Difference between revisions of "GlClearColor"

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Latest revision as of 14:54, 25 August 2013

_glClearColor: specify clear values for the color buffers


Syntax

SUB _glClearColor (BYVAL red AS SINGLE, BYVAL green AS SINGLE, BYVAL blue AS SINGLE, BYVAL alpha AS SINGLE)
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.


Notes:

The type of the red, green, blue, and alpha parameters was changed from GLclampf to GLfloat. This change is transparent to user code.


Use With:

_glGet with argument _GL_COLOR_CLEAR_VALUE

See also

_GL _glClear


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/.



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