add a path to texture decoder to produce only rgba textures, this will make texture loading in dx11 a lot easier and give a little performance boost to.

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@5746 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
Rodolfo Osvaldo Bogado 2010-06-19 13:31:40 +00:00
parent 64ffe0039a
commit 8c6ae1f6f4
2 changed files with 409 additions and 450 deletions

View file

@ -325,6 +325,65 @@ inline u32 decode5A3(u16 val)
return (a << 24) | (r << 16) | (g << 8) | b;
}
inline u32 decode5A3rgba(u16 val)
{
int r,g,b,a;
if ((val & 0x8000))
{
a = 0xFF;
r = Convert5To8((val >> 10) & 0x1F);
g = Convert5To8((val >> 5) & 0x1F);
b = Convert5To8(val & 0x1F);
}
else
{
a = Convert3To8((val >> 12) & 0x7);
r = Convert4To8((val >> 8) & 0xF);
g = Convert4To8((val >> 4) & 0xF);
b = Convert4To8(val & 0xF);
}
return (a << 24) | (b << 16) | (g << 8) | r;
}
inline u32 decode565RGBA(u16 val)
{
int r,g,b,a;
r=Convert5To8((val>>11) & 0x1f);
g=Convert6To8((val>>5 ) & 0x3f);
b=Convert5To8((val ) & 0x1f);
a=0xFF;
return r | (g<<8) | (b << 16) | (a << 24);
}
inline u32 decodeIA8Swapped(u16 val)
{
int a = val & 0xFF;
int i = val >> 8;
return i | (i<<8) | (i<<16) | (a<<24);
}
inline u32 decode5A3RGBA(u16 val)
{
int r,g,b,a;
if ((val&0x8000))
{
r=Convert5To8((val>>10) & 0x1f);
g=Convert5To8((val>>5 ) & 0x1f);
b=Convert5To8((val ) & 0x1f);
a=0xFF;
}
else
{
a=Convert3To8((val>>12) & 0x7);
r=Convert4To8((val>>8 ) & 0xf);
g=Convert4To8((val>>4 ) & 0xf);
b=Convert4To8((val ) & 0xf);
}
return r | (g<<8) | (b << 16) | (a << 24);
}
struct DXTBlock
{
u16 color1;
@ -344,6 +403,17 @@ inline void decodebytesC4_5A3_To_BGRA32(u32 *dst, const u8 *src, int tlutaddr)
}
}
inline void decodebytesC4_5A3_To_rgba32(u32 *dst, const u8 *src, int tlutaddr)
{
u16 *tlut = (u16*)(texMem + tlutaddr);
for (int x = 0; x < 4; x++)
{
u8 val = src[x];
*dst++ = decode5A3rgba(Common::swap16(tlut[val >> 4]));
*dst++ = decode5A3rgba(Common::swap16(tlut[val & 0xF]));
}
}
inline void decodebytesC4_To_Raw16(u16* dst, const u8* src, int tlutaddr)
{
u16* tlut = (u16*)(texMem+tlutaddr);
@ -355,6 +425,28 @@ inline void decodebytesC4_To_Raw16(u16* dst, const u8* src, int tlutaddr)
}
}
inline void decodebytesC4IA8_To_RGBA(u32* dst, const u8* src, int tlutaddr)
{
u16* tlut = (u16*)(texMem+tlutaddr);
for (int x = 0; x < 4; x++)
{
u8 val = src[x];
*dst++ = decodeIA8Swapped(tlut[val >> 4]);
*dst++ = decodeIA8Swapped(tlut[val & 0xF]);
}
}
inline void decodebytesC4RGB565_To_RGBA(u32* dst, const u8* src, int tlutaddr)
{
