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SW/Tev: Use TevColorRef/TevAlphaRef instead of raw s16 pointers

This commit is contained in:
Pokechu22 2021-12-21 16:43:38 -08:00
parent ec1ed64832
commit 2db7569463
2 changed files with 217 additions and 194 deletions
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231
Source/Core/VideoBackends/Software/Tev.cpp
View File

@ -29,123 +29,6 @@
void Tev::Init()
{
FixedConstants[0] = 0;
FixedConstants[1] = 32;
FixedConstants[2] = 64;
FixedConstants[3] = 96;
FixedConstants[4] = 128;
FixedConstants[5] = 159;
FixedConstants[6] = 191;
FixedConstants[7] = 223;
FixedConstants[8] = 255;
for (s16& comp : Zero16)
{
comp = 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][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++)
{
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];
// These are "invalid" values, not meant to be used. On hardware,
// they all output zero.
for (int i = 8; i < 16; ++i)
{
m_KonstLUT[i][comp] = &FixedConstants[0];
}
if (comp != ALP_C)
{
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;
@ -179,38 +62,32 @@ void Tev::SetRasColor(RasColorChan colorChan, int swaptable)
case RasColorChan::Color0:
{
const u8* color = Color[0];
RasColor[RED_C] = color[bpmem.tevksel[swaptable].swap1];
RasColor[GRN_C] = color[bpmem.tevksel[swaptable].swap2];
RasColor.r = color[bpmem.tevksel[swaptable].swap1];
RasColor.g = color[bpmem.tevksel[swaptable].swap2];
swaptable++;
RasColor[BLU_C] = color[bpmem.tevksel[swaptable].swap1];
RasColor[ALP_C] = color[bpmem.tevksel[swaptable].swap2];
RasColor.b = color[bpmem.tevksel[swaptable].swap1];
RasColor.a = color[bpmem.tevksel[swaptable].swap2];
}
break;
case RasColorChan::Color1:
{
const u8* color = Color[1];
RasColor[RED_C] = color[bpmem.tevksel[swaptable].swap1];
RasColor[GRN_C] = color[bpmem.tevksel[swaptable].swap2];
RasColor.r = color[bpmem.tevksel[swaptable].swap1];
RasColor.g = color[bpmem.tevksel[swaptable].swap2];
swaptable++;
RasColor[BLU_C] = color[bpmem.tevksel[swaptable].swap1];
RasColor[ALP_C] = color[bpmem.tevksel[swaptable].swap2];
RasColor.b = color[bpmem.tevksel[swaptable].swap1];
RasColor.a = color[bpmem.tevksel[swaptable].swap2];
}
break;
case RasColorChan::AlphaBump:
{
for (s16& comp : RasColor)
{
comp = AlphaBump;
}
RasColor = TevColor::All(AlphaBump);
}
break;
case RasColorChan::NormalizedAlphaBump:
{
const u8 normalized = AlphaBump | AlphaBump >> 5;
for (s16& comp : RasColor)
{
comp = normalized;
}
RasColor = TevColor::All(normalized);
}
break;
default:
@ -218,10 +95,7 @@ void Tev::SetRasColor(RasColorChan colorChan, int swaptable)
if (colorChan != RasColorChan::Zero)
PanicAlertFmt("Invalid ras color channel: {}", colorChan);
for (s16& comp : RasColor)
{
