(dblh)
gfx_scaleh *= 2;
if(dblw)
gfx_scalew *= 2;
} else if(render.scale.size == 6 && render.scale.hardware) {
if(dblh && dblw) {
gfx_scaleh *= 3; gfx_scalew *= 3;
} else if(dblh) {
gfx_scaleh *= 2;
} else if(dblw)
gfx_scalew *= 2;
} else if(render.scale.size == 8 && render.scale.hardware) { //hardware4x
if(dblh)
gfx_scaleh *= 4;
if(dblw)
gfx_scalew *= 4;
} else if(render.scale.size == 10 && render.scale.hardware) { //hardware5x
if(dblh && dblw) {
gfx_scaleh *= 5; gfx_scalew *= 5;
} else if(dblh) {
gfx_scaleh *= 4;
} else if(dblw)
gfx_scalew *= 4;
}
height = MakeAspectTable(skip, render.src.height, yscale, yscale );
} else {
// Print a warning when hardware scalers are selected, hopefully the first
// video mode will not have dblh or dblw or AR will be wrong
if (render.scale.hardware) {
LOG_MSG("Output does not support hardware scaling, switching to normal scalers");
render.scale.hardware=false;
}
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);
}
}
/* update the aspect ratio */
sdl.srcAspect.x = render.src.width * (render.src.dblw ? 2 : 1);
sdl.srcAspect.y = (int)floor((render.src.height * (render.src.dblh ? 2 : 1) * render.src.ratio) + 0.5);
sdl.srcAspect.xToY = (double)sdl.srcAspect.x / sdl.srcAspect.y;
sdl.srcAspect.yToX = (double)sdl.srcAspect.y / sdl.srcAspect.x;
LOG_MSG("Aspect ratio: %u x %u xToY=%.3f yToX=%.3f",sdl.srcAspect.x,sdl.srcAspect.y,sdl.srcAspect.xToY,sdl.srcAspect.yToX);
/* 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:
//render.src.bpp=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;
//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;
last_gfx_flags = gfx_flags;
}
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 scrn_ratio) {
RENDER_Halt( );
if (!width || !height || width > SCALER_MAXWIDTH || height > SCALER_MAXHEIGHT) {
return;
}
// figure out doublewidth/height values
bool dblw = false;
bool dblh = false;
double ratio = (((double)width)/((double)height))/scrn_ratio;
if(ratio > 1.6) {
dblh=true;
ratio /= 2.0;
} else if(ratio < 0.75) {
dblw=true;
ratio *= 2.0;
} else if(!dblw && !dblh && (width < 370) && (height < 280)) {
dblw=true; dblh=true;
}
LOG_MSG("pixratio %1.3f, dw %s, dh %s",ratio,dblw?"true":"false",dblh?"true":"false");
if ( ratio > 1.0 ) {
double target = height * ratio + 0.1;
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.src.scrn_ratio=scrn_ratio;
RENDER_Reset( );
}
void BlankDisplay(void);
static void BlankTestRefresh(bool pressed) {
(void)pressed;
BlankDisplay();
}
//extern void GFX_SetTitle(Bit32s cycles, Bits frameskip, Bits timing, bool paused);
static void IncreaseFrameSkip(bool pressed) {
if (!pressed)
return;
if (render.frameskip.max<10) render.frameskip.max++;
LOG_MSG("Frame Skip at %d",(int)render.frameskip.max);
GFX_SetTitle(-1,(Bits)render.frameskip.max,-1,false);
}
static void DecreaseFrameSkip(bool pressed) {
if (!pressed)
return;
if (render.frameskip.max>0) render.frameskip.max--;
LOG_MSG("Frame Skip at %d",(int)render.frameskip.max);
GFX_SetTitle(-1,(Bits)render.frameskip.max,-1,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 );
} */
#include "vga.h"
void RENDER_UpdateFromScalerSetting(void);
void RENDER_SetForceUpdate(bool f) {
render.forceUpdate = f;
}
void RENDER_UpdateFrameskipMenu(void) {
char tmp[64];
for (unsigned int f=0;f <= 10;f++) {
sprintf(tmp,"frameskip_%u",f);
DOSBoxMenu::item &item = mainMenu.get_item(tmp);
item.check(render.frameskip.max == f);
}
}
void VGA_SetupDrawing(Bitu /*val*/);
void RENDER_UpdateScalerMenu(void);
void RENDER_OnSectionPropChange(Section *x) {
(void)x;//UNUSED
Section_prop * section = static_cast<Section_prop *>(control->GetSection("render"));
bool p_doublescan = vga.draw.doublescan_set;
bool p_char9 = vga.draw.char9_set;
int p_aspect = render.aspect;
std::string s_aspect = section->Get_string("aspect");
render.aspect = ASPECT_FALSE;
if (s_aspect == "true" || s_aspect == "1" || s_aspect == "yes") render.aspect = ASPECT_TRUE;
#if C_SURFACE_POSTRENDER_ASPECT
if (s_aspect == "nearest") render.aspect = ASPECT_NEAREST;
if (s_aspect == "bilinear") render.aspect = ASPECT_BILINEAR;
#endif
render.frameskip.max = (Bitu)section->Get_int("frameskip");
