glVertex
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## Name

glVertex2d, glVertex2f, glVertex2i, glVertex2s, glVertex3d, glVertex3f, glVertex3i, glVertex3s, glVertex4d, glVertex4f, glVertex4i, glVertex4s, glVertex2dv, glVertex2fv, glVertex2iv, glVertex2sv, glVertex3dv, glVertex3fv, glVertex3iv, glVertex3sv, glVertex4dv, glVertex4fv, glVertex4iv, glVertex4sv — specify a vertex

## C Specification

`void `glVertex2d`` | `(` | `GLdouble `x`, GLdouble `y`);`
`void `glVertex2f`` | `(` | `GLfloat `x`, GLfloat `y`);`
`void `glVertex2i`` | `(` | `GLint `x`, GLint `y`);`
`void `glVertex2s`` | `(` | `GLshort `x`, GLshort `y`);`
`void `glVertex3d`` | `(` | `GLdouble `x`, GLdouble `y`, GLdouble `z`);`
`void `glVertex3f`` | `(` | `GLfloat `x`, GLfloat `y`, GLfloat `z`);`
`void `glVertex3i`` | `(` | `GLint `x`, GLint `y`, GLint `z`);`
`void `glVertex3s`` | `(` | `GLshort `x`, GLshort `y`, GLshort `z`);`
`void `glVertex4d`` | `(` | `GLdouble `x`, GLdouble `y`, GLdouble `z`, GLdouble `w`);`
`void `glVertex4f`` | `(` | `GLfloat `x`, GLfloat `y`, GLfloat `z`, GLfloat `w`);`
`void `glVertex4i`` | `(` | `GLint `x`, GLint `y`, GLint `z`, GLint `w`);`
`void `glVertex4s`` | `(` | `GLshort `x`, GLshort `y`, GLshort `z`, GLshort `w`);`

## Python Specification

``glVertex2d`` | `(` | ``x`, `y`) → `None``
``glVertex2f`` | `(` | ``x`, `y`) → `None``
``glVertex2i`` | `(` | ``x`, `y`) → `None``
``glVertex2s`` | `(` | ``x`, `y`) → `None``
``glVertex3d`` | `(` | ``x`, `y`, `z`) → `None``
``glVertex3f`` | `(` | ``x`, `y`, `z`) → `None``
``glVertex3i`` | `(` | ``x`, `y`, `z`) → `None``
``glVertex3s`` | `(` | ``x`, `y`, `z`) → `None``
``glVertex4d`` | `(` | ``x`, `y`, `z`, `w`) → `None``
``glVertex4f`` | `(` | ``x`, `y`, `z`, `w`) → `None``
``glVertex4i`` | `(` | ``x`, `y`, `z`, `w`) → `None``
``glVertex4s`` | `(` | ``x`, `y`, `z`, `w`) → `None``

## Parameters

`x`, `y`, `z`, `w`
  Specify `x`, `y`, `z`, and `w` coordinates of a vertex. Not all parameters are present in all forms of the command.

## C Specification

`void `glVertex2dv`` | `(` | `const GLdouble *`v`);`
`void `glVertex2fv`` | `(` | `const GLfloat *`v`);`
`void `glVertex2iv`` | `(` | `const GLint *`v`);`
`void `glVertex2sv`` | `(` | `const GLshort *`v`);`
`void `glVertex3dv`` | `(` | `const GLdouble *`v`);`
`void `glVertex3fv`` | `(` | `const GLfloat *`v`);`
`void `glVertex3iv`` | `(` | `const GLint *`v`);`
`void `glVertex3sv`` | `(` | `const GLshort *`v`);`
`void `glVertex4dv`` | `(` | `const GLdouble *`v`);`
`void `glVertex4fv`` | `(` | `const GLfloat *`v`);`
`void `glVertex4iv`` | `(` | `const GLint *`v`);`
`void `glVertex4sv`` | `(` | `const GLshort *`v`);`

## Python Specification

``glVertex2dv`` | `(` | ``v`) → `None``
``glVertex2fv`` | `(` | ``v`) → `None``
``glVertex2iv`` | `(` | ``v`) → `None``
``glVertex2sv`` | `(` | ``v`) → `None``
``glVertex3dv`` | `(` | ``v`) → `None``
``glVertex3fv`` | `(` | ``v`) → `None``
``glVertex3iv`` | `(` | ``v`) → `None``
``glVertex3sv`` | `(` | ``v`) → `None``
``glVertex4dv`` | `(` | ``v`) → `None``
``glVertex4fv`` | `(` | ``v`) → `None``
``glVertex4iv`` | `(` | ``v`) → `None``
``glVertex4sv`` | `(` | ``v`) → `None``

## Parameters

`v`
  Specifies a pointer to an array of two, three, or four elements. The elements of a two-element array are `x` and `y`; of a three-element array, `x`, `y`, and `z`; and of a four-element array, `x`, `y`, `z`, and `w`.

## Description

`glVertex` commands are used within `glBegin`/`glEnd` pairs to specify point, line, and polygon vertices. The current color, normal, and texture coordinates are associated with the vertex when `glVertex` is called.

When only `x` and `y` are specified, `z` defaults to 0 and `w` defaults to 1. When `x`, `y`, and `z` are specified, `w` defaults to 1.

## Notes

Invoking `glVertex` outside of a `glBegin`/`glEnd` pair results in undefined behavior.

## See Also

glBegin, glCallList, glColor, glEdgeFlag, glEvalCoord, glIndex, glMaterial, glNormal, glRect, glTexCoord, glVertexPointer

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