comp = 0;
}
RasColor = TevColor::All(0);
}
break;
}
@ -305,7 +179,7 @@ void Tev::DrawAlphaRegular(const TevStageCombiner::AlphaCombiner& ac, const Inpu
temp;
result = result >> m_ScaleRShiftLUT[u32(ac.scale.Value())];
Reg[u32(ac.dest.Value())][ALP_C] = result;
Reg[u32(ac.dest.Value())].a = result;
}
void Tev::DrawAlphaCompare(const TevStageCombiner::AlphaCombiner& ac, const InputRegType inputs[4])
@ -339,9 +213,9 @@ void Tev::DrawAlphaCompare(const TevStageCombiner::AlphaCombiner& ac, const Inpu
}
if (ac.comparison == TevComparison::GT)
Reg[u32(ac.dest.Value())][ALP_C] = inputs[ALP_C].d + ((a > b) ? inputs[ALP_C].c : 0);
Reg[u32(ac.dest.Value())].a = inputs[ALP_C].d + ((a > b) ? inputs[ALP_C].c : 0);
else
Reg[u32(ac.dest.Value())][ALP_C] = inputs[ALP_C].d + ((a == b) ? inputs[ALP_C].c : 0);
Reg[u32(ac.dest.Value())].a = inputs[ALP_C].d + ((a == b) ? inputs[ALP_C].c : 0);
}
static bool AlphaCompare(int alpha, int ref, CompareMode comp)
@ -548,10 +422,10 @@ void Tev::Draw()
// initial color values
for (int i = 0; i < 4; i++)
{
Reg[i][RED_C] = PixelShaderManager::constants.colors[i][0];
Reg[i][GRN_C] = PixelShaderManager::constants.colors[i][1];
Reg[i][BLU_C] = PixelShaderManager::constants.colors[i][2];
Reg[i][ALP_C] = PixelShaderManager::constants.colors[i][3];
Reg[i].r = PixelShaderManager::constants.colors[i][0];
Reg[i].g = PixelShaderManager::constants.colors[i][1];
Reg[i].b = PixelShaderManager::constants.colors[i][2];
Reg[i].a = PixelShaderManager::constants.colors[i][3];
}
for (unsigned int stageNum = 0; stageNum < bpmem.genMode.numindstages; stageNum++)
@ -634,37 +508,42 @@ void Tev::Draw()
int swaptable = ac.tswap * 2;
TexColor[RED_C] = texel[bpmem.tevksel[swaptable].swap1];
TexColor[GRN_C] = texel[bpmem.tevksel[swaptable].swap2];
TexColor.r = texel[bpmem.tevksel[swaptable].swap1];
TexColor.g = texel[bpmem.tevksel[swaptable].swap2];
swaptable++;
TexColor[BLU_C] = texel[bpmem.tevksel[swaptable].swap1];
TexColor[ALP_C] = texel[bpmem.tevksel[swaptable].swap2];
TexColor.b = texel[bpmem.tevksel[swaptable].swap1];
TexColor.a = texel[bpmem.tevksel[swaptable].swap2];
}
// set konst for this stage
const auto kc = u32(kSel.getKC(stageOdd));
const auto ka = u32(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]);
const auto kc = kSel.getKC(stageOdd);
const auto ka = kSel.getKA(stageOdd);
StageKonst.r = m_KonstLUT[kc].r;
StageKonst.g = m_KonstLUT[kc].g;
StageKonst.b = m_KonstLUT[kc].b;
StageKonst.a = m_KonstLUT[ka].a;
// set color
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[u32(cc.a.Value())][i];
inputs[BLU_C + i].b = *m_ColorInputLUT[u32(cc.b.Value())][i];
inputs[BLU_C + i].c = *m_ColorInputLUT[u32(cc.c.Value())][i];
inputs[BLU_C + i].d = *m_ColorInputLUT[u32(cc.d.Value())][i];
