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// Copyright (C) 2003-2009 Dolphin Project.
// 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, version 2.0.
// 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 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official SVN repository and contact information can be found at
// http://code.google.com/p/dolphin-emu/
# include "Common.h"
# include "Tev.h"
# include "EfbInterface.h"
# include "TextureSampler.h"
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# include "SWStatistics.h"
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# include "SWVideoConfig.h"
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# include "DebugUtil.h"
# include <math.h>
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# ifdef _DEBUG
# define ALLOW_TEV_DUMPS 1
# else
# define ALLOW_TEV_DUMPS 0
# endif
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void Tev : : Init ( )
{
FixedConstants [ 0 ] = 0 ;
FixedConstants [ 1 ] = 31 ;
FixedConstants [ 2 ] = 63 ;
FixedConstants [ 3 ] = 95 ;
FixedConstants [ 4 ] = 127 ;
FixedConstants [ 5 ] = 159 ;
FixedConstants [ 6 ] = 191 ;
FixedConstants [ 7 ] = 223 ;
FixedConstants [ 8 ] = 255 ;
for ( int i = 0 ; i < 4 ; i + + )
Zero16 [ i ] = 0 ;
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m_ColorInputLUT [ 0 ] [ RED_INP ] = & Reg [ 0 ] [ RED_C ] ; m_ColorInputLUT [ 0 ] [ GRN_INP ] = & Reg [ 0 ] [ GRN_C ] ; m_ColorInputLUT [ 0 ] [ BLU_INP ] = & Reg [ 0 ] [ BLU_C ] ; // prev.rgb
m_ColorInputLUT [ 1 ] [ RED_INP ] = & Reg [ 0 ] [ ALP_C ] ; m_ColorInputLUT [ 1 ] [ GRN_INP ] = & Reg [ 0 ] [ ALP_C ] ; m_ColorInputLUT [ 1 ] [ BLU_INP ] = & Reg [ 0 ] [ ALP_C ] ; // prev.aaa
m_ColorInputLUT [ 2 ] [ RED_INP ] = & Reg [ 1 ] [ RED_C ] ; m_ColorInputLUT [ 2 ] [ GRN_INP ] = & Reg [ 1 ] [ GRN_C ] ; m_ColorInputLUT [ 2 ] [ BLU_INP ] = & Reg [ 1 ] [ BLU_C ] ; // c0.rgb
m_ColorInputLUT [ 3 ] [ RED_INP ] = & Reg [ 1 ] [ ALP_C ] ; m_ColorInputLUT [ 3 ] [ GRN_INP ] = & Reg [ 1 ] [ ALP_C ] ; m_ColorInputLUT [ 3 ] [ BLU_INP ] = & Reg [ 1 ] [ ALP_C ] ; // c0.aaa
m_ColorInputLUT [ 4 ] [ RED_INP ] = & Reg [ 2 ] [ RED_C ] ; m_ColorInputLUT [ 4 ] [ GRN_INP ] = & Reg [ 2 ] [ GRN_C ] ; m_ColorInputLUT [ 4 ] [ BLU_INP ] = & Reg [ 2 ] [ BLU_C ] ; // c1.rgb
m_ColorInputLUT [ 5 ] [ RED_INP ] = & Reg [ 2 ] [ ALP_C ] ; m_ColorInputLUT [ 5 ] [ GRN_INP ] = & Reg [ 2 ] [ ALP_C ] ; m_ColorInputLUT [ 5 ] [ BLU_INP ] = & Reg [ 2 ] [ ALP_C ] ; // c1.aaa
m_ColorInputLUT [ 6 ] [ RED_INP ] = & Reg [ 3 ] [ RED_C ] ; m_ColorInputLUT [ 6 ] [ GRN_INP ] = & Reg [ 3 ] [ GRN_C ] ; m_ColorInputLUT [ 6 ] [ BLU_INP ] = & Reg [ 3 ] [ BLU_C ] ; // c2.rgb
m_ColorInputLUT [ 7 ] [ RED_INP ] = & Reg [ 3 ] [ ALP_C ] ; m_ColorInputLUT [ 7 ] [ GRN_INP ] = & Reg [ 3 ] [ ALP_C ] ; m_ColorInputLUT [ 7 ] [ BLU_INP ] = & Reg [ 3 ] [ ALP_C ] ; // c2.aaa
m_ColorInputLUT [ 8 ] [ RED_INP ] = & TexColor [ RED_C ] ; m_ColorInputLUT [ 8 ] [ GRN_INP ] = & TexColor [ GRN_C ] ; m_ColorInputLUT [ 8 ] [ BLU_INP ] = & TexColor [ BLU_C ] ; // tex.rgb
m_ColorInputLUT [ 9 ] [ RED_INP ] = & TexColor [ ALP_C ] ; m_ColorInputLUT [ 9 ] [ GRN_INP ] = & TexColor [ ALP_C ] ; m_ColorInputLUT [ 9 ] [ BLU_INP ] = & TexColor [ ALP_C ] ; // tex.aaa
m_ColorInputLUT [ 10 ] [ RED_INP ] = & RasColor [ RED_C ] ; m_ColorInputLUT [ 10 ] [ GRN_INP ] = & RasColor [ GRN_C ] ; m_ColorInputLUT [ 10 ] [ BLU_INP ] = & RasColor [ BLU_C ] ; // ras.rgb
m_ColorInputLUT [ 11 ] [ RED_INP ] = & RasColor [ ALP_C ] ; m_ColorInputLUT [ 11 ] [ GRN_INP ] = & RasColor [ ALP_C ] ; m_ColorInputLUT [ 11 ] [ BLU_INP ] = & RasColor [ ALP_C ] ; // ras.rgb
m_ColorInputLUT [ 12 ] [ RED_INP ] = & FixedConstants [ 8 ] ; m_ColorInputLUT [ 12 ] [ GRN_INP ] = & FixedConstants [ 8 ] ; m_ColorInputLUT [ 12 ] [ BLU_INP ] = & FixedConstants [ 8 ] ; // one
m_ColorInputLUT [ 13 ] [ RED_INP ] = & FixedConstants [ 4 ] ; m_ColorInputLUT [ 13 ] [ GRN_INP ] = & FixedConstants [ 4 ] ; m_ColorInputLUT [ 13 ] [ BLU_INP ] = & FixedConstants [ 4 ] ; // half
m_ColorInputLUT [ 14 ] [ RED_INP ] = & StageKonst [ RED_C ] ; m_ColorInputLUT [ 14 ] [ GRN_INP ] = & StageKonst [ GRN_C ] ; m_ColorInputLUT [ 14 ] [ BLU_INP ] = & StageKonst [ BLU_C ] ; // konst
m_ColorInputLUT [ 15 ] [ RED_INP ] = & FixedConstants [ 0 ] ; m_ColorInputLUT [ 15 ] [ GRN_INP ] = & FixedConstants [ 0 ] ; m_ColorInputLUT [ 15 ] [ BLU_INP ] = & FixedConstants [ 0 ] ; // zero
