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render.cpp
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/***********************************************************************************
Snes9x - Portable Super Nintendo Entertainment System (TM) emulator.
(c) Copyright 1996 - 2002 Gary Henderson ([email protected]),
Jerremy Koot ([email protected])
(c) Copyright 2002 - 2004 Matthew Kendora
(c) Copyright 2002 - 2005 Peter Bortas ([email protected])
(c) Copyright 2004 - 2005 Joel Yliluoma (http://iki.fi/bisqwit/)
(c) Copyright 2001 - 2006 John Weidman ([email protected])
(c) Copyright 2002 - 2006 funkyass ([email protected]),
Kris Bleakley ([email protected])
(c) Copyright 2002 - 2010 Brad Jorsch ([email protected]),
Nach ([email protected]),
(c) Copyright 2002 - 2011 zones ([email protected])
(c) Copyright 2006 - 2007 nitsuja
(c) Copyright 2009 - 2016 BearOso,
OV2
(c) Copyright 2011 - 2016 Hans-Kristian Arntzen,
Daniel De Matteis
(Under no circumstances will commercial rights be given)
BS-X C emulator code
(c) Copyright 2005 - 2006 Dreamer Nom,
zones
C4 x86 assembler and some C emulation code
(c) Copyright 2000 - 2003 _Demo_ ([email protected]),
Nach,
zsKnight ([email protected])
C4 C++ code
(c) Copyright 2003 - 2006 Brad Jorsch,
Nach
DSP-1 emulator code
(c) Copyright 1998 - 2006 _Demo_,
Andreas Naive ([email protected]),
Gary Henderson,
Ivar ([email protected]),
John Weidman,
Kris Bleakley,
Matthew Kendora,
Nach,
neviksti ([email protected])
DSP-2 emulator code
(c) Copyright 2003 John Weidman,
Kris Bleakley,
Lord Nightmare ([email protected]),
Matthew Kendora,
neviksti
DSP-3 emulator code
(c) Copyright 2003 - 2006 John Weidman,
Kris Bleakley,
Lancer,
z80 gaiden
DSP-4 emulator code
(c) Copyright 2004 - 2006 Dreamer Nom,
John Weidman,
Kris Bleakley,
Nach,
z80 gaiden
OBC1 emulator code
(c) Copyright 2001 - 2004 zsKnight,
pagefault ([email protected]),
Kris Bleakley
Ported from x86 assembler to C by sanmaiwashi
SPC7110 and RTC C++ emulator code used in 1.39-1.51
(c) Copyright 2002 Matthew Kendora with research by
zsKnight,
John Weidman,
Dark Force
SPC7110 and RTC C++ emulator code used in 1.52+
(c) Copyright 2009 byuu,
neviksti
S-DD1 C emulator code
(c) Copyright 2003 Brad Jorsch with research by
Andreas Naive,
John Weidman
S-RTC C emulator code
(c) Copyright 2001 - 2006 byuu,
John Weidman
ST010 C++ emulator code
(c) Copyright 2003 Feather,
John Weidman,
Kris Bleakley,
Matthew Kendora
Super FX x86 assembler emulator code
(c) Copyright 1998 - 2003 _Demo_,
pagefault,
zsKnight
Super FX C emulator code
(c) Copyright 1997 - 1999 Ivar,
Gary Henderson,
John Weidman
Sound emulator code used in 1.5-1.51
(c) Copyright 1998 - 2003 Brad Martin
(c) Copyright 1998 - 2006 Charles Bilyue'
Sound emulator code used in 1.52+
(c) Copyright 2004 - 2007 Shay Green ([email protected])
S-SMP emulator code used in 1.54+
(c) Copyright 2016 byuu
SH assembler code partly based on x86 assembler code
(c) Copyright 2002 - 2004 Marcus Comstedt ([email protected])
2xSaI filter
(c) Copyright 1999 - 2001 Derek Liauw Kie Fa
HQ2x, HQ3x, HQ4x filters
(c) Copyright 2003 Maxim Stepin ([email protected])
NTSC filter
(c) Copyright 2006 - 2007 Shay Green
GTK+ GUI code
(c) Copyright 2004 - 2016 BearOso
Win32 GUI code
(c) Copyright 2003 - 2006 blip,
funkyass,
Matthew Kendora,
Nach,
nitsuja
(c) Copyright 2009 - 2016 OV2
Mac OS GUI code
(c) Copyright 1998 - 2001 John Stiles
(c) Copyright 2001 - 2011 zones
Libretro port
(c) Copyright 2011 - 2016 Hans-Kristian Arntzen,
Daniel De Matteis
(Under no circumstances will commercial rights be given)
Specific ports contains the works of other authors. See headers in
individual files.
Snes9x homepage: http://www.snes9x.com/
Permission to use, copy, modify and/or distribute Snes9x in both binary
and source form, for non-commercial purposes, is hereby granted without
fee, providing that this license information and copyright notice appear
with all copies and any derived work.
This software is provided 'as-is', without any express or implied
warranty. In no event shall the authors be held liable for any damages
arising from the use of this software or it's derivatives.
Snes9x is freeware for PERSONAL USE only. Commercial users should
seek permission of the copyright holders first. Commercial use includes,
but is not limited to, charging money for Snes9x or software derived from
Snes9x, including Snes9x or derivatives in commercial game bundles, and/or
using Snes9x as a promotion for your commercial product.
