mth/ebiten
1
0
Fork 0
mirror of https://github.com/hajimehoshi/ebiten.git synced 2024-12-24 02:38:53 +01:00
Code Issues Packages Projects Releases Wiki Activity

affine: Improve speed of ScaleOnly

Browse Source
This commit is contained in:
Hajime Hoshi 2019-01-23 02:09:14 +09:00
parent 2b0dff197e
commit 54019a4735
1 changed files with 35 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

42
internal/affine/colorm.go
View File

@ -68,13 +68,41 @@ func (c *ColorM) ScaleOnly() bool {
return true
}
if c.body != nil {
for i, e := range c.body {
if i == 0 || i == 5 || i == 10 || i == 15 {
continue
}
if e != 0 {
return false
}
if c.body[1] != 0 {
return false
}
if c.body[2] != 0 {
return false
}
if c.body[3] != 0 {
return false
}
if c.body[4] != 0 {
return false
}
if c.body[6] != 0 {
return false
}
if c.body[7] != 0 {
return false
}
if c.body[8] != 0 {
return false
}
if c.body[9] != 0 {
return false
}
if c.body[11] != 0 {
return false
}
if c.body[12] != 0 {
return false
}
if c.body[13] != 0 {
return false
}
if c.body[14] != 0 {
return false
}
}
if c.translate != nil {