func glGetLocation(glProg gl.Uint, name string, isAtt bool) gl.Uint {
var a gl.Int
var s = gl.GLString(name)
defer gl.GLStringFree(s)
if isAtt {
a = gl.GetAttribLocation(glProg, s)
} else {
a = gl.GetUniformLocation(glProg, s)
}
if a < 0 {
panic("Shader attribute or uniform bind error")
}
return gl.Uint(a)
}
func ShaderLocationA(glProg gl.Uint, name string) gl.Uint {
return gl.Uint(ShaderLocation(glProg, name, true))
}