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restorable: Record indices for restoring

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This commit is contained in:
Hajime Hoshi 2018-06-10 20:17:48 +09:00
parent 2e5e7e6e24
commit 600983e028
1 changed files with 7 additions and 4 deletions
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11
internal/restorable/image.go
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@ -28,6 +28,7 @@ import (
type drawImageHistoryItem struct {
image *Image
vertices []float32
indices []uint16
colorm *affine.ColorM
mode opengl.CompositeMode
filter graphics.Filter
@ -193,16 +194,17 @@ func (i *Image) DrawImage(img *Image, sx0, sy0, sx1, sy1 int, geom *affine.GeoM,
}
theImages.makeStaleIfDependingOn(i)
indices := quadIndices
if img.stale || img.volatile || i.screen || !IsRestoringEnabled() {
i.makeStale()
} else {
i.appendDrawImageHistory(img, vs, colorm, mode, filter)
i.appendDrawImageHistory(img, vs, indices, colorm, mode, filter)
}
i.image.DrawImage(img.image, vs, quadIndices, colorm, mode, filter)
i.image.DrawImage(img.image, vs, indices, colorm, mode, filter)
}
// appendDrawImageHistory appends a draw-image history item to the image.
func (i *Image) appendDrawImageHistory(image *Image, vertices []float32, colorm *affine.ColorM, mode opengl.CompositeMode, filter graphics.Filter) {
func (i *Image) appendDrawImageHistory(image *Image, vertices []float32, indices []uint16, colorm *affine.ColorM, mode opengl.CompositeMode, filter graphics.Filter) {
if i.stale || i.volatile || i.screen {
return
}
@ -216,6 +218,7 @@ func (i *Image) appendDrawImageHistory(image *Image, vertices []float32, colorm
item := &drawImageHistoryItem{
image: image,
vertices: vertices,
indices: indices,
colorm: colorm,
mode: mode,
filter: filter,
@ -350,7 +353,7 @@ func (i *Image) restore() error {
if c.image.hasDependency() {
panic("not reached")
}
gimg.DrawImage(c.image.image, c.vertices, quadIndices, c.colorm, c.mode, c.filter)
gimg.DrawImage(c.image.image, c.vertices, c.indices, c.colorm, c.mode, c.filter)
}
i.image = gimg