WGL_EXT_pixel_format
http://oss.sgi.com/projects/ogl-sample/registry/EXT/wgl_pixel_format.txt
	WGL_NUMBER_PIXEL_FORMATS_EXT 0x2000
	WGL_DRAW_TO_WINDOW_EXT 0x2001
	WGL_DRAW_TO_BITMAP_EXT 0x2002
	WGL_ACCELERATION_EXT 0x2003
	WGL_NEED_PALETTE_EXT 0x2004
	WGL_NEED_SYSTEM_PALETTE_EXT 0x2005
	WGL_SWAP_LAYER_BUFFERS_EXT 0x2006
	WGL_SWAP_METHOD_EXT 0x2007
	WGL_NUMBER_OVERLAYS_EXT 0x2008
	WGL_NUMBER_UNDERLAYS_EXT 0x2009
	WGL_TRANSPARENT_EXT 0x200A
	WGL_TRANSPARENT_VALUE_EXT 0x200B
	WGL_SHARE_DEPTH_EXT 0x200C
	WGL_SHARE_STENCIL_EXT 0x200D
	WGL_SHARE_ACCUM_EXT 0x200E
	WGL_SUPPORT_GDI_EXT 0x200F
	WGL_SUPPORT_OPENGL_EXT 0x2010
	WGL_DOUBLE_BUFFER_EXT 0x2011
	WGL_STEREO_EXT 0x2012
	WGL_PIXEL_TYPE_EXT 0x2013
	WGL_COLOR_BITS_EXT 0x2014
	WGL_RED_BITS_EXT 0x2015
	WGL_RED_SHIFT_EXT 0x2016
	WGL_GREEN_BITS_EXT 0x2017
	WGL_GREEN_SHIFT_EXT 0x2018
	WGL_BLUE_BITS_EXT 0x2019
	WGL_BLUE_SHIFT_EXT 0x201A
	WGL_ALPHA_BITS_EXT 0x201B
	WGL_ALPHA_SHIFT_EXT 0x201C
	WGL_ACCUM_BITS_EXT 0x201D
	WGL_ACCUM_RED_BITS_EXT 0x201E
	WGL_ACCUM_GREEN_BITS_EXT 0x201F
	WGL_ACCUM_BLUE_BITS_EXT 0x2020
	WGL_ACCUM_ALPHA_BITS_EXT 0x2021
	WGL_DEPTH_BITS_EXT 0x2022
	WGL_STENCIL_BITS_EXT 0x2023
	WGL_AUX_BUFFERS_EXT 0x2024
	WGL_NO_ACCELERATION_EXT 0x2025
	WGL_GENERIC_ACCELERATION_EXT 0x2026
	WGL_FULL_ACCELERATION_EXT 0x2027
	WGL_SWAP_EXCHANGE_EXT 0x2028
	WGL_SWAP_COPY_EXT 0x2029
	WGL_SWAP_UNDEFINED_EXT 0x202A
	WGL_TYPE_RGBA_EXT 0x202B
	WGL_TYPE_COLORINDEX_EXT 0x202C
	BOOL wglChoosePixelFormatEXT (HDC hdc, const int* piAttribIList, const FLOAT *pfAttribFList, UINT nMaxFormats, int *piFormats, UINT *nNumFormats)
	BOOL wglGetPixelFormatAttribfvEXT (HDC hdc, int iPixelFormat, int iLayerPlane, UINT nAttributes, int* piAttributes, FLOAT *pfValues)
	BOOL wglGetPixelFormatAttribivEXT (HDC hdc, int iPixelFormat, int iLayerPlane, UINT nAttributes, int* piAttributes, int *piValues)