Function ConvertCI8T

Source/HLEGraphics/ConvertTile.cpp:204–246

template <u32 (*PalConvertFn)(u16)>
static void ConvertCI8T(const TileDestInfo & dsti, const TextureInfo & ti)
{
	u32 width {dsti.Width};
	u32 height {dsti.Height};

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

	const u8 * src     {gTMEM};
	const u16 * src16  {(u16*)src};

	u32 src_row_stride {ti.GetLine()<<3};
	u32 src_row_offset {ti.GetTmemAddress()<<3};

	// Convert the palette once, here.
	u32 palette[256] {};
	for (u32 i {}; i < 256; ++i)
	{
		u16 src_pixel {src16[0x400+(i<<2)]};
		palette[i] = PalConvertFn(src_pixel);
	}

	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]};

			dst[dst_offset+0] = palette[src_pixel];

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

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

template <u32 (*PalConvertFn)(u16)>
static void ConvertCI4T(const TileDestInfo & dsti, const TextureInfo & ti)