forked from dolphin-emu/dolphin
		
	
		
			
				
	
	
		
			92 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			92 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
// Copyright 2009 Dolphin Emulator Project
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// Licensed under GPLv2+
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// Refer to the license.txt file included.
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#pragma once
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#include "VideoCommon/BPMemory.h"
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class Tev
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{
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  struct InputRegType
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  {
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    unsigned a : 8;
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    unsigned b : 8;
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    unsigned c : 8;
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    signed d : 11;
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  };
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  struct TextureCoordinateType
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  {
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    signed s : 24;
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    signed t : 24;
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  };
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  // color order: ABGR
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  s16 Reg[4][4];
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  s16 KonstantColors[4][4];
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  s16 TexColor[4];
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  s16 RasColor[4];
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  s16 StageKonst[4];
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  s16 Zero16[4];
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  s16 FixedConstants[9];
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  u8 AlphaBump;
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  u8 IndirectTex[4][4];
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  TextureCoordinateType TexCoord;
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  s16* m_ColorInputLUT[16][3];
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  s16* m_AlphaInputLUT[8];  // values must point to ABGR color
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  s16* m_KonstLUT[32][4];
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  s16 m_BiasLUT[4];
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  u8 m_ScaleLShiftLUT[4];
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  u8 m_ScaleRShiftLUT[4];
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  // enumeration for color input LUT
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  enum
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  {
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    BLU_INP,
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    GRN_INP,
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    RED_INP
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  };
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  enum BufferBase
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  {
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    DIRECT = 0,
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    DIRECT_TFETCH = 16,
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    INDIRECT = 32
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  };
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  void SetRasColor(int colorChan, int swaptable);
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  void DrawColorRegular(const TevStageCombiner::ColorCombiner& cc, const InputRegType inputs[4]);
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  void DrawColorCompare(const TevStageCombiner::ColorCombiner& cc, const InputRegType inputs[4]);
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  void DrawAlphaRegular(const TevStageCombiner::AlphaCombiner& ac, const InputRegType inputs[4]);
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  void DrawAlphaCompare(const TevStageCombiner::AlphaCombiner& ac, const InputRegType inputs[4]);
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  void Indirect(unsigned int stageNum, s32 s, s32 t);
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public:
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  s32 Position[3];
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  u8 Color[2][4];  // must be RGBA for correct swap table ordering
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  TextureCoordinateType Uv[8];
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  s32 IndirectLod[4];
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  bool IndirectLinear[4];
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  s32 TextureLod[16];
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  bool TextureLinear[16];
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  enum
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  {
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    ALP_C,
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    BLU_C,
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    GRN_C,
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    RED_C
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  };
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  void Init();
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  void Draw();
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  void SetRegColor(int reg, int comp, s16 color);
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};
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