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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 ( import (
"fmt" "fmt"
"math"
"github.com/hajimehoshi/ebiten/v2/internal/graphicsdriver" "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. // filterScreen works with >=1 scale, but does not well with <1 scale.
// Use regular FilterLinear instead so far (#669). // 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 op.Filter = filterScreen
} else { default:
op.Filter = FilterLinear op.Filter = FilterLinear
} }
c.screen.DrawImage(c.offscreen, op) c.screen.DrawImage(c.offscreen, op)