TextureDecoder: Move XFB decoding to Common

This was previously missing for generic (which is used on ARM).
This commit is contained in:
Stenzek
2019-03-24 13:10:01 +10:00
parent 4b1adab785
commit dbaba0062a
4 changed files with 44 additions and 31 deletions

View File

@ -1488,37 +1488,8 @@ void _TexDecoder_DecodeImpl(u32* dst, const u8* src, int width, int height, Text
break;
case TextureFormat::XFB:
{
for (int y = 0; y < height; y += 1)
{
for (int x = 0; x < width; x += 2)
{
size_t offset = static_cast<size_t>((y * width + x) * 2);
// We do this one color sample (aka 2 RGB pixles) at a time
int Y1 = int(src[offset]) - 16;
int U = int(src[offset + 1]) - 128;
int Y2 = int(src[offset + 2]) - 16;
int V = int(src[offset + 3]) - 128;
// We do the inverse BT.601 conversion for YCbCr to RGB
// http://www.equasys.de/colorconversion.html#YCbCr-RGBColorFormatConversion
u8 R1 = static_cast<u8>(MathUtil::Clamp(int(1.164f * Y1 + 1.596f * V), 0, 255));
u8 G1 =
static_cast<u8>(MathUtil::Clamp(int(1.164f * Y1 - 0.392f * U - 0.813f * V), 0, 255));
u8 B1 = static_cast<u8>(MathUtil::Clamp(int(1.164f * Y1 + 2.017f * U), 0, 255));
u8 R2 = static_cast<u8>(MathUtil::Clamp(int(1.164f * Y2 + 1.596f * V), 0, 255));
u8 G2 =
static_cast<u8>(MathUtil::Clamp(int(1.164f * Y2 - 0.392f * U - 0.813f * V), 0, 255));
u8 B2 = static_cast<u8>(MathUtil::Clamp(int(1.164f * Y2 + 2.017f * U), 0, 255));
dst[y * width + x] = 0xff000000 | B1 << 16 | G1 << 8 | R1;
dst[y * width + x + 1] = 0xff000000 | B2 << 16 | G2 << 8 | R2;
}
}
}
break;
TexDecoder_DecodeXFB(reinterpret_cast<u8*>(dst), src, width, height, width * 2);
break;
default:
PanicAlert("Invalid Texture Format (0x%X)! (_TexDecoder_DecodeImpl)",