package opengl import ( "github.com/hajimehoshi/go-ebiten/graphics" "github.com/hajimehoshi/go-ebiten/graphics/matrix" ) type Device struct { context *Context screenScale int } func NewDevice(screenWidth, screenHeight, screenScale int) *Device { context := newContext(screenWidth, screenHeight, screenScale) return &Device{ context: context, screenScale: screenScale, } } func (device *Device) Update(draw func(graphics.Canvas)) { context := device.context context.Init() context.ResetOffscreen() context.Clear() draw(context) context.flush() context.setMainFramebufferOffscreen() context.Clear() scale := float64(device.screenScale) geometryMatrix := matrix.IdentityGeometry() geometryMatrix.Scale(scale, scale) context.DrawRenderTarget(context.screenId, geometryMatrix, matrix.IdentityColor()) context.flush() } func (device *Device) TextureFactory() graphics.TextureFactory { return device.context }