}
inputs[ALP_C].a = *m_AlphaInputLUT[u32(ac.a.Value())];
inputs[ALP_C].b = *m_AlphaInputLUT[u32(ac.b.Value())];
inputs[ALP_C].c = *m_AlphaInputLUT[u32(ac.c.Value())];
inputs[ALP_C].d = *m_AlphaInputLUT[u32(ac.d.Value())];
inputs[BLU_C].a = m_ColorInputLUT[cc.a].b;
inputs[BLU_C].b = m_ColorInputLUT[cc.b].b;
inputs[BLU_C].c = m_ColorInputLUT[cc.c].b;
inputs[BLU_C].d = m_ColorInputLUT[cc.d].b;
inputs[GRN_C].a = m_ColorInputLUT[cc.a].g;
inputs[GRN_C].b = m_ColorInputLUT[cc.b].g;
inputs[GRN_C].c = m_ColorInputLUT[cc.c].g;
inputs[GRN_C].d = m_ColorInputLUT[cc.d].g;
inputs[RED_C].a = m_ColorInputLUT[cc.a].r;
inputs[RED_C].b = m_ColorInputLUT[cc.b].r;
inputs[RED_C].c = m_ColorInputLUT[cc.c].r;
inputs[RED_C].d = m_ColorInputLUT[cc.d].r;
inputs[ALP_C].a = m_AlphaInputLUT[ac.a].a;
inputs[ALP_C].b = m_AlphaInputLUT[ac.b].a;
inputs[ALP_C].c = m_AlphaInputLUT[ac.c].a;
inputs[ALP_C].d = m_AlphaInputLUT[ac.d].a;
if (cc.bias != TevBias::Compare)
DrawColorRegular(cc, inputs);
@ -673,15 +552,15 @@ void Tev::Draw()
if (cc.clamp)
{
Reg[u32(cc.dest.Value())][RED_C] = Clamp255(Reg[u32(cc.dest.Value())][RED_C]);
Reg[u32(cc.dest.Value())][GRN_C] = Clamp255(Reg[u32(cc.dest.Value())][GRN_C]);
Reg[u32(cc.dest.Value())][BLU_C] = Clamp255(Reg[u32(cc.dest.Value())][BLU_C]);
Reg[u32(cc.dest.Value())].r = Clamp255(Reg[u32(cc.dest.Value())].r);
Reg[u32(cc.dest.Value())].g = Clamp255(Reg[u32(cc.dest.Value())].g);
Reg[u32(cc.dest.Value())].b = Clamp255(Reg[u32(cc.dest.Value())].b);
}
else
{
Reg[u32(cc.dest.Value())][RED_C] = Clamp1024(Reg[u32(cc.dest.Value())][RED_C]);
Reg[u32(cc.dest.Value())][GRN_C] = Clamp1024(Reg[u32(cc.dest.Value())][GRN_C]);
Reg[u32(cc.dest.Value())][BLU_C] = Clamp1024(Reg[u32(cc.dest.Value())][BLU_C]);
Reg[u32(cc.dest.Value())].r = Clamp1024(Reg[u32(cc.dest.Value())].r);
Reg[u32(cc.dest.Value())].g = Clamp1024(Reg[u32(cc.dest.Value())].g);
Reg[u32(cc.dest.Value())].b = Clamp1024(Reg[u32(cc.dest.Value())].b);
}
if (ac.bias != TevBias::Compare)
@ -690,14 +569,14 @@ void Tev::Draw()
DrawAlphaCompare(ac, inputs);
if (ac.clamp)
Reg[u32(ac.dest.Value())][ALP_C] = Clamp255(Reg[u32(ac.dest.Value())][ALP_C]);
Reg[u32(ac.dest.Value())].a = Clamp255(Reg[u32(ac.dest.Value())].a);
else
Reg[u32(ac.dest.Value())][ALP_C] = Clamp1024(Reg[u32(ac.dest.Value())][ALP_C]);
Reg[u32(ac.dest.Value())].a = Clamp1024(Reg[u32(ac.dest.Value())].a);
#if ALLOW_TEV_DUMPS
if (g_ActiveConfig.bDumpTevStages)
{
u8 stage[4] = {(u8)Reg[0][RED_C], (u8)Reg[0][GRN_C], (u8)Reg[0][BLU_C], (u8)Reg[0][ALP_C]};
u8 stage[4] = {(u8)Reg[0].r, (u8)Reg[0].g, (u8)Reg[0].b, (u8)Reg[0].a};
DebugUtil::DrawTempBuffer(stage, DIRECT + stageNum);
}
#endif
@ -708,8 +587,8 @@ void Tev::Draw()
// regardless of the used destination register - TODO: Verify!
