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Merge pull request #193 from neobrain/tev_combiner_fixes 

PixelShaderGen: Cleanups and fixes for tev combiners.
This commit is contained in:
Pierre Bourdon 2014-03-26 10:05:46 +01:00
parent c6070b94ce 1dead05cae
commit ea6b37cb75
3 changed files with 202 additions and 267 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

284
Source/Core/VideoBackends/Software/Tev.cpp
View File

@ -55,14 +55,14 @@ void Tev::Init()
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
m_AlphaInputLUT[0] = &Reg[0][ALP_C]; // prev
m_AlphaInputLUT[1] = &Reg[1][ALP_C]; // c0
m_AlphaInputLUT[2] = &Reg[2][ALP_C]; // c1
m_AlphaInputLUT[3] = &Reg[3][ALP_C]; // c2
m_AlphaInputLUT[4] = &TexColor[ALP_C]; // tex
m_AlphaInputLUT[5] = &RasColor[ALP_C]; // ras
m_AlphaInputLUT[6] = &StageKonst[ALP_C]; // konst
m_AlphaInputLUT[7] = &Zero16[ALP_C]; // zero
for (int comp = 0; comp < 4; comp++)
{
@ -176,239 +176,150 @@ void Tev::SetRasColor(int colorChan, int swaptable)
}
}
void Tev::DrawColorRegular(TevStageCombiner::ColorCombiner &cc)
void Tev::DrawColorRegular(TevStageCombiner::ColorCombiner &cc, const InputRegType inputs[4])
{
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];
const InputRegType& InputReg = inputs[BLU_C + i];
u16 c = InputReg.c + (InputReg.c >> 7);
s32 temp = InputReg.a * (256 - c) + (InputReg.b * c);
temp = cc.op?(-temp >> 8):(temp >> 8);
temp <<= m_ScaleLShiftLUT[cc.shift];
temp += (cc.shift != 3) ? 0 : (cc.op == 1) ? 127 : 128;
temp = cc.op ? (-temp >> 8) : (temp >> 8);
s32 result = InputReg.d + temp + m_BiasLUT[cc.bias];
result = result << m_ScaleLShiftLUT[cc.shift];
s32 result = ((InputReg.d + m_BiasLUT[cc.bias]) << m_ScaleLShiftLUT[cc.shift]) + temp;
result = result >> m_ScaleRShiftLUT[cc.shift];
Reg[cc.dest][BLU_C + i] = result;
}
}
void Tev::DrawColorCompare(TevStageCombiner::ColorCombiner &cc)
void Tev::DrawColorCompare(TevStageCombiner::ColorCombiner &cc, const InputRegType inputs[4])
{
int cmp = (cc.shift<<1)|cc.op|8; // comparemode stored here
for (int i = BLU_C; i < RED_C; i++)
{
switch ((cc.shift<<1)|cc.op|8) // encoded compare mode
{
case TEVCMP_R8_GT:
Reg[cc.dest][i] = inputs[i].d + ((inputs[RED_C].a > inputs[RED_C].b) ? inputs[i].c : 0);
break;
u32 a;
u32 b;
case TEVCMP_R8_EQ:
Reg[cc.dest][i] = inputs[i].d + ((inputs[RED_C].a == inputs[RED_C].b) ? inputs[i].c : 0);
break;
InputRegType InputReg;
case TEVCMP_GR16_GT:
{
u32 a = (inputs[GRN_C].a << 8) | inputs[RED_C].a;
u32 b = (inputs[GRN_C].b << 8) | inputs[RED_C].b;
Reg[cc.dest][i] = inputs[i].d + ((a > b) ? inputs[i].c : 0);
}
break;
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++)
case TEVCMP_GR16_EQ:
{
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);
u32 a = (inputs[GRN_C].a << 8) | inputs[RED_C].a;
u32 b = (inputs[GRN_C].b << 8) | inputs[RED_C].b;
Reg[cc.dest][i] = inputs[i].d + ((a == b) ? inputs[i].c : 0);
}
}
break;
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++)
