GLAPI/glBlendColor: Difference between revisions

From OpenGL Wiki
Jump to navigation Jump to search
m Bot: Adding better formatting.
Blend color isn't clamped.
Line 15: Line 15:
== Description ==
== Description ==


The {{enum|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 {{apifunc|glBlendFunc}} for a complete description of the blending operations. Initially the {{enum|GL_BLEND_COLOR}} is set to (0, 0, 0, 0).
The {{enum|GL_BLEND_COLOR}} may be used to calculate the source and destination blending factors. See {{apifunc|glBlendFunc}} for a complete description of the blending operations. Initially the {{enum|GL_BLEND_COLOR}} is set to (0, 0, 0, 0).


== Notes ==
== Notes ==

Revision as of 05:26, 31 March 2013

glBlendColor
Core in version 4.6
Core since version 1.0

glBlendColor: set the blend color

Function Definition

 void glBlendColor(GLfloat red​, GLfloat green​, GLfloat blue​, GLfloat alpha​);
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. 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.

Associated Gets

glGet with an argument of GL_BLEND_COLOR

See Also

glBlendFuncSeparate, glBlendEquationSeparate

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/.