u16* tlut = (u16*)(texMem+tlutaddr);
for (int x = 0; x < 4; x++)
{
u8 val = src[x];
*dst++ = decode565RGBA(Common::swap16(tlut[val >> 4]));
*dst++ = decode565RGBA(Common::swap16(tlut[val & 0xF]));
}
}
//inline void decodebytesC8(u32 *dst, const u8 *src, int numbytes, int tlutaddr, int tlutfmt)
inline void decodebytesC8_5A3_To_BGRA32(u32 *dst, const u8 *src, int tlutaddr)
{
@ -366,6 +458,16 @@ inline void decodebytesC8_5A3_To_BGRA32(u32 *dst, const u8 *src, int tlutaddr)
}
}
inline void decodebytesC8_5A3_To_RGBA32(u32 *dst, const u8 *src, int tlutaddr)
{
u16 *tlut = (u16*)(texMem + tlutaddr);
for (int x = 0; x < 8; x++)
{
u8 val = src[x];
*dst++ = decode5A3rgba(Common::swap16(tlut[val]));
}
}
inline void decodebytesC8_To_Raw16(u16* dst, const u8* src, int tlutaddr)
{
u16* tlut = (u16*)(texMem + tlutaddr);
@ -376,6 +478,24 @@ inline void decodebytesC8_To_Raw16(u16* dst, const u8* src, int tlutaddr)
}
}
inline void decodebytesC8IA8_To_RGBA(u32* dst, const u8* src, int tlutaddr)
{
u16* tlut = (u16*)(texMem + tlutaddr);
for (int x = 0; x < 8; x++)
{
*dst++ = decodeIA8Swapped(tlut[src[x]]);
}
}
inline void decodebytesC8RGB565_To_RGBA(u32* dst, const u8* src, int tlutaddr)
{
u16* tlut = (u16*)(texMem + tlutaddr);
for (int x = 0; x < 8; x++)
{
*dst++ = decode565RGBA(Common::swap16(tlut[src[x]]));
}
}
#if _M_SSE >= 0x301
static const __m128i kMaskSwap16 = _mm_set_epi32(0x0E0F0C0DL, 0x0A0B0809L, 0x06070405L, 0x02030001L);
@ -412,6 +532,16 @@ inline void decodebytesC14X2_5A3_To_BGRA32(u32 *dst, const u16 *src, int tlutadd
}
}
inline void decodebytesC14X2_5A3_To_RGBA(u32 *dst, const u16 *src, int tlutaddr)
{
u16 *tlut = (u16*)(texMem + tlutaddr);
for (int x = 0; x < 4; x++)
{
u16 val = Common::swap16(src[x]);
*dst++ = decode5A3rgba(Common::swap16(tlut[(val & 0x3FFF)]));
}
}
inline void decodebytesC14X2_To_Raw16(u16* dst, const u16* src, int tlutaddr)
{
u16* tlut = (u16*)(texMem + tlutaddr);
@ -422,6 +552,26 @@ inline void decodebytesC14X2_To_Raw16(u16* dst, const u16* src, int tlutaddr)
}
}
inline void decodebytesC14X2IA8_To_RGBA(u32* dst, const u16* src, int tlutaddr)
{
u16* tlut = (u16*)(texMem + tlutaddr);
for (int x = 0; x < 4; x++)
{
u16 val = Common::swap16(src[x]);
*dst++ = decodeIA8Swapped(tlut[(val & 0x3FFF)]);
}
}
inline void decodebytesC14X2rgb565_To_RGBA(u32* dst, const u16* src, int tlutaddr)
{
u16* tlut = (u16*)(texMem + tlutaddr);
for (int x = 0; x < 4; x++)
{
u16 val = Common::swap16(src[x]);
*dst++ = decode565RGBA(Common::swap16(tlut[(val & 0x3FFF)]));
}
}
// Needs more speed.
