OpenGL: Fail on Windows

test.go

package main

import (
        "fmt"
        "log"
        "runtime"

        "github.com/go-gl/gl/v2.1/gl"
        "github.com/go-gl/glfw/v3.1/glfw"
)

func init() {
        runtime.LockOSThread()
}

func main() {
        if err := glfw.Init(); err != nil {
                log.Fatalln("failed to initialize glfw:", err)
        }
        defer glfw.Terminate()

        glfw.WindowHint(glfw.ContextVersionMajor, 2)
        glfw.WindowHint(glfw.ContextVersionMinor, 1)
        window, err := glfw.CreateWindow(100, 100, "Foo", nil, nil)
        if err != nil {
                panic(err)
        }
        window.MakeContextCurrent()

        if err := gl.Init(); err != nil {
                panic(err)
        }

        var t uint32
        gl.GenTextures(1, &t)
        gl.PixelStorei(gl.UNPACK_ALIGNMENT, 4)
        gl.BindTexture(gl.TEXTURE_2D, t)
        gl.TexImage2D(gl.TEXTURE_2D, 0, gl.RGBA, int32(100), int32(100), 0, gl.RGBA, gl.UNSIGNED_BYTE, gl.Ptr(nil))

        var f uint32
        gl.GenFramebuffers(1, &f)
        gl.BindFramebuffer(gl.FRAMEBUFFER, f)
        gl.FramebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, uint32(t), 0)
        if gl.CheckFramebufferStatus(gl.FRAMEBUFFER) != gl.FRAMEBUFFER_COMPLETE {
                panic("creating framebuffer failed")
        }
        if e := gl.GetError(); e != gl.NO_ERROR {
                panic(fmt.Sprintf("before resizing: %d", e))
        }
        gl.BindFramebuffer(gl.FRAMEBUFFER, 0)

        window.SetSize(120, 120)
        if e := gl.GetError(); e != gl.NO_ERROR {
                // Crashed here!                                                                                                                                                                                                              
                panic(fmt.Sprintf("after resizing: %d", e))
        }

        for !window.ShouldClose() {
                gl.BindFramebuffer(gl.FRAMEBUFFER, f)
                window.SwapBuffers()
                glfw.PollEvents()
        }
}