const u32 color_index = u32(bpmem.combiners[bpmem.genMode.numtevstages].colorC.dest.Value());
const u32 alpha_index = u32(bpmem.combiners[bpmem.genMode.numtevstages].alphaC.dest.Value());
u8 output[4] = {(u8)Reg[alpha_index][ALP_C], (u8)Reg[color_index][BLU_C],
(u8)Reg[color_index][GRN_C], (u8)Reg[color_index][RED_C]};
u8 output[4] = {(u8)Reg[alpha_index].a, (u8)Reg[color_index].r, (u8)Reg[color_index].g,
(u8)Reg[color_index].b};
if (!TevAlphaTest(output[ALP_C]))
return;

180
Source/Core/VideoBackends/Software/Tev.h
View File

@ -3,10 +3,90 @@
#pragma once
#include <array>
#include "Common/EnumMap.h"
#include "VideoCommon/BPMemory.h"
class Tev
{
struct TevColor
{
constexpr TevColor() = default;
constexpr explicit TevColor(s16 a, s16 b, s16 g, s16 r) : a(a), b(b), g(g), r(r) {}
s16 a = 0;
s16 b = 0;
s16 g = 0;
s16 r = 0;
constexpr static TevColor All(s16 value) { return TevColor(value, value, value, value); }
constexpr s16& operator[](int index)
{
switch (index)
{
case ALP_C:
return a;
case BLU_C:
return b;
case GRN_C:
return g;
case RED_C:
return r;
default:
// invalid
return a;
}
}
};
struct TevColorRef
{
constexpr explicit TevColorRef(const s16& r, const s16& g, const s16& b) : r(r), g(g), b(b) {}
const s16& r;
const s16& g;
const s16& b;
constexpr static TevColorRef Color(const TevColor& color)
{
return TevColorRef(color.r, color.g, color.b);
}
constexpr static TevColorRef All(const s16& value) { return TevColorRef(value, value, value); }
constexpr static TevColorRef Alpha(const TevColor& color) { return All(color.a); }
};
struct TevAlphaRef
{
constexpr explicit TevAlphaRef(const TevColor& color) : a(color.a) {}
constexpr explicit TevAlphaRef(const s16& a) : a(a) {}
const s16& a;
};
struct TevKonstRef
{
constexpr explicit TevKonstRef(const s16& a, const s16& r, const s16& g, const s16& b)
: a(a), r(r), g(g), b(b)
{
}
const s16& a;
const s16& r;
const s16& g;
const s16& b;
constexpr static TevKonstRef Value(const s16& value)
{
return TevKonstRef(value, value, value, value);
}
constexpr static TevKonstRef Konst(const s16& alpha, const TevColor& color)
{
return TevKonstRef(alpha, color.r, color.g, color.b);
}
};
struct InputRegType
{
unsigned a : 8;
@ -22,33 +102,97 @@ class Tev
};
// color order: ABGR
s16 Reg[4][4];
s16 KonstantColors[4][4];
s16 TexColor[4];
s16 RasColor[4];
s16 StageKonst[4];
s16 Zero16[4];
std::array<TevColor, 4> Reg;
std::array<TevColor, 4> KonstantColors;
TevColor TexColor;
TevColor RasColor;
TevColor StageKonst;
// Fixed constants, corresponding to KonstSel
static constexpr s16 V0 = 0;
static constexpr s16 V1_8 = 32;
static constexpr s16 V1_4 = 64;
static constexpr s16 V3_8 = 96;
static constexpr s16 V1_2 = 128;
static constexpr s16 V5_8 = 159;
static constexpr s16 V3_4 = 191;
static constexpr s16 V7_8 = 223;
static constexpr s16 V1 = 255;
s16 FixedConstants[9];
u8 AlphaBump;
u8 IndirectTex[4][4];
TextureCoordinateType TexCoord;
s16* m_ColorInputLUT[16][3];
