// TODO(crawshaw): It looks like we need a gl.RegisterInit feature.
// TODO(crawshaw): The gldebug mode needs to complain loudly when GL functions
// are called before init, because often they fail silently.
func fpsInit() {
font := ""
switch runtime.GOOS {
case "android":
font = "/system/fonts/DroidSansMono.ttf"
case "darwin":
font = "/Library/Fonts/Andale Mono.ttf"
case "linux":
font = "/usr/share/fonts/truetype/droid/DroidSansMono.ttf"
default:
panic(fmt.Sprintf("go.mobile/app/debug: unsupported runtime.GOOS %q", runtime.GOOS))
}
b, err := ioutil.ReadFile(font)
if err != nil {
panic(err)
}
f, err := freetype.ParseFont(b)
if err != nil {
panic(err)
}
monofont.SetFont(f)
monofont.SetSrc(image.Black)
monofont.SetHinting(freetype.FullHinting)
toPx := func(x geom.Pt) int { return int(math.Ceil(float64(geom.Pt(x).Px()))) }
fps.Image = glutil.NewImage(toPx(50), toPx(12))
monofont.SetDst(fps.Image.RGBA)
monofont.SetClip(fps.Bounds())
monofont.SetDPI(72 * float64(geom.PixelsPerPt))
monofont.SetFontSize(12)
}
func (e *engine) LoadTexture(src image.Image) (sprite.Texture, error) {
b := src.Bounds()
t := &texture{glutil.NewImage(b.Dx(), b.Dy()), b}
t.Upload(b, src)
// TODO: set "glImage.Pix = nil"?? We don't need the CPU-side image any more.
return t, nil
}
// TODO(crawshaw): It looks like we need a gl.RegisterInit feature.
// TODO(crawshaw): The gldebug mode needs to complain loudly when GL functions
// are called before init, because often they fail silently.
func fpsInit() {
b := font.Monospace()
f, err := freetype.ParseFont(b)
if err != nil {
panic(err)
}
monofont.SetFont(f)
monofont.SetSrc(image.Black)
monofont.SetHinting(freetype.FullHinting)
toPx := func(x geom.Pt) int { return int(math.Ceil(float64(geom.Pt(x).Px()))) }
fps.Image = glutil.NewImage(toPx(50), toPx(12))
monofont.SetDst(fps.Image.RGBA)
monofont.SetClip(fps.Bounds())
monofont.SetDPI(72 * float64(geom.PixelsPerPt))
monofont.SetFontSize(12)
}