Function iComplexAlphaHelper

DevIL/src-IL/src/il_dds.cpp:2184–2196

}

void iComplexAlphaHelper(ILubyte* Data)
{
	ILushort tmp[2];

	//one 4 pixel line is 12 bit, copy each line into
	//a ushort, swap them and copy back
	tmp[0] = (Data[0] | (Data[1] << 8)) & 0xfff;
	tmp[1] = ((Data[1] >> 4) | (Data[2] << 4)) & 0xfff;

	Data[0] = (ILubyte)tmp[1];
	Data[1] = (tmp[1] >> 8) | (tmp[0] << 4);
	Data[2] = tmp[0] >> 4;
}

void iFlipComplexAlphaBlock(ILubyte *Data)
{