vga.draw.doublescan_set=section->Get_bool("doublescan");
vga.draw.char9_set=section->Get_bool("char9");
if (render.aspect != p_aspect || vga.draw.doublescan_set != p_doublescan || vga.draw.char9_set != p_char9)
RENDER_CallBack(GFX_CallBackReset);
if (vga.draw.doublescan_set != p_doublescan || vga.draw.char9_set != p_char9)
VGA_StartResize();
mainMenu.get_item("vga_9widetext").check(vga.draw.char9_set).refresh_item(mainMenu);
mainMenu.get_item("doublescan").check(vga.draw.doublescan_set).refresh_item(mainMenu);
mainMenu.get_item("mapper_aspratio").check(render.aspect).refresh_item(mainMenu);
#if C_XBRZ
xBRZ_Change_Options(section);
#endif
RENDER_UpdateFrameskipMenu();
RENDER_UpdateFromScalerSetting();
RENDER_UpdateScalerMenu();
}
std::string RENDER_GetScaler(void) {
Section_prop * section=static_cast<Section_prop *>(control->GetSection("render"));
Prop_multival* prop = section->Get_multival("scaler");
return prop->GetSection()->Get_string("type");
}
extern const char *scaler_menu_opts[][2];
void RENDER_UpdateScalerMenu(void) {
const std::string scaler = RENDER_GetScaler();
mainMenu.get_item("scaler_forced").check(render.scale.forced).refresh_item(mainMenu);
for (size_t i=0;scaler_menu_opts[i][0] != NULL;i++) {
const std::string name = std::string("scaler_set_") + scaler_menu_opts[i][0];
mainMenu.get_item(name).check(scaler == scaler_menu_opts[i][0]).refresh_item(mainMenu);
}
}
void RENDER_UpdateFromScalerSetting(void) {
Section_prop * section=static_cast<Section_prop *>(control->GetSection("render"));
Prop_multival* prop = section->Get_multival("scaler");
std::string f = prop->GetSection()->Get_string("force");
std::string scaler = prop->GetSection()->Get_string("type");
#if C_XBRZ
bool old_xBRZ_enable = sdl_xbrz.enable;
sdl_xbrz.enable = false;
#endif
bool p_forced = render.scale.forced;
unsigned int p_size = render.scale.size;
bool p_hardware = render.scale.hardware;
unsigned int p_op = render.scale.op;
render.scale.forced = false;
if(f == "forced") render.scale.forced = true;
if (scaler == "none") { render.scale.op = scalerOpNormal; render.scale.size = 1; render.scale.hardware=false; }
else if (scaler == "normal2x") { render.scale.op = scalerOpNormal; render.scale.size = 2; render.scale.hardware=false; }
else if (scaler == "normal3x") { render.scale.op = scalerOpNormal; render.scale.size = 3; render.scale.hardware=false; }
else if (scaler == "normal4x") { render.scale.op = scalerOpNormal; render.scale.size = 4; render.scale.hardware=false; }
else if (scaler == "normal5x") { render.scale.op = scalerOpNormal; render.scale.size = 5; render.scale.hardware=false; }
#if RENDER_USE_ADVANCED_SCALERS>2
else if (scaler == "advmame2x") { render.scale.op = scalerOpAdvMame; render.scale.size = 2; render.scale.hardware=false; }
else if (scaler == "advmame3x") { render.scale.op = scalerOpAdvMame; render.scale.size = 3; render.scale.hardware=false; }
else if (scaler == "advinterp2x") { render.scale.op = scalerOpAdvInterp; render.scale.size = 2; render.scale.hardware=false; }
else if (scaler == "advinterp3x") { render.scale.op = scalerOpAdvInterp; render.scale.size = 3; render.scale.hardware=false; }
else if (scaler == "hq2x") { render.scale.op = scalerOpHQ; render.scale.size = 2; render.scale.hardware=false; }
else if (scaler == "hq3x") { render.scale.op = scalerOpHQ; render.scale.size = 3; render.scale.hardware=false; }
else if (scaler == "2xsai") { render.scale.op = scalerOpSaI; render.scale.size = 2; render.scale.hardware=false; }
else if (scaler == "super2xsai") { render.scale.op = scalerOpSuperSaI; render.scale.size = 2; render.scale.hardware=false; }
else if (scaler == "supereagle") { render.scale.op = scalerOpSuperEagle; render.scale.size = 2; render.scale.hardware=false; }
#endif
#if RENDER_USE_ADVANCED_SCALERS>0
else if (scaler == "tv2x") { render.scale.op = scalerOpTV; render.scale.size = 2; render.scale.hardware=false; }
else if (scaler == "tv3x") { render.scale.op = scalerOpTV; render.scale.size = 3; render.scale.hardware=false; }
else if (scaler == "rgb2x"){ render.scale.op = scalerOpRGB; render.scale.size = 2; render.scale.hardware=false; }