The copyright holders request that bug fixes and improvements to the code
should be forwarded to them so everyone can benefit from the modifications
in future versions.
Super NES and Super Nintendo Entertainment System are trademarks of
Nintendo Co., Limited and its subsidiary companies.
***********************************************************************************/
/* Render.CPP
* ----------
* Video output filters for the Windows port.
*/
#include <algorithm>
#include "../port.h"
#include "wsnes9x.h"
#include "../snes9x.h"
#include <memory.h>
#include "render.h"
#include "../ppu.h"
#include "../gfx.h"
#include <math.h>
#include "../gfx.h"
#include "../filter/2xsai.h"
#include "../filter/hq2x.h"
#include "snes_ntsc.h"
#include "../filter/xbrz.h"
#include <vector>
#include <intrin.h>
// Private Prototypes, should not be called directly
void RenderPlain (SSurface Src, SSurface Dst, RECT *);
void RenderForced1X (SSurface Src, SSurface Dst, RECT *);
void RenderSimple2X (SSurface Src, SSurface Dst, RECT *);
void RenderFakeTV (SSurface Src, SSurface Dst, RECT *);
void RenderSuperEagle (SSurface Src, SSurface Dst, RECT *);
void Render2xSaI (SSurface Src, SSurface Dst, RECT *);
void RenderSuper2xSaI (SSurface Src, SSurface Dst, RECT *);
void RenderTVMode (SSurface Src, SSurface Dst, RECT *);
template<int T> void RenderHQ2X (SSurface Src, SSurface Dst, RECT *rect);
template<int T> void RenderHQ3X (SSurface Src, SSurface Dst, RECT *rect);
void RenderLQ3XB (SSurface Src, SSurface Dst, RECT *rect);
void RenderHQ4X (SSurface Src, SSurface Dst, RECT *rect);
void Render2xBRZ(SSurface Src, SSurface Dst, RECT* rect);
void Render3xBRZ(SSurface Src, SSurface Dst, RECT* rect);
void Render4xBRZ(SSurface Src, SSurface Dst, RECT* rect);
void Render5xBRZ(SSurface Src, SSurface Dst, RECT* rect);
void Render6xBRZ(SSurface Src, SSurface Dst, RECT* rect);
void RenderEPXA (SSurface Src, SSurface Dst, RECT *);
void RenderEPXB (SSurface Src, SSurface Dst, RECT *);
void RenderEPXC (SSurface Src, SSurface Dst, RECT *);
void RenderEPX3 (SSurface Src, SSurface Dst, RECT *);
void RenderSimple3X (SSurface Src, SSurface Dst, RECT *);
void RenderSimple4X (SSurface Src, SSurface Dst, RECT *);
void RenderTVMode3X (SSurface Src, SSurface Dst, RECT *);
void RenderDotMatrix3X (SSurface Src, SSurface Dst, RECT *);
void RenderBlarggNTSCComposite(SSurface Src, SSurface Dst, RECT *);
void RenderBlarggNTSCSvideo(SSurface Src, SSurface Dst, RECT *);
void RenderBlarggNTSCRgb(SSurface Src, SSurface Dst, RECT *);
void RenderBlarggNTSC(SSurface Src, SSurface Dst, RECT *);
void RenderMergeHires(void *src, int srcPitch , void* dst, int dstPitch, unsigned int width, unsigned int height);
void InitLUTsWin32(void);
void RenderxBRZ(SSurface Src, SSurface Dst, RECT* rect, int scalingFactor);
// Contains the pointer to the now active render method
typedef void (*TRenderMethod)( SSurface Src, SSurface Dst, RECT *);
TRenderMethod _RenderMethod = RenderPlain;
TRenderMethod _RenderMethodHiRes = RenderPlain;
// Used as change log
static uint8 ChangeLog1 [EXT_PITCH * MAX_SNES_HEIGHT];
static uint8 ChangeLog2 [EXT_PITCH * MAX_SNES_HEIGHT];
static uint8 ChangeLog3 [EXT_PITCH * MAX_SNES_HEIGHT];
BYTE *BlendBuf = NULL;
BYTE *BlendBuffer = NULL;
uint8 *ChangeLog [3] = {
ChangeLog1, ChangeLog2, ChangeLog3
};
START_EXTERN_C
uint8 snes9x_clear_change_log = 0;
END_EXTERN_C
enum BlarggMode { UNINITIALIZED,BLARGGCOMPOSITE,BLARGGSVIDEO,BLARGGRGB };
snes_ntsc_t *ntsc = NULL;
BlarggMode blarggMode = UNINITIALIZED;
int num_xbrz_threads = 4;
