glBlendColor

set the blend color

Signature

glBlendColor( GLfloat ( red ) , GLfloat ( green ) , GLfloat ( blue ) , GLfloat ( alpha ) )-> void
glBlendColor( red , green , blue , alpha )

Parameters

VariablesDescription
red, green, blue, alpha
specify the components of GL_BLEND_COLOR

Sample Code References

The following code samples have been found which appear to reference the functions described here. Take care that the code may be old, broken or not even use PyOpenGL.

glBlendColor
Visvis utils/cropper.py Lines: 386
Visvis core/line.py Lines: 674, 725