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[Common] Abstract out the decode5A3Image and decodeCI8Image functions in BannerLoaderGC, BannerLoaderWii, and GCMemcard into ColorUtil.cpp. Makes for less copied code and remains functionally the same.

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This commit is contained in:
Lioncash
2013-10-02 18:18:54 -04:00
parent b1268bfcd2
commit 1ec4894bc5
7 changed files with 50 additions and 89 deletions
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53
Source/Core/Core/Src/HW/GCMemcard.cpp
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@ -11,43 +11,6 @@ static void ByteSwap(u8 *valueA, u8 *valueB)
*valueB = tmp;
}
void decode5A3image(u32* dst, u16* src, int width, int height)
{
for (int y = 0; y < height; y += 4)
{
for (int x = 0; x < width; x += 4)
{
for (int iy = 0; iy < 4; iy++, src += 4)
{
for (int ix = 0; ix < 4; ix++)
{
u32 RGBA = ColorUtil::Decode5A3(Common::swap16(src[ix]));
dst[(y + iy) * width + (x + ix)] = RGBA;
}
}
}
}
}
void decodeCI8image(u32* dst, u8* src, u16* pal, int width, int height)
{
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)
{
u32 *tdst = dst+(y+iy)*width+x;
for (int ix = 0; ix < 8; ix++)
{
// huh, this seems wrong. CI8, not 5A3, no?
tdst[ix] = ColorUtil::Decode5A3(Common::swap16(pal[src[ix]]));
}
}
}
}
}
GCMemcard::GCMemcard(const char *filename, bool forceCreation, bool sjis)
: m_valid(false)
, m_fileName(filename)
@ -1083,13 +1046,13 @@ bool GCMemcard::ReadBannerRGBA8(u8 index, u32* buffer) const
u8 *pxdata = (u8* )(mc_data_blocks[DataBlock].block + DataOffset);
u16 *paldata = (u16*)(mc_data_blocks[DataBlock].block + DataOffset + pixels);
decodeCI8image(buffer, pxdata, paldata, 96, 32);
ColorUtil::decodeCI8image(buffer, pxdata, paldata, 96, 32);
}
else
{
u16 *pxdata = (u16*)(mc_data_blocks[DataBlock].block + DataOffset);
decode5A3image(buffer, pxdata, 96, 32);
ColorUtil::decode5A3image(buffer, pxdata, 96, 32);
}
return true;
}
@ -1185,16 +1148,16 @@ u32 GCMemcard::ReadAnimRGBA8(u8 index, u32* buffer, u8 *delays) const
switch (fmts[i])
{
case CI8SHARED: // CI8 with shared palette
decodeCI8image(buffer,data[i],sharedPal,32,32);
ColorUtil::decodeCI8image(buffer,data[i],sharedPal,32,32);
buffer += 32*32;
break;
case RGB5A3: // RGB5A3
decode5A3image(buffer, (u16*)(data[i]), 32, 32);
ColorUtil::decode5A3image(buffer, (u16*)(data[i]), 32, 32);
buffer += 32*32;
break;
case CI8: // CI8 with own palette
u16 *paldata = (u16*)(data[i] + 32*32);
decodeCI8image(buffer, data[i], paldata, 32, 32);
ColorUtil::decodeCI8image(buffer, data[i], paldata, 32, 32);
buffer += 32*32;
break;
}
@ -1211,15 +1174,15 @@ u32 GCMemcard::ReadAnimRGBA8(u8 index, u32* buffer, u8 *delays) const
switch (fmts[j])
{
case CI8SHARED: // CI8 with shared palette
decodeCI8image(buffer,data[j],sharedPal,32,32);
ColorUtil::decodeCI8image(buffer,data[j],sharedPal,32,32);
break;
case RGB5A3: // RGB5A3
decode5A3image(buffer, (u16*)(data[j]), 32, 32);
ColorUtil::decode5A3image(buffer, (u16*)(data[j]), 32, 32);
buffer += 32*32;
break;
case CI8: // CI8 with own palette
u16 *paldata = (u16*)(data[j] + 32*32);
decodeCI8image(buffer, data[j], paldata, 32, 32);
ColorUtil::decodeCI8image(buffer, data[j], paldata, 32, 32);
buffer += 32*32;
break;
}