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internal/atlas: bug fix: possible overflowing on 32bit machines

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Closes #2728
This commit is contained in:
Hajime Hoshi 2023-08-19 01:19:15 +09:00
parent 14c03e9aec
commit a5af6dc0a9
1 changed files with 5 additions and 2 deletions
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7
internal/atlas/image.go
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@ -17,6 +17,7 @@ package atlas
import (
"fmt"
"image"
"math"
"runtime"
"sync"
@ -113,8 +114,10 @@ const baseCountToPutOnSourceBackend = 10
func putImagesOnSourceBackend(graphicsDriver graphicsdriver.Graphics) error {
for i := range imagesToPutOnSourceBackend {
i.usedAsSourceCount++
if i.usedAsSourceCount >= baseCountToPutOnSourceBackend*(1<<uint(min(i.destinationCount, 31))) {
if i.usedAsSourceCount < math.MaxInt {
i.usedAsSourceCount++
}
if int64(i.usedAsSourceCount) >= int64(baseCountToPutOnSourceBackend*(1<<uint(min(i.destinationCount, 31)))) {
if err := i.putOnSourceBackend(graphicsDriver); err != nil {
return err
}