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. If destination framebuffer components use an unsigned normalized fixed-point representation, the constant color components are clamped to the range 0 1 when computing the blend factors. See glBlendFunc for a complete description of the blending operations. Initially the GL_BLEND_COLOR is set to (0, 0, 0, 0).

Associated Gets

glGet with an argument of GL_BLEND_COLOR

See Also

glBlendEquation, glBlendFunc, glGet

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/.