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Added HILO8 support.

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Signed-off-by: Patrick Martin <thehairyrock@gmail.com>
This commit is contained in:
Patrick Martin 2015-05-14 13:39:46 -07:00
parent 7d21b0663b
commit b3df840ee8
3 changed files with 28 additions and 1 deletions
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20
src/video_core/color.h
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@ -69,6 +69,16 @@ inline const Math::Vec4<u8> DecodeRGB8(const u8* bytes) {
return { bytes[2], bytes[1], bytes[0], 255 };
}
/**
* Decode a color stored in HILO8 format
* @remark HILO8 is not intended to store colors, the word color here is used just for consistency, HILO8 is a format intended for normal maps.
* @param bytes Pointer to encoded source color
* @return Result color decoded as Math::Vec4<u8>
*/
inline const Math::Vec4<u8> DecodeHILO8(const u8* bytes) {
return { bytes[0], bytes[1], 0, 255 };
}
/**
* Decode a color stored in RGB565 format
* @param bytes Pointer to encoded source color
@ -152,6 +162,16 @@ inline void EncodeRGB8(const Math::Vec4<u8>& color, u8* bytes) {
bytes[0] = color.b();
}
/**
* Encode a color as HILO8 format
* @remark HILO8 is not intended to store colors, the word color here is used just for consistency, HILO8 is a format intended for normal maps.
* @param color Source color to encode
* @param bytes Destination pointer to store encoded color
*/
inline void EncodeHILO8(const Math::Vec4<u8>& color, u8* bytes) {
bytes[0] = color.r();
bytes[1] = color.g();
}
/**
* Encode a color as RGB565 format
* @param color Source color to encode

6
src/video_core/debug_utils/debug_utils.cpp
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@ -361,6 +361,12 @@ const Math::Vec4<u8> LookupTexture(const u8* source, int x, int y, const Texture
}
}
case Regs::TextureFormat::HILO8:
{
auto res = Color::DecodeHILO8(source + VideoCore::GetMortonOffset(x, y, 2));
return { res.r(), res.g(), 0, 255 };
}
case Regs::TextureFormat::I8:
{
const u8* source_ptr = source + VideoCore::GetMortonOffset(x, y, 1);

3
src/video_core/pica.h
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@ -152,7 +152,7 @@ struct Regs {
RGB565 = 3,
RGBA4 = 4,
IA8 = 5,
HILO8 = 6,
I8 = 7,
A8 = 8,
IA4 = 9,
@ -174,6 +174,7 @@ struct Regs {
case TextureFormat::RGB565:
case TextureFormat::RGBA4:
case TextureFormat::IA8:
case TextureFormat::HILO8:
return 4;
case TextureFormat::A4: