gl_Position - GLSL ES 3 - docs.gl

The variable gl_Position is intended for writing the homogeneous vertex position. It can be written at any time during vertexshader execution. 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gememoryBarrierSharedGLSL4GLSLES3gl_PositionNamegl_Position—containsthepositionofthecurrentvertexDeclarationouthighpvec4gl_Position;DescriptionThevariablegl_Positionisintendedforwritingthehomogeneousvertexposition.Itcanbewrittenatanytimeduringvertexshaderexecution.Thisvaluewillbeusedbyprimitiveassembly,clipping,culling,andotherfixedfunctionalityoperations,ifpresent,thatoperateonprimitivesaftervertexprocessinghasoccurred.Itsvalueisundefinedafterthevertexprocessingstageifthevertexshaderexecutabledoesnotwritegl_Position.VersionSupportOpenGLESShadingLanguageVersionVariableName1.003.003.10gl_Position✔✔✔SeeAlsogl_PointSizeCopyrightCopyright©2011-2014KhronosGroup.ThismaterialmaybedistributedsubjecttothetermsandconditionssetforthintheOpenPublicationLicense,v1.0,8June1999.https://opencontent.org/openpub/.Thinkyoucanimprovethispage?EditthispageonGitHub.docs.glwaswrittenbyJorgeRodríguez.Eachentryisunderindividualcopyrightdisplayedatthebottomofthatentry.Allothercontentisinthepublicdomain.docs.gliscompletelyunaffiliatedwithOpenGLandKhronos.Thesepageswerelastcompiledon17March2022at15:33:59GMT.