m_AlphaInputLUT [ 0 ] = Reg [ 0 ] ; // prev
m_AlphaInputLUT [ 1 ] = Reg [ 1 ] ; // c0
m_AlphaInputLUT [ 2 ] = Reg [ 2 ] ; // c1
m_AlphaInputLUT [ 3 ] = Reg [ 3 ] ; // c2
m_AlphaInputLUT [ 4 ] = TexColor ; // tex
m_AlphaInputLUT [ 5 ] = RasColor ; // ras
m_AlphaInputLUT [ 6 ] = StageKonst ; // konst
m_AlphaInputLUT [ 7 ] = Zero16 ; // zero
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for ( int comp = 0 ; comp < 4 ; comp + + )
{
m_KonstLUT [ 0 ] [ comp ] = & FixedConstants [ 8 ] ;
m_KonstLUT [ 1 ] [ comp ] = & FixedConstants [ 7 ] ;
m_KonstLUT [ 2 ] [ comp ] = & FixedConstants [ 6 ] ;
m_KonstLUT [ 3 ] [ comp ] = & FixedConstants [ 5 ] ;
m_KonstLUT [ 4 ] [ comp ] = & FixedConstants [ 4 ] ;
m_KonstLUT [ 5 ] [ comp ] = & FixedConstants [ 3 ] ;
m_KonstLUT [ 6 ] [ comp ] = & FixedConstants [ 2 ] ;
m_KonstLUT [ 7 ] [ comp ] = & FixedConstants [ 1 ] ;
m_KonstLUT [ 12 ] [ comp ] = & KonstantColors [ 0 ] [ comp ] ;
m_KonstLUT [ 13 ] [ comp ] = & KonstantColors [ 1 ] [ comp ] ;
m_KonstLUT [ 14 ] [ comp ] = & KonstantColors [ 2 ] [ comp ] ;
m_KonstLUT [ 15 ] [ comp ] = & KonstantColors [ 3 ] [ comp ] ;
m_KonstLUT [ 16 ] [ comp ] = & KonstantColors [ 0 ] [ RED_C ] ;
m_KonstLUT [ 17 ] [ comp ] = & KonstantColors [ 1 ] [ RED_C ] ;
m_KonstLUT [ 18 ] [ comp ] = & KonstantColors [ 2 ] [ RED_C ] ;
m_KonstLUT [ 19 ] [ comp ] = & KonstantColors [ 3 ] [ RED_C ] ;
m_KonstLUT [ 20 ] [ comp ] = & KonstantColors [ 0 ] [ GRN_C ] ;
m_KonstLUT [ 21 ] [ comp ] = & KonstantColors [ 1 ] [ GRN_C ] ;
m_KonstLUT [ 22 ] [ comp ] = & KonstantColors [ 2 ] [ GRN_C ] ;
m_KonstLUT [ 23 ] [ comp ] = & KonstantColors [ 3 ] [ GRN_C ] ;
m_KonstLUT [ 24 ] [ comp ] = & KonstantColors [ 0 ] [ BLU_C ] ;
m_KonstLUT [ 25 ] [ comp ] = & KonstantColors [ 1 ] [ BLU_C ] ;
m_KonstLUT [ 26 ] [ comp ] = & KonstantColors [ 2 ] [ BLU_C ] ;
m_KonstLUT [ 27 ] [ comp ] = & KonstantColors [ 3 ] [ BLU_C ] ;
m_KonstLUT [ 28 ] [ comp ] = & KonstantColors [ 0 ] [ ALP_C ] ;
m_KonstLUT [ 29 ] [ comp ] = & KonstantColors [ 1 ] [ ALP_C ] ;
m_KonstLUT [ 30 ] [ comp ] = & KonstantColors [ 2 ] [ ALP_C ] ;
m_KonstLUT [ 31 ] [ comp ] = & KonstantColors [ 3 ] [ ALP_C ] ;
}
m_BiasLUT [ 0 ] = 0 ;
m_BiasLUT [ 1 ] = 128 ;
m_BiasLUT [ 2 ] = - 128 ;
m_BiasLUT [ 3 ] = 0 ;
m_ScaleLShiftLUT [ 0 ] = 0 ;
m_ScaleLShiftLUT [ 1 ] = 1 ;
m_ScaleLShiftLUT [ 2 ] = 2 ;
m_ScaleLShiftLUT [ 3 ] = 0 ;
m_ScaleRShiftLUT [ 0 ] = 0 ;
m_ScaleRShiftLUT [ 1 ] = 0 ;
m_ScaleRShiftLUT [ 2 ] = 0 ;
m_ScaleRShiftLUT [ 3 ] = 1 ;
}
inline s16 Clamp255 ( s16 in )
{
return in > 255 ? 255 : ( in < 0 ? 0 : in ) ;
}
inline s16 Clamp1024 ( s16 in )
{
return in > 1023 ? 1023 : ( in < - 1024 ? - 1024 : in ) ;
}
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void Tev : : SetRasColor ( int colorChan , int swaptable )
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{
switch ( colorChan )
{
case 0 : // Color0
{
u8 * color = Color [ 0 ] ;
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RasColor [ RED_C ] = color [ bpmem . tevksel [ swaptable ] . swap1 ] ;
RasColor [ GRN_C ] = color [ bpmem . tevksel [ swaptable ] . swap2 ] ;
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swaptable + + ;
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RasColor [ BLU_C ] = color [ bpmem . tevksel [ swaptable ] . swap1 ] ;
RasColor [ ALP_C ] = color [ bpmem . tevksel [ swaptable ] . swap2 ] ;
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}
break ;
case 1 : // Color1
{
u8 * color = Color [ 1 ] ;
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RasColor [ RED_C ] = color [ bpmem . tevksel [ swaptable ] . swap1 ] ;
RasColor [ GRN_C ] = color [ bpmem . tevksel [ swaptable ] . swap2 ] ;
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swaptable + + ;
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RasColor [ BLU_C ] = color [ bpmem . tevksel [ swaptable ] . swap1 ] ;
RasColor [ ALP_C ] = color [ bpmem . tevksel [ swaptable ] . swap2 ] ;
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}
break ;
case 5 : // alpha bump
{
for ( int i = 0 ; i < 4 ; i + + )
RasColor [ i ] = AlphaBump ;
}
break ;
case 6 : // alpha bump normalized
{
u8 normalized = AlphaBump | AlphaBump > > 5 ;
for ( int i = 0 ; i < 4 ; i + + )
RasColor [ i ] = normalized ;
}
break ;
default : // zero
{
for ( int i = 0 ; i < 4 ; i + + )
RasColor [ i ] = 0 ;
}
break ;
}
}
