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
VERSION SUPPORT¶
|
OpenGL Version |
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|
|
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Function / Feature Name |
2.0 |
2.1 |
3.0 |
3.1 |
3.2 |
3.3 |
4.0 |
4.1 |
4.2 |
4.3 |
4.4 |
4.5 |
glBlendColor |
✔ |
✔ |
✔ |
✔ |
✔ |
✔ |
✔ |
✔ |
✔ |
✔ |
✔ |
✔ |
SEE ALSO¶
glBlendEquation(),
glBlendFunc(),
glGetString(),
removedTypes()
COPYRIGHT¶
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/.
COPYRIGHT¶
Copyright © 1991-2006 Silicon Graphics, Inc.
Copyright © 2010-2014 Khronos Group