#ifndef _DNACOMMON_GX_HPP_
#define _DNACOMMON_GX_HPP_

#include <Athena/DNA.hpp>

namespace GX
{

/* RGBA8 structure (GXColor) */
struct Color : Athena::io::DNA<Athena::BigEndian>
{
    Value<atUint8> r;
    Value<atUint8> g;
    Value<atUint8> b;
    Value<atUint8> a;
    Delete expl;
    void read(Athena::io::IStreamReader& reader)
    {reader.readUBytesToBuf(&r, 4);}
    void write(Athena::io::IStreamWriter& writer) const
    {writer.writeUBytes(&r, 4);}
};

/* GX enums */

enum AttrType
{
    NONE,
    DIRECT,
    INDEX8,
    INDEX16
};

enum TevColorArg {
    CC_CPREV         = 0,                /*!< Use the color value from previous TEV stage */
    CC_APREV         = 1,                /*!< Use the alpha value from previous TEV stage */
    CC_C0            = 2,                /*!< Use the color value from the color/output register 0 */
    CC_A0            = 3,                /*!< Use the alpha value from the color/output register 0 */
    CC_C1            = 4,                /*!< Use the color value from the color/output register 1 */
    CC_A1            = 5,                /*!< Use the alpha value from the color/output register 1 */
    CC_C2            = 6,                /*!< Use the color value from the color/output register 2 */
    CC_A2            = 7,                /*!< Use the alpha value from the color/output register 2 */
    CC_TEXC          = 8,                /*!< Use the color value from texture */
    CC_TEXA          = 9,                /*!< Use the alpha value from texture */
    CC_RASC          = 10,               /*!< Use the color value from rasterizer */
    CC_RASA          = 11,               /*!< Use the alpha value from rasterizer */
    CC_ONE           = 12,
    CC_HALF          = 13,
    CC_KONST         = 14,
    CC_ZERO          = 15                /*!< Use to pass zero value */
};

enum TevAlphaArg {
    CA_APREV         = 0,                /*!< Use the alpha value from previous TEV stage */
    CA_A0            = 1,                /*!< Use the alpha value from the color/output register 0 */
    CA_A1            = 2,                /*!< Use the alpha value from the color/output register 1 */
    CA_A2            = 3,                /*!< Use the alpha value from the color/output register 2 */
    CA_TEXA          = 4,                /*!< Use the alpha value from texture */
    CA_RASA          = 5,                /*!< Use the alpha value from rasterizer */
    CA_KONST         = 6,
    CA_ZERO          = 7                 /*!< Use to pass zero value */
};

enum TevKColorSel
{
    TEV_KCSEL_8_8  = 0x00,
    TEV_KCSEL_7_8  = 0x01,
    TEV_KCSEL_6_8  = 0x02,
    TEV_KCSEL_5_8  = 0x03,
    TEV_KCSEL_4_8  = 0x04,
    TEV_KCSEL_3_8  = 0x05,
    TEV_KCSEL_2_8  = 0x06,
    TEV_KCSEL_1_8  = 0x07,

    TEV_KCSEL_1    = TEV_KCSEL_8_8,
    TEV_KCSEL_3_4  = TEV_KCSEL_6_8,
    TEV_KCSEL_1_2  = TEV_KCSEL_4_8,
    TEV_KCSEL_1_4  = TEV_KCSEL_2_8,

    TEV_KCSEL_K0   = 0x0C,
    TEV_KCSEL_K1   = 0x0D,
    TEV_KCSEL_K2   = 0x0E,
    TEV_KCSEL_K3   = 0x0F,
    TEV_KCSEL_K0_R = 0x10,
    TEV_KCSEL_K1_R = 0x11,
    TEV_KCSEL_K2_R = 0x12,
    TEV_KCSEL_K3_R = 0x13,
    TEV_KCSEL_K0_G = 0x14,
    TEV_KCSEL_K1_G = 0x15,
    TEV_KCSEL_K2_G = 0x16,
    TEV_KCSEL_K3_G = 0x17,
    TEV_KCSEL_K0_B = 0x18,
    TEV_KCSEL_K1_B = 0x19,
    TEV_KCSEL_K2_B = 0x1A,
    TEV_KCSEL_K3_B = 0x1B,
    TEV_KCSEL_K0_A = 0x1C,
    TEV_KCSEL_K1_A = 0x1D,
    TEV_KCSEL_K2_A = 0x1E,
    TEV_KCSEL_K3_A = 0x1F
};

enum TevKAlphaSel
{
    TEV_KASEL_8_8  = 0x00,
    TEV_KASEL_7_8  = 0x01,
    TEV_KASEL_6_8  = 0x02,
    TEV_KASEL_5_8  = 0x03,
    TEV_KASEL_4_8  = 0x04,
    TEV_KASEL_3_8  = 0x05,
    TEV_KASEL_2_8  = 0x06,
    TEV_KASEL_1_8  = 0x07,