struct xbrz_thread_data {
HANDLE xbrz_start_event;
HANDLE xbrz_sync_event;
HANDLE thread_handle;
static int scalingFactor;
static SSurface *src;
static SSurface *dst;
static uint8* dstPtr;
int yFirst;
int yLast;
};
xbrz_thread_data *xbrz_thread_sync_data;
int xbrz_thread_data::scalingFactor = 4;
SSurface *xbrz_thread_data::src = NULL;
SSurface *xbrz_thread_data::dst = NULL;
uint8 *xbrz_thread_data::dstPtr = NULL;
HANDLE *xbrz_sync_handles;
DWORD WINAPI ThreadProc_XBRZ(VOID * pParam);
TRenderMethod FilterToMethod(RenderFilter filterID)
{
switch(filterID)
{
default:
case FILTER_NONE: return RenderPlain;
case FILTER_SIMPLE1X: return RenderForced1X;
case FILTER_SIMPLE2X: return RenderSimple2X;
case FILTER_SCANLINES: return RenderFakeTV;
case FILTER_TVMODE: return RenderTVMode;
case FILTER_SUPEREAGLE: return RenderSuperEagle;
case FILTER_SUPER2XSAI: return RenderSuper2xSaI;
case FILTER_2XSAI: return Render2xSaI;
case FILTER_HQ2X: return RenderHQ2X<FILTER_HQ2X>;
case FILTER_HQ2XS: return RenderHQ2X<FILTER_HQ2XS>;
case FILTER_HQ2XBOLD: return RenderHQ2X<FILTER_HQ2XBOLD>;
case FILTER_EPXA: return RenderEPXA;
case FILTER_EPXB: return RenderEPXB;
case FILTER_EPXC: return RenderEPXC;
case FILTER_2XBRZ: return Render2xBRZ;
case FILTER_SIMPLE3X: return RenderSimple3X;
case FILTER_TVMODE3X: return RenderTVMode3X;
case FILTER_DOTMATRIX3X:return RenderDotMatrix3X;
case FILTER_HQ3X: return RenderHQ3X<FILTER_HQ3X>;
case FILTER_HQ3XS: return RenderHQ3X<FILTER_HQ3XS>;
case FILTER_HQ3XBOLD: return RenderHQ3X<FILTER_HQ3XBOLD>;
case FILTER_LQ3XBOLD: return RenderLQ3XB;
case FILTER_EPX3: return RenderEPX3;
case FILTER_3XBRZ: return Render3xBRZ;
case FILTER_BLARGGCOMP: return RenderBlarggNTSCComposite;
case FILTER_BLARGGSVID: return RenderBlarggNTSCSvideo;
case FILTER_BLARGGRGB: return RenderBlarggNTSCRgb;
case FILTER_SIMPLE4X: return RenderSimple4X;
case FILTER_HQ4X: return RenderHQ4X;
case FILTER_4XBRZ: return Render4xBRZ;
case FILTER_5XBRZ: return Render5xBRZ;
case FILTER_6XBRZ: return Render6xBRZ;
}
}
const char* GetFilterName(RenderFilter filterID)
{
switch(filterID)
{
default: return "Unknown";
case FILTER_NONE: return "None";
case FILTER_SIMPLE1X: return "Forced 1X";
case FILTER_SIMPLE2X: return "Simple 2X";
case FILTER_SCANLINES: return "Scanlines";
case FILTER_TVMODE: return "TV Mode";
case FILTER_BLARGGCOMP: return "Blargg's NTSC (Composite)";
case FILTER_BLARGGSVID: return "Blargg's NTSC (S-Video)";
case FILTER_BLARGGRGB: return "Blargg's NTSC (RGB)";
case FILTER_SUPEREAGLE: return "SuperEagle";
case FILTER_SUPER2XSAI: return "Super2xSaI";
case FILTER_2XSAI: return "2xSaI";
case FILTER_HQ2X: return "hq2x";
case FILTER_HQ2XS: return "hq2xS";
case FILTER_HQ2XBOLD: return "hq2xBold";
case FILTER_EPXA: return "EPX A";
case FILTER_EPXB: return "EPX B";
case FILTER_EPXC: return "EPX C";
case FILTER_2XBRZ: return "2xBRZ";
case FILTER_SIMPLE3X: return "Simple 3X";
case FILTER_TVMODE3X: return "TV Mode 3X";
case FILTER_DOTMATRIX3X: return "Dot Matrix 3X";
case FILTER_HQ3X: return "hq3x";
case FILTER_HQ3XS: return "hq3xS";
case FILTER_HQ3XBOLD: return "hq3xBold";
case FILTER_LQ3XBOLD: return "lq3xBold";
case FILTER_EPX3: return "EPX3";
case FILTER_3XBRZ: return "3xBRZ";
case FILTER_SIMPLE4X: return "Simple 4X";
case FILTER_HQ4X: return "hq4x";
case FILTER_4XBRZ: return "4xBRZ";
case FILTER_5XBRZ: return "5xBRZ";
case FILTER_6XBRZ: return "6xBRZ";
}
}
int GetFilterScale(RenderFilter filterID)
{
switch(filterID)
{
case FILTER_NONE:
case FILTER_SIMPLE1X:
return 1;
default:
return 2;
case FILTER_SIMPLE3X:
