typedef struct ShadeResult 
{
	float combined[4];
	float col[4];
	float alpha;
	float diff[3];		/* includes ramps, shadow, etc */
	float diff_raw[3];	/* pure diffuse, no shadow no ramps */
	float spec[3];
	float shad[3];
	float ao[3];
	float refl[3];
	float refr[3];
	float rad[3];
	float nor[3];
	float winspeed[4];
} ShadeResult;