inline void decodebytesIA4(u16 *dst, const u8 *src)
{
@ -434,12 +584,29 @@ inline void decodebytesIA4(u16 *dst, const u8 *src)
}
}
inline void decodebytesIA4RGBA(u32 *dst, const u8 *src)
{
for (int x = 0; x < 8; x++)
{
const u8 val = src[x];
u8 a = Convert4To8(val >> 4);
u8 l = Convert4To8(val & 0xF);
dst[x] = (a << 24) | l << 16 | l << 8 | l;
}
}
inline void decodebytesRGB5A3(u32 *dst, const u16 *src)
{
for (int x = 0; x < 4; x++)
dst[x] = decode5A3(Common::swap16(src[x]));
}
inline void decodebytesRGB5A3rgba(u32 *dst, const u16 *src)
{
for (int x = 0; x < 4; x++)
dst[x] = decode5A3rgba(Common::swap16(src[x]));
}
// This one is used by many video formats. It'd therefore be good if it was fast.
// Needs more speed.
inline void decodebytesARGB8_4(u32 *dst, const u16 *src, const u16 *src2)
@ -457,6 +624,13 @@ inline void decodebytesARGB8_4(u32 *dst, const u16 *src, const u16 *src2)
// and we are done.
}
inline void decodebytesARGB8_4ToRgba(u32 *dst, const u16 *src, const u16 *src2)
{
for (int x = 0; x < 4; x++) {
dst[x] = (src2[x] << 8) | src[x] >> 8 | (src[x] & 0xF) << 24;
}
}
inline u32 makecol(int r, int g, int b, int a)
{
return (a << 24)|(r << 16)|(g << 8)|b;
@ -510,6 +684,49 @@ void decodeDXTBlock(u32 *dst, const DXTBlock *src, int pitch)
}
}
void decodeDXTBlockRGBA(u32 *dst, const DXTBlock *src, int pitch)
{
// S3TC Decoder (Note: GCN decodes differently from PC so we can't use native support)
// Needs more speed.
u16 c1 = Common::swap16(src->color1);
u16 c2 = Common::swap16(src->color2);
int blue1 = Convert5To8(c1 & 0x1F);
int blue2 = Convert5To8(c2 & 0x1F);
int green1 = Convert6To8((c1 >> 5) & 0x3F);
int green2 = Convert6To8((c2 >> 5) & 0x3F);
int red1 = Convert5To8((c1 >> 11) & 0x1F);
int red2 = Convert5To8((c2 >> 11) & 0x1F);
int colors[4];
colors[0] = makeRGBA(red1, green1, blue1, 255);
colors[1] = makeRGBA(red2, green2, blue2, 255);
if (c1 > c2)
{
int blue3 = ((blue2 - blue1) >> 1) - ((blue2 - blue1) >> 3);
int green3 = ((green2 - green1) >> 1) - ((green2 - green1) >> 3);
int red3 = ((red2 - red1) >> 1) - ((red2 - red1) >> 3);
colors[2] = makeRGBA(red1 + red3, green1 + green3, blue1 + blue3, 255);
colors[3] = makeRGBA(red2 - red3, green2 - green3, blue2 - blue3, 255);
}
else
{
colors[2] = makeRGBA((red1 + red2 + 1) / 2, // Average
(green1 + green2 + 1) / 2,
(blue1 + blue2 + 1) / 2, 255);
colors[3] = makeRGBA(red2, green2, blue2, 0); // Color2 but 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;
}
}
#if 0 // TODO - currently does not handle transparency correctly and causes problems when texture dimensions are not multiples of 8
static void copyDXTBlock(u8* dst, const u8* src)
{
@ -572,337 +789,6 @@ PC_TexFormat GetPC_TexFormat(int texformat, int tlutfmt)
return PC_TEX_FMT_NONE;
}
PC_TexFormat TexDecoder_DirectDecode_real(u8 *dst, const u8 *src, int width, int height,int Pitch, int texformat, int tlutaddr, int tlutfmt)
{
int TexLen = height * Pitch;
switch (texformat)
{
case GX_TF_C4:
if (tlutfmt == 2)
{
// Special decoding is required for TLUT format 5A3
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_5A3_To_BGRA32(((u32*)((u8*)dst + (y + iy) * Pitch)) + x, src, tlutaddr);
u16 *tlut = (u16*)(texMem + tlutaddr);
for (int ix = 0; ix < 4; ix++)
{
int stride = (y + iy) * Pitch + (x + ix * 2) * 4;
if(stride < TexLen)
{
u8 val = src[ix];
((u32*)(dst+stride))[0] = decode5A3(Common::swap16(tlut[val >> 4]));
((u32*)(dst+stride))[1] = decode5A3(Common::swap16(tlut[val & 0xF]));
}
else
break;
}
}
}
else
{
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_To_Raw16(((u16*)((u8*)dst + (y + iy) * Pitch)) + x, src, tlutaddr);
u16* tlut = (u16*)(texMem+tlutaddr);
for (int ix = 0; ix < 4; ix++)
{
int stride = (y + iy) * Pitch + (x + ix * 2) * 2;
if(stride < TexLen)
{
u8 val = src[ix];
((u16*)(dst+stride))[0] = Common::swap16(tlut[val >> 4]);
((u16*)(dst+stride))[1] = Common::swap16(tlut[val & 0xF]);
}
else
break;
}
}
}
return GetPCFormatFromTLUTFormat(tlutfmt);
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 && (y + iy) < height ; iy++, src += 4)
for (int ix = 0; ix < 4; ix++)
{
int val = src[ix];
int stride = (y + iy) * Pitch + (x + ix * 2) * 2;
dst[stride] = Convert4To8(val >> 4);
dst[stride + 1] = dst[stride];
dst[stride + 2] = Convert4To8(val & 0xF);
dst[stride + 3] = dst[stride + 2];
}
}
return PC_TEX_FMT_IA8;
case GX_TF_I8: // speed critical. Needs speed.
{
for (int y = 0; y < height; y += 4)
for (int x = 0; x < width; x += 8)
for (int iy = 0; iy < 4 && (y + iy) < height; iy++)
for (int ix = 0; ix < 8; ix++,src++)
{
int stride = (y + iy)*Pitch+(x + ix) * 2;
if (stride < TexLen)
{
dst[stride] = src[0];
dst[stride + 1] = src[0];
}
else
break;
}
}
return PC_TEX_FMT_IA8;
case GX_TF_C8:
if (tlutfmt == 2)
{
// Special decoding is required for TLUT format 5A3
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_5A3_To_BGRA32(((u32*)((u8*)dst + (y + iy) * Pitch)) + x, src, tlutaddr);
u16 *tlut = (u16*)(texMem + tlutaddr);
for (int ix = 0; ix < 8; ix++)
{
u8 val = src[ix];
int stride = (y + iy) * Pitch + (x + ix) * 4;
if(stride < TexLen)
{
((u32*)(dst+stride))[0] = decode5A3(Common::swap16(tlut[val]));
}
else
break;
}
}
}
else
{
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_To_Raw16(((u16*)((u8*)dst + (y + iy) * Pitch)) + x, src, tlutaddr);
u16* tlut = (u16*)(texMem + tlutaddr);
for (int ix = 0; ix < 8; ix++)
{
u8 val = src[ix];
int stride = (y + iy) * Pitch + (x + ix) * 2;
if(stride < TexLen)
{
((u16*)(dst+stride))[0] = Common::swap16(tlut[val]);
}
else
break;
}
}
}
return GetPCFormatFromTLUTFormat(tlutfmt);
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(((u16*)((u8*)dst + (y + iy) * Pitch)) + x, src);
