glfont for gles2
Example:

package main
import (
    // "fmt"
    "log"
    "runtime"
    "fmt"
    "bytes"
    "github.com/gobuffalo/packr"
    "github.com/go-gl/gl/v2.1/gl"
    "github.com/go-gl/glfw/v3.1/glfw"
    // "github.com/nullboundary/glfont"
    "github.com/liamg/aminal/glfont"
)
const windowWidth = 500
const windowHeight = 400
func init() {
    runtime.LockOSThread()
}
func loadFont(name string,scale float32, windowWidth int, windowHeight int) (*glfont.Font, error) {
    box := packr.NewBox("/Users/evil/dev/go/aminal/gui/packed-fonts/")
    fontBytes, err := box.Find(name)
    if err != nil {
        return nil, fmt.Errorf("packaged font '%s' could not be read: %s", name, err)
    }
    font, err := glfont.LoadFont(bytes.NewReader(fontBytes), scale, windowWidth, windowHeight)
    if err != nil {
        return nil, fmt.Errorf("font '%s' failed to load: %v", name, err)
    }
    return font, nil
}
func main() {
    if err := glfw.Init(); err != nil {
        log.Fatalln("failed to initialize glfw:", err)
    }
    defer glfw.Terminate()
    window, _ := glfw.CreateWindow(int(windowWidth), int(windowHeight), "glfontExample", nil, nil)
    window.MakeContextCurrent()
    glfw.SwapInterval(1)
    if err := gl.Init(); err != nil { 
        panic(err)
    }
    //load font (fontfile, font scale, window width, window height
    font, err := loadFont("Hack Regular Nerd Font Complete.ttf", 18, windowWidth, windowHeight)
    if err != nil {
        log.Panicf("LoadFont: %v", err)
    }
    gl.Enable(gl.DEPTH_TEST)
    gl.DepthFunc(gl.LESS)
    gl.ClearColor(0.0, 0.0, 0.0, 0.0)
    for !window.ShouldClose() {
        gl.Clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT)
     //set color and draw text
        font.SetColor(1.0, 1.0, 1.0, 1.0) //r,g,b,a font color
        font.Print(4, 100, "hello,world") //x,y,scale,string,printf args
        window.SwapBuffers()
        glfw.PollEvents()
    }
}
Example:

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