case FILTER_TVMODE3X:
case FILTER_DOTMATRIX3X:
case FILTER_HQ3X:
case FILTER_HQ3XS:
case FILTER_HQ3XBOLD:
case FILTER_LQ3XBOLD:
case FILTER_EPX3:
case FILTER_BLARGGCOMP:
case FILTER_BLARGGSVID:
case FILTER_BLARGGRGB:
case FILTER_3XBRZ:
return 3;
case FILTER_SIMPLE4X:
case FILTER_HQ4X:
case FILTER_4XBRZ:
return 4;
case FILTER_5XBRZ:
return 5;
case FILTER_6XBRZ:
return 6;
}
}
bool GetFilterHiResSupport(RenderFilter filterID)
{
switch(filterID)
{
case FILTER_NONE:
case FILTER_SIMPLE1X:
case FILTER_SIMPLE2X:
case FILTER_SCANLINES:
case FILTER_BLARGGCOMP:
case FILTER_BLARGGSVID:
case FILTER_BLARGGRGB:
case FILTER_TVMODE:
case FILTER_SIMPLE3X:
case FILTER_SIMPLE4X:
case FILTER_HQ4X:
case FILTER_2XBRZ:
case FILTER_3XBRZ:
case FILTER_4XBRZ:
case FILTER_5XBRZ:
case FILTER_6XBRZ:
return true;
default:
return false;
}
}
inline static bool GetFilter32BitSupport(RenderFilter filterID)
{
switch(filterID)
{
case FILTER_NONE:
case FILTER_SIMPLE1X:
case FILTER_SIMPLE2X:
case FILTER_SIMPLE3X:
case FILTER_EPXA:
case FILTER_EPXB:
case FILTER_EPXC:
case FILTER_EPX3:
case FILTER_SCANLINES:
case FILTER_TVMODE3X:
case FILTER_DOTMATRIX3X:
case FILTER_SIMPLE4X:
return true;
default:
return false;
}
}
inline static bool GetFilterBlendSupport(RenderFilter filterID)
{
switch(filterID)
{
case FILTER_SIMPLE1X:
case FILTER_BLARGGCOMP:
case FILTER_BLARGGSVID:
case FILTER_BLARGGRGB:
return true;
default:
return false;
}
}
void SelectRenderMethod()
{
TRenderMethod OldRenderMethod = _RenderMethod;
TRenderMethod OldRenderMethodHiRes = _RenderMethodHiRes;
_RenderMethod = FilterToMethod(GUI.Scale);
_RenderMethodHiRes = FilterToMethod(GUI.ScaleHiRes);
if (OldRenderMethod != _RenderMethod || OldRenderMethodHiRes != _RenderMethodHiRes)
snes9x_clear_change_log = GUI.NumFlipFrames;
GUI.DepthConverted = !GUI.NeedDepthConvert;
if(GUI.ScreenDepth == 32 &&
((GetFilter32BitSupport(GUI.Scale) && (IPPU.RenderedScreenHeight <= SNES_HEIGHT_EXTENDED && IPPU.RenderedScreenWidth < 512)) ||
(GetFilter32BitSupport(GUI.ScaleHiRes) && (IPPU.RenderedScreenHeight > SNES_HEIGHT_EXTENDED || IPPU.RenderedScreenWidth == 512))))
{
// filter supports converting
GUI.DepthConverted = true;
}
}
void RenderMethod(SSurface Src, SSurface Dst, RECT * rect)
{
if(Src.Height > SNES_HEIGHT_EXTENDED || Src.Width == 512) {
if(GUI.BlendHiRes && Src.Width == 512 && !GetFilterBlendSupport(GUI.ScaleHiRes)) {
RenderMergeHires(Src.Surface,Src.Pitch,BlendBuffer,EXT_PITCH,Src.Width,Src.Height);
Src.Surface = BlendBuffer;
}
_RenderMethodHiRes(Src,Dst,rect);
} else {
_RenderMethod(Src,Dst,rect);
}
}
void InitRenderFilters(void)
{
InitLUTsWin32();
if(!ntsc) {
ntsc = new snes_ntsc_t;
}
if(!BlendBuf) {
BlendBuf = new BYTE [EXT_PITCH * EXT_HEIGHT];
BlendBuffer = BlendBuf + EXT_OFFSET;
memset(BlendBuf, 0, EXT_PITCH * EXT_HEIGHT);
}
SYSTEM_INFO sysinfo;
GetSystemInfo( &sysinfo );
num_xbrz_threads = sysinfo.dwNumberOfProcessors;
if(!xbrz_thread_sync_data) {
xbrz_thread_sync_data = new xbrz_thread_data[num_xbrz_threads];
xbrz_sync_handles = new HANDLE[num_xbrz_threads];
for(int i = 0; i < num_xbrz_threads; i++) {
xbrz_thread_sync_data[i].xbrz_start_event = CreateEvent(NULL, FALSE, FALSE, NULL);
xbrz_thread_sync_data[i].xbrz_sync_event = CreateEvent(NULL, FALSE, FALSE, NULL);
xbrz_thread_sync_data[i].thread_handle = CreateThread(NULL, 0, ThreadProc_XBRZ, &xbrz_thread_sync_data[i], 0, NULL);
xbrz_sync_handles[i] = xbrz_thread_sync_data[i].xbrz_sync_event;
}
}
}
#define R5G6B5 // windows port uses RGB565
#ifdef R5G6B5
#define Mask_2 0x07E0 // 00000 111111 00000