for (int ix = 0; ix < 8; ix++)
{
int stride = (y + iy) * Pitch + (x + ix) * 2;
if(stride < TexLen)
{
const u8 val = src[ix];
u8 a = Convert4To8(val >> 4);
u8 l = Convert4To8(val & 0xF);
((u16*)(dst+stride))[0] = (a << 8) | l;
}
else
break;
}
}
}
return PC_TEX_FMT_IA4_AS_IA8;
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)
{
u16 *s = (u16 *)src;
for(int j = 0; j < 4; j++)
{
int stride = (y + iy) * Pitch + (x + j) * 2;
if(stride < TexLen)
{
((u16*)(dst+stride))[0] = Common::swap16(*s++);
}
else
break;
}
}
}
return PC_TEX_FMT_IA8;
case GX_TF_C14X2:
if (tlutfmt == 2)
{
// Special decoding is required for TLUT format 5A3
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_5A3_To_BGRA32(((u32*)((u8*)dst + (y + iy) * Pitch)) + x, (u16*)src, tlutaddr);
u16 *tlut = (u16*)(texMem + tlutaddr);
for (int ix = 0; ix < 4; ix++)
{
int stride = (y + iy) * Pitch +( x + ix) * 4;
if(stride < TexLen)
{
u16 val = Common::swap16(src[ix]);
((u32*)(dst+stride))[0] = decode5A3(Common::swap16(tlut[(val & 0x3FFF)]));
}
else
break;
}
}
}
else
{
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_To_Raw16(((u16*)((u8*)dst + (y + iy) * Pitch)) + x, (u16*)src, tlutaddr);
u16* tlut = (u16*)(texMem + tlutaddr);
for (int ix = 0; ix < 4; ix++)
{
int stride = (y + iy) * Pitch + (x + ix) * 2;
if(stride < TexLen)
{
u16 val = Common::swap16(src[ix]);
((u16*)(dst+stride))[0] = Common::swap16(tlut[(val & 0x3FFF)]);
}
else
break;
}
}
}
return GetPCFormatFromTLUTFormat(tlutfmt);
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 && (y + iy) < height; iy++, src += 8)
{
//u16 *ptr = ((u16 *)(dst + (y + iy) * Pitch)) + x;
u16 *s = (u16 *)src;
for(int j = 0; j < 4; j++)
{
int stride = (y + iy) * Pitch + (x + j) * 2;
if(stride < height * Pitch)
{
((u16*)(dst+stride))[0] = Common::swap16(*s++);
}
else
break;
}
}
}
return PC_TEX_FMT_RGB565;
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)
for (int ix = 0; ix < 4; ix++)
{
int stride = (y+iy)*Pitch + (x + ix) * 4;
if(stride < height * Pitch)
((u32*)(dst+stride))[0] = decode5A3(Common::swap16(((u16 *)src)[ix]));
}
}
return PC_TEX_FMT_BGRA32;
case GX_TF_RGBA8: // speed critical
{
for (int y = 0; y < height; y += 4)
{
for (int x = 0; x < width; x += 4)
{
for (int iy = 0; iy < 4 && (y + iy) < height; iy++)
{
//decodebytesARGB8_4(((u32*)((u8*)dst + (y+iy)*Pitch)) + x, (u16*)src + 4 * iy, (u16*)src + 4 * iy + 16);
u16 *src1 = (u16*)src + 4 * iy;
u16 *src2 = (u16*)src + 4 * iy + 16;
for (int ix = 0; ix < 4; ix++)
{
int stride = (y+iy)*Pitch + (x + ix) * 4;
if(stride < height * Pitch)
{
((u32*)(dst+ stride))[0] = Common::swap32((src2[ix] << 16) | src1[ix]);
}
else
break;
}
}
src += 64;
}
}
}
return PC_TEX_FMT_BGRA32;
case GX_TF_CMPR: // speed critical
// The metroid games use this format almost exclusively.