case TEVCMP_BGR24_GT:
{
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);
u32 a = (inputs[BLU_C].a << 16) | (inputs[GRN_C].a << 8) | inputs[RED_C].a;
u32 b = (inputs[BLU_C].b << 16) | (inputs[GRN_C].b << 8) | inputs[RED_C].b;
Reg[cc.dest][i] = inputs[i].d + ((a > b) ? inputs[i].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++)
break;
case TEVCMP_BGR24_EQ:
{
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);
u32 a = (inputs[BLU_C].a << 16) | (inputs[GRN_C].a << 8) | inputs[RED_C].a;
u32 b = (inputs[BLU_C].b << 16) | (inputs[GRN_C].b << 8) | inputs[RED_C].b;
Reg[cc.dest][i] = inputs[i].d + ((a == b) ? inputs[i].c : 0);
}
break;
case TEVCMP_RGB8_GT:
Reg[cc.dest][i] = inputs[i].d + ((inputs[i].a > inputs[i].b) ? inputs[i].c : 0);
break;
case TEVCMP_RGB8_EQ:
Reg[cc.dest][i] = inputs[i].d + ((inputs[i].a == inputs[i].b) ? inputs[i].c : 0);
break;
}
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)
void Tev::DrawAlphaRegular(TevStageCombiner::AlphaCombiner &ac, const InputRegType inputs[4])
{
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];
const InputRegType& InputReg = inputs[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);
temp <<= m_ScaleLShiftLUT[ac.shift];
temp += (ac.shift != 3) ? 0 : (ac.op == 1) ? 127 : 128;
temp = ac.op ? (-temp >> 8) : (temp >> 8);
s32 result = InputReg.d + temp + m_BiasLUT[ac.bias];
result = result << m_ScaleLShiftLUT[ac.shift];
s32 result = ((InputReg.d + m_BiasLUT[ac.bias]) << m_ScaleLShiftLUT[ac.shift]) + temp;
result = result >> m_ScaleRShiftLUT[ac.shift];
Reg[ac.dest][ALP_C] = result;
}
void Tev::DrawAlphaCompare(TevStageCombiner::AlphaCombiner &ac)
void Tev::DrawAlphaCompare(TevStageCombiner::AlphaCombiner& ac, const InputRegType inputs[4])
{
int cmp = (ac.shift<<1)|ac.op|8; // comparemode stored here
u32 a;
u32 b;
InputRegType InputReg;
switch (cmp) {
switch ((ac.shift<<1)|ac.op|8) // encoded compare mode
{
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);
}
Reg[ac.dest][ALP_C] = inputs[ALP_C].d + ((inputs[RED_C].a > inputs[RED_C].b) ? inputs[ALP_C].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);
}
Reg[ac.dest][ALP_C] = inputs[ALP_C].d + ((inputs[RED_C].a == inputs[RED_C].b) ? inputs[ALP_C].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);
u32 a = (inputs[GRN_C].a << 8) | inputs[RED_C].a;
u32 b = (inputs[GRN_C].b << 8) | inputs[RED_C].b;
Reg[ac.dest][ALP_C] = inputs[ALP_C].d + ((a > b) ? inputs[ALP_C].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);
u32 a = (inputs[GRN_C].a << 8) | inputs[RED_C].a;
u32 b = (inputs[GRN_C].b << 8) | inputs[RED_C].b;
Reg[ac.dest][ALP_C] = inputs[ALP_C].d + ((a == b) ? inputs[ALP_C].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);
u32 a = (inputs[BLU_C].a << 16) | (inputs[GRN_C].a << 8) | inputs[RED_C].a;
u32 b = (inputs[BLU_C].b << 16) | (inputs[GRN_C].b << 8) | inputs[RED_C].b;
Reg[ac.dest][ALP_C] = inputs[ALP_C].d + ((a > b) ? inputs[ALP_C].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);