void Tev : : DrawColorRegular ( TevStageCombiner : : ColorCombiner & cc )
{
InputRegType InputReg ;
for ( int i = 0 ; i < 3 ; i + + )
{
InputReg . a = * m_ColorInputLUT [ cc . a ] [ i ] ;
InputReg . b = * m_ColorInputLUT [ cc . b ] [ i ] ;
InputReg . c = * m_ColorInputLUT [ cc . c ] [ i ] ;
InputReg . d = * m_ColorInputLUT [ cc . d ] [ i ] ;
u16 c = InputReg . c + ( InputReg . c > > 7 ) ;
s32 temp = InputReg . a * ( 256 - c ) + ( InputReg . b * c ) ;
temp = cc . op ? ( - temp > > 8 ) : ( temp > > 8 ) ;
s32 result = InputReg . d + temp + m_BiasLUT [ cc . bias ] ;
result = result < < m_ScaleLShiftLUT [ cc . shift ] ;
result = result > > m_ScaleRShiftLUT [ cc . shift ] ;
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Reg [ cc . dest ] [ BLU_C + i ] = result ;
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}
}
void Tev : : DrawColorCompare ( TevStageCombiner : : ColorCombiner & cc )
{
int cmp = ( cc . shift < < 1 ) | cc . op | 8 ; // comparemode stored here
u32 a ;
u32 b ;
InputRegType InputReg ;
switch ( cmp ) {
case TEVCMP_R8_GT :
{
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a = * m_ColorInputLUT [ cc . a ] [ RED_INP ] & 0xff ;
b = * m_ColorInputLUT [ cc . b ] [ RED_INP ] & 0xff ;
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for ( int i = 0 ; i < 3 ; i + + )
{
InputReg . c = * m_ColorInputLUT [ cc . c ] [ i ] ;
InputReg . d = * m_ColorInputLUT [ cc . d ] [ i ] ;
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Reg [ cc . dest ] [ BLU_C + i ] = InputReg . d + ( ( a > b ) ? InputReg . c : 0 ) ;
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}
}
break ;
case TEVCMP_R8_EQ :
{
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a = * m_ColorInputLUT [ cc . a ] [ RED_INP ] & 0xff ;
b = * m_ColorInputLUT [ cc . b ] [ RED_INP ] & 0xff ;
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for ( int i = 0 ; i < 3 ; i + + )
{
InputReg . c = * m_ColorInputLUT [ cc . c ] [ i ] ;
InputReg . d = * m_ColorInputLUT [ cc . d ] [ i ] ;
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Reg [ cc . dest ] [ BLU_C + i ] = InputReg . d + ( ( a = = b ) ? InputReg . c : 0 ) ;
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}
}
break ;
case TEVCMP_GR16_GT :
{
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a = ( ( * m_ColorInputLUT [ cc . a ] [ GRN_INP ] & 0xff ) < < 8 ) | ( * m_ColorInputLUT [ cc . a ] [ RED_INP ] & 0xff ) ;
b = ( ( * m_ColorInputLUT [ cc . b ] [ GRN_INP ] & 0xff ) < < 8 ) | ( * m_ColorInputLUT [ cc . b ] [ RED_INP ] & 0xff ) ;
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for ( int i = 0 ; i < 3 ; i + + )
{
InputReg . c = * m_ColorInputLUT [ cc . c ] [ i ] ;
InputReg . d = * m_ColorInputLUT [ cc . d ] [ i ] ;
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Reg [ cc . dest ] [ BLU_C + i ] = InputReg . d + ( ( a > b ) ? InputReg . c : 0 ) ;
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}
}
break ;
case TEVCMP_GR16_EQ :
{
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a = ( ( * m_ColorInputLUT [ cc . a ] [ GRN_C ] & 0xff ) < < 8 ) | ( * m_ColorInputLUT [ cc . a ] [ RED_INP ] & 0xff ) ;
b = ( ( * m_ColorInputLUT [ cc . b ] [ GRN_C ] & 0xff ) < < 8 ) | ( * m_ColorInputLUT [ cc . b ] [ RED_INP ] & 0xff ) ;
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for ( int i = 0 ; i < 3 ; i + + )
{
InputReg . c = * m_ColorInputLUT [ cc . c ] [ i ] ;
InputReg . d = * m_ColorInputLUT [ cc . d ] [ i ] ;
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Reg [ cc . dest ] [ BLU_C + i ] = InputReg . d + ( ( a = = b ) ? InputReg . c : 0 ) ;
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}
}
break ;
case TEVCMP_BGR24_GT :
{
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a = ( ( * m_ColorInputLUT [ cc . a ] [ BLU_C ] & 0xff ) < < 16 ) | ( ( * m_ColorInputLUT [ cc . a ] [ GRN_C ] & 0xff ) < < 8 ) | ( * m_ColorInputLUT [ cc . a ] [ RED_INP ] & 0xff ) ;
b = ( ( * m_ColorInputLUT [ cc . b ] [ BLU_C ] & 0xff ) < < 16 ) | ( ( * m_ColorInputLUT [ cc . b ] [ GRN_C ] & 0xff ) < < 8 ) | ( * m_ColorInputLUT [ cc . b ] [ RED_INP ] & 0xff ) ;
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for ( int i = 0 ; i < 3 ; i + + )
{
InputReg . c = * m_ColorInputLUT [ cc . c ] [ i ] ;
InputReg . d = * m_ColorInputLUT [ cc . d ] [ i ] ;
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Reg [ cc . dest ] [ BLU_C + i ] = InputReg . d + ( ( a > b ) ? InputReg . c : 0 ) ;