#define Mask13 0xF81F // 11111 000000 11111
#define Mask_1 0x001F // 00000 000000 11111
#define Mask_3 0xF800 // 11111 000000 00000
#define CONVERT_16_TO_32(pixel) \
(((((pixel) >> 11) ) << /*RedShift+3*/ 19) | \
((((pixel) >> 5) & 0x3f) << /*GreenShift+2*/10) | \
(((pixel) & 0x1f) << /*BlueShift+3*/ 3))
#define NUMBITS (16)
#define CONVERT_32_TO_16(pixel) \
(((((pixel) & 0xf80000) >> 8) | \
(((pixel) & 0xfc00) >> 5) | \
(((pixel) & 0xf8) >> 3)) & 0xffff)
#else
#define Mask_2 0x03E0 // 00000 11111 00000
#define Mask13 0x7C1F // 11111 00000 11111
#define Mask_1 0x001F // 00000 00000 11111
#define Mask_3 0x7C00 // 11111 00000 00000
#define CONVERT_16_TO_32(pixel) \
(((((pixel) >> 10) ) << /*RedShift+3*/ 19) | \
((((pixel) >> 5) & 0x1f) << /*GreenShift+3*/11) | \
(((pixel) & 0x1f) << /*BlueShift+3*/ 3))
#define NUMBITS (15)
#define CONVERT_32_TO_16(pixel) \
(((((pixel) & 0xf80000) >> 9) | \
(((pixel) & 0xf800) >> 6) | \
(((pixel) & 0xf8) >> 3)) & 0xffff)
#endif
static int RGBtoYUV[1<<NUMBITS];
static uint16 RGBtoBright[1<<NUMBITS];
#define Interp05(c1, c2) \
(((c1) == (c2)) ? (c1) : \
((((((c1) & Mask_2) + ((c2) & Mask_2)) >> 1) & Mask_2) + \
(((((c1) & Mask13) + ((c2) & Mask13)) >> 1) & Mask13)))
#define Interp01(c1, c2) \
((((c1) == (c2)) ? (c1) : \
(((((((c1) & Mask_2) * 3) + ((c2) & Mask_2)) >> 2) & Mask_2) + \
((((((c1) & Mask13) * 3) + ((c2) & Mask13)) >> 2) & Mask13))))
#define Halve(c1) \
((((((c1) & Mask_2)) >> 1) & Mask_2) + \
(((((c1) & Mask13)) >> 1) & Mask13))
#define ThreeQuarters(c1) \
((((((c1) & Mask_2)*3) >> 2) & Mask_2) + \
(((((c1) & Mask13)*3) >> 2) & Mask13))
#ifdef LSB_FIRST
#define TWO_PIX(left,right) ((left) | ((right) << 16))
#define THREE_PIX(left,middle,right) uint48((left) | ((middle) << 16), (right))
#define TWO_PIX_32(left,right) (CONVERT_16_TO_32(left) | ((uint64)CONVERT_16_TO_32(right) << 32))
#define THREE_PIX_32(left,middle,right) uint96(CONVERT_16_TO_32(left) | ((uint64)CONVERT_16_TO_32(middle) << 32), CONVERT_16_TO_32(right))
#else
#define TWO_PIX(left,right) ((right) | ((left) << 16))
#define THREE_PIX(left,middle,right) uint48((middle) | ((left) << 16), (right)) // is this right?
// #define THREE_PIX(left,middle,right) uint48((right) | ((middle) << 16), (left)) // or this?
#endif
// stretches a single line
inline void DoubleLine16( uint16 *lpDst, uint16 *lpSrc, unsigned int Width){
while(Width--){
*lpDst++ = *lpSrc;
*lpDst++ = *lpSrc++;
}
}
inline void TripleLine16( uint16 *lpDst, uint16 *lpSrc, unsigned int Width){
while(Width--){
*lpDst++ = *lpSrc;
*lpDst++ = *lpSrc;
*lpDst++ = *lpSrc++;
}
}
inline void QuadrupleLine16( uint16 *lpDst, uint16 *lpSrc, unsigned int Width){
while(Width--){
*lpDst++ = *lpSrc;
*lpDst++ = *lpSrc;
*lpDst++ = *lpSrc;
*lpDst++ = *lpSrc++;
}
}
inline void ThreeHalfLine16( uint16 *lpDst, uint16 *lpSrc, unsigned int Width){
while(Width-=2){
*lpDst++ = *lpSrc;
*lpDst++ = Interp05(*lpSrc, *(lpSrc+1));
*lpDst++ = *(lpSrc+1);
lpSrc+=2;
}
}
inline void HalfLine16( uint16 *lpDst, uint16 *lpSrc, unsigned int Width){
while(Width--){
*lpDst++ = Interp05(*lpSrc, *(lpSrc+1));
lpSrc+=2;
}
}
inline void DoubleLine32( uint32 *lpDst, uint16 *lpSrc, unsigned int Width){
while(Width--){
*lpDst++ = CONVERT_16_TO_32(*lpSrc);
*lpDst++ = CONVERT_16_TO_32(*lpSrc);
lpSrc++;
}
}
inline void QuadrupleLine32( uint32 *lpDst, uint16 *lpSrc, unsigned int Width){
while(Width--){
*lpDst++ = CONVERT_16_TO_32(*lpSrc);
*lpDst++ = CONVERT_16_TO_32(*lpSrc);
*lpDst++ = CONVERT_16_TO_32(*lpSrc);
*lpDst++ = CONVERT_16_TO_32(*lpSrc);
lpSrc++;