s16* m_AlphaInputLUT[8]; // values must point to ABGR color
s16* m_KonstLUT[32][4];
const Common::EnumMap<TevColorRef, TevColorArg::Zero> m_ColorInputLUT{
TevColorRef::Color(Reg[0]), // prev.rgb
TevColorRef::Alpha(Reg[0]), // prev.aaa
TevColorRef::Color(Reg[1]), // c0.rgb
TevColorRef::Alpha(Reg[1]), // c0.aaa
TevColorRef::Color(Reg[2]), // c1.rgb
TevColorRef::Alpha(Reg[2]), // c1.aaa
TevColorRef::Color(Reg[3]), // c2.rgb
TevColorRef::Alpha(Reg[3]), // c2.aaa
TevColorRef::Color(TexColor), // tex.rgb
TevColorRef::Alpha(TexColor), // tex.aaa
TevColorRef::Color(RasColor), // ras.rgb
TevColorRef::Alpha(RasColor), // ras.aaa
TevColorRef::All(V1), // one
TevColorRef::All(V1_2), // half
TevColorRef::Color(StageKonst), // konst
TevColorRef::All(V0), // zero
};
const Common::EnumMap<TevAlphaRef, TevAlphaArg::Zero> m_AlphaInputLUT{
TevAlphaRef(Reg[0]), // prev
TevAlphaRef(Reg[1]), // c0
TevAlphaRef(Reg[2]), // c1
TevAlphaRef(Reg[3]), // c2
TevAlphaRef(TexColor), // tex
TevAlphaRef(RasColor), // ras
TevAlphaRef(StageKonst), // konst
TevAlphaRef(V0), // zero
};
const Common::EnumMap<TevKonstRef, KonstSel::K3_A> m_KonstLUT{
TevKonstRef::Value(V1), // 1
TevKonstRef::Value(V7_8), // 7/8
TevKonstRef::Value(V3_4), // 3/4
TevKonstRef::Value(V5_8), // 5/8
TevKonstRef::Value(V1_2), // 1/2
TevKonstRef::Value(V3_8), // 3/8
TevKonstRef::Value(V1_4), // 1/4
TevKonstRef::Value(V1_8), // 1/8
// These are "invalid" values, not meant to be used. On hardware,
// they all output zero.
TevKonstRef::Value(V0), TevKonstRef::Value(V0), TevKonstRef::Value(V0),
TevKonstRef::Value(V0),
// These values are valid for RGB only; they're invalid for alpha
TevKonstRef::Konst(V0, KonstantColors[0]), // Konst 0 RGB
TevKonstRef::Konst(V0, KonstantColors[1]), // Konst 1 RGB
TevKonstRef::Konst(V0, KonstantColors[2]), // Konst 2 RGB
TevKonstRef::Konst(V0, KonstantColors[3]), // Konst 3 RGB
TevKonstRef::Value(KonstantColors[0].r), // Konst 0 Red
TevKonstRef::Value(KonstantColors[1].r), // Konst 1 Red
TevKonstRef::Value(KonstantColors[2].r), // Konst 2 Red
TevKonstRef::Value(KonstantColors[3].r), // Konst 3 Red
TevKonstRef::Value(KonstantColors[0].g), // Konst 0 Green
TevKonstRef::Value(KonstantColors[1].g), // Konst 1 Green
TevKonstRef::Value(KonstantColors[2].g), // Konst 2 Green
TevKonstRef::Value(KonstantColors[3].g), // Konst 3 Green
TevKonstRef::Value(KonstantColors[0].b), // Konst 0 Blue
TevKonstRef::Value(KonstantColors[1].b), // Konst 1 Blue
TevKonstRef::Value(KonstantColors[2].b), // Konst 2 Blue
TevKonstRef::Value(KonstantColors[3].b), // Konst 3 Blue
TevKonstRef::Value(KonstantColors[0].a), // Konst 0 Alpha
TevKonstRef::Value(KonstantColors[1].a), // Konst 1 Alpha
TevKonstRef::Value(KonstantColors[2].a), // Konst 2 Alpha
TevKonstRef::Value(KonstantColors[3].a), // Konst 3 Alpha
};
s16 m_BiasLUT[4];
u8 m_ScaleLShiftLUT[4];
u8 m_ScaleRShiftLUT[4];
// enumeration for color input LUT
enum
{
BLU_INP,
GRN_INP,
RED_INP
};
enum BufferBase
{
DIRECT = 0,