MGislv/GLideN64
1
0
Fork 0
mirror of https://github.com/blawar/GLideN64.git synced 2024-07-02 09:03:37 +00:00
Code Issues Projects Releases Wiki Activity

Implement YUV textures load.

Browse Source
This commit is contained in:
Sergey Lipskiy 2014-10-28 12:12:30 +06:00
parent 6961e8c810
commit 8d37143331
2 changed files with 63 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

62
Textures.cpp
View File

@ -175,6 +175,53 @@ inline u32 GetRGBA8888_RGBA4444( u64 *src, u16 x, u16 i, u8 palette )
return RGBA8888_RGBA4444(((u32*)src)[x^i]);
}
u32 YUV_RGBA8888(u8 y, u8 u, u8 v)
{
s32 r = (s32)(y + (1.370705f * (v - 128)));
s32 g = (s32)((y - (0.698001f * (v - 128)) - (0.337633f * (u - 128))));
s32 b = (s32)(y + (1.732446f * (u - 128)));
//clipping the result
if (r > 255) r = 255;
if (g > 255) g = 255;
if (b > 255) b = 255;
if (r < 0) r = 0;
if (g < 0) g = 0;
if (b < 0) b = 0;
return (0xff << 24) | (b << 16) | (g << 8) | r;
}
u16 YUV_RGBA4444(u8 y, u8 u, u8 v)
{
return RGBA8888_RGBA4444(YUV_RGBA8888(y, u, v));
}
inline void GetYUV_RGBA8888(u64 * src, u32 * dst, u16 x)
{
const u32 t = (((u32*)src)[x]);
u8 y1 = (u8)t & 0xFF;
u8 v = (u8)(t >> 8) & 0xFF;
u8 y0 = (u8)(t >> 16) & 0xFF;
u8 u = (u8)(t >> 24) & 0xFF;
u32 c = YUV_RGBA8888(y0, u, v);
*(dst++) = c;
c = YUV_RGBA8888(y1, u, v);
*(dst++) = c;
}
inline void GetYUV_RGBA4444(u64 * src, u16 * dst, u16 x)
{
const u32 t = (((u32*)src)[x]);
u8 y1 = (u8)t & 0xFF;
u8 v = (u8)(t >> 8) & 0xFF;
u8 y0 = (u8)(t >> 16) & 0xFF;
u8 u = (u8)(t >> 24) & 0xFF;
u16 c = YUV_RGBA4444(y0, u, v);
*(dst++) = c;
c = YUV_RGBA4444(y1, u, v);
*(dst++) = c;
}
const struct
{
GetTexelFunc Get16;
@ -478,7 +525,7 @@ void TextureCache::_load(u32 _tile , CachedTexture *_pTexture)
if (tmptex.size == G_IM_SIZ_32b) {
const u16 * tmem16 = (u16*)TMEM;
const u32 tbase = tmptex.tMem << 2;
const u32 tbase = tmptex.tMem << 2;
u32 width = (tmptex.clampWidth) << 2;
if (width & 15) width += 16;
@ -506,6 +553,19 @@ void TextureCache::_load(u32 _tile , CachedTexture *_pTexture)
pDest[j++] = (ab << 16) | gr;
}
}
} else if (tmptex.format == G_IM_FMT_YUV) {
j = 0;
line <<= 1;
for (y = 0; y < tmptex.realHeight; ++y) {
pSrc = &TMEM[tmptex.tMem] + line * y;
for (x = 0; x < tmptex.realWidth / 2; x++) {
if (glInternalFormat == GL_RGBA)
GetYUV_RGBA8888(pSrc, pDest + j, x);
else
GetYUV_RGBA4444(pSrc, (u16*)pDest + j, x);
j += 2;
}
}
} else {
j = 0;
for (y = 0; y < tmptex.realHeight; ++y) {

2
gDP.cpp
View File

@ -737,6 +737,8 @@ void gDPLoadBlock(u32 tile, u32 uls, u32 ult, u32 lrs, u32 dxt)
if (gDP.loadTile->size == G_IM_SIZ_32b)
gDPLoadBlock32(gDP.loadTile->uls, gDP.loadTile->ult, gDP.loadTile->lrs, dxt);
else if (gDP.loadTile->format == G_IM_FMT_YUV)
memcpy(TMEM, &RDRAM[address], bytes); // HACK!
else {
u64* src = (u64*)&RDRAM[address];
u64* dest = &TMEM[gDP.loadTile->tmem];