GLAPI/glClearColor: Difference between revisions

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== Function Definition ==
== Function Definition ==


   void '''glClearColor'''(GLclampf {{param|red}}, GLclampf {{param|green}}, GLclampf {{param|blue}}, GLclampf {{param|alpha}});
   void '''glClearColor'''(GLfloat {{param|red}}, GLfloat {{param|green}}, GLfloat {{param|blue}}, GLfloat {{param|alpha}});


; red, green, blue, alpha
; red, green, blue, alpha
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'''glClearColor''' specifies the red, green, blue, and alpha values used by {{apifunc|glClear}} to clear the color buffers. Values specified by '''glClearColor''' are clamped to the range [0, 1].
'''glClearColor''' specifies the red, green, blue, and alpha values used by {{apifunc|glClear}} to clear the color buffers. Values specified by '''glClearColor''' are clamped to the range [0, 1].
== Notes ==
The type of the {{param|red}}, {{param|green}}, {{param|blue}}, and {{param|alpha}} parameters was changed from GLclampf to GLfloat. This change is transparent to user code and is described in detail on the {{apifunc|removedTypes}} page.


== Associated Gets ==
== Associated Gets ==
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== See Also ==
== See Also ==


{{apifunc|glClear}}
{{apifunc|glClear}}, {{apifunc|removedTypes}}


== Copyright ==
== Copyright ==

Revision as of 08:19, 13 August 2012

glClearColor
Core in version 4.6
Core since version 1.0

glClearColor: specify clear values for the color buffers

Function Definition

 void glClearColor(GLfloat red​, GLfloat green​, GLfloat blue​, GLfloat alpha​);
red, green, blue, alpha
Specify the red, green, blue, and alpha values used when the color buffers are cleared. The initial values are all 0.

Description

glClearColor specifies the red, green, blue, and alpha values used by glClear to clear the color buffers. Values specified by glClearColor are clamped to the range [0, 1].

Notes

The type of the red​, green​, blue​, and alpha​ parameters was changed from GLclampf to GLfloat. This change is transparent to user code and is described in detail on the removedTypes page.

Associated Gets

glGet with argument GL_COLOR_CLEAR_VALUE

See Also

glClear, removedTypes

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/.