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Implement I4 texture format

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@neobrain, could you confirm that this is correct?

It's been tested with various different games and fixes different textures, including in Animal Crossing, Kirby Triple Deluxe, and SMB3D.
This commit is contained in:
archshift 2015-05-10 18:59:22 -07:00
parent e98fbadf4a
commit 40310e2132
2 changed files with 12 additions and 1 deletions
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11
src/video_core/debug_utils/debug_utils.cpp
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@ -393,6 +393,17 @@ const Math::Vec4<u8> LookupTexture(const u8* source, int x, int y, const Texture
} }
} }
case Regs::TextureFormat::I4:
{
u32 morton_offset = VideoCore::GetMortonOffset(x, y, 1);
const u8* source_ptr = source + morton_offset / 2;
u8 i = (morton_offset % 2) ? ((*source_ptr & 0xF0) >> 4) : (*source_ptr & 0xF);
i = Color::Convert4To8(i);
return { i, i, i, 255 };
}
case Regs::TextureFormat::A4: case Regs::TextureFormat::A4:
{ {
u32 morton_offset = VideoCore::GetMortonOffset(x, y, 1); u32 morton_offset = VideoCore::GetMortonOffset(x, y, 1);

2
src/video_core/pica.h
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@ -156,7 +156,7 @@ struct Regs {
I8 = 7, I8 = 7,
A8 = 8, A8 = 8,
IA4 = 9, IA4 = 9,
I4 = 10,
A4 = 11, A4 = 11,
ETC1 = 12, // compressed ETC1 = 12, // compressed
ETC1A4 = 13, // compressed ETC1A4 = 13, // compressed