{
#if 0 // TODO - currently does not handle transparency correctly and causes problems when texture dimensions are not multiples of 8
// 11111111 22222222 55555555 66666666
// 33333333 44444444 77777777 88888888
for (int y = 0; y < height; y += 8)
{
for (int x = 0; x < width; x += 8)
{
copyDXTBlock(dst+(y/2)*width+x*2, src);
src += 8;
copyDXTBlock(dst+(y/2)*width+x*2+8, src);
src += 8;
copyDXTBlock(dst+(y/2+2)*width+x*2, src);
src += 8;
copyDXTBlock(dst+(y/2+2)*width+x*2+8, src);
src += 8;
}
}
return PC_TEX_FMT_DXT1;
#else
for (int y = 0; y < height; y += 8)
{
for (int x = 0; x < width; x += 8)
{
decodeDXTBlock(((u32*)((u8*)dst + y * Pitch)) + x, (DXTBlock *)src, width);
src += sizeof(DXTBlock);
decodeDXTBlock(((u32*)((u8*)dst + y * Pitch)) + x + 4, (DXTBlock *)src, width);
src += sizeof(DXTBlock);
decodeDXTBlock(((u32*)((u8*)dst + (y + 4) * Pitch)) + x, (DXTBlock *)src, width);
src += sizeof(DXTBlock);
decodeDXTBlock(((u32*)((u8*)dst + (y + 4) * Pitch)) + x + 4, (DXTBlock *)src, width);
src += sizeof(DXTBlock);
}
}
#endif
return PC_TEX_FMT_BGRA32;
}
}
// The "copy" texture formats, too?
return PC_TEX_FMT_NONE;
}
#if _M_SSE >= 0x301
static const __m128i kMaskSwap32 = _mm_set_epi32(0x0C0D0E0FL, 0x08090A0BL, 0x04050607L, 0x00010203L);
#endif
@ -1183,98 +1069,209 @@ PC_TexFormat TexDecoder_Decode_real(u8 *dst, const u8 *src, int width, int heigh
}
PC_TexFormat TexDecoder_Decode_RGBA(u32 *dst, const u8 *src, int width, int height, int texformat, int tlutaddr, int tlutfmt)
{
switch (texformat)
{
case GX_TF_C4:
if (tlutfmt == 2)
{
// Special decoding is required for TLUT format 5A3
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_5A3_To_rgba32(dst + (y + iy) * width + x, src, tlutaddr);
}
else if(tlutfmt == 0)
{
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)
decodebytesC4IA8_To_RGBA(dst + (y + iy) * width + x, src, tlutaddr);
}
else
{
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)
decodebytesC4RGB565_To_RGBA(dst + (y + iy) * width + x, src, tlutaddr);
}
break;
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)
for (int ix = 0; ix < 4; ix++)
{
int val = src[ix];
u8 i1 = Convert4To8(val >> 4);
u8 i2 = Convert4To8(val & 0xF);
memset(dst+(y + iy) * width + x + ix * 2 , i1,4);
memset(dst+(y + iy) * width + x + ix * 2 + 1 , i2,4);
}
}
break;
case GX_TF_I8: // speed critical
{
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)
for (int ix = 0; ix < 8; ix++)
memset(dst + (y + iy)*width+x+ ix, (src + ix)[0], 4);
}
break;
case GX_TF_C8:
if (tlutfmt == 2)
{
// Special decoding is required for TLUT format 5A3
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_5A3_To_RGBA32((u32*)dst + (y + iy) * width + x, src, tlutaddr);
}
else if(tlutfmt == 0)
{
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)
decodebytesC8IA8_To_RGBA(dst + (y + iy) * width + x, src, tlutaddr);
}
else
{
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)
decodebytesC8RGB565_To_RGBA(dst + (y + iy) * width + x, src, tlutaddr);
}
break;
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)
decodebytesIA4RGBA(dst + (y + iy) * width + x, src);
}
break;
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)
{
u32 *ptr = dst + (y + iy) * width + x;
u16 *s = (u16 *)src;
for(int j = 0; j < 4; j++)
*ptr++ = decodeIA8Swapped(*s++);
}
}
break;
case GX_TF_C14X2:
if (tlutfmt == 2)
{
// Special decoding is required for TLUT format 5A3
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_5A3_To_BGRA32(dst + (y + iy) * width + x, (u16*)src, tlutaddr);
}
else if (tlutfmt == 0)
{
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)
decodebytesC14X2IA8_To_RGBA(dst + (y + iy) * width + x, (u16*)src, tlutaddr);
}
else
{
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)
decodebytesC14X2rgb565_To_RGBA(dst + (y + iy) * width + x, (u16*)src, tlutaddr);
}
break;
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)
{
u32 *ptr = dst + (y + iy) * width + x;
u16 *s = (u16 *)src;
for(int j = 0; j < 4; j++)
*ptr++ = decode565RGBA(Common::swap16(*s++));
}
}
break;
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)
decodebytesRGB5A3rgba(dst+(y+iy)*width+x, (u16*)src);
}
break;
case GX_TF_RGBA8: // speed critical
{
for (int y = 0; y < height; y += 4)
for (int x = 0; x < width; x += 4)
{
for (int iy = 0; iy < 4; iy++)
decodebytesARGB8_4ToRgba(dst + (y+iy)*width + x, (u16*)src + 4 * iy, (u16*)src + 4 * iy + 16);
src += 64;
}
}
break;
case GX_TF_CMPR: // speed critical
// The metroid games use this format almost exclusively.
