archived-hwtests/gxtest/CPMemory.h

// Copyright 2013 Dolphin Emulator Project
// Licensed under GPLv2
// Refer to the license.txt file included.

#ifndef _CPMEMORY_H
#define _CPMEMORY_H

//#include "Common.h"
#include "Common/BitField.h"

// Vertex array numbers
enum
{
  ARRAY_POSITION = 0,
  ARRAY_NORMAL = 1,
  ARRAY_COLOR = 2,
  ARRAY_COLOR2 = 3,
  ARRAY_TEXCOORD0 = 4,
};

// Vertex components
enum
{
  NOT_PRESENT = 0,
  DIRECT = 1,
  INDEX8 = 2,
  INDEX16 = 3,
};

enum
{
  FORMAT_UBYTE = 0,  // 2 Cmp
  FORMAT_BYTE = 1,   // 3 Cmp
  FORMAT_USHORT = 2,
  FORMAT_SHORT = 3,
  FORMAT_FLOAT = 4,
};

enum
{
  FORMAT_16B_565 = 0,  // NA
  FORMAT_24B_888 = 1,
  FORMAT_32B_888x = 2,
  FORMAT_16B_4444 = 3,
  FORMAT_24B_6666 = 4,
  FORMAT_32B_8888 = 5,
};

enum
{
  VAT_0_FRACBITS = 0x3e0001f0,
  VAT_1_FRACBITS = 0x07c3e1f0,
  VAT_2_FRACBITS = 0xf87c3e1f,
};

enum
{
  VA_PTNMTXIDX = 0,
  VA_TEX0MTXIDX = 1,
  VA_TEX1MTXIDX = 2,
  VA_TEX2MTXIDX = 3,
  VA_TEX3MTXIDX = 4,
  VA_TEX4MTXIDX = 5,
  VA_TEX5MTXIDX = 6,
  VA_TEX6MTXIDX = 7,
  VA_TEX7MTXIDX = 8,
  VA_POS = 9,
  VA_NRM = 10,
  VA_CLR0 = 11,
  VA_CLR1 = 12,
  VA_TEX0 = 13,
  VA_TEX1 = 14,
  VA_TEX2 = 15,
  VA_TEX3 = 16,
  VA_TEX4 = 17,
  VA_TEX5 = 18,
  VA_TEX6 = 19,
  VA_TEX7 = 20,
  VA_POSMTXARRAY = 21,
  VA_NRMMTXARRAY = 22,
  VA_TEXMTXARRAY = 23,
  VA_LIGHTARRAY = 24,
  VA_NBT = 25,
  VA_MAXATTR = 26,
  VA_NULL = 0xff
};

// Vertex attribute component format
enum
{
  VA_FMT_U8 = 0,
  VA_FMT_S8 = 1,
  VA_FMT_U16 = 2,
  VA_FMT_S16 = 3,
  VA_FMT_F32 = 4
};

enum
{
  VA_FMT_RGB565 = 0,
  VA_FMT_RGB8 = 1,
  VA_FMT_RGBX8 = 2,
  VA_FMT_RGBA4 = 3,
  VA_FMT_RGBA6 = 4,
  VA_FMT_RGBA8 = 5
};

// Vertex attribute component types
enum
{
  VA_TYPE_POS_XY = 0,
  VA_TYPE_POS_XYZ = 1
};

enum
{
  VA_TYPE_NRM_XYZ = 0,
  VA_TYPE_NRM_NBT = 1,
  VA_TYPE_NRM_NBT3 = 2
};

enum
{
  VA_TYPE_CLR_RGB = 0,
  VA_TYPE_CLR_RGBA = 1,
};

enum
{
  VA_TYPE_TEX_S = 0,
  VA_TYPE_TEX_ST = 1,
};

enum
{
  VTXATTR_NONE = 0,
  VTXATTR_DIRECT = 1,
  VTXATTR_INDEX8 = 2,
  VTXATTR_INDEX16 = 3
};

#pragma pack(4)
union TVtxDesc
{
  u64 Hex;

  BitField<0, 32, u64> Hex0;
  BitField<32, 32, u64> Hex1;

  // Note: Access to this array is not endianness-independent.
  u8 byte[8];

