dolphin/Source/Plugins/Plugin_VideoSoftware/Src/Tev.cpp
Soren Jorvang 9b3920d1a9 Explicit dependency on libvideo.
Back out r6960 for now. The wxGLCanvas may need to be persistent
and owned by DolphinWX in the rendertomain case.

Disambiguate SWVideoConfig.


git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@6962 8ced0084-cf51-0410-be5f-012b33b47a6e
2011-01-29 06:26:03 +00:00

828 lines
29 KiB
C++

// 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"
#include "Statistics.h"
#include "SWVideoConfig.h"
#include "DebugUtil.h"
#include <math.h>
#ifdef _DEBUG
#define ALLOW_TEV_DUMPS 1
#else
#define ALLOW_TEV_DUMPS 0
#endif
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;
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
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);
}
inline void Tev::SetRasColor(int colorChan, int swaptable)
{
switch(colorChan)
{
case 0: // Color0
{
u8 *color = Color[0];
RasColor[RED_C] = color[bpmem.tevksel[swaptable].swap1];
RasColor[GRN_C] = color[bpmem.tevksel[swaptable].swap2];
swaptable++;
RasColor[BLU_C] = color[bpmem.tevksel[swaptable].swap1];
RasColor[ALP_C] = color[bpmem.tevksel[swaptable].swap2];
}
break;
case 1: // Color1
{
u8 *color = Color[1];
RasColor[RED_C] = color[bpmem.tevksel[swaptable].swap1];
RasColor[GRN_C] = color[bpmem.tevksel[swaptable].swap2];
swaptable++;
RasColor[BLU_C] = color[bpmem.tevksel[swaptable].swap1];
RasColor[ALP_C] = color[bpmem.tevksel[swaptable].swap2];
}
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];
Reg[cc.dest][BLU_C + i] = result;
}
}
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:
{
a = *m_ColorInputLUT[cc.a][RED_INP] & 0xff;
b = *m_ColorInputLUT[cc.b][RED_INP] & 0xff;
for (int i = 0; i < 3; i++)
{
InputReg.c = *m_ColorInputLUT[cc.c][i];
InputReg.d = *m_ColorInputLUT[cc.d][i];
Reg[cc.dest][BLU_C + i] = InputReg.d + ((a > b) ? InputReg.c : 0);
}
}
break;
case TEVCMP_R8_EQ:
{
a = *m_ColorInputLUT[cc.a][RED_INP] & 0xff;
b = *m_ColorInputLUT[cc.b][RED_INP] & 0xff;
for (int i = 0; i < 3; i++)
{
InputReg.c = *m_ColorInputLUT[cc.c][i];
InputReg.d = *m_ColorInputLUT[cc.d][i];
Reg[cc.dest][BLU_C + i] = InputReg.d + ((a == b) ? InputReg.c : 0);
}
}
break;
case TEVCMP_GR16_GT:
{
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);
for (int i = 0; i < 3; i++)
{
InputReg.c = *m_ColorInputLUT[cc.c][i];
InputReg.d = *m_ColorInputLUT[cc.d][i];
Reg[cc.dest][BLU_C + i] = InputReg.d + ((a > b) ? InputReg.c : 0);
}
}
break;
case TEVCMP_GR16_EQ:
{
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);
for (int i = 0; i < 3; i++)
{
InputReg.c = *m_ColorInputLUT[cc.c][i];
InputReg.d = *m_ColorInputLUT[cc.d][i];
Reg[cc.dest][BLU_C + i] = InputReg.d + ((a == b) ? InputReg.c : 0);
}
}
break;
case TEVCMP_BGR24_GT:
{
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);
for (int i = 0; i < 3; i++)
{
InputReg.c = *m_ColorInputLUT[cc.c][i];
InputReg.d = *m_ColorInputLUT[cc.d][i];
Reg[cc.dest][BLU_C + i] = InputReg.d + ((a > b) ? InputReg.c : 0);
}
}
break;
case TEVCMP_BGR24_EQ:
{
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);
for (int i = 0; i < 3; i++)
{
InputReg.c = *m_ColorInputLUT[cc.c][i];
InputReg.d = *m_ColorInputLUT[cc.d][i];
Reg[cc.dest][BLU_C + i] = InputReg.d + ((a == b) ? InputReg.c : 0);
}
}
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];
Reg[cc.dest][BLU_C + i] = InputReg.d + ((InputReg.a > InputReg.b) ? InputReg.c : 0);
}
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];