}
}
inline void SingleLine32( uint32 *lpDst, uint16 *lpSrc, unsigned int Width){
while(Width--){
*lpDst++ = CONVERT_16_TO_32(*lpSrc);
lpSrc++;
}
}
inline void HalfLine32( uint32 *lpDst, uint16 *lpSrc, unsigned int Width){
while(Width--){
const uint16 color = Interp05(*lpSrc, *(lpSrc+1));
*lpDst++ = CONVERT_16_TO_32(color);
lpSrc+=2;
}
}
inline void TripleLine32( uint32 *lpDst, uint16 *lpSrc, unsigned int Width){
while(Width--){
*lpDst++ = CONVERT_16_TO_32(*lpSrc);
*lpDst++ = CONVERT_16_TO_32(*lpSrc);
*lpDst++ = CONVERT_16_TO_32(*lpSrc);
lpSrc++;
}
}
inline void ThreeHalfLine32( uint32 *lpDst, uint16 *lpSrc, unsigned int Width){
while(Width-=2){
*lpDst++ = CONVERT_16_TO_32(*lpSrc);
const uint16 color = Interp05(*lpSrc, *(lpSrc+1));
*lpDst++ = CONVERT_16_TO_32(color);
*lpDst++ = CONVERT_16_TO_32(*(lpSrc+1));
lpSrc+=2;
}
}
inline void SetRect(RECT* rect, int width, int height, int scale)
{
rect->left = 0;
rect->right = width * scale;
rect->top = 0;
rect->bottom = (height - (GUI.HeightExtend?0:15)) * scale;
}
#define AVERAGE_565(el0, el1) (((el0) & (el1)) + ((((el0) ^ (el1)) & 0xF7DE) >> 1))
void RenderMergeHires(void *src, int srcPitch , void* dst, int dstPitch, unsigned int width, unsigned int height)
{
for (register int y = 0; y < height; y++)
{
register uint16 *input = (uint16 *) ((uint8 *) src + y * srcPitch);
register uint16 *output = (uint16 *) ((uint8 *) dst + y * dstPitch);
register uint16 l, r;
l = 0;
for (register int x = 0; x < (width >> 1); x++)
{
r = *input++;
*output++ = AVERAGE_565 (l, r);
l = r;
r = *input++;
*output++ = AVERAGE_565 (l, r);
l = r;
}
}
return;
}
// No enlargement, just render to the screen
void RenderPlain (SSurface Src, SSurface Dst, RECT *rect)
{
SetRect(rect, Src.Width, Src.Height, 1);
if(Src.Height > SNES_HEIGHT_EXTENDED)
rect->bottom -= (GUI.HeightExtend?0:15);
const uint32 srcHeight = (rect->bottom - rect->top);
uint16 *lpSrc = reinterpret_cast<uint16 *>(Src.Surface);
const unsigned int srcPitch = Src.Pitch >> 1;
if(GUI.ScreenDepth == 16)
{
const unsigned int dstPitch = Dst.Pitch >> 1;
uint16 *lpDst = reinterpret_cast<uint16 *>(Dst.Surface) + rect->top * dstPitch + rect->left;
for (unsigned int H = 0; H != srcHeight; H++, lpDst += dstPitch, lpSrc += srcPitch)
memcpy (lpDst, lpSrc, Src.Width << 1);
}
else if(GUI.ScreenDepth == 32)
{
const unsigned int dstPitch = Dst.Pitch >> 2;
uint32 *lpDst = reinterpret_cast<uint32 *>(Dst.Surface) + rect->top * dstPitch + rect->left;
for (unsigned int H = 0; H != srcHeight; H++, lpDst += dstPitch, lpSrc += srcPitch)
SingleLine32(lpDst, lpSrc, Src.Width);
}
}
void RenderForced1X( SSurface Src, SSurface Dst, RECT *rect)
{
uint16 *lpSrc;
unsigned int H;
SetRect(rect, SNES_WIDTH, SNES_HEIGHT_EXTENDED, 1);
const uint32 srcHeight = (rect->bottom - rect->top);
const unsigned int srcPitch = Src.Pitch >> 1;
lpSrc = reinterpret_cast<uint16 *>(Src.Surface);
if(GUI.ScreenDepth == 16)
{
const unsigned int dstPitch = Dst.Pitch >> 1;
uint16 *lpDst = reinterpret_cast<uint16 *>(Dst.Surface) + rect->top * dstPitch + rect->left;
if (Src.Height <= SNES_HEIGHT_EXTENDED)
if(Src.Width != 512)
for (H = 0; H != srcHeight; H++, lpDst += dstPitch, lpSrc += srcPitch)
memcpy (lpDst, lpSrc, Src.Width << 1);
else
for (H = 0; H < srcHeight; H++, lpDst += dstPitch, lpSrc += srcPitch)
HalfLine16 (lpDst, lpSrc, Src.Width >> 1);
else
if(Src.Width != 512)
for (H = 0; H != Src.Height; H+=2, lpDst += dstPitch, lpSrc += srcPitch<<1)
memcpy (lpDst, lpSrc, Src.Width << 1);
else
for (H = 0; H < Src.Height >> 1; H++, lpDst += dstPitch, lpSrc += srcPitch<<1)
