2013-06-19 01:49:54 +02:00
|
|
|
package opengl
|
2013-06-15 10:07:14 +02:00
|
|
|
|
2013-06-18 17:48:41 +02:00
|
|
|
import (
|
2013-10-14 04:34:58 +02:00
|
|
|
"github.com/hajimehoshi/go-ebiten/graphics"
|
|
|
|
"github.com/hajimehoshi/go-ebiten/graphics/matrix"
|
2013-12-06 18:20:48 +01:00
|
|
|
"image"
|
2013-06-18 17:48:41 +02:00
|
|
|
)
|
2013-06-15 10:07:14 +02:00
|
|
|
|
2013-06-17 16:10:55 +02:00
|
|
|
type Device struct {
|
2013-12-09 14:40:54 +01:00
|
|
|
canvas *Canvas
|
2013-11-27 03:56:44 +01:00
|
|
|
screenScale int
|
2013-06-15 10:07:14 +02:00
|
|
|
}
|
|
|
|
|
2013-10-05 18:47:19 +02:00
|
|
|
func NewDevice(screenWidth, screenHeight, screenScale int) *Device {
|
2013-12-09 14:40:54 +01:00
|
|
|
canvas := newCanvas(screenWidth, screenHeight, screenScale)
|
2013-11-20 16:05:57 +01:00
|
|
|
return &Device{
|
2013-12-09 14:40:54 +01:00
|
|
|
canvas: canvas,
|
2013-11-27 03:56:44 +01:00
|
|
|
screenScale: screenScale,
|
2013-06-15 10:07:14 +02:00
|
|
|
}
|
2013-10-05 18:47:19 +02:00
|
|
|
}
|
|
|
|
|
2013-12-06 18:20:48 +01:00
|
|
|
func (d *Device) Update(draw func(graphics.Canvas)) {
|
2013-12-09 14:40:54 +01:00
|
|
|
canvas := d.canvas
|
|
|
|
canvas.Init()
|
|
|
|
canvas.ResetOffscreen()
|
|
|
|
canvas.Clear()
|
2013-06-25 17:56:01 +02:00
|
|
|
|
2013-12-09 14:40:54 +01:00
|
|
|
draw(canvas)
|
2013-06-25 17:56:01 +02:00
|
|
|
|
2013-12-09 14:40:54 +01:00
|
|
|
canvas.flush()
|
|
|
|
canvas.setMainFramebufferOffscreen()
|
|
|
|
canvas.Clear()
|
2013-06-20 18:47:39 +02:00
|
|
|
|
2013-12-06 18:20:48 +01:00
|
|
|
scale := float64(d.screenScale)
|
2013-10-27 15:11:26 +01:00
|
|
|
geometryMatrix := matrix.IdentityGeometry()
|
|
|
|
geometryMatrix.Scale(scale, scale)
|
2013-12-09 14:40:54 +01:00
|
|
|
canvas.DrawRenderTarget(canvas.screenId,
|
2013-06-20 18:47:39 +02:00
|
|
|
geometryMatrix, matrix.IdentityColor())
|
2013-12-09 14:40:54 +01:00
|
|
|
canvas.flush()
|
2013-06-15 10:07:14 +02:00
|
|
|
}
|
2013-06-19 16:08:24 +02:00
|
|
|
|
2013-12-09 01:45:40 +01:00
|
|
|
func (d *Device) CreateRenderTarget(width, height int) (graphics.RenderTargetId, error) {
|
2013-12-09 14:40:54 +01:00
|
|
|
return d.canvas.CreateRenderTarget(width, height)
|
2013-12-06 18:20:48 +01:00
|
|
|
}
|
|
|
|
|
2013-12-09 01:45:40 +01:00
|
|
|
func (d *Device) CreateTexture(img image.Image) (graphics.TextureId, error) {
|
2013-12-09 14:40:54 +01:00
|
|
|
return d.canvas.CreateTextureFromImage(img)
|
2013-06-19 16:08:24 +02:00
|
|
|
}
|