#ifndef _TEXTUREDECODER_H
#define _TEXTUREDECODER_H

#include "Common.h"
#include "D3DBase.h"


enum 
{
	TMEM_SIZE = 1024*1024,
	HALFTMEM_SIZE = 512*1024
};
extern u8 texMem[TMEM_SIZE];


enum TextureFormat
{
    GX_TF_I4     = 0x0,
    GX_TF_I8     = 0x1,
    GX_TF_IA4    = 0x2,
    GX_TF_IA8    = 0x3,
    GX_TF_RGB565 = 0x4,
    GX_TF_RGB5A3 = 0x5,
    GX_TF_RGBA8  = 0x6,
    GX_TF_C4     = 0x8,
    GX_TF_C8     = 0x9,
    GX_TF_C14X2  = 0xA,
    GX_TF_CMPR   = 0xE,

    _GX_TF_CTF   = 0x20,  // copy-texture-format only (simply means linear?)
    _GX_TF_ZTF   = 0x10,  // Z-texture-format

    // these formats are also valid when copying targets
    GX_CTF_R4    = 0x0 | _GX_TF_CTF,
    GX_CTF_RA4   = 0x2 | _GX_TF_CTF,
    GX_CTF_RA8   = 0x3 | _GX_TF_CTF,
    GX_CTF_YUVA8 = 0x6 | _GX_TF_CTF,
    GX_CTF_A8    = 0x7 | _GX_TF_CTF,
    GX_CTF_R8    = 0x8 | _GX_TF_CTF,
    GX_CTF_G8    = 0x9 | _GX_TF_CTF,
    GX_CTF_B8    = 0xA | _GX_TF_CTF,
    GX_CTF_RG8   = 0xB | _GX_TF_CTF,
    GX_CTF_GB8   = 0xC | _GX_TF_CTF,

    GX_TF_Z8     = 0x1 | _GX_TF_ZTF,
    GX_TF_Z16    = 0x3 | _GX_TF_ZTF,
    GX_TF_Z24X8  = 0x6 | _GX_TF_ZTF,

    GX_CTF_Z4    = 0x0 | _GX_TF_ZTF | _GX_TF_CTF,
    GX_CTF_Z8M   = 0x9 | _GX_TF_ZTF | _GX_TF_CTF,
    GX_CTF_Z8L   = 0xA | _GX_TF_ZTF | _GX_TF_CTF,
    GX_CTF_Z16L  = 0xC | _GX_TF_ZTF | _GX_TF_CTF,
};

int TexDecoder_GetTexelSizeInNibbles(int format);
int TexDecoder_GetBlockWidthInTexels(int format);
int TexDecoder_GetPaletteSize(int fmt);

D3DFORMAT TexDecoder_Decode(u8 *dst, u8 *src, int width, int height, int texformat, int tlutaddr, int tlutfmt);

#endif