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}
}
break ;
case TEVCMP_BGR24_EQ :
{
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a = ( ( * m_ColorInputLUT [ cc . a ] [ BLU_C ] & 0xff ) < < 16 ) | ( ( * m_ColorInputLUT [ cc . a ] [ GRN_C ] & 0xff ) < < 8 ) | ( * m_ColorInputLUT [ cc . a ] [ RED_INP ] & 0xff ) ;
b = ( ( * m_ColorInputLUT [ cc . b ] [ BLU_C ] & 0xff ) < < 16 ) | ( ( * m_ColorInputLUT [ cc . b ] [ GRN_C ] & 0xff ) < < 8 ) | ( * m_ColorInputLUT [ cc . b ] [ RED_INP ] & 0xff ) ;
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for ( int i = 0 ; i < 3 ; i + + )
{
InputReg . c = * m_ColorInputLUT [ cc . c ] [ i ] ;
InputReg . d = * m_ColorInputLUT [ cc . d ] [ i ] ;
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Reg [ cc . dest ] [ BLU_C + i ] = InputReg . d + ( ( a = = b ) ? InputReg . c : 0 ) ;
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}
}
break ;
case TEVCMP_RGB8_GT :
for ( int i = 0 ; i < 3 ; i + + )
{
InputReg . a = * m_ColorInputLUT [ cc . a ] [ i ] ;
InputReg . b = * m_ColorInputLUT [ cc . b ] [ i ] ;
InputReg . c = * m_ColorInputLUT [ cc . c ] [ i ] ;
InputReg . d = * m_ColorInputLUT [ cc . d ] [ i ] ;
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Reg [ cc . dest ] [ BLU_C + i ] = InputReg . d + ( ( InputReg . a > InputReg . b ) ? InputReg . c : 0 ) ;
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}
break ;
case TEVCMP_RGB8_EQ :
for ( int i = 0 ; i < 3 ; i + + )
{
InputReg . a = * m_ColorInputLUT [ cc . a ] [ i ] ;
InputReg . b = * m_ColorInputLUT [ cc . b ] [ i ] ;
InputReg . c = * m_ColorInputLUT [ cc . c ] [ i ] ;
InputReg . d = * m_ColorInputLUT [ cc . d ] [ i ] ;
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Reg [ cc . dest ] [ BLU_C + i ] = InputReg . d + ( ( InputReg . a = = InputReg . b ) ? InputReg . c : 0 ) ;
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}
break ;
}
}
void Tev : : DrawAlphaRegular ( TevStageCombiner : : AlphaCombiner & ac )
{
InputRegType InputReg ;
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InputReg . a = m_AlphaInputLUT [ ac . a ] [ ALP_C ] ;
InputReg . b = m_AlphaInputLUT [ ac . b ] [ ALP_C ] ;
InputReg . c = m_AlphaInputLUT [ ac . c ] [ ALP_C ] ;
InputReg . d = m_AlphaInputLUT [ ac . d ] [ ALP_C ] ;
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u16 c = InputReg . c + ( InputReg . c > > 7 ) ;
s32 temp = InputReg . a * ( 256 - c ) + ( InputReg . b * c ) ;
temp = ac . op ? ( - temp > > 8 ) : ( temp > > 8 ) ;
s32 result = InputReg . d + temp + m_BiasLUT [ ac . bias ] ;
result = result < < m_ScaleLShiftLUT [ ac . shift ] ;
result = result > > m_ScaleRShiftLUT [ ac . shift ] ;
Reg [ ac . dest ] [ ALP_C ] = result ;
}
void Tev : : DrawAlphaCompare ( TevStageCombiner : : AlphaCombiner & ac )
{
int cmp = ( ac . shift < < 1 ) | ac . op | 8 ; // comparemode stored here
u32 a ;
u32 b ;
InputRegType InputReg ;
switch ( cmp ) {
case TEVCMP_R8_GT :
{
a = m_AlphaInputLUT [ ac . a ] [ RED_C ] & 0xff ;
b = m_AlphaInputLUT [ ac . b ] [ RED_C ] & 0xff ;
InputReg . c = m_AlphaInputLUT [ ac . c ] [ ALP_C ] ;
InputReg . d = m_AlphaInputLUT [ ac . d ] [ ALP_C ] ;
Reg [ ac . dest ] [ ALP_C ] = InputReg . d + ( ( a > b ) ? InputReg . c : 0 ) ;
}
break ;
case TEVCMP_R8_EQ :
{
a = m_AlphaInputLUT [ ac . a ] [ RED_C ] & 0xff ;
b = m_AlphaInputLUT [ ac . b ] [ RED_C ] & 0xff ;
InputReg . c = m_AlphaInputLUT [ ac . c ] [ ALP_C ] ;
InputReg . d = m_AlphaInputLUT [ ac . d ] [ ALP_C ] ;
Reg [ ac . dest ] [ ALP_C ] = InputReg . d + ( ( a = = b ) ? InputReg . c : 0 ) ;
}
break ;
case TEVCMP_GR16_GT :
{
a = ( ( m_AlphaInputLUT [ ac . a ] [ GRN_C ] & 0xff ) < < 8 ) | ( m_AlphaInputLUT [ ac . a ] [ RED_C ] & 0xff ) ;
b = ( ( m_AlphaInputLUT [ ac . b ] [ GRN_C ] & 0xff ) < < 8 ) | ( m_AlphaInputLUT [ ac . b ] [ RED_C ] & 0xff ) ;
InputReg . c = m_AlphaInputLUT [ ac . c ] [ ALP_C ] ;
InputReg . d = m_AlphaInputLUT [ ac . d ] [ ALP_C ] ;
Reg [ ac . dest ] [ ALP_C ] = InputReg . d + ( ( a > b ) ? InputReg . c : 0 ) ;
}
break ;
case TEVCMP_GR16_EQ :
{
a = ( ( m_AlphaInputLUT [ ac . a ] [ GRN_C ] & 0xff ) < < 8 ) | ( m_AlphaInputLUT [ ac . a ] [ RED_C ] & 0xff ) ;
b = ( ( m_AlphaInputLUT [ ac . b ] [ GRN_C ] & 0xff ) < < 8 ) | ( m_AlphaInputLUT [ ac . b ] [ RED_C ] & 0xff ) ;
InputReg . c = m_AlphaInputLUT [ ac . c ] [ ALP_C ] ;
