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gl_VertexID

Name

gl_VertexID — contains the index of the current vertex

Declaration

in highp int gl_VertexID ;

Description

gl_VertexID is a vertex language input variable that holds an integer index for the vertex. The index is impliclty generated by glDrawArrays and other commands that do not reference the content of the GL_ELEMENT_ARRAY_BUFFER, or explicitly generated from the content of the GL_ELEMENT_ARRAY_BUFFER by commands such as glDrawElements.

Version Support

OpenGL ES Shading Language Version
Variable Name 1.00 3.00 3.10
gl_VertexID -

See Also

gl_InstanceID

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