447 lines
11 KiB
C++
447 lines
11 KiB
C++
|
#include "stdafx.h"
|
||
|
|
#include "D3DBase.h"
|
||
|
|
|
||
|
|
#include "main.h"
|
||
|
|
#include "Utils.h"
|
||
|
|
|
||
|
|
#include "BPStructs.h"
|
||
|
|
#include "TextureDecoder.h"
|
||
|
|
|
||
|
|
#include "OpcodeDecoding.h"
|
||
|
|
|
||
|
|
|
||
|
|
// TRAM
|
||
|
|
u8 texMem[TMEM_SIZE];
|
||
|
|
|
||
|
|
//////////////////////////////////////////////////////////////////////////
|
||
|
|
// Gamecube texture decoder
|
||
|
|
//////////////////////////////////////////////////////////////////////////
|
||
|
|
// Decodes all known Gamecube texture formats.
|
||
|
|
// TODO - speedup
|
||
|
|
// by ector
|
||
|
|
//////////////////////////////////////////////////////////////////////////
|
||
|
|
int TexDecoder_GetTexelSizeInNibbles(int format)
|
||
|
|
{
|
||
|
|
switch(format) {
|
||
|
|
case GX_TF_I4: return 1;
|
||
|
|
case GX_TF_I8: return 2;
|
||
|
|
case GX_TF_IA4: return 2;
|
||
|
|
case GX_TF_IA8: return 4;
|
||
|
|
case GX_TF_RGB565: return 4;
|
||
|
|
case GX_TF_RGB5A3: return 4;
|
||
|
|
case GX_TF_RGBA8: return 8;
|
||
|
|
case GX_TF_C4: return 1;
|
||
|
|
case GX_TF_C8: return 2;
|
||
|
|
case GX_TF_C14X2: return 4;
|
||
|
|
case GX_TF_CMPR: return 1;
|
||
|
|
default: return 1;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
int TexDecoder_GetBlockWidthInTexels(int format)
|
||
|
|
{
|
||
|
|
switch(format) {
|
||
|
|
case GX_TF_I4: return 8;
|
||
|
|
case GX_TF_I8: return 8;
|
||
|
|
case GX_TF_IA4: return 8;
|
||
|
|
case GX_TF_IA8: return 4;
|
||
|
|
case GX_TF_RGB565: return 4;
|
||
|
|
case GX_TF_RGB5A3: return 4;
|
||
|
|
case GX_TF_RGBA8: return 4;
|
||
|
|
case GX_TF_C4: return 8;
|
||
|
|
case GX_TF_C8: return 8;
|
||
|
|
case GX_TF_C14X2: return 4;
|
||
|
|
case GX_TF_CMPR: return 8;
|
||
|
|
default:return 8;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
//returns bytes
|
||
|
|
int TexDecoder_GetPaletteSize(int format)
|
||
|
|
{
|
||
|
|
switch (format) {
|
||
|
|
case GX_TF_C4: return 16*2;
|
||
|
|
case GX_TF_C8: return 256*2;
|
||
|
|
case GX_TF_C14X2: return 16384*2;
|
||
|
|
default:
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
inline u32 decode565(u16 val)
|
||
|
|
{
|
||
|
|
int r,g,b,a;
|
||
|
|
r=lut5to8[(val>>11)&0x1f];
|
||
|
|
g=lut6to8[(val>>5 )&0x3f];
|
||
|
|
b=lut5to8[(val )&0x1f];
|
||
|
|
a=0xFF;
|
||
|
|
return (a<<24) | (r<<16) | (g<<8) | b;
|
||
|
|
}
|
||
|
|
|
||
|
|
inline u32 decodeIA8(u16 val)
|
||
|
|
{
|
||
|
|
int a=val>>8;
|
||
|
|
int r,g,b;
|
||
|
|
r=g=b=val&0xFF;
|
||
|
|
return (a<<24) | (r<<16) | (g<<8) | b;
|
||
|
|
}
|
||
|
|
|
||
|
|
inline u32 decode5A3(u16 val)
|
||
|
|
{
|
||
|
|
int r,g,b,a;
|
||
|
|
if ((val&0x8000))
|
||
|
|
{
|
||
|
|
r=lut5to8[(val>>10)&0x1f];
|
||
|
|
g=lut5to8[(val>>5 )&0x1f];
|
||
|
|
b=lut5to8[(val )&0x1f];
