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ebiten: optimization: use FilterNearest for an integer scale

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Updates #1772
This commit is contained in:
Hajime Hoshi 2022-02-23 02:52:15 +09:00
parent 8b7273b74a
commit 352fd76312
1 changed files with 6 additions and 2 deletions
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8
gameforui.go
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@ -16,6 +16,7 @@ package ebiten
import (
"fmt"
"math"
"github.com/hajimehoshi/ebiten/v2/internal/graphicsdriver"
)
@ -107,9 +108,12 @@ func (c *gameForUI) Draw(screenScale float64, offsetX, offsetY float64, needsCle
// filterScreen works with >=1 scale, but does not well with <1 scale.
// Use regular FilterLinear instead so far (#669).
if s >= 1 {
switch {
case math.Floor(s) == s:
op.Filter = FilterNearest
case s > 1:
op.Filter = filterScreen
} else {
default:
op.Filter = FilterLinear
}
c.screen.DrawImage(c.offscreen, op)