Function ConvertIA8

Source/HLEGraphics/ConvertTile.cpp:384–422

}

static void ConvertIA8(const TileDestInfo & dsti, const TextureInfo & ti)
{
	u32 width {dsti.Width};
	u32 height {dsti.Height};

	u8 * dst {static_cast<u8*>(dsti.Data)};
	u32 dst_row_stride {dsti.Pitch};
	u32 dst_row_offset {};

	const u8 * src     {gTMEM};
	u32 src_row_stride {ti.GetLine()<<3};
	u32 src_row_offset {ti.GetTmemAddress()<<3};

	u32 row_swizzle {};
	for (u32 y {}; y < height; ++y)
	{
		u32 src_offset {src_row_offset};
		u32 dst_offset {dst_row_offset};
		for (u32 x {}; x < width; ++x)
		{
			u8 src_pixel {src[src_offset^row_swizzle]};

			u8 i {FourToEight[(src_pixel>>4)&0xf]};
			u8 a {FourToEight[(src_pixel   )&0xf]};

			dst[dst_offset+0] = i;
			dst[dst_offset+1] = i;
			dst[dst_offset+2] = i;
			dst[dst_offset+3] = a;

			src_offset += 1;
			dst_offset += 4;
		}
		src_row_offset += src_row_stride;
		dst_row_offset += dst_row_stride;

		row_swizzle ^= 0x4;   // Alternate lines are word-swapped
	}
}

static void ConvertIA4(const TileDestInfo & dsti, const TextureInfo & ti)
{