|
||
|
|
a=0xFF;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
a=lut3to8[(val>>12)&0x7];
|
||
|
|
r=lut4to8[(val>>8 )&0xf];
|
||
|
|
g=lut4to8[(val>>4 )&0xf];
|
||
|
|
b=lut4to8[(val )&0xf];
|
||
|
|
}
|
||
|
|
return (a<<24) | (r<<16) | (g<<8) | b;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
struct DXTBlock
|
||
|
|
{
|
||
|
|
u16 color1;
|
||
|
|
u16 color2;
|
||
|
|
u8 lines[4];
|
||
|
|
};
|
||
|
|
|
||
|
|
inline int expand8888(const int j)
|
||
|
|
{
|
||
|
|
int i = j | (j<<8);
|
||
|
|
return i|(i<<16);
|
||
|
|
}
|
||
|
|
|
||
|
|
void decodebytesI4(u32 *dst, u8 *src, int numbytes)
|
||
|
|
{
|
||
|
|
for (int x=0; x<numbytes; x++)
|
||
|
|
{
|
||
|
|
int val = src[x];
|
||
|
|
*dst++ = expand8888(lut4to8[val>>4]);
|
||
|
|
*dst++ = expand8888(lut4to8[val&15]);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void decodebytesI8(u32 *dst, u8 *src, int numbytes)
|
||
|
|
{
|
||
|
|
for (int x=0; x<numbytes; x++)
|
||
|
|
*dst++ = expand8888(src[x]); //asm bswap loop?
|
||
|
|
}
|
||
|
|
|
||
|
|
void decodebytesC4(u32 *dst, u8 *src, int numbytes, int tlutaddr, int tlutfmt)
|
||
|
|
{
|
||
|
|
u16 *tlut = (u16*)(texMem+tlutaddr);
|
||
|
|
for (int x=0; x<numbytes; x++)
|
||
|
|
{
|
||
|
|
int val = src[x];
|
||
|
|
switch(tlutfmt) {
|
||
|
|
case 0:
|
||
|
|
*dst++ = decodeIA8(_byteswap_ushort(tlut[(val>>4)]));
|
||
|
|
*dst++ = decodeIA8(_byteswap_ushort(tlut[(val&15)]));
|
||
|
|
break;
|
||
|
|
case 1:
|
||
|
|
*dst++ = decode565(_byteswap_ushort(tlut[(val>>4)]));
|
||
|
|
*dst++ = decode565(_byteswap_ushort(tlut[(val&15)]));
|
||
|
|
break;
|
||
|
|
case 2:
|
||
|
|
*dst++ = decode5A3(_byteswap_ushort(tlut[(val>>4)]));
|
||
|
|
*dst++ = decode5A3(_byteswap_ushort(tlut[(val&15)]));
|
||
|
|
break;
|
||
|
|
case 3: //ERROR
|
||
|
|
*dst++ = 0xFFFF00FF;
|
||
|
|
*dst++ = 0xFFFF00FF;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void decodebytesC8(u32 *dst, u8 *src, int numbytes, int tlutaddr, int tlutfmt)
|
||
|
|
{
|
||
|
|
u16 *tlut = (u16*)(texMem+tlutaddr);
|
||
|
|
for (int x=0; x<numbytes; x++)
|
||
|
|
{
|
||
|
|
int val = src[x];
|
||
|
|
switch(tlutfmt) {
|
||
|
|
case 0:
|
||
|
|
*dst++ = decodeIA8(_byteswap_ushort(tlut[val]));
|
||
|
|
break;
|
||
|
|
case 1:
|
||
|
|
*dst++ = decode565(_byteswap_ushort(tlut[val]));
|
||
|
|
break;
|
||
|
|
case 2:
|
||
|
|
*dst++ = decode5A3(_byteswap_ushort(tlut[val]));
|
||
|
|
break;
|
||
|
|
case 3: //ERROR
|
||
|
|
*dst++ = 0xFFFF00FF;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
void decodebytesC14X2(u32 *dst, u16 *src, int numpixels, int tlutaddr, int tlutfmt)
|
||
|
|
{
|
||
|
|
u16 *tlut = (u16*)(texMem+tlutaddr);
|
||
|
|
for (int x=0; x<numpixels; x++)
|
||
|
|
{
|
||
|
|
int val = _byteswap_ushort(src[x]);
|
||
|
|
switch(tlutfmt) {
|
||
|
|
case 0:
|
||
|
|