else if (scaler == "rgb3x"){ render.scale.op = scalerOpRGB; render.scale.size = 3; render.scale.hardware=false; }
else if (scaler == "scan2x"){ render.scale.op = scalerOpScan; render.scale.size = 2; render.scale.hardware=false; }
else if (scaler == "scan3x"){ render.scale.op = scalerOpScan; render.scale.size = 3; render.scale.hardware=false; }
#endif
else if (scaler == "hardware_none") { render.scale.op = scalerOpNormal; render.scale.size = 1; render.scale.hardware=true; }
else if (scaler == "hardware2x") { render.scale.op = scalerOpNormal; render.scale.size = 4; render.scale.hardware=true; }
else if (scaler == "hardware3x") { render.scale.op = scalerOpNormal; render.scale.size = 6; render.scale.hardware=true; }
else if (scaler == "hardware4x") { render.scale.op = scalerOpNormal; render.scale.size = 8; render.scale.hardware=true; }
else if (scaler == "hardware5x") { render.scale.op = scalerOpNormal; render.scale.size = 10; render.scale.hardware=true; }
#if C_XBRZ
else if (scaler == "xbrz" || scaler == "xbrz_bilinear") {
render.scale.op = scalerOpNormal;
render.scale.size = 1;
render.scale.hardware = false;
vga.draw.doublescan_set = false;
sdl_xbrz.enable = true;
sdl_xbrz.postscale_bilinear = (scaler == "xbrz_bilinear");
}
#endif
bool reset = false;
#if C_XBRZ
if (old_xBRZ_enable != sdl_xbrz.enable) reset = true;
#endif
if (p_forced != render.scale.forced) reset = true;
if (p_size != render.scale.size) reset = true;
if (p_hardware != render.scale.hardware) reset = true;
if (p_op != render.scale.op) reset = true;
if (reset) RENDER_CallBack(GFX_CallBackReset);
}
void RENDER_Init() {
Section_prop * section=static_cast<Section_prop *>(control->GetSection("render"));
LOG(LOG_MISC,LOG_DEBUG)("Initializing renderer");
control->GetSection("render")->onpropchange.push_back(&RENDER_OnSectionPropChange);
vga.draw.doublescan_set=section->Get_bool("doublescan");
vga.draw.char9_set=section->Get_bool("char9");
//For restarting the renderer.
static bool running = false;
int aspect = render.aspect;
Bitu scalersize = render.scale.size;
bool scalerforced = render.scale.forced;
scalerOperation_t scaleOp = render.scale.op;
render.scale.cacheRead = NULL;
render.scale.outWrite = NULL;
render.pal.first=0;
render.pal.last=255;
std::string s_aspect = section->Get_string("aspect");
render.aspect = ASPECT_FALSE;
if (s_aspect == "true" || s_aspect == "1") render.aspect = ASPECT_TRUE;
#if C_SURFACE_POSTRENDER_ASPECT
if (s_aspect == "nearest") render.aspect = ASPECT_NEAREST;
if (s_aspect == "bilinear") render.aspect = ASPECT_BILINEAR;
#endif
render.frameskip.max=(Bitu)section->Get_int("frameskip");
mainMenu.get_item("vga_9widetext").check(vga.draw.char9_set).refresh_item(mainMenu);
mainMenu.get_item("doublescan").check(vga.draw.doublescan_set).refresh_item(mainMenu);
mainMenu.get_item("mapper_aspratio").check(render.aspect).refresh_item(mainMenu);
RENDER_UpdateFrameskipMenu();
/* BUG FIX: Some people's dosbox.conf files have frameskip=-1 WTF?? */
/* without this fix, nothing displays, EVER */
if ((int)render.frameskip.max < 0) render.frameskip.max = 0;
render.frameskip.count=0;
render.forceUpdate=false;
std::string cline;
std::string scaler;
//Check for commandline paramters and parse them through the configclass so they get checked against allowed values
if (control->cmdline->FindString("-scaler",cline,false)) {
section->HandleInputline(std::string("scaler=") + cline);
} else if (control->cmdline->FindString("-forcescaler",cline,false)) {
section->HandleInputline(std::string("scaler=") + cline + " forced");
}
RENDER_UpdateFromScalerSetting();
vga_alt_new_mode = control->opt_alt_vga_render || section->Get_bool("alt render");
if (vga_alt_new_mode) LOG_MSG("Alternative VGA render engine not yet fully implemented!");
render.autofit=section->Get_bool("autofit");
//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_nothing,0,"decfskip","Dec Fskip");
MAPPER_AddHandler(IncreaseFrameSkip,MK_nothing,0,"incfskip","Inc Fskip");
// DEBUG option
MAPPER_AddHandler(BlankTestRefresh,MK_nothing,0,"blankrefreshtest","RefrshTest");
GFX_SetTitle(-1,(Bits)render.frameskip.max,-1,false);
RENDER_UpdateScalerMenu();
}
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