glBlendColor man page on RedHat
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GLBLENDCOLOR(3G) OpenGL Manual GLBLENDCOLOR(3G)
NAME
glBlendColor - set the blend color
C SPECIFICATION
void glBlendColor(GLfloat red, GLfloat green, GLfloat blue,
GLfloat alpha);
PARAMETERS
red, green, blue, alpha
specify the components of GL_BLEND_COLOR
DESCRIPTION
The GL_BLEND_COLOR may be used to calculate the source and destination
blending factors. The color components are clamped to the range 0 1
before being stored. See glBlendFunc() for a complete description of
the blending operations. Initially the GL_BLEND_COLOR is set to (0, 0,
0, 0).
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 an argument of GL_BLEND_COLOR
SEE ALSO
glBlendEquation(), glBlendFunc(), glGetString(), 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/.
AUTHORS
opengl.org
opengl.org 03/16/2013 GLBLENDCOLOR(3G)
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