u32 a = (inputs[BLU_C].a << 16) | (inputs[GRN_C].a << 8) | inputs[RED_C].a;
u32 b = (inputs[BLU_C].b << 16) | (inputs[GRN_C].b << 8) | inputs[RED_C].b;
Reg[ac.dest][ALP_C] = inputs[ALP_C].d + ((a == b) ? inputs[ALP_C].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);
}
Reg[ac.dest][ALP_C] = inputs[ALP_C].d + ((inputs[ALP_C].a > inputs[ALP_C].b) ? inputs[ALP_C].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);
}
Reg[ac.dest][ALP_C] = inputs[ALP_C].d + ((inputs[ALP_C].a == inputs[ALP_C].b) ? inputs[ALP_C].c : 0);
break;
}
}
@ -666,10 +577,23 @@ void Tev::Draw()
SetRasColor(order.getColorChan(stageOdd), ac.rswap * 2);
// combine inputs
InputRegType inputs[4];
for (int i = 0; i < 3; i++)
{
inputs[BLU_C + i].a = *m_ColorInputLUT[cc.a][i];
inputs[BLU_C + i].b = *m_ColorInputLUT[cc.b][i];
inputs[BLU_C + i].c = *m_ColorInputLUT[cc.c][i];
inputs[BLU_C + i].d = *m_ColorInputLUT[cc.d][i];
}
inputs[ALP_C].a = *m_AlphaInputLUT[ac.a];
inputs[ALP_C].b = *m_AlphaInputLUT[ac.b];
inputs[ALP_C].c = *m_AlphaInputLUT[ac.c];
inputs[ALP_C].d = *m_AlphaInputLUT[ac.d];
if (cc.bias != 3)
DrawColorRegular(cc);
DrawColorRegular(cc, inputs);
else
DrawColorCompare(cc);
DrawColorCompare(cc, inputs);
if (cc.clamp)
{
@ -685,9 +609,9 @@ void Tev::Draw()
}
if (ac.bias != 3)
DrawAlphaRegular(ac);
DrawAlphaRegular(ac, inputs);
else
DrawAlphaCompare(ac);
DrawAlphaCompare(ac, inputs);
if (ac.clamp)
Reg[ac.dest][ALP_C] = Clamp255(Reg[ac.dest][ALP_C]);

8
Source/Core/VideoBackends/Software/Tev.h
View File

@ -60,10 +60,10 @@ class Tev
void SetRasColor(int colorChan, int swaptable);
void DrawColorRegular(TevStageCombiner::ColorCombiner &cc);
void DrawColorCompare(TevStageCombiner::ColorCombiner &cc);
void DrawAlphaRegular(TevStageCombiner::AlphaCombiner &ac);
void DrawAlphaCompare(TevStageCombiner::AlphaCombiner &ac);
void DrawColorRegular(TevStageCombiner::ColorCombiner& cc, const InputRegType inputs[4]);
void DrawColorCompare(TevStageCombiner::ColorCombiner& cc, const InputRegType inputs[4]);
void DrawAlphaRegular(TevStageCombiner::AlphaCombiner& ac, const InputRegType inputs[4]);
void DrawAlphaCompare(TevStageCombiner::AlphaCombiner& ac, const InputRegType inputs[4]);
void Indirect(unsigned int stageNum, s32 s, s32 t);

177
Source/Core/VideoCommon/PixelShaderGen.cpp
View File

@ -90,27 +90,6 @@ static const char *tevKSelTableA[] =
I_KCOLORS"[3].a", // K3_A = 0x1F
};
static const char *tevScaleTable[] =
{
"", // SCALE_1
" << 1", // SCALE_2
" << 2", // SCALE_4
" >> 1", // DIVIDE_2
};
static const char *tevBiasTable[] =
{
"", // ZERO,
"+ 128", // ADDHALF,
"- 128", // SUBHALF,
"",
};
static const char *tevOpTable[] = {
"+", // TEVOP_ADD = 0,
"-", // TEVOP_SUB = 1,
};
static const char *tevCInputTable[] =
{
"prev.rgb", // CPREV,
@ -133,14 +112,14 @@ static const char *tevCInputTable[] =
static const char *tevAInputTable[] =
{
"prev", // APREV,
"c0", // A0,
"c1", // A1,