{
for (int y = 0; y < height; y += 8)
{
for (int x = 0; x < width; x += 8)
{
decodeDXTBlockRGBA((u32*)dst + y * width + x, (DXTBlock*)src, width);
src += sizeof(DXTBlock);
decodeDXTBlockRGBA((u32*)dst + y * width + x + 4, (DXTBlock*)src, width);
src += sizeof(DXTBlock);
decodeDXTBlockRGBA((u32*)dst + (y + 4) * width + x, (DXTBlock*)src, width);
src += sizeof(DXTBlock);
decodeDXTBlockRGBA((u32*)dst + (y + 4) * width + x + 4, (DXTBlock*)src, width);
src += sizeof(DXTBlock);
}
}
break;
}
}
// The "copy" texture formats, too?
return PC_TEX_FMT_RGBA32;
}
void TexDecoder_SetTexFmtOverlayOptions(bool enable, bool center)
{
TexFmt_Overlay_Enable = enable;
TexFmt_Overlay_Center = center;
}
void TexDecoder_DirectDecode(u8 *dst, const u8 *src, int width, int height,int Pitch, int texformat, int tlutaddr, int tlutfmt)
{
PC_TexFormat retval = TexDecoder_DirectDecode_real(dst,src,width,height,Pitch,texformat,tlutaddr,tlutfmt);
if ((!TexFmt_Overlay_Enable)|| (retval == PC_TEX_FMT_NONE))
return;
int w = min(width, 40);
int h = min(height, 10);
int xoff = (width - w) >> 1;
int yoff = (height - h) >> 1;
if (!TexFmt_Overlay_Center)
{
xoff=0;
yoff=0;
}
const char* fmt = texfmt[texformat&15];
while (*fmt)
{
int xcnt = 0;
int nchar = sfont_map[(int)*fmt];
const unsigned char *ptr = sfont_raw[nchar]; // each char is up to 9x10
for (int x = 0; x < 9;x++)
{
if (ptr[x] == 0x78)
break;
xcnt++;
}
for (int y=0; y < 10; y++)
{
for (int x=0; x < xcnt; x++)
{
switch(retval)
{
case PC_TEX_FMT_I8:
{
// TODO: Is this an acceptable way to draw in I8?
