glBlendColor — set the blend color
void glBlendColor( | GLfloat red, |
GLfloat green, | |
GLfloat blue, | |
GLfloat alpha) ; |
The GL_BLEND_COLOR
may be used to calculate the source and destination
blending factors. The color components are clamped to the range
GL_BLEND_COLOR
is set to (0, 0, 0, 0).
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.
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