"c2", // A2,
"textemp", // TEXA,
"rastemp", // RASA,
"konsttemp", // KONST, (hw1 had quarter)
"int4(0,0,0,0)", // ZERO
"prev.a", // APREV,
"c0.a", // A0,
"c1.a", // A1,
"c2.a", // A2,
"textemp.a", // TEXA,
"rastemp.a", // RASA,
"konsttemp.a", // KONST, (hw1 had quarter)
"0", // ZERO
};
static const char *tevRasTable[] =
@ -161,6 +140,7 @@ static const char *tevAOutputTable[] = { "prev.a", "c0.a", "c1.a", "c2.a" };
static char text[16384];
template<class T> static inline void WriteStage(T& out, pixel_shader_uid_data& uid_data, int n, API_TYPE ApiType, const char swapModeTable[4][5]);
template<class T> static inline void WriteTevRegular(T& out, const char* components, int bias, int op, int clamp, int shift);
template<class T> static inline void SampleTexture(T& out, const char *texcoords, const char *texswap, int texmap, API_TYPE ApiType);
template<class T> static inline void WriteAlphaTest(T& out, pixel_shader_uid_data& uid_data, API_TYPE ApiType,DSTALPHA_MODE dstAlphaMode, bool per_pixel_depth);
template<class T> static inline void WriteFog(T& out, pixel_shader_uid_data& uid_data);
@ -343,7 +323,8 @@ static inline void GeneratePixelShader(T& out, DSTALPHA_MODE dstAlphaMode, API_T
"\tint3 comp16 = int3(1, 256, 0), comp24 = int3(1, 256, 256*256);\n"
"\tint alphabump=0;\n"
"\tint3 tevcoord=int3(0, 0, 0);\n"
"\tint2 wrappedcoord=int2(0,0), tempcoord=int2(0,0);\n\n");
"\tint2 wrappedcoord=int2(0,0), tempcoord=int2(0,0);\n"
"\tint4 tevin_a=int4(0,0,0,0),tevin_b=int4(0,0,0,0),tevin_c=int4(0,0,0,0),tevin_d=int4(0,0,0,0);\n\n"); // tev combiner inputs
if (ApiType == API_OPENGL)
{
@ -778,44 +759,35 @@ static inline void WriteStage(T& out, pixel_shader_uid_data& uid_data, int n, AP
if (ac.dest >= GX_TEVREG0 && ac.dest <= GX_TEVREG2)
out.SetConstantsUsed(C_COLORS+ac.dest, C_COLORS+ac.dest);
out.Write("tevin_a = int4(%s, %s)&255;\n", tevCInputTable[cc.a], tevAInputTable[ac.a]);
out.Write("tevin_b = int4(%s, %s)&255;\n", tevCInputTable[cc.b], tevAInputTable[ac.b]);
out.Write("tevin_c = int4(%s, %s)&255;\n", tevCInputTable[cc.c], tevAInputTable[ac.c]);
out.Write("tevin_d = int4(%s, %s);\n", tevCInputTable[cc.d], tevAInputTable[ac.d]);
out.Write("\t// color combine\n");
out.Write("\t%s = clamp(", tevCOutputTable[cc.dest]);
// combine the color channel
if (cc.bias != TevBias_COMPARE) // if not compare
if (cc.bias != TevBias_COMPARE)
{
//normal color combiner goes here
if (cc.shift > TEVSCALE_1)
out.Write("(");
if (!(cc.d == TEVCOLORARG_ZERO && cc.op == TEVOP_ADD))
out.Write("%s %s ", tevCInputTable[cc.d], tevOpTable[cc.op]);
out.Write("((%s&255) * (int3(255,255,255) - (%s&255)) + (%s&255) * (%s&255)) / 255", tevCInputTable[cc.a], tevCInputTable[cc.c], tevCInputTable[cc.b], tevCInputTable[cc.c]);
out.Write(" %s", tevBiasTable[cc.bias]);
if (cc.shift > TEVSCALE_1)
out.Write(")%s", tevScaleTable[cc.shift]);
WriteTevRegular(out, "rgb", cc.bias, cc.op, cc.clamp, cc.shift);
}
else
{
const char *function_table[] =
{
