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Add syncer

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This commit is contained in:
Hajime Hoshi 2014-12-14 21:04:26 +09:00
parent 3190609f07
commit 97857715fa
2 changed files with 30 additions and 18 deletions
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39
syncgraphicscontext.go
View File

@ -16,65 +16,70 @@ limitations under the License.
package ebiten
type syncer interface {
Sync(f func())
}
type syncGraphicsContext struct {
ui *ui
syncer syncer
innerGraphicsContext GraphicsContext
}
var _ GraphicsContext = new(syncGraphicsContext)
func (c *syncGraphicsContext) Clear() {
c.ui.use(func() {
c.ui.graphicsContext.Clear()
c.syncer.Sync(func() {
c.innerGraphicsContext.Clear()
})
}
func (c *syncGraphicsContext) Fill(r, g, b uint8) {
c.ui.use(func() {
c.ui.graphicsContext.Fill(r, g, b)
c.syncer.Sync(func() {
c.innerGraphicsContext.Fill(r, g, b)
})
}
func (c *syncGraphicsContext) Texture(id TextureID) (d Drawer) {
c.ui.use(func() {
c.syncer.Sync(func() {
d = &drawer{
ui: c.ui,
innerDrawer: c.ui.graphicsContext.Texture(id),
syncer: c.syncer,
innerDrawer: c.innerGraphicsContext.Texture(id),
}
})
return
}
func (c *syncGraphicsContext) RenderTarget(id RenderTargetID) (d Drawer) {
c.ui.use(func() {
c.syncer.Sync(func() {
d = &drawer{
ui: c.ui,
innerDrawer: c.ui.graphicsContext.RenderTarget(id),
syncer: c.syncer,
innerDrawer: c.innerGraphicsContext.RenderTarget(id),
}
})
return
}
func (c *syncGraphicsContext) PopRenderTarget() {
c.ui.use(func() {
c.ui.graphicsContext.PopRenderTarget()
c.syncer.Sync(func() {
c.innerGraphicsContext.PopRenderTarget()
})
}
func (c *syncGraphicsContext) PushRenderTarget(id RenderTargetID) {
c.ui.use(func() {
c.ui.graphicsContext.PushRenderTarget(id)
c.syncer.Sync(func() {
c.innerGraphicsContext.PushRenderTarget(id)
})
}
type drawer struct {
ui *ui
syncer syncer
innerDrawer Drawer
}
var _ Drawer = new(drawer)
func (d *drawer) Draw(parts []TexturePart, geo GeometryMatrix, color ColorMatrix) {
d.ui.use(func() {
d.syncer.Sync(func() {
d.innerDrawer.Draw(parts, geo, color)
})
}

9
ui.go
View File

@ -87,11 +87,18 @@ func (u *ui) drawGame(game Game) error {
return u.draw(game)
}
func (u *ui) Sync(f func()) {
u.use(f)
}
func (u *ui) draw(game Game) (err error) {
u.use(func() {
u.graphicsContext.preUpdate()
})
if err = game.Draw(&syncGraphicsContext{u}); err != nil {
if err = game.Draw(&syncGraphicsContext{
syncer: u,
innerGraphicsContext: u.graphicsContext,
}); err != nil {
return
}
u.use(func() {