glPointSize man page on Oracle
[printable version]
GLPOINTSIZE(3G) OpenGL Manual GLPOINTSIZE(3G)
NAME
glPointSize - specify the diameter of rasterized points
C SPECIFICATION
void glPointSize(GLfloat size);
PARAMETERS
size
Specifies the diameter of rasterized points. The initial value is
1.
DESCRIPTION
glPointSize specifies the rasterized diameter of points. If point size
mode is disabled (see glEnable() with parameter GL_PROGRAM_POINT_SIZE),
this value will be used to rasterize points. Otherwise, the value
written to the shading language built-in variable gl_PointSize will be
used.
NOTES
The point size specified by glPointSize is always returned when
GL_POINT_SIZE is queried. Clamping and rounding for points have no
effect on the specified value.
ERRORS
GL_INVALID_VALUE is generated if size is less than or equal to 0.
ASSOCIATED GETS
glGet() with argument GL_POINT_SIZE_RANGE
glGet() with argument GL_POINT_SIZE_GRANULARITY
glGet() with argument GL_POINT_SIZE
glGet() with argument GL_POINT_SIZE_MIN
glGet() with argument GL_POINT_SIZE_MAX
glGet() with argument GL_POINT_FADE_THRESHOLD_SIZE
glIsEnabled() with argument GL_PROGRAM_POINT_SIZE
SEE ALSO
glEnable(), glPointParameter()
COPYRIGHT
Copyright © 1991-2006 Silicon Graphics, Inc. This document is licensed
under the SGI Free Software B License. For details, see
http://oss.sgi.com/projects/FreeB/.
AUTHORS
opengl.org
opengl.org 04/29/2014 GLPOINTSIZE(3G)
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