mirror of
https://github.com/hajimehoshi/ebiten.git
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50 lines
1.1 KiB
Go
50 lines
1.1 KiB
Go
package opengl
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import (
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"github.com/hajimehoshi/go-ebiten/graphics"
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"github.com/hajimehoshi/go-ebiten/graphics/matrix"
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"image"
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)
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type Device struct {
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context *Context
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screenScale int
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}
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func NewDevice(screenWidth, screenHeight, screenScale int) *Device {
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context := newContext(screenWidth, screenHeight, screenScale)
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return &Device{
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context: context,
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screenScale: screenScale,
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}
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}
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func (d *Device) Update(draw func(graphics.Canvas)) {
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context := d.context
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context.Init()
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context.ResetOffscreen()
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context.Clear()
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draw(context)
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context.flush()
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context.setMainFramebufferOffscreen()
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context.Clear()
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scale := float64(d.screenScale)
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geometryMatrix := matrix.IdentityGeometry()
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geometryMatrix.Scale(scale, scale)
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context.DrawRenderTarget(context.screenId,
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geometryMatrix, matrix.IdentityColor())
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context.flush()
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}
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// TODO: Remove 'tag'
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func (d *Device) CreateRenderTarget(tag string, width, height int) (graphics.RenderTargetId, error) {
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return d.context.CreateRenderTarget(width, height)
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}
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func (d *Device) CreateTextureFromImage(tag string, img image.Image) (graphics.TextureId, error) {
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return d.context.CreateTextureFromImage(img)
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}
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