"(((%s.r&255) > %s.r) ? (%s&255): int3(0,0,0))", // TEVCMP_R8_GT
"(((%s.r&255) == %s.r) ? (%s&255): int3(0,0,0))", // TEVCMP_R8_EQ
"((idot((%s.rgb&255), comp16) > idot((%s.rgb&255), comp16)) ? (%s&255): int3(0,0,0))", // TEVCMP_GR16_GT
"((idot((%s.rgb&255), comp16) == idot((%s.rgb&255), comp16)) ? (%s&255): int3(0,0,0))", // TEVCMP_GR16_EQ
"((idot((%s.rgb&255), comp24) > idot((%s.rgb&255), comp24)) ? (%s&255): int3(0,0,0))", // TEVCMP_BGR24_GT
"((idot((%s.rgb&255), comp24) == idot((%s.rgb&255), comp24)) ? (%s&255): int3(0,0,0))", // TEVCMP_BGR24_EQ
"int3(max(sign(int3((%s.rgb&255)) - int3((%s.rgb&255))), int3(0,0,0)) * (%s&255))", // TEVCMP_RGB8_GT
"int3((int3(255,255,255) - max(sign(abs(int3((%s.rgb&255)) - int3((%s.rgb&255)))), int3(0,0,0))) * (%s&255))" // TEVCMP_RGB8_EQ
"((tevin_a.r > tevin_b.r) ? tevin_c.rgb : int3(0,0,0))", // TEVCMP_R8_GT
"((tevin_a.r == tevin_b.r) ? tevin_c.rgb : int3(0,0,0))", // TEVCMP_R8_EQ
"((idot(tevin_a.rgb, comp16) > idot(tevin_b.rgb, comp16)) ? tevin_c.rgb : int3(0,0,0))", // TEVCMP_GR16_GT
"((idot(tevin_a.rgb, comp16) == idot(tevin_b.rgb, comp16)) ? tevin_c.rgb : int3(0,0,0))", // TEVCMP_GR16_EQ
"((idot(tevin_a.rgb, comp24) > idot(tevin_b.rgb, comp24)) ? tevin_c.rgb : int3(0,0,0))", // TEVCMP_BGR24_GT
"((idot(tevin_a.rgb, comp24) == idot(tevin_b.rgb, comp24)) ? tevin_c.rgb : int3(0,0,0))", // TEVCMP_BGR24_EQ
"(max(sign(tevin_a.rgb - tevin_b.rgb), int3(0,0,0)) * tevin_c.rgb)", // TEVCMP_RGB8_GT
"((int3(255,255,255) - max(sign(abs(tevin_a.rgb - tevin_b.rgb))), int3(0,0,0))) * tevin_c.rgb)" // TEVCMP_RGB8_EQ
};
int mode = (cc.shift<<1)|cc.op;
out.Write(" %s + ", tevCInputTable[cc.d]);
out.Write(function_table[mode], tevCInputTable[cc.a],
tevCInputTable[cc.b], tevCInputTable[cc.c]);
out.Write(" tevin_d.rgb + ");
out.Write(function_table[mode]);
}
if (cc.clamp)
out.Write(", int3(0,0,0), int3(255,255,255))");
@ -825,41 +797,27 @@ static inline void WriteStage(T& out, pixel_shader_uid_data& uid_data, int n, AP
out.Write("\t// alpha combine\n");
out.Write("\t%s = clamp(", tevAOutputTable[ac.dest]);
if (ac.bias != TevBias_COMPARE) // if not compare
if (ac.bias != TevBias_COMPARE)
{
//normal alpha combiner goes here
if (ac.shift > 0)
out.Write("(");
if (!(ac.d == TEVALPHAARG_ZERO && ac.op == TEVOP_ADD))
out.Write("%s.a %s ", tevAInputTable[ac.d], tevOpTable[ac.op]);
out.Write("((%s.a&255) * (255 - (%s.a&255)) + (%s.a&255) * (%s.a&255)) / 255", tevAInputTable[ac.a], tevAInputTable[ac.c], tevAInputTable[ac.b], tevAInputTable[ac.c]);
out.Write(" %s",tevBiasTable[ac.bias]);
if (ac.shift>0)
out.Write(")%s", tevScaleTable[ac.shift]);
WriteTevRegular(out, "a", ac.bias, ac.op, ac.clamp, ac.shift);
}
else
{
const char *function_table[] =
{
"(((%s.r&255) > (%s.r&255)) ? (%s.a&255) : 0)", // TEVCMP_R8_GT
"(((%s.r&255) == (%s.r&255)) ? (%s.a&255) : 0)", // TEVCMP_R8_EQ
"((idot((%s.rgb&255), comp16) > idot((%s.rgb&255), comp16)) ? (%s.a&255) : 0)", // TEVCMP_GR16_GT
