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graphics: Fix restoring logic

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This commit is contained in:
Hajime Hoshi 2016-06-11 01:20:55 +09:00
parent 127cd4cab6
commit f897c3958e
2 changed files with 13 additions and 9 deletions
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2
graphicscontext.go
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@ -97,7 +97,7 @@ func (c *graphicsContext) Resume() error {
if err := graphics.Initialize(ui.GLContext()); err != nil {
return err
}
if err := theImages.restorePixels(); err != nil {
if err := theImages.restorePixels(ui.GLContext()); err != nil {
return err
}
return nil

20
image.go
View File

@ -89,11 +89,11 @@ func (i *images) remove(img *Image) {
delete(i.images, img.impl)
}
func (i *images) restorePixels() error {
func (i *images) restorePixels(context *opengl.Context) error {
i.m.Lock()
defer i.m.Unlock()
for img := range i.images {
if err := img.restorePixels(); err != nil {
if err := img.restorePixels(context); err != nil {
return err
}
}
@ -293,7 +293,7 @@ func (i *imageImpl) At(x, y int) color.Color {
return color.RGBA{r, g, b, a}
}
func (i *imageImpl) restorePixels() error {
func (i *imageImpl) restorePixels(context *opengl.Context) error {
imageM.Lock()
defer imageM.Unlock()
if i.defaultFramebuffer {
@ -302,15 +302,19 @@ func (i *imageImpl) restorePixels() error {
if i.disposed {
return nil
}
if i.pixels == nil {
return errors.New("ebiten: pixels must not be nil")
}
if i.texture != nil {
return errors.New("ebiten: texture must be nil")
// TODO: As the texture is already disposed, is it correct to delete it here?
if err := i.texture.Dispose(context); err != nil {
return err
}
}
if i.framebuffer != nil {
return errors.New("ebiten: framebuffer must be nil")
// TODO: Ditto
if err := i.framebuffer.Dispose(context); err != nil {
return err
}
}
// TODO: Recalc i.pixels here
img := image.NewRGBA(image.Rect(0, 0, i.width, i.height))
for j := 0; j < i.height; j++ {
copy(img.Pix[j*img.Stride:], i.pixels[j*i.width*4:(j+1)*i.width*4])