mth/ebiten
1
0
Fork 0
mirror of https://github.com/hajimehoshi/ebiten.git synced 2024-12-26 03:38:55 +01:00
Code Issues Packages Projects Releases Wiki Activity

graphics: Bug fix: a too old frame was rendered at least on Android

Browse Source 
Fixes #520
This commit is contained in:
Hajime Hoshi 2018-03-01 11:37:01 +09:00
parent 1a898dd1b9
commit deab21fad1
1 changed files with 16 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

33
graphicscontext.go
View File

@ -97,27 +97,26 @@ func (c *graphicsContext) Update(afterFrameUpdate func()) error {
} }
afterFrameUpdate() afterFrameUpdate()
} }
if 0 < updateCount {
// Call ClearFramebuffer instead of c.screen.Clear()
// to clear the whole region including fullscreen's padding.
c.screen.restorable.ClearFramebuffer()
dw, dh := c.screen.Size() // Call ClearFramebuffer instead of c.screen.Clear()
sw, _ := c.offscreen.Size() // to clear the whole region including fullscreen's padding.
scale := float64(dw) / float64(sw) c.screen.restorable.ClearFramebuffer()
op := &DrawImageOptions{} dw, dh := c.screen.Size()
sw, _ := c.offscreen.Size()
scale := float64(dw) / float64(sw)
// c.screen is special: its Y axis is down to up, op := &DrawImageOptions{}
// and the origin point is lower left.
op.GeoM.Scale(scale, -scale)
op.GeoM.Translate(0, float64(dh))
op.GeoM.Translate(c.offsetX, c.offsetY)
op.CompositeMode = CompositeModeCopy // c.screen is special: its Y axis is down to up,
op.Filter = filterScreen // and the origin point is lower left.
_ = c.screen.DrawImage(c.offscreen, op) op.GeoM.Scale(scale, -scale)
} op.GeoM.Translate(0, float64(dh))
op.GeoM.Translate(c.offsetX, c.offsetY)
op.CompositeMode = CompositeModeCopy
op.Filter = filterScreen
_ = c.screen.DrawImage(c.offscreen, op)
if err := restorable.ResolveStaleImages(); err != nil { if err := restorable.ResolveStaleImages(); err != nil {
return err return err