Reg[cc.dest][BLU_C + i] = InputReg.d + ((InputReg.a == InputReg.b) ? InputReg.c : 0);
}
break;
}
}
void Tev::DrawAlphaRegular(TevStageCombiner::AlphaCombiner &ac)
{
InputRegType InputReg;
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];
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:
AlphaBump = indmap[TextureSampler::ALP_SMP];
break;
case ITBA_T:
AlphaBump = indmap[TextureSampler::BLU_SMP];
break;
case ITBA_U:
AlphaBump = indmap[TextureSampler::GRN_SMP];
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:
indcoord[0] = indmap[TextureSampler::ALP_SMP] + bias[0];
indcoord[1] = indmap[TextureSampler::BLU_SMP] + bias[1];
indcoord[2] = indmap[TextureSampler::GRN_SMP] + bias[2];
AlphaBump = AlphaBump & 0xf8;
break;
case ITF_5:
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];
AlphaBump = AlphaBump & 0xe0;
break;
case ITF_4:
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];
AlphaBump = AlphaBump & 0xf0;
break;
case ITF_3:
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];
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);
INCSTAT(stats.thisFrame.tevPixelsIn);
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]);
#if ALLOW_TEV_DUMPS
if (g_SWVideoConfig.bDumpTevStages)
{
u8 stage[4] = { IndirectTex[stageNum][TextureSampler::ALP_SMP],
IndirectTex[stageNum][TextureSampler::BLU_SMP],
IndirectTex[stageNum][TextureSampler::GRN_SMP],
255};
DebugUtil::DrawTempBuffer(stage, INDIRECT + stageNum);
}
#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))
{
// RGBA
u8 texel[4];
TextureSampler::Sample(TexCoord.s, TexCoord.t, TextureLod[stageNum], TextureLinear[stageNum], texmap, texel);
#if ALLOW_TEV_DUMPS
if (g_SWVideoConfig.bDumpTevTextureFetches)
DebugUtil::DrawTempBuffer(texel, DIRECT_TFETCH + stageNum);
#endif
int swaptable = ac.tswap * 2;
TexColor[RED_C] = texel[bpmem.tevksel[swaptable].swap1];
TexColor[GRN_C] = texel[bpmem.tevksel[swaptable].swap2];
swaptable++;
TexColor[BLU_C] = texel[bpmem.tevksel[swaptable].swap1];
TexColor[ALP_C] = texel[bpmem.tevksel[swaptable].swap2];
}
// 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]);
#if ALLOW_TEV_DUMPS
if (g_SWVideoConfig.bDumpTevStages)
{
u8 stage[4] = {(u8)Reg[0][RED_C], (u8)Reg[0][GRN_C], (u8)Reg[0][BLU_C], (u8)Reg[0][ALP_C]};
DebugUtil::DrawTempBuffer(stage, DIRECT + stageNum);
}
#endif
}
// convert to 8 bits per component
u8 output[4] = {(u8)Reg[0][ALP_C], (u8)Reg[0][BLU_C], (u8)Reg[0][GRN_C], (u8)Reg[0][RED_C]};
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
// ze = A/(B - (Zs >> B_SHF))
s32 denom = bpmem.fog.b_magnitude - (Position[2] >> bpmem.fog.b_shift);
//in addition downscale magnitude and zs to 0.24 bits
ze = (bpmem.fog.a.GetA() * 16777215.0f) / (float)denom;
}
else
{
// orthographic
// ze = a*Zs
//in addition downscale zs to 0.24 bits
ze = bpmem.fog.a.GetA() * ((float)Position[2] / 16777215.0f);
}
// 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();
// 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;
fog = pow(2.0f, -8.0f * fog);
break;
case 7: // backward exp2
fog = 1.0f - fog;
fog = pow(2.0f, -8.0f * fog * fog);
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;
}
#if ALLOW_TEV_DUMPS
if (g_SWVideoConfig.bDumpTevStages)
{
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");
}
if (g_SWVideoConfig.bDumpTevTextureFetches)
{
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
INCSTAT(stats.thisFrame.tevPixelsOut);
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;
}
}