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buffered: Defer ReplacePixels when possible

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This commit is contained in:
Hajime Hoshi 2020-06-14 04:39:55 +09:00
parent cf3436da21
commit 1395ab5e84
1 changed files with 7 additions and 1 deletions
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8
internal/buffered/image.go
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@ -203,7 +203,13 @@ func (i *Image) ReplacePixels(pix []byte, x, y, width, height int) error {
if x == 0 && y == 0 && width == i.width && height == i.height {
i.invalidatePendingPixels()
i.img.ReplacePixels(pix)
// Don't call (*mipmap.Mipmap).ReplacePixels here. Let's defer it to reduce GPU operations as much as
// posssible.
copied := make([]byte, len(pix))
copy(copied, pix)
i.pixels = copied
i.needsToResolvePixels = true
return nil
}