*dst++ = decodeIA8(_byteswap_ushort(tlut[(val&0x3FFF)]));
|
||
|
|
break;
|
||
|
|
case 1:
|
||
|
|
*dst++ = decode565(_byteswap_ushort(tlut[(val&0x3FFF)]));
|
||
|
|
break;
|
||
|
|
case 2:
|
||
|
|
*dst++ = decode5A3(_byteswap_ushort(tlut[(val&0x3FFF)]));
|
||
|
|
break;
|
||
|
|
case 3: //ERROR
|
||
|
|
*dst++ = 0xFFFF00FF;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void decodebytesRGB565(u32 *dst, u16 *src, int numpixels)
|
||
|
|
{
|
||
|
|
for (int x=0; x<numpixels; x++)
|
||
|
|
*dst++ = decode565(_byteswap_ushort(src[x]));
|
||
|
|
}
|
||
|
|
|
||
|
|
void decodebytesIA4(u32 *dst, u8 *src, int numbytes)
|
||
|
|
{
|
||
|
|
for (int x=0; x<numbytes; x++)
|
||
|
|
{
|
||
|
|
int val = src[x];
|
||
|
|
|
||
|
|
int a = lut4to8[val>>4];
|
||
|
|
int r = lut4to8[val&15];
|
||
|
|
*dst++ = (a<<24) | (r<<16) | (r<<8) | r;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
inline void decodebytesIA8(u32 *dst, u16 *src, int numpixels)
|
||
|
|
{
|
||
|
|
for (int x=0; x<numpixels; x++)
|
||
|
|
*dst++ = decodeIA8(_byteswap_ushort(src[x]));
|
||
|
|
}
|
||
|
|
|
||
|
|
inline void decodebytesRGB5A3(u32 *dst, u16 *src, int numpixels)
|
||
|
|
{
|
||
|
|
for (int x=0; x<numpixels; x++)
|
||
|
|
*dst++ = decode5A3(_byteswap_ushort(src[x]));
|
||
|
|
}
|
||
|
|
|
||
|
|
void decodebytesARGB8pass1(u32 *dst, u16 *src, int numpixels)
|
||
|
|
{
|
||
|
|
for (int x=0; x<numpixels; x++)
|
||
|
|
{
|
||
|
|
int val = _byteswap_ushort(src[x]);
|
||
|
|
int a=val&0xFF;
|
||
|
|
val>>=8;
|
||
|
|
|
||
|
|
*dst++ = (a<<16) | (val<<24);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
void decodebytesARGB8pass2(u32 *dst, u16 *src, int numpixels)
|
||
|
|
{
|
||
|
|
for (int x=0; x<numpixels; x++)
|
||
|
|
{
|
||
|
|
int val = _byteswap_ushort(src[x]);
|
||
|
|
int a=val&0xFF;
|
||
|
|
val>>=8;
|
||
|
|
|
||
|
|
*dst++ |= (val<<8) | (a<<0);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
inline u32 makecol(int r,int g,int b,int a)
|
||
|
|
{
|
||
|
|
return ((a&255)<<24)|((r&255)<<16)|((g&255)<<8)|((b&255));
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//this needs to be FAST, used by some games realtime video
|
||
|
|
//TODO: port to ASM or intrinsics
|
||
|
|
void decodeDXTBlock(u32 *dst, DXTBlock *src, int pitch)
|
||
|
|
{
|
||
|
|
u16 c1 = _byteswap_ushort(src->color1);
|
||
|
|
u16 c2 = _byteswap_ushort(src->color2);
|
||
|
|
int blue1 = lut5to8[c1&0x1F];
|
||
|
|
int blue2 = lut5to8[c2&0x1F];
|
||
|
|
int green1 = lut6to8[(c1>>5)&0x3F];
|
||
|
|
int green2 = lut6to8[(c2>>5)&0x3F];
|
||
|
|
int red1 = lut5to8[(c1>>11)&0x1F];
|
||
|
|
int red2 = lut5to8[(c2>>11)&0x1F];
|
||
|
|
|
||
|
|
int colors[4];
|
||
|
|
|
||
|
|
if (c1>c2)
|
||
|
|
{
|
||
|
|
colors[0]=makecol(red1,green1,blue1,255);
|
||
|
|
colors[1]=makecol(red2,green2,blue2,255);
|
||
|
|
