dolphin/Source/Core/VideoBackends/Software/Tev.h

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// Copyright 2013 Dolphin Emulator Project
// Licensed under GPLv2
// Refer to the license.txt file included.
#pragma once
#include "Common/ChunkFile.h"
#include "VideoBackends/Software/BPMemLoader.h"
class Tev
{
struct InputRegType
{
unsigned a : 8;
unsigned b : 8;
unsigned c : 8;
signed d : 11;
};
struct TextureCoordinateType
{
signed s : 24;
signed t : 24;
};
// color order: ABGR
s16 Reg[4][4];
s16 KonstantColors[4][4];
s16 TexColor[4];
s16 RasColor[4];
s16 StageKonst[4];
s16 Zero16[4];
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];
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,
DIRECT_TFETCH = 16,
INDIRECT = 32
};
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 Indirect(unsigned int stageNum, s32 s, s32 t);
public:
s32 Position[3];
u8 Color[2][4]; // must be RGBA for correct swap table ordering
TextureCoordinateType Uv[8];
s32 IndirectLod[4];
bool IndirectLinear[4];
s32 TextureLod[16];
bool TextureLinear[16];
void Init();
void Draw();
void SetRegColor(int reg, int comp, bool konst, s16 color);
enum { ALP_C, BLU_C, GRN_C, RED_C };
void DoState(PointerWrap &p);
};