InputReg . d = m_AlphaInputLUT [ ac . d ] [ ALP_C ] ;
Reg [ ac . dest ] [ ALP_C ] = InputReg . d + ( ( a = = b ) ? InputReg . c : 0 ) ;
}
break ;
case TEVCMP_BGR24_GT :
{
a = ( ( m_AlphaInputLUT [ ac . a ] [ BLU_C ] & 0xff ) < < 16 ) | ( ( m_AlphaInputLUT [ ac . a ] [ GRN_C ] & 0xff ) < < 8 ) | ( m_AlphaInputLUT [ ac . a ] [ RED_C ] & 0xff ) ;
b = ( ( m_AlphaInputLUT [ ac . b ] [ BLU_C ] & 0xff ) < < 16 ) | ( ( m_AlphaInputLUT [ ac . b ] [ GRN_C ] & 0xff ) < < 8 ) | ( m_AlphaInputLUT [ ac . b ] [ RED_C ] & 0xff ) ;
InputReg . c = m_AlphaInputLUT [ ac . c ] [ ALP_C ] ;
InputReg . d = m_AlphaInputLUT [ ac . d ] [ ALP_C ] ;
Reg [ ac . dest ] [ ALP_C ] = InputReg . d + ( ( a > b ) ? InputReg . c : 0 ) ;
}
break ;
case TEVCMP_BGR24_EQ :
{
a = ( ( m_AlphaInputLUT [ ac . a ] [ BLU_C ] & 0xff ) < < 16 ) | ( ( m_AlphaInputLUT [ ac . a ] [ GRN_C ] & 0xff ) < < 8 ) | ( m_AlphaInputLUT [ ac . a ] [ RED_C ] & 0xff ) ;
b = ( ( m_AlphaInputLUT [ ac . b ] [ BLU_C ] & 0xff ) < < 16 ) | ( ( m_AlphaInputLUT [ ac . b ] [ GRN_C ] & 0xff ) < < 8 ) | ( m_AlphaInputLUT [ ac . b ] [ RED_C ] & 0xff ) ;
InputReg . c = m_AlphaInputLUT [ ac . c ] [ ALP_C ] ;
InputReg . d = m_AlphaInputLUT [ ac . d ] [ ALP_C ] ;
Reg [ ac . dest ] [ ALP_C ] = InputReg . d + ( ( a = = b ) ? InputReg . c : 0 ) ;
}
break ;
case TEVCMP_A8_GT :
{
InputReg . a = m_AlphaInputLUT [ ac . a ] [ ALP_C ] ;
InputReg . b = m_AlphaInputLUT [ ac . b ] [ ALP_C ] ;
InputReg . c = m_AlphaInputLUT [ ac . c ] [ ALP_C ] ;
InputReg . d = m_AlphaInputLUT [ ac . d ] [ ALP_C ] ;
Reg [ ac . dest ] [ ALP_C ] = InputReg . d + ( ( InputReg . a > InputReg . b ) ? InputReg . c : 0 ) ;
}
break ;
case TEVCMP_A8_EQ :
{
InputReg . a = m_AlphaInputLUT [ ac . a ] [ ALP_C ] ;
InputReg . b = m_AlphaInputLUT [ ac . b ] [ ALP_C ] ;
InputReg . c = m_AlphaInputLUT [ ac . c ] [ ALP_C ] ;
InputReg . d = m_AlphaInputLUT [ ac . d ] [ ALP_C ] ;
Reg [ ac . dest ] [ ALP_C ] = InputReg . d + ( ( InputReg . a = = InputReg . b ) ? InputReg . c : 0 ) ;
}
break ;
}
}
static bool AlphaCompare ( int alpha , int ref , int comp )
{
switch ( comp ) {
case ALPHACMP_ALWAYS : return true ;
case ALPHACMP_NEVER : return false ;
case ALPHACMP_LEQUAL : return alpha < = ref ;
case ALPHACMP_LESS : return alpha < ref ;
case ALPHACMP_GEQUAL : return alpha > = ref ;
case ALPHACMP_GREATER : return alpha > ref ;
case ALPHACMP_EQUAL : return alpha = = ref ;
case ALPHACMP_NEQUAL : return alpha ! = ref ;
}
return true ;
}
static bool AlphaTest ( int alpha )
{
bool comp0 = AlphaCompare ( alpha , bpmem . alphaFunc . ref0 , bpmem . alphaFunc . comp0 ) ;
bool comp1 = AlphaCompare ( alpha , bpmem . alphaFunc . ref1 , bpmem . alphaFunc . comp1 ) ;
switch ( bpmem . alphaFunc . logic ) {
case 0 : return comp0 & & comp1 ; // and
case 1 : return comp0 | | comp1 ; // or
case 2 : return comp0 ^ comp1 ; // xor
case 3 : return ! ( comp0 ^ comp1 ) ; // xnor
}
return true ;
}
inline s32 WrapIndirectCoord ( s32 coord , int wrapMode )
{
switch ( wrapMode ) {
case ITW_OFF :
return coord ;
case ITW_256 :
return ( coord % ( 256 < < 7 ) ) ;
case ITW_128 :
return ( coord % ( 128 < < 7 ) ) ;
case ITW_64 :
return ( coord % ( 64 < < 7 ) ) ;
case ITW_32 :
return ( coord % ( 32 < < 7 ) ) ;
case ITW_16 :
return ( coord % ( 16 < < 7 ) ) ;
case ITW_0 :
return 0 ;
}
return 0 ;
}
void Tev : : Indirect ( unsigned int stageNum , s32 s , s32 t )
{
TevStageIndirect & indirect = bpmem . tevind [ stageNum ] ;
u8 * indmap = IndirectTex [ indirect . bt ] ;
s32 indcoord [ 3 ] ;
// alpha bump select
switch ( indirect . bs ) {
case ITBA_OFF :
AlphaBump = 0 ;
break ;
case ITBA_S :
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AlphaBump = indmap [ TextureSampler : : ALP_SMP ] ;
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break ;
case ITBA_T :
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AlphaBump = indmap [ TextureSampler : : BLU_SMP ] ;
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break ;
case ITBA_U :
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AlphaBump = indmap [ TextureSampler : : GRN_SMP ] ;
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break ;
}
// bias select
s16 biasValue = indirect . fmt = = ITF_8 ? - 128 : 1 ;
s16 bias [ 3 ] ;
bias [ 0 ] = indirect . bias & 1 ? biasValue : 0 ;
bias [ 1 ] = indirect . bias & 2 ? biasValue : 0 ;
bias [ 2 ] = indirect . bias & 4 ? biasValue : 0 ;
// format
switch ( indirect . fmt ) {