colors[2]=makecol(red1+(red2-red1)/3,green1+(green2-green1)/3,blue1+(blue2-blue1)/3,255);
|
||
|
|
colors[3]=makecol(red2+(red1-red2)/3,green2+(green1-green2)/3,blue2+(blue1-blue2)/3,255);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
colors[0]=makecol(red1,green1,blue1,255);
|
||
|
|
colors[1]=makecol(red2,green2,blue2,255);
|
||
|
|
colors[2]=makecol((red1+red2)/2,(green1+green2)/2,(blue1+blue2)/2,255);
|
||
|
|
colors[3]=makecol(0,0,0,0); //transparent
|
||
|
|
}
|
||
|
|
|
||
|
|
for (int y=0; y<4; y++)
|
||
|
|
{
|
||
|
|
int val = src->lines[y];
|
||
|
|
for (int x=0; x<4; x++)
|
||
|
|
{
|
||
|
|
dst[x] = colors[(val>>6)&3];
|
||
|
|
val<<=2;
|
||
|
|
}
|
||
|
|
dst+=pitch;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//switch endianness, unswizzle
|
||
|
|
//TODO: to save memory, don't blindly convert everything to argb8888
|
||
|
|
//also ARGB order needs to be swapped later, to accommodate modern hardware better
|
||
|
|
//need to add DXT support too
|
||
|
|
D3DFORMAT TexDecoder_Decode(u8 *dst, u8 *src, int width, int height, int texformat, int tlutaddr, int tlutfmt)
|
||
|
|
{
|
||
|
|
DVSTARTPROFILE();
|
||
|
|
|
||
|
|
switch (texformat)
|
||
|
|
{
|
||
|
|
case GX_TF_C4:
|
||
|
|
{
|
||
|
|
for (int y=0; y<height; y+=8)
|
||
|
|
for (int x=0; x<width; x+=8)
|
||
|
|
for (int iy=0; iy<8; iy++, src+=4)
|
||
|
|
decodebytesC4((u32*)dst+(y+iy)*width+x,src,4,tlutaddr,tlutfmt);
|
||
|
|
}
|
||
|
|
return D3DFMT_A8R8G8B8;
|
||
|
|
case GX_TF_I4:
|
||
|
|
{
|
||
|
|
for (int y=0; y<height; y+=8)
|
||
|
|
for (int x=0; x<width; x+=8)
|
||
|
|
for (int iy=0; iy<8; iy++, src+=4)
|
||
|
|
decodebytesI4((u32*)dst+(y+iy)*width+x,src,4);
|
||
|
|
}
|
||
|
|
return D3DFMT_A8R8G8B8;
|
||
|
|
case GX_TF_C8:
|
||
|
|
{
|
||
|
|
for (int y=0; y<height; y+=4)
|
||
|
|
for (int x=0; x<width; x+=8)
|
||
|
|
for (int iy=0; iy<4; iy++, src+=8)
|
||
|
|
decodebytesC8((u32*)dst+(y+iy)*width+x,src,8,tlutaddr,tlutfmt);
|
||
|
|
}
|
||
|
|
return D3DFMT_A8R8G8B8;
|
||
|
|
case GX_TF_I8:
|
||
|
|
{
|
||
|
|
for (int y=0; y<height; y+=4)
|
||
|
|
for (int x=0; x<width; x+=8)
|
||
|
|
for (int iy=0; iy<4; iy++, src+=8)
|
||
|
|
decodebytesI8((u32*)dst+(y+iy)*width+x,src,8);
|
||
|
|
}
|
||
|
|
return D3DFMT_A8R8G8B8;
|
||
|
|
case GX_TF_IA4:
|
||
|
|
{
|
||
|
|
for (int y=0; y<height; y+=4)
|
||
|
|
for (int x=0; x<width; x+=8)
|
||
|
|
for (int iy=0; iy<4; iy++, src+=8)
|
||
|
|
decodebytesIA4((u32*)dst+(y+iy)*width+x,src,8);
|
||
|
|
}
|
||
|
|
return D3DFMT_A8R8G8B8;
|
||
|
|
case GX_TF_IA8:
|
||
|
|
{
|
||
|
|
for (int y=0; y<height; y+=4)
|
||
|
|
for (int x=0; x<width; x+=4)
|
||
|
|
for (int iy=0; iy<4; iy++,src+=8)
|
||
|
|
decodebytesIA8((u32*)dst+(y+iy)*width+x,(u16*)src,4);
|
||
|
|
}
|
||
|
|
return D3DFMT_A8R8G8B8;
|
||
|
|
case GX_TF_C14X2:
|
||
|
|
{
|
||
|
|
for (int y=0; y<height; y+=4)
|
