Wrath Blending

Blending States

When blending is enabled, Wrath of the Lich King always uses FUNC_ADD for the blending equation.

State	Name	Src	Dest	Comment
0	Blend_Opaque	ONE	ZERO	Blending disabled
1	Blend_AlphaKey	ONE	ZERO	Blending disabled
2	Blend_Alpha	SRC_ALPHA	ONE_MINUS_SRC_ALPHA	Standard blending func
3	Blend_Add	SRC_ALPHA	ONE	Additive blending func
4	Blend_Mod	DST_COLOR	ZERO	Modulative blending func
5	Blend_Mod2x	DST_COLOR	SRC_COLOR	2x modulative blending func
6	Blend_ModAdd	DST_COLOR	ONE	Modulative + additive
7	Blend_InvSrcAlphaAdd	ONE_MINUS_SRC_ALPHA	ONE