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graraphics: Refactoring: Remove imageImpl.disposed

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This commit is contained in:
Hajime Hoshi 2016-09-04 02:42:06 +09:00
parent 959abec06d
commit 3ad6dc4679
1 changed files with 11 additions and 12 deletions
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23
imageimpl.go
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@ -28,7 +28,6 @@ import (
)
type imageImpl struct {
disposed bool
restorable *restorable.Image
m sync.Mutex
}
@ -89,7 +88,7 @@ func newScreenImageImpl(width, height int) (*imageImpl, error) {
func (i *imageImpl) Fill(clr color.Color) error {
i.m.Lock()
defer i.m.Unlock()
if i.disposed {
if i.restorable == nil {
return errors.New("ebiten: image is already disposed")
}
rgba := color.RGBAModel.Convert(clr).(color.RGBA)
@ -102,7 +101,7 @@ func (i *imageImpl) Fill(clr color.Color) error {
func (i *imageImpl) clearIfVolatile() error {
i.m.Lock()
defer i.m.Unlock()
if i.disposed {
if i.restorable == nil {
return nil
}
if err := i.restorable.ClearIfVolatile(); err != nil {
@ -141,7 +140,7 @@ func (i *imageImpl) DrawImage(image *Image, options *DrawImageOptions) error {
}
i.m.Lock()
defer i.m.Unlock()
if i.disposed {
if i.restorable == nil {
return errors.New("ebiten: image is already disposed")
}
geom := options.GeoM
@ -159,7 +158,7 @@ func (i *imageImpl) At(x, y int, context *opengl.Context) color.Color {
}
i.m.Lock()
defer i.m.Unlock()
if i.disposed {
if i.restorable == nil {
return color.Transparent
}
w, _ := i.restorable.Size()
@ -174,7 +173,7 @@ func (i *imageImpl) At(x, y int, context *opengl.Context) color.Color {
func (i *imageImpl) resolveStalePixels(context *opengl.Context) error {
i.m.Lock()
defer i.m.Unlock()
if i.disposed {
if i.restorable == nil {
return nil
}
if err := i.restorable.ReadPixelsFromVRAMIfStale(context); err != nil {
@ -189,7 +188,7 @@ func (i *imageImpl) resetPixelsIfDependingOn(target *imageImpl, context *opengl.
if i == target {
return nil
}
if i.disposed {
if i.restorable == nil {
return nil
}
if target.isDisposed() {
@ -210,7 +209,7 @@ func (i *imageImpl) hasDependency() bool {
func (i *imageImpl) restore(context *opengl.Context) error {
i.m.Lock()
defer i.m.Unlock()
if i.disposed {
if i.restorable == nil {
return nil
}
if err := i.restorable.Restore(context); err != nil {
@ -222,13 +221,13 @@ func (i *imageImpl) restore(context *opengl.Context) error {
func (i *imageImpl) Dispose() error {
i.m.Lock()
defer i.m.Unlock()
if i.disposed {
if i.restorable == nil {
return errors.New("ebiten: image is already disposed")
}
if err := i.restorable.Dispose(); err != nil {
return err
}
i.disposed = true
i.restorable = nil
runtime.SetFinalizer(i, nil)
return nil
}
@ -240,7 +239,7 @@ func (i *imageImpl) ReplacePixels(p []uint8) error {
}
i.m.Lock()
defer i.m.Unlock()
if i.disposed {
if i.restorable == nil {
return errors.New("ebiten: image is already disposed")
}
if err := i.restorable.ReplacePixels(p); err != nil {
@ -252,7 +251,7 @@ func (i *imageImpl) ReplacePixels(p []uint8) error {
func (i *imageImpl) isDisposed() bool {
i.m.Lock()
defer i.m.Unlock()
return i.disposed
return i.restorable == nil
}
func (i *imageImpl) isInvalidated(context *opengl.Context) bool {