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graphics: Fix a comment

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Hajime Hoshi 2016-07-05 11:40:23 +09:00
parent 31d1af9740
commit 1fdfa5707a
1 changed files with 5 additions and 5 deletions
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10
image.go
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@ -172,7 +172,7 @@ func (i *Image) Dispose() error {
//
// This function is concurrent-safe.
//
// BUG(hajimehoshi) This might not work on Android (#211).
// BUG(hajimehoshi) ReplacePixels might not work on Android (#211).
func (i *Image) ReplacePixels(p []uint8) error {
return i.impl.ReplacePixels(p)
}
@ -209,12 +209,12 @@ func NewImage(width, height int, filter Filter) (*Image, error) {
}
// NewVolatileImage returns an empty 'volatile' image.
// A volatile image is an image that pixels might be lost at the next frame.
// A volatile image is an image that pixels might be lost at another frame.
//
// This is suitable for offscreen images that pixels are changed every frame.
// This is suitable for offscreen images that pixels are changed often.
//
// Pixels in regular non-volatile images are saved at each end of a frame if necessary
// and restored automatically on GL context lost.
// Pixels in regular non-volatile images are saved at each end of a frame if the image
// is changed, and restored automatically from the saved pixels on GL context lost.
// On the other hand, pixels in volatile images are not saved and can be lost
// on GL context lost.
// Saving pixels is an expensive operation, and it is desirable to avoid it if possible.