case ITF_8 :
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indcoord [ 0 ] = indmap [ TextureSampler : : ALP_SMP ] + bias [ 0 ] ;
indcoord [ 1 ] = indmap [ TextureSampler : : BLU_SMP ] + bias [ 1 ] ;
indcoord [ 2 ] = indmap [ TextureSampler : : GRN_SMP ] + bias [ 2 ] ;
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AlphaBump = AlphaBump & 0xf8 ;
break ;
case ITF_5 :
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indcoord [ 0 ] = ( indmap [ TextureSampler : : ALP_SMP ] & 0x1f ) + bias [ 0 ] ;
indcoord [ 1 ] = ( indmap [ TextureSampler : : BLU_SMP ] & 0x1f ) + bias [ 1 ] ;
indcoord [ 2 ] = ( indmap [ TextureSampler : : GRN_SMP ] & 0x1f ) + bias [ 2 ] ;
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AlphaBump = AlphaBump & 0xe0 ;
break ;
case ITF_4 :
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indcoord [ 0 ] = ( indmap [ TextureSampler : : ALP_SMP ] & 0x0f ) + bias [ 0 ] ;
indcoord [ 1 ] = ( indmap [ TextureSampler : : BLU_SMP ] & 0x0f ) + bias [ 1 ] ;
indcoord [ 2 ] = ( indmap [ TextureSampler : : GRN_SMP ] & 0x0f ) + bias [ 2 ] ;
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AlphaBump = AlphaBump & 0xf0 ;
break ;
case ITF_3 :
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indcoord [ 0 ] = ( indmap [ TextureSampler : : ALP_SMP ] & 0x07 ) + bias [ 0 ] ;
indcoord [ 1 ] = ( indmap [ TextureSampler : : BLU_SMP ] & 0x07 ) + bias [ 1 ] ;
indcoord [ 2 ] = ( indmap [ TextureSampler : : GRN_SMP ] & 0x07 ) + bias [ 2 ] ;
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AlphaBump = AlphaBump & 0xf8 ;
break ;
default :
PanicAlert ( " Tev::Indirect " ) ;
return ;
}
s64 indtevtrans [ 2 ] = { 0 , 0 } ;
// matrix multiply
int indmtxid = indirect . mid & 3 ;
if ( indmtxid )
{
IND_MTX & indmtx = bpmem . indmtx [ indmtxid - 1 ] ;
int scale = ( ( u32 ) indmtx . col0 . s0 < < 0 ) |
( ( u32 ) indmtx . col1 . s1 < < 2 ) |
( ( u32 ) indmtx . col2 . s2 < < 4 ) ;
int shift ;
switch ( indirect . mid & 12 ) {
case 0 :
shift = 3 + ( 17 - scale ) ;
indtevtrans [ 0 ] = indmtx . col0 . ma * indcoord [ 0 ] + indmtx . col1 . mc * indcoord [ 1 ] + indmtx . col2 . me * indcoord [ 2 ] ;
indtevtrans [ 1 ] = indmtx . col0 . mb * indcoord [ 0 ] + indmtx . col1 . md * indcoord [ 1 ] + indmtx . col2 . mf * indcoord [ 2 ] ;
break ;
case 4 : // s matrix
shift = 8 + ( 17 - scale ) ;
indtevtrans [ 0 ] = s * indcoord [ 0 ] ;
indtevtrans [ 1 ] = t * indcoord [ 0 ] ;
break ;
case 8 : // t matrix
shift = 8 + ( 17 - scale ) ;
indtevtrans [ 0 ] = s * indcoord [ 1 ] ;
indtevtrans [ 1 ] = t * indcoord [ 1 ] ;
break ;
default :
return ;
}
indtevtrans [ 0 ] = shift > = 0 ? indtevtrans [ 0 ] > > shift : indtevtrans [ 0 ] < < - shift ;
indtevtrans [ 1 ] = shift > = 0 ? indtevtrans [ 1 ] > > shift : indtevtrans [ 1 ] < < - shift ;
}
if ( indirect . fb_addprev )
{
TexCoord . s + = ( int ) ( WrapIndirectCoord ( s , indirect . sw ) + indtevtrans [ 0 ] ) ;
TexCoord . t + = ( int ) ( WrapIndirectCoord ( t , indirect . tw ) + indtevtrans [ 1 ] ) ;
}
else
{
TexCoord . s = ( int ) ( WrapIndirectCoord ( s , indirect . sw ) + indtevtrans [ 0 ] ) ;
TexCoord . t = ( int ) ( WrapIndirectCoord ( t , indirect . tw ) + indtevtrans [ 1 ] ) ;
}
}
void Tev : : Draw ( )
{
_assert_ ( Position [ 0 ] > = 0 & & Position [ 0 ] < EFB_WIDTH ) ;
_assert_ ( Position [ 1 ] > = 0 & & Position [ 1 ] < EFB_HEIGHT ) ;
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INCSTAT ( swstats . thisFrame . tevPixelsIn ) ;
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for ( unsigned int stageNum = 0 ; stageNum < bpmem . genMode . numindstages ; stageNum + + )
{
int stageNum2 = stageNum > > 1 ;
int stageOdd = stageNum & 1 ;
u32 texcoordSel = bpmem . tevindref . getTexCoord ( stageNum ) ;
u32 texmap = bpmem . tevindref . getTexMap ( stageNum ) ;
const TEXSCALE & texscale = bpmem . texscale [ stageNum2 ] ;
s32 scaleS = stageOdd ? texscale . ss1 : texscale . ss0 ;
s32 scaleT = stageOdd ? texscale . ts1 : texscale . ts0 ;
TextureSampler : : Sample ( Uv [ texcoordSel ] . s > > scaleS , Uv [ texcoordSel ] . t > > scaleT ,
IndirectLod [ stageNum ] , IndirectLinear [ stageNum ] , texmap , IndirectTex [ stageNum ] ) ;
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# if ALLOW_TEV_DUMPS
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if ( g_SWVideoConfig . bDumpTevStages )
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{