    TEV_KASEL_1    = TEV_KASEL_8_8,
    TEV_KASEL_3_4  = TEV_KASEL_6_8,
    TEV_KASEL_1_2  = TEV_KASEL_4_8,
    TEV_KASEL_1_4  = TEV_KASEL_2_8,

    TEV_KASEL_K0_R = 0x10,
    TEV_KASEL_K1_R = 0x11,
    TEV_KASEL_K2_R = 0x12,
    TEV_KASEL_K3_R = 0x13,
    TEV_KASEL_K0_G = 0x14,
    TEV_KASEL_K1_G = 0x15,
    TEV_KASEL_K2_G = 0x16,
    TEV_KASEL_K3_G = 0x17,
    TEV_KASEL_K0_B = 0x18,
    TEV_KASEL_K1_B = 0x19,
    TEV_KASEL_K2_B = 0x1A,
    TEV_KASEL_K3_B = 0x1B,
    TEV_KASEL_K0_A = 0x1C,
    TEV_KASEL_K1_A = 0x1D,
    TEV_KASEL_K2_A = 0x1E,
    TEV_KASEL_K3_A = 0x1F
};

enum TevOp {
    TEV_ADD              = 0,
    TEV_SUB              = 1,
    TEV_COMP_R8_GT       = 8,
    TEV_COMP_R8_EQ       = 9,
    TEV_COMP_GR16_GT     = 10,
    TEV_COMP_GR16_EQ     = 11,
    TEV_COMP_BGR24_GT    = 12,
    TEV_COMP_BGR24_EQ    = 13,
    TEV_COMP_RGB8_GT     = 14,
    TEV_COMP_RGB8_EQ     = 15,
    TEV_COMP_A8_GT       = TEV_COMP_RGB8_GT,     // for alpha channel
    TEV_COMP_A8_EQ       = TEV_COMP_RGB8_EQ  // for alpha channel
};

enum TevBias {
    TB_ZERO          = 0,
    TB_ADDHALF       = 1,
    TB_SUBHALF       = 2,
};

enum TevScale {
    CS_SCALE_1       = 0,
    CS_SCALE_2       = 1,
    CS_SCALE_4       = 2,
    CS_DIVIDE_2      = 3
};

enum TevRegID {
    TEVPREV       = 0,
    TEVREG0       = 1,
    TEVREG1       = 2,
    TEVREG2       = 3
};

enum TexGenType
{
    TG_MTX3x4 = 0,
    TG_MTX2x4,
    TG_BUMP0,
    TG_BUMP1,
    TG_BUMP2,
    TG_BUMP3,
    TG_BUMP4,
    TG_BUMP5,
    TG_BUMP6,
    TG_BUMP7,
    TG_SRTG
};

enum TexGenSrc
{
    TG_POS = 0,
    TG_NRM,
    TG_BINRM,
    TG_TANGENT,
    TG_TEX0,
    TG_TEX1,
    TG_TEX2,
    TG_TEX3,
    TG_TEX4,
    TG_TEX5,
    TG_TEX6,
    TG_TEX7,
    TG_TEXCOORD0,
    TG_TEXCOORD1,
    TG_TEXCOORD2,
    TG_TEXCOORD3,
    TG_TEXCOORD4,
    TG_TEXCOORD5,
    TG_TEXCOORD6,
    TG_COLOR0,
    TG_COLOR1
};

enum TexMtx
{
    TEXMTX0  = 30,
    TEXMTX1  = 33,
    TEXMTX2  = 36,
    TEXMTX3  = 39,
    TEXMTX4  = 42,
    TEXMTX5  = 45,
    TEXMTX6  = 48,
    TEXMTX7  = 51,
    TEXMTX8  = 54,
    TEXMTX9  = 57,
    IDENTITY = 60
};

enum PTTexMtx
{
    PTTEXMTX0  = 64,
    PTTEXMTX1  = 67,
    PTTEXMTX2  = 70,
    PTTEXMTX3  = 73,
    PTTEXMTX4  = 76,
    PTTEXMTX5  = 79,
    PTTEXMTX6  = 82,
    PTTEXMTX7  = 85,
    PTTEXMTX8  = 88,
    PTTEXMTX9  = 91,
    PTTEXMTX10 = 94,
    PTTEXMTX11 = 97,
    PTTEXMTX12 = 100,
    PTTEXMTX13 = 103,
    PTTEXMTX14 = 106,
    PTTEXMTX15 = 109,
    PTTEXMTX16 = 112,
    PTTEXMTX17 = 115,
    PTTEXMTX18 = 118,
    PTTEXMTX19 = 121,
    PTIDENTITY = 125
};

enum Primitive
{
    POINTS        = 0xb8,
    LINES         = 0xa8,
    LINESTRIP     = 0xb0,
    TRIANGLES     = 0x90,
    TRIANGLESTRIP = 0x98,
    TRIANGLEFAN   = 0xa0,
    QUADS         = 0x80

};

}

#endif // _DNACOMMON_GX_HPP_