HalfLine16 (lpDst, lpSrc, Src.Width >> 1);
}
else if(GUI.ScreenDepth == 32)
{
const unsigned int dstPitch = Dst.Pitch >> 2;
uint32 *lpDst = reinterpret_cast<uint32 *>(Dst.Surface) + rect->top * dstPitch + rect->left;
if (Src.Height <= SNES_HEIGHT_EXTENDED)
if(Src.Width != 512)
for (H = 0; H != srcHeight; H++, lpDst += dstPitch, lpSrc += srcPitch)
SingleLine32 (lpDst, lpSrc, Src.Width);
else
for (H = 0; H < srcHeight; H++, lpDst += dstPitch, lpSrc += srcPitch)
HalfLine32 (lpDst, lpSrc, Src.Width >> 1);
else
if(Src.Width != 512)
for (H = 0; H != Src.Height; H+=2, lpDst += dstPitch, lpSrc += srcPitch<<1)
SingleLine32 (lpDst, lpSrc, Src.Width);
else
for (H = 0; H < Src.Height >> 1; H++, lpDst += dstPitch, lpSrc += srcPitch<<1)
HalfLine32 (lpDst, lpSrc, Src.Width >> 1);
}
}
// Enlarge 2x using Fake TV mode when the Snes9x is not rendering in HiRes
// FakeTV mode = a black line between each other line (scanlines)
void RenderFakeTV( SSurface Src, SSurface Dst, RECT *rect)
{
uint16 *lpSrc;
unsigned int H;
SetRect(rect, SNES_WIDTH, SNES_HEIGHT_EXTENDED, 2);
const uint32 srcHeight = (rect->bottom - rect->top)/2;
const unsigned int srcPitch = Src.Pitch >> 1;
lpSrc = reinterpret_cast<uint16 *>(Src.Surface);
if(GUI.ScreenDepth == 16)
{
const unsigned int dstPitch = Dst.Pitch >> 1;
uint16 *lpDst = reinterpret_cast<uint16 *>(Dst.Surface) + rect->top * dstPitch + rect->left;
if(Src.Height <= SNES_HEIGHT_EXTENDED)
if(Src.Width != 512)
for (H = 0; H < srcHeight; H++, lpSrc += srcPitch)
DoubleLine16 (lpDst, lpSrc, Src.Width), lpDst += dstPitch,
memset (lpDst, 0, 512*2), lpDst += dstPitch;
else
for (H = 0; H < srcHeight; H++, lpSrc += srcPitch)
memcpy (lpDst, lpSrc, Src.Width << 1), lpDst += dstPitch,
memset (lpDst, 0, 512*2), lpDst += dstPitch;
else
if(Src.Width != 512)
for (H = 0; H < Src.Height >> 1; H++, lpSrc += srcPitch << 1)
DoubleLine16 (lpDst, lpSrc, Src.Width), lpDst += dstPitch,
memset (lpDst, 0, 512*2), lpDst += dstPitch;
else
for (H = 0; H < Src.Height >> 1; H++, lpSrc += srcPitch << 1)
memcpy (lpDst, lpSrc, Src.Width << 1), lpDst += dstPitch,
memset (lpDst, 0, 512*2), lpDst += dstPitch;
}
else if(GUI.ScreenDepth == 32)
{
const unsigned int dstPitch = Dst.Pitch >> 2;
uint32 *lpDst = reinterpret_cast<uint32 *>(Dst.Surface) + rect->top * dstPitch + rect->left;
if(Src.Height <= SNES_HEIGHT_EXTENDED)
if(Src.Width != 512)
for (H = 0; H < srcHeight; H++, lpSrc += srcPitch)
DoubleLine32 (lpDst, lpSrc, Src.Width), lpDst += dstPitch,
memset (lpDst, 0, 512*4), lpDst += dstPitch;
else
for (H = 0; H < srcHeight; H++, lpSrc += srcPitch)
SingleLine32 (lpDst, lpSrc, Src.Width), lpDst += dstPitch,
memset (lpDst, 0, 512*4), lpDst += dstPitch;
else
if(Src.Width != 512)
for (H = 0; H < Src.Height >> 1; H++, lpSrc += srcPitch << 1)
DoubleLine32 (lpDst, lpSrc, Src.Width), lpDst += dstPitch,
memset (lpDst, 0, 512*4), lpDst += dstPitch;
else
for (H = 0; H < Src.Height >> 1; H++, lpSrc += srcPitch << 1)
SingleLine32 (lpDst, lpSrc, Src.Width), lpDst += dstPitch,
memset (lpDst, 0, 512*4), lpDst += dstPitch;
}
}
void RenderSimple2X( SSurface Src, SSurface Dst, RECT *rect)
{
// just copy if it's high res in both dimensions
if(Src.Height > SNES_HEIGHT_EXTENDED && Src.Width == 512)
{RenderPlain (Src, Dst, rect); return;}
uint16 *lpSrc;
unsigned int H;
SetRect(rect, SNES_WIDTH, SNES_HEIGHT_EXTENDED, 2);
const uint32 srcHeight = (rect->bottom - rect->top)/2;
const unsigned int srcPitch = Src.Pitch >> 1;
lpSrc = reinterpret_cast<uint16 *>(Src.Surface);
if(GUI.ScreenDepth == 16)
{
