GLAPI/glPointSize: Difference between revisions
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{{apifunc|glGet}} with argument {{enum|GL_POINT_SIZE}} | {{apifunc|glGet}} with argument {{enum|GL_POINT_SIZE}} | ||
{{apifunc|glGet}} with argument {{enum|GL_POINT_FADE_THRESHOLD_SIZE}} | {{apifunc|glGet}} with argument {{enum|GL_POINT_FADE_THRESHOLD_SIZE}} | ||
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== See Also == | == See Also == | ||
{{apifunc|glEnable}}, {{apifunc|glPointParameter}} | {{apifunc|glEnable|(GL_PROGRAM_POINT_SIZE)}}, {{apifunc|glPointParameter}} | ||
== Copyright == | == Copyright == | ||
Copyright © 1991-2006 Silicon Graphics, Inc. This document is licensed under the SGI Free Software B License. For details, see [ | Copyright © 1991-2006 Silicon Graphics, Inc. This document is licensed under the SGI Free Software B License. For details, see [https://khronos.org/registry/OpenGL-Refpages/LICENSES/LicenseRef-FreeB.txt LicenseRef-FreeB]. | ||
[[Category:Core API Ref Rasterization|PointSize]] | [[Category:Core API Ref Rasterization|PointSize]] | ||
[[Category:Core API Reference|PointSize]] | [[Category:Core API Reference|PointSize]] | ||
Latest revision as of 21:23, 5 February 2021
| Core in version | 4.6 | |
|---|---|---|
| Core since version | 1.0 | |
glPointSize: specify the diameter of rasterized points
Function Definition
void glPointSize(GLfloat size);
- 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_FADE_THRESHOLD_SIZE
glIsEnabled with argument GL_PROGRAM_POINT_SIZE
See Also
glEnable(GL_PROGRAM_POINT_SIZE), glPointParameter
Copyright
Copyright © 1991-2006 Silicon Graphics, Inc. This document is licensed under the SGI Free Software B License. For details, see LicenseRef-FreeB.