u8 *dtp = (u8*)dst;
dtp[(y + yoff) * width + x + xoff] = ptr[x] ? 0xFF : 0x88;
break;
}
case PC_TEX_FMT_IA8:
case PC_TEX_FMT_IA4_AS_IA8:
{
u16 *dtp = (u16*)dst;
dtp[(y + yoff) * width + x + xoff] = ptr[x] ? 0xFFFF : 0xFF00;
break;
}
case PC_TEX_FMT_RGB565:
{
u16 *dtp = (u16*)dst;
dtp[(y + yoff)*width + x + xoff] = ptr[x] ? 0xFFFF : 0x0000;
break;
}
default:
case PC_TEX_FMT_BGRA32:
{
int *dtp = (int*)dst;
dtp[(y + yoff) * width + x + xoff] = ptr[x] ? 0xFFFFFFFF : 0xFF000000;
break;
}
}
}
ptr += 9;
}
xoff += xcnt;
fmt++;
}
}
PC_TexFormat TexDecoder_Decode(u8 *dst, const u8 *src, int width, int height, int texformat, int tlutaddr, int tlutfmt)
PC_TexFormat TexDecoder_Decode(u8 *dst, const u8 *src, int width, int height, int texformat, int tlutaddr, int tlutfmt,bool rgbaOnly)
{
#if defined(HAVE_OPENCL) && HAVE_OPENCL
PC_TexFormat retval = TexDecoder_Decode_OpenCL(dst, src, width, height, texformat, tlutaddr, tlutfmt);
if(retval == PC_TEX_FMT_NONE)
retval = TexDecoder_Decode_real(dst,src,width,height,texformat,tlutaddr,tlutfmt);
#else
PC_TexFormat retval = TexDecoder_Decode_real(dst,src,width,height,texformat,tlutaddr,tlutfmt);
PC_TexFormat retval = rgbaOnly ? TexDecoder_Decode_RGBA((u32*)dst,src,width,height,texformat,tlutaddr,tlutfmt) : TexDecoder_Decode_real(dst,src,width,height,texformat,tlutaddr,tlutfmt);
#endif
if ((!TexFmt_Overlay_Enable)|| (retval == PC_TEX_FMT_NONE))
return retval;
@ -1351,43 +1348,6 @@ PC_TexFormat TexDecoder_Decode(u8 *dst, const u8 *src, int width, int height, in
}
inline u32 decode565RGBA(u16 val)
{
int r,g,b,a;
r=Convert5To8((val>>11) & 0x1f);
g=Convert6To8((val>>5 ) & 0x3f);
b=Convert5To8((val ) & 0x1f);
a=0xFF;
return r | (g<<8) | (b << 16) | (a << 24);
}
inline u32 decodeIA8Swapped(u16 val)
{
int a = val & 0xFF;
int i = val >> 8;
return i | (i<<8) | (i<<16) | (a<<24);
}
inline u32 decode5A3RGBA(u16 val)
{
int r,g,b,a;
if ((val&0x8000))
{
r=Convert5To8((val>>10) & 0x1f);
g=Convert5To8((val>>5 ) & 0x1f);
b=Convert5To8((val ) & 0x1f);
a=0xFF;
}
else
{
a=Convert3To8((val>>12) & 0x7);
r=Convert4To8((val>>8 ) & 0xf);
g=Convert4To8((val>>4 ) & 0xf);
b=Convert4To8((val ) & 0xf);
}
return r | (g<<8) | (b << 16) | (a << 24);
}
void TexDecoder_DecodeTexel(u8 *dst, const u8 *src, int s, int t, int imageWidth, int texformat, int tlutaddr, int tlutfmt)
{

View file

@ -83,8 +83,7 @@ enum PC_TexFormat
PC_TEX_FMT_DXT1,
};
PC_TexFormat TexDecoder_Decode(u8 *dst, const u8 *src, int width, int height, int texformat, int tlutaddr, int tlutfmt);
void TexDecoder_DirectDecode(u8 *dst, const u8 *src, int width, int height,int Pitch, int texformat, int tlutaddr, int tlutfmt);
PC_TexFormat TexDecoder_Decode(u8 *dst, const u8 *src, int width, int height, int texformat, int tlutaddr, int tlutfmt,bool rgbaOnly = false);
PC_TexFormat GetPC_TexFormat(int texformat, int tlutfmt);
void TexDecoder_DecodeTexel(u8 *dst, const u8 *src, int s, int t, int imageWidth, int texformat, int tlutaddr, int tlutfmt);