const unsigned int dstPitch = Dst.Pitch >> 1;
uint16 *lpDst = reinterpret_cast<uint16 *>(Dst.Surface) + rect->top * dstPitch + rect->left;
if (Src.Height <= SNES_HEIGHT_EXTENDED)
if(Src.Width != 512)
for (H = 0; H < srcHeight; H++, lpSrc += srcPitch)
DoubleLine16 (lpDst, lpSrc, Src.Width), lpDst += dstPitch,
DoubleLine16 (lpDst, lpSrc, Src.Width), lpDst += dstPitch;
else
for (H = 0; H < srcHeight; H++, lpSrc += srcPitch)
memcpy (lpDst, lpSrc, Src.Width << 1), lpDst += dstPitch,
memcpy (lpDst, lpSrc, Src.Width << 1), lpDst += dstPitch;
else
for (H = 0; H < Src.Height; H++, lpSrc += srcPitch)
DoubleLine16 (lpDst, lpSrc, Src.Width), lpDst += dstPitch;
}
else if(GUI.ScreenDepth == 32)
{
const unsigned int dstPitch = Dst.Pitch >> 2;
uint32 *lpDst = reinterpret_cast<uint32 *>(Dst.Surface) + rect->top * dstPitch + rect->left;
if (Src.Height <= SNES_HEIGHT_EXTENDED)
if(Src.Width != 512)
for (H = 0; H < srcHeight; H++, lpSrc += srcPitch)
DoubleLine32 (lpDst, lpSrc, Src.Width), lpDst += dstPitch,
DoubleLine32 (lpDst, lpSrc, Src.Width), lpDst += dstPitch;
else
for (H = 0; H < srcHeight; H++, lpSrc += srcPitch)
SingleLine32 (lpDst, lpSrc, Src.Width), lpDst += dstPitch,
SingleLine32 (lpDst, lpSrc, Src.Width), lpDst += dstPitch;
else
for (H = 0; H < Src.Height; H++, lpSrc += srcPitch)
DoubleLine32 (lpDst, lpSrc, Src.Width), lpDst += dstPitch;
}
}
void RenderSuperEagle (SSurface Src, SSurface Dst, RECT *rect)
{
if(Src.Height > SNES_HEIGHT_EXTENDED || Src.Width == 512)
{RenderSimple2X (Src, Dst, rect); return;}
unsigned char *lpSrc, *lpDst;
SetRect(rect, Src.Width, Src.Height, 2);
lpSrc = Src.Surface;
lpDst = Dst.Surface;
lpDst += rect->top * Dst.Pitch + rect->left * 2;
SuperEagle (lpSrc, Src.Pitch,
lpDst, Dst.Pitch, Src.Width, Src.Height);
if (snes9x_clear_change_log)
snes9x_clear_change_log--;
}
void Render2xSaI (SSurface Src, SSurface Dst, RECT *rect)
{
unsigned char *lpSrc, *lpDst;
// If Snes9x is rendering anything in HiRes, then just copy, don't interpolate
if (Src.Height > SNES_HEIGHT_EXTENDED || Src.Width == 512)
{
RenderSimple2X (Src, Dst, rect);
return;
}
SetRect(rect, Src.Width, Src.Height, 2);
lpSrc = Src.Surface;
lpDst = Dst.Surface;
lpDst += rect->top * Dst.Pitch + rect->left * 2;
_2xSaI (lpSrc, Src.Pitch,
lpDst, Dst.Pitch, Src.Width, Src.Height);
if (snes9x_clear_change_log)
snes9x_clear_change_log--;
}
void RenderSuper2xSaI (SSurface Src, SSurface Dst, RECT *rect)
{
if(Src.Height > SNES_HEIGHT_EXTENDED || Src.Width == 512)
{RenderSimple2X (Src, Dst, rect); return;}
unsigned char *lpSrc, *lpDst;
SetRect(rect, Src.Width, Src.Height, 2);
lpSrc = Src.Surface;
lpDst = Dst.Surface;
lpDst += rect->top * Dst.Pitch + rect->left * 2;
Super2xSaI (lpSrc, Src.Pitch,
lpDst, Dst.Pitch, Src.Width, Src.Height);
if (snes9x_clear_change_log)
snes9x_clear_change_log--;
}
void RenderTVMode ( SSurface Src, SSurface Dst, RECT *rect)
{
// XXX: this filter's hi-res support for double-height modes is NYI
if (Src.Height > SNES_HEIGHT_EXTENDED)
{
snes9x_clear_change_log = GUI.NumFlipFrames;
RenderSimple2X (Src, Dst, rect);
return;
}
uint8 *nextLine, *finish;
uint32 colorMask = ~(RGB_LOW_BITS_MASK | (RGB_LOW_BITS_MASK << 16));
uint32 lowPixelMask = RGB_LOW_BITS_MASK;
uint8 *srcPtr = Src.Surface;
uint8 *dstPtr = Dst.Surface;
uint32 srcPitch = Src.Pitch;
uint32 dstPitch = Dst.Pitch;
int width = Src.Width;
int height = Src.Height;
uint8 *deltaPtr = ChangeLog [GUI.FlipCounter % GUI.NumFlipFrames];
SetRect(rect, 256, height, 2);
dstPtr += rect->top * Dst.Pitch + rect->left * 2;
nextLine = dstPtr + dstPitch;