func BlendColor(
red Clampf, green Clampf,
blue Clampf, alpha Clampf) {
C.glBlendColor(
C.GLclampf(red),
C.GLclampf(green),
C.GLclampf(blue),
C.GLclampf(alpha))
}
func BlendColor(red, green, blue, alpha float32) {
C.glBlendColor(C.GLclampf(red), C.GLclampf(green), C.GLclampf(blue), C.GLclampf(alpha))
}
func BlendColor(red, green, blue, alpha float32) {
C.glBlendColor(C.GLfloat(red), C.GLfloat(green), C.GLfloat(blue), C.GLfloat(alpha))
}