glClearColor

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Specify clear values for the color buffers.

C Specification[edit]

void glClearColor( GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha );


Parameters[edit]

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[edit]

 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 [math][0,1][/math] .


Notes[edit]

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[edit]

 glGet with argument GL_COLOR_CLEAR_VALUE 


Version Support[edit]

 glClearColor  2.0+

See Also[edit]

 glClear , removedTypes 


Copyright[edit]

Copyright© 1991-2006 Silicon Graphics, Inc. Copyright© 2010-2014 Khronos Group. This document is licensed under the SGI Free Software B License. For details, see http://oss.sgi.com/projects/FreeB/.