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u8 stage [ 4 ] = { IndirectTex [ stageNum ] [ TextureSampler : : ALP_SMP ] ,
IndirectTex [ stageNum ] [ TextureSampler : : BLU_SMP ] ,
IndirectTex [ stageNum ] [ TextureSampler : : GRN_SMP ] ,
255 } ;
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DebugUtil : : DrawTempBuffer ( stage , INDIRECT + stageNum ) ;
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}
# endif
}
for ( unsigned int stageNum = 0 ; stageNum < = bpmem . genMode . numtevstages ; stageNum + + )
{
int stageNum2 = stageNum > > 1 ;
int stageOdd = stageNum & 1 ;
TwoTevStageOrders & order = bpmem . tevorders [ stageNum2 ] ;
TevKSel & kSel = bpmem . tevksel [ stageNum2 ] ;
// stage combiners
TevStageCombiner : : ColorCombiner & cc = bpmem . combiners [ stageNum ] . colorC ;
TevStageCombiner : : AlphaCombiner & ac = bpmem . combiners [ stageNum ] . alphaC ;
int texcoordSel = order . getTexCoord ( stageOdd ) ;
int texmap = order . getTexMap ( stageOdd ) ;
Indirect ( stageNum , Uv [ texcoordSel ] . s , Uv [ texcoordSel ] . t ) ;
// sample texture
if ( order . getEnable ( stageOdd ) )
{
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// RGBA
u8 texel [ 4 ] ;
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TextureSampler : : Sample ( TexCoord . s , TexCoord . t , TextureLod [ stageNum ] , TextureLinear [ stageNum ] , texmap , texel ) ;
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# if ALLOW_TEV_DUMPS
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if ( g_SWVideoConfig . bDumpTevTextureFetches )
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DebugUtil : : DrawTempBuffer ( texel , DIRECT_TFETCH + stageNum ) ;
# endif
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int swaptable = ac . tswap * 2 ;
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TexColor [ RED_C ] = texel [ bpmem . tevksel [ swaptable ] . swap1 ] ;
TexColor [ GRN_C ] = texel [ bpmem . tevksel [ swaptable ] . swap2 ] ;
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swaptable + + ;
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TexColor [ BLU_C ] = texel [ bpmem . tevksel [ swaptable ] . swap1 ] ;
TexColor [ ALP_C ] = texel [ bpmem . tevksel [ swaptable ] . swap2 ] ;
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}
// set konst for this stage
int kc = kSel . getKC ( stageOdd ) ;
int ka = kSel . getKA ( stageOdd ) ;
StageKonst [ RED_C ] = * ( m_KonstLUT [ kc ] [ RED_C ] ) ;
StageKonst [ GRN_C ] = * ( m_KonstLUT [ kc ] [ GRN_C ] ) ;
StageKonst [ BLU_C ] = * ( m_KonstLUT [ kc ] [ BLU_C ] ) ;
StageKonst [ ALP_C ] = * ( m_KonstLUT [ ka ] [ ALP_C ] ) ;
// set color
SetRasColor ( order . getColorChan ( stageOdd ) , ac . rswap * 2 ) ;
// combine inputs
if ( cc . bias ! = 3 )
DrawColorRegular ( cc ) ;
else
DrawColorCompare ( cc ) ;
if ( cc . clamp )
{
Reg [ cc . dest ] [ RED_C ] = Clamp255 ( Reg [ cc . dest ] [ RED_C ] ) ;
Reg [ cc . dest ] [ GRN_C ] = Clamp255 ( Reg [ cc . dest ] [ GRN_C ] ) ;
Reg [ cc . dest ] [ BLU_C ] = Clamp255 ( Reg [ cc . dest ] [ BLU_C ] ) ;
}
else
{
Reg [ cc . dest ] [ RED_C ] = Clamp1024 ( Reg [ cc . dest ] [ RED_C ] ) ;
Reg [ cc . dest ] [ GRN_C ] = Clamp1024 ( Reg [ cc . dest ] [ GRN_C ] ) ;
Reg [ cc . dest ] [ BLU_C ] = Clamp1024 ( Reg [ cc . dest ] [ BLU_C ] ) ;
}
if ( ac . bias ! = 3 )
DrawAlphaRegular ( ac ) ;
else
DrawAlphaCompare ( ac ) ;
if ( ac . clamp )
Reg [ ac . dest ] [ ALP_C ] = Clamp255 ( Reg [ ac . dest ] [ ALP_C ] ) ;
else
Reg [ ac . dest ] [ ALP_C ] = Clamp1024 ( Reg [ ac . dest ] [ ALP_C ] ) ;
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# if ALLOW_TEV_DUMPS
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if ( g_SWVideoConfig . bDumpTevStages )
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{
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u8 stage [ 4 ] = { ( u8 ) Reg [ 0 ] [ RED_C ] , ( u8 ) Reg [ 0 ] [ GRN_C ] , ( u8 ) Reg [ 0 ] [ BLU_C ] , ( u8 ) Reg [ 0 ] [ ALP_C ] } ;
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DebugUtil : : DrawTempBuffer ( stage , DIRECT + stageNum ) ;
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}
# endif
}
// convert to 8 bits per component
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u8 output [ 4 ] = { ( u8 ) Reg [ 0 ] [ ALP_C ] , ( u8 ) Reg [ 0 ] [ BLU_C ] , ( u8 ) Reg [ 0 ] [ GRN_C ] , ( u8 ) Reg [ 0 ] [ RED_C ] } ;
