internal/graphicsdriver/opengl/gl/package_notwindows.go
func SampleCoverage(value float32, invert bool) {
	C.glowSampleCoverage(gpSampleCoverage, (C.GLfloat)(value), (C.GLboolean)(boolToInt(invert)))
}
func SampleCoverage(value float32, invert bool) {
	C.glowSampleCoverage(gpSampleCoverage, (C.GLfloat)(value), (C.GLboolean)(boolToInt(invert)))
}
// specify multisample coverage parameters