GL_NV_blend_equation_advanced
http://www.opengl.org/registry/specs/gl/NV/blend_equation_advanced.txt
GL_NV_blend_equation_advanced
	GL_BLEND_PREMULTIPLIED_SRC_NV 0x9280
	GL_BLEND_OVERLAP_NV 0x9281
	GL_UNCORRELATED_NV 0x9282
	GL_DISJOINT_NV 0x9283
	GL_CONJOINT_NV 0x9284
	GL_BLEND_ADVANCED_COHERENT_NV 0x9285
	GL_SRC_NV 0x9286
	GL_DST_NV 0x9287
	GL_SRC_OVER_NV 0x9288
	GL_DST_OVER_NV 0x9289
	GL_SRC_IN_NV 0x928A
	GL_DST_IN_NV 0x928B
	GL_SRC_OUT_NV 0x928C
	GL_DST_OUT_NV 0x928D
	GL_SRC_ATOP_NV 0x928E
	GL_DST_ATOP_NV 0x928F
	GL_PLUS_NV 0x9291
	GL_PLUS_DARKER_NV 0x9292
	GL_MULTIPLY_NV 0x9294
	GL_SCREEN_NV 0x9295
	GL_OVERLAY_NV 0x9296
	GL_DARKEN_NV 0x9297
	GL_LIGHTEN_NV 0x9298
	GL_COLORDODGE_NV 0x9299
	GL_COLORBURN_NV 0x929A
	GL_HARDLIGHT_NV 0x929B
	GL_SOFTLIGHT_NV 0x929C
	GL_DIFFERENCE_NV 0x929E
	GL_MINUS_NV 0x929F
	GL_EXCLUSION_NV 0x92A0
	GL_CONTRAST_NV 0x92A1
	GL_INVERT_RGB_NV 0x92A3
	GL_LINEARDODGE_NV 0x92A4
	GL_LINEARBURN_NV 0x92A5
	GL_VIVIDLIGHT_NV 0x92A6
	GL_LINEARLIGHT_NV 0x92A7
	GL_PINLIGHT_NV 0x92A8
	GL_HARDMIX_NV 0x92A9
	GL_HSL_HUE_NV 0x92AD
	GL_HSL_SATURATION_NV 0x92AE
	GL_HSL_COLOR_NV 0x92AF
	GL_HSL_LUMINOSITY_NV 0x92B0
	GL_PLUS_CLAMPED_NV 0x92B1
	GL_PLUS_CLAMPED_ALPHA_NV 0x92B2
	GL_MINUS_CLAMPED_NV 0x92B3
	GL_INVERT_OVG_NV 0x92B4
	void glBlendBarrierNV (void)
	void glBlendParameteriNV (GLenum pname, GLint value)