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Add support for hybrid XFB

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This commit is contained in:
iwubcode
2017-05-29 17:02:09 -05:00
parent 84ca9a4aec
commit 79387dddb2
45 changed files with 400 additions and 985 deletions
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32
Source/Core/VideoCommon/TextureDecoder_x64.cpp
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@ -9,6 +9,7 @@
#include "Common/CPUDetect.h"
#include "Common/CommonTypes.h"
#include "Common/Intrinsics.h"
#include "Common/MathUtil.h"
#include "Common/MsgHandler.h"
#include "Common/Swap.h"
@ -1485,6 +1486,37 @@ void _TexDecoder_DecodeImpl(u32* dst, const u8* src, int width, int height, Text
case TextureFormat::CMPR:
TexDecoder_DecodeImpl_CMPR(dst, src, width, height, texformat, tlut, tlutfmt, Wsteps4, Wsteps8);
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;
default:
PanicAlert("Invalid Texture Format (0x%X)! (_TexDecoder_DecodeImpl)",