  BitField<0, 1, u64> PosMatIdx;
  BitField<1, 1, u64> Tex0MatIdx;
  BitField<2, 1, u64> Tex1MatIdx;
  BitField<3, 1, u64> Tex2MatIdx;
  BitField<4, 1, u64> Tex3MatIdx;
  BitField<5, 1, u64> Tex4MatIdx;
  BitField<6, 1, u64> Tex5MatIdx;
  BitField<7, 1, u64> Tex6MatIdx;
  BitField<8, 1, u64> Tex7MatIdx;
  BitField<9, 2, u64> Position;
  BitField<11, 2, u64> Normal;
  BitField<13, 2, u64> Color0;
  BitField<15, 2, u64> Color1;
  BitField<17, 2, u64> Tex0Coord;
  BitField<19, 2, u64> Tex1Coord;
  BitField<21, 2, u64> Tex2Coord;
  BitField<23, 2, u64> Tex3Coord;
  BitField<25, 2, u64> Tex4Coord;
  BitField<27, 2, u64> Tex5Coord;
  BitField<29, 2, u64> Tex6Coord;
  BitField<31, 2, u64> Tex7Coord;
  // 31 unused bits follow
};

union UVAT_group0
{
  BitField<0, 1, u32> PosElements;
  BitField<1, 3, u32> PosFormat;
  BitField<4, 5, u32> PosFrac;

  BitField<9, 1, u32> NormalElements;
  BitField<10, 3, u32> NormalFormat;

  BitField<13, 1, u32> Color0Elements;
  BitField<14, 3, u32> Color0Comp;

  BitField<17, 1, u32> Color1Elements;
  BitField<18, 3, u32> Color1Comp;

  BitField<21, 1, u32> Tex0CoordElements;
  BitField<22, 3, u32> Tex0CoordFormat;
  BitField<25, 5, u32> Tex0Frac;

  BitField<30, 1, u32> ByteDequant;
  BitField<31, 1, u32> NormalIndex3;

  u32 Hex;
};

union UVAT_group1
{
  BitField<0, 1, u32> Tex1CoordElements;
  BitField<1, 3, u32> Tex1CoordFormat;
  BitField<4, 5, u32> Tex1Frac;

  BitField<9, 1, u32> Tex2CoordElements;
  BitField<10, 3, u32> Tex2CoordFormat;
  BitField<13, 5, u32> Tex2Frac;

  BitField<18, 1, u32> Tex3CoordElements;
  BitField<19, 3, u32> Tex3CoordFormat;
  BitField<22, 5, u32> Tex3Frac;

  BitField<27, 1, u32> Tex4CoordElements;
  BitField<28, 3, u32> Tex4CoordFormat;
  // 1 bit unused

  u32 Hex;
};

union UVAT_group2
{
  BitField<0, 5, u32> Tex4Frac;

  BitField<5, 1, u32> Tex5CoordElements;
  BitField<6, 3, u32> Tex5CoordFormat;
  BitField<9, 5, u32> Tex5Frac;

  BitField<14, 1, u32> Tex6CoordElements;
  BitField<15, 3, u32> Tex6CoordFormat;
  BitField<18, 5, u32> Tex6Frac;

  BitField<23, 1, u32> Tex7CoordElements;
  BitField<24, 3, u32> Tex7CoordFormat;
  BitField<27, 5, u32> Tex7Frac;

  u32 Hex;
};

struct ColorAttr
{
  u8 Elements;
  u8 Comp;
};

struct TexAttr
{
  u8 Elements;
  u8 Format;
  u8 Frac;
};

struct TVtxAttr
{
  u8 PosElements;
  u8 PosFormat;
  u8 PosFrac;
  u8 NormalElements;
  u8 NormalFormat;
  ColorAttr color[2];
  TexAttr texCoord[8];
  u8 ByteDequant;
  u8 NormalIndex3;
};

// Matrix indices
union TMatrixIndexA
{
  BitField<0, 6, u32> PosNormalMtxIdx;
  BitField<6, 6, u32> Tex0MtxIdx;
  BitField<12, 6, u32> Tex1MtxIdx;
  BitField<18, 6, u32> Tex2MtxIdx;
  BitField<24, 6, u32> Tex3MtxIdx;

  BitField<0, 30, u32> Hex;
};

union TMatrixIndexB
{
  BitField<0, 6, u32> Tex4MtxIdx;
  BitField<6, 6, u32> Tex5MtxIdx;
  BitField<12, 6, u32> Tex6MtxIdx;
  BitField<18, 6, u32> Tex7MtxIdx;

  BitField<0, 24, u32> Hex;
};

#pragma pack()

extern u32 arraybases[16];
extern u8* cached_arraybases[16];
extern u32 arraystrides[16];
extern TMatrixIndexA MatrixIndexA;
extern TMatrixIndexB MatrixIndexB;

struct VAT
{
  UVAT_group0 g0;
  UVAT_group1 g1;
  UVAT_group2 g2;
};

extern TVtxDesc g_VtxDesc;
extern VAT g_VtxAttr[8];

// Might move this into its own file later.
// void LoadCPReg(u32 SubCmd, u32 Value);

// Fills memory with data from CP regs
// void FillCPMemoryArray(u32 *memory);

#endif  // _CPMEMORY_H