"((idot((%s.rgb&255), comp16) == idot((%s.rgb&255), comp16)) ? (%s.a&255) : 0)", // TEVCMP_GR16_EQ
"((idot((%s.rgb&255), comp24) > idot((%s.rgb&255), comp24)) ? (%s.a&255) : 0)", // TEVCMP_BGR24_GT
"((idot((%s.rgb&255), comp24) == idot((%s.rgb&255), comp24)) ? (%s.a&255) : 0)", // TEVCMP_BGR24_EQ
"(((%s.a&255) > (%s.a&255)) ? (%s.a&255) : 0)", // TEVCMP_A8_GT
"(((%s.a&255) == (%s.a&255)) ? (%s.a&255) : 0)" // TEVCMP_A8_EQ
"((tevin_a.r > tevin_b.r) ? tevin_c.a : 0)", // TEVCMP_R8_GT
"((tevin_a.r == tevin_b.r) ? tevin_c.a : 0)", // TEVCMP_R8_EQ
"((idot(tevin_a.rgb, comp16) > idot(tevin_b.rgb, comp16)) ? tevin_c.a : 0)", // TEVCMP_GR16_GT
"((idot(tevin_a.rgb, comp16) == idot(tevin_b.rgb, comp16)) ? tevin_c.a : 0)", // TEVCMP_GR16_EQ
"((idot(tevin_a.rgb, comp24) > idot(tevin_b.rgb, comp24)) ? tevin_c.a : 0)", // TEVCMP_BGR24_GT
"((idot(tevin_a.rgb, comp24) == idot(tevin_b.rgb, comp24)) ? tevin_c.a : 0)", // TEVCMP_BGR24_EQ
"((tevin_a.a > tevin_b.a) ? tevin_c.a : 0)", // TEVCMP_A8_GT
"((tevin_a.a == tevin_b.a) ? tevin_c.a : 0)" // TEVCMP_A8_EQ
};
int mode = (ac.shift<<1)|ac.op;
out.Write(" %s.a + ", tevAInputTable[ac.d]);
out.Write(function_table[mode], tevAInputTable[ac.a],
tevAInputTable[ac.b], tevAInputTable[ac.c]);
out.Write(" tevin_d.a + ");
out.Write(function_table[mode]);
}
if (ac.clamp)
out.Write(", 0, 255)");
@ -869,6 +827,59 @@ static inline void WriteStage(T& out, pixel_shader_uid_data& uid_data, int n, AP
out.Write(";\n\n");
}
template<class T>
static inline void WriteTevRegular(T& out, const char* components, int bias, int op, int clamp, int shift)
{
const char *tevScaleTableLeft[] =
{
"", // SCALE_1
" << 1", // SCALE_2
" << 2", // SCALE_4
"", // DIVIDE_2
};
const char *tevScaleTableRight[] =
{
"", // SCALE_1
"", // SCALE_2
"", // SCALE_4
" >> 1", // DIVIDE_2
};
const char *tevLerpBias[] = // indexed by 2*op+(shift==3)
{
"",
" + 128",
"",
" + 127",
};
const char *tevBiasTable[] =
{
"", // ZERO,
" + 128", // ADDHALF,
" - 128", // SUBHALF,
"",
};
const char *tevOpTable[] = {
"+", // TEVOP_ADD = 0,
"-", // TEVOP_SUB = 1,
};
// Regular TEV stage: (d + bias + lerp(a,b,c)) * scale
// The GC/Wii GPU uses a very sophisticated algorithm for scale-lerping:
// - c is scaled from 0..255 to 0..256, which allows dividing the result by 256 instead of 255
// - if scale is bigger than one, it is moved inside the lerp calculation for increased accuracy
// - a rounding bias is added before dividing by 256
out.Write("(((tevin_d.%s%s)%s)", components, tevBiasTable[bias], tevScaleTableLeft[shift]);
out.Write(" %s ", tevOpTable[op]);
out.Write("((((tevin_a.%s*256 + (tevin_b.%s-tevin_a.%s)*(tevin_c.%s+(tevin_c.%s>>7)))%s)%s)>>8)",
components, components, components, components, components,
tevScaleTableLeft[shift], tevLerpBias[2*op+(shift==3)]);
out.Write(")%s", tevScaleTableRight[shift]);
}
template<class T>
static inline void SampleTexture(T& out, const char *texcoords, const char *texswap, int texmap, API_TYPE ApiType)
{