- gl_enablepageflipping
- gl_expandfont
- gl_fillbox
- gl_fillcircle
- gl_font8x8
- gl_FragCoord
- gl_FragDepth
- gl_freecontext
- gl_FrontFacing
- gl_getbox
- gl_getcontext
- gl_getpalette
- gl_getpalettecolor
- gl_getpalettecolors
- gl_getpixel
- gl_getpixelrgb
- gl_get_line
- gl_GlobalInvocationID
- gl_HelperInvocation
- gl_hline
- gl_InstanceID
- gl_InvocationID
- gl_Layer
- gl_line
- gl_LocalInvocationID
- gl_LocalInvocationIndex
- gl_NumSamples
- gl_NumWorkGroups
- gl_PatchVerticesIn
- gl_PointCoord
- gl_PointSize
- gl_Position
- gl_PrimitiveID
- gl_PrimitiveIDIn
- gl_printf
- gl_putbox
- gl_putboxmask
- gl_putboxmaskcompiled
- gl_putboxpart
- gl_rgbcolor
- gl_SampleID
- gl_SampleMask
- gl_SampleMaskIn
- gl_SamplePosition
- gl_scalebox
- gl_setclippingwindow
- gl_setcontext
- gl_setcontextheight
- gl_setcontextvga
- gl_setcontextvgavirtual
- gl_setcontextvirtual
- gl_setcontextwidth
- gl_setdisplaystart
- gl_setfont
- gl_setfontcolors
- gl_setpalette
- gl_setpalettecolor
- gl_setpalettecolors
- gl_setpixel
- gl_setpixelrgb
- gl_setrgbpalette
- gl_setscreenoffset
- gl_setwritemode
- gl_TessCoord
- gl_TessLevelInner
- gl_TessLevelOuter
- gl_VertexID
- gl_ViewportIndex
- gl_WorkGroupID
- gl_WorkGroupSize
MAN (3)
Library functions, covering in particular the C standard library