GL_NV_draw_buffers
https://www.khronos.org/registry/OpenGL/extensions/NV/NV_draw_buffers.txt
GL_NV_draw_buffers

	GL_MAX_DRAW_BUFFERS_NV 0x8824
	GL_DRAW_BUFFER0_NV 0x8825
	GL_DRAW_BUFFER1_NV 0x8826
	GL_DRAW_BUFFER2_NV 0x8827
	GL_DRAW_BUFFER3_NV 0x8828
	GL_DRAW_BUFFER4_NV 0x8829
	GL_DRAW_BUFFER5_NV 0x882A
	GL_DRAW_BUFFER6_NV 0x882B
	GL_DRAW_BUFFER7_NV 0x882C
	GL_DRAW_BUFFER8_NV 0x882D
	GL_DRAW_BUFFER9_NV 0x882E
	GL_DRAW_BUFFER10_NV 0x882F
	GL_DRAW_BUFFER11_NV 0x8830
	GL_DRAW_BUFFER12_NV 0x8831
	GL_DRAW_BUFFER13_NV 0x8832
	GL_DRAW_BUFFER14_NV 0x8833
	GL_DRAW_BUFFER15_NV 0x8834
	GL_COLOR_ATTACHMENT0_NV 0x8CE0
	GL_COLOR_ATTACHMENT1_NV 0x8CE1
	GL_COLOR_ATTACHMENT2_NV 0x8CE2
	GL_COLOR_ATTACHMENT3_NV 0x8CE3
	GL_COLOR_ATTACHMENT4_NV 0x8CE4
	GL_COLOR_ATTACHMENT5_NV 0x8CE5
	GL_COLOR_ATTACHMENT6_NV 0x8CE6
	GL_COLOR_ATTACHMENT7_NV 0x8CE7
	GL_COLOR_ATTACHMENT8_NV 0x8CE8
	GL_COLOR_ATTACHMENT9_NV 0x8CE9
	GL_COLOR_ATTACHMENT10_NV 0x8CEA
	GL_COLOR_ATTACHMENT11_NV 0x8CEB
	GL_COLOR_ATTACHMENT12_NV 0x8CEC
	GL_COLOR_ATTACHMENT13_NV 0x8CED
	GL_COLOR_ATTACHMENT14_NV 0x8CEE
	GL_COLOR_ATTACHMENT15_NV 0x8CEF
	void glDrawBuffersNV (GLsizei n, const GLenum* bufs)