||
|
|
for (int x=0; x<width; x+=4)
|
||
|
|
for (int iy=0; iy<4; iy++,src+=8)
|
||
|
|
decodebytesC14X2((u32*)dst+(y+iy)*width+x,(u16*)src,4,tlutaddr,tlutfmt);
|
||
|
|
}
|
||
|
|
return D3DFMT_A8R8G8B8;
|
||
|
|
case GX_TF_RGB565:
|
||
|
|
{
|
||
|
|
for (int y=0; y<height; y+=4)
|
||
|
|
for (int x=0; x<width; x+=4)
|
||
|
|
for (int iy=0; iy<4; iy++,src+=8)
|
||
|
|
decodebytesRGB565((u32*)dst+(y+iy)*width+x,(u16*)src,4);
|
||
|
|
}
|
||
|
|
return D3DFMT_A8R8G8B8;
|
||
|
|
case GX_TF_RGB5A3:
|
||
|
|
{
|
||
|
|
for (int y=0; y<height; y+=4)
|
||
|
|
for (int x=0; x<width; x+=4)
|
||
|
|
for (int iy=0; iy<4; iy++,src+=8)
|
||
|
|
decodebytesRGB5A3((u32*)dst+(y+iy)*width+x,(u16*)src,4);
|
||
|
|
}
|
||
|
|
return D3DFMT_A8R8G8B8;
|
||
|
|
case GX_TF_RGBA8:
|
||
|
|
{
|
||
|
|
for (int y=0; y<height; y+=4)
|
||
|
|
for (int x=0; x<width; x+=4)
|
||
|
|
{
|
||
|
|
for (int iy=0; iy<4; iy++,src+=8)
|
||
|
|
decodebytesARGB8pass1((u32*)dst+(y+iy)*width+x,(u16*)src,4);
|
||
|
|
for (int iy=0; iy<4; iy++,src+=8)
|
||
|
|
decodebytesARGB8pass2((u32*)dst+(y+iy)*width+x,(u16*)src,4);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return D3DFMT_A8R8G8B8;
|
||
|
|
case GX_TF_CMPR:
|
||
|
|
{
|
||
|
|
// 11111111 22222222 55555555 66666666
|
||
|
|
// 33333333 44444444 77777777 88888888
|
||
|
|
|
||
|
|
|
||
|
|
for (int y=0; y<height; y+=8)
|
||
|
|
for (int x=0; x<width; x+=8)
|
||
|
|
{
|
||
|
|
decodeDXTBlock((u32*)dst+y*width+x,(DXTBlock*)src,width);src+=sizeof(DXTBlock);
|
||
|
|
decodeDXTBlock((u32*)dst+y*width+x+4,(DXTBlock*)src,width);src+=sizeof(DXTBlock);
|
||
|
|
decodeDXTBlock((u32*)dst+(y+4)*width+x,(DXTBlock*)src,width);src+=sizeof(DXTBlock);
|
||
|
|
decodeDXTBlock((u32*)dst+(y+4)*width+x+4,(DXTBlock*)src,width);src+=sizeof(DXTBlock);
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
int rowlen = width/2;
|
||
|
|
int numBigBlockRows = height/8;
|
||
|
|
int numBigBlocksPerRow = width/8;
|
||
|
|
int numSmallBlocksPerRow = width/4;
|
||
|
|
int numSmallBlockRows = height/4;
|
||
|
|
int smallBlockSize = 8;
|
||
|
|
for (int y=0; y<height/8; y+=8)
|
||
|
|
{
|
||
|
|
for (int x=0; x<width/8; x+=8)
|
||
|
|
{
|
||
|
|
memcpy(dst+y*2*numSmallBlocksPerRow*smallBlockSize+x*2*smallBlockSize,src,smallBlockSize); src+=smallBlockSize;
|
||
|
|
memcpy(dst+y*2*numSmallBlocksPerRow*smallBlockSize+(x*2+1)*smallBlockSize,src,smallBlockSize); src+=smallBlockSize;
|
||
|
|
memcpy(dst+(y*2+1)*numSmallBlocksPerRow*smallBlockSize+x*2*smallBlockSize,src,smallBlockSize); src+=smallBlockSize;
|
||
|
|
memcpy(dst+(y*2+1)*numSmallBlocksPerRow*smallBlockSize+(x*2+1)*smallBlockSize,src,smallBlockSize); src+=smallBlockSize;
|
||
|
|
}
|
||
|
|
}*/
|
||
|
|
|
||
|
|
}
|
||
|
|
return D3DFMT_A8R8G8B8;
|
||
|
|
// return D3DFMT_DXT1;
|
||
|
|
}
|
||
|
|
return D3DFMT_UNKNOWN;
|
||
|
|
}
|