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if ( ! AlphaTest ( output [ ALP_C ] ) )
return ;
// z texture
if ( bpmem . ztex2 . op )
{
u32 ztex = bpmem . ztex1 . bias ;
switch ( bpmem . ztex2 . type ) {
case 0 : // 8 bit
ztex + = TexColor [ ALP_C ] ;
break ;
case 1 : // 16 bit
ztex + = TexColor [ ALP_C ] < < 8 | TexColor [ RED_C ] ;
break ;
case 2 : // 24 bit
ztex + = TexColor [ RED_C ] < < 16 | TexColor [ GRN_C ] < < 8 | TexColor [ BLU_C ] ;
break ;
}
if ( bpmem . ztex2 . op = = ZTEXTURE_ADD )
ztex + = Position [ 2 ] ;
Position [ 2 ] = ztex & 0x00ffffff ;
}
// fog
if ( bpmem . fog . c_proj_fsel . fsel )
{
float ze ;
if ( bpmem . fog . c_proj_fsel . proj = = 0 )
{
// perspective
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// ze = A/(B - (Zs >> B_SHF))
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s32 denom = bpmem . fog . b_magnitude - ( Position [ 2 ] > > bpmem . fog . b_shift ) ;
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//in addition downscale magnitude and zs to 0.24 bits
ze = ( bpmem . fog . a . GetA ( ) * 16777215.0f ) / ( float ) denom ;
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}
else
{
// orthographic
// ze = a*Zs
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//in addition downscale zs to 0.24 bits
ze = bpmem . fog . a . GetA ( ) * ( ( float ) Position [ 2 ] / 16777215.0f ) ;
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}
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// stuff to do!
// here, where we'll have to add/handle x range adjustment (if related BP register it's enabled)
// x_adjust = sqrt((x-center)^2 + k^2)/k
// ze *= x_adjust
ze - = bpmem . fog . c_proj_fsel . GetC ( ) ;
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// clamp 0 to 1
float fog = ( ze < 0.0f ) ? 0.0f : ( ( ze > 1.0f ) ? 1.0f : ze ) ;
switch ( bpmem . fog . c_proj_fsel . fsel )
{
case 4 : // exp
fog = 1.0f - pow ( 2.0f , - 8.0f * fog ) ;
break ;
case 5 : // exp2
fog = 1.0f - pow ( 2.0f , - 8.0f * fog * fog ) ;
break ;
case 6 : // backward exp
fog = 1.0f - fog ;
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fog = pow ( 2.0f , - 8.0f * fog ) ;
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break ;
case 7 : // backward exp2
fog = 1.0f - fog ;
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fog = pow ( 2.0f , - 8.0f * fog * fog ) ;
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break ;
}
// lerp from output to fog color
u32 fogInt = ( u32 ) ( fog * 256 ) ;
u32 invFog = 256 - fogInt ;
output [ RED_C ] = ( output [ RED_C ] * invFog + fogInt * bpmem . fog . color . r ) > > 8 ;
output [ GRN_C ] = ( output [ GRN_C ] * invFog + fogInt * bpmem . fog . color . g ) > > 8 ;
output [ BLU_C ] = ( output [ BLU_C ] * invFog + fogInt * bpmem . fog . color . b ) > > 8 ;
}
if ( ! bpmem . zcontrol . zcomploc & & bpmem . zmode . testenable )
{
if ( ! EfbInterface : : ZCompare ( Position [ 0 ] , Position [ 1 ] , Position [ 2 ] ) )
return ;
}
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# if ALLOW_TEV_DUMPS
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if ( g_SWVideoConfig . bDumpTevStages )
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{
for ( u32 i = 0 ; i < bpmem . genMode . numindstages ; + + i )
DebugUtil : : CopyTempBuffer ( Position [ 0 ] , Position [ 1 ] , INDIRECT , i , " Indirect " ) ;
for ( u32 i = 0 ; i < = bpmem . genMode . numtevstages ; + + i )
DebugUtil : : CopyTempBuffer ( Position [ 0 ] , Position [ 1 ] , DIRECT , i , " Stage " ) ;
}
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if ( g_SWVideoConfig . bDumpTevTextureFetches )
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{
for ( u32 i = 0 ; i < = bpmem . genMode . numtevstages ; + + i )
{
TwoTevStageOrders & order = bpmem . tevorders [ i > > 1 ] ;
if ( order . getEnable ( i & 1 ) )
DebugUtil : : CopyTempBuffer ( Position [ 0 ] , Position [ 1 ] , DIRECT_TFETCH , i , " TFetch " ) ;
}
}
# endif
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INCSTAT ( swstats . thisFrame . tevPixelsOut ) ;
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EfbInterface : : BlendTev ( Position [ 0 ] , Position [ 1 ] , output ) ;
}
void Tev : : SetRegColor ( int reg , int comp , bool konst , s16 color )
{
if ( konst )
{
KonstantColors [ reg ] [ comp ] = color ;
}
else
{
Reg [ reg ] [ comp ] = color ;
}
}
