mirror of
https://github.com/hajimehoshi/ebiten.git
synced 2024-12-25 11:18:54 +01:00
graphics: Rename sharedImage -> shareableImage
This commit is contained in:
parent
9d0ea5c241
commit
1556db74fa
@ -134,7 +134,7 @@ func (c *graphicsContext) needsRestoring() (bool, error) {
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if web.IsBrowser() {
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return c.invalidated, nil
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}
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return c.offscreen.sharedImagePart.IsInvalidated()
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return c.offscreen.shareableImagePart.IsInvalidated()
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}
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func (c *graphicsContext) restoreIfNeeded() error {
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38
image.go
38
image.go
@ -51,7 +51,7 @@ type Image struct {
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// See strings.Builder for similar examples.
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addr *Image
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sharedImagePart *sharedImagePart
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shareableImagePart *shareableImagePart
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filter Filter
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}
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@ -70,7 +70,7 @@ func (i *Image) copyCheck() {
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// Size returns the size of the image.
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func (i *Image) Size() (width, height int) {
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return i.sharedImagePart.Size()
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return i.shareableImagePart.Size()
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}
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// Clear resets the pixels of the image into 0.
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@ -116,7 +116,7 @@ func (i *Image) fill(r, g, b, a uint8) {
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}
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func (i *Image) isDisposed() bool {
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return i.sharedImagePart == nil
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return i.shareableImagePart == nil
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}
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// DrawImage draws the given image on the image i.
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@ -154,7 +154,7 @@ func (i *Image) DrawImage(img *Image, options *DrawImageOptions) error {
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if img.isDisposed() {
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panic("ebiten: the given image to DrawImage must not be disposed")
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}
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i.sharedImagePart.ensureNotShared()
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i.shareableImagePart.ensureNotShared()
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// Compare i and img after ensuring i is not shared, or
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// i and img might share the same texture even though i != img.
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@ -238,7 +238,7 @@ func (i *Image) DrawImage(img *Image, options *DrawImageOptions) error {
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filter = graphics.Filter(img.filter)
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}
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i.sharedImagePart.DrawImage(img.sharedImagePart, sx0, sy0, sx1, sy1, geom, options.ColorM.impl, mode, filter)
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i.shareableImagePart.DrawImage(img.shareableImagePart, sx0, sy0, sx1, sy1, geom, options.ColorM.impl, mode, filter)
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return nil
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}
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@ -264,7 +264,7 @@ func (i *Image) At(x, y int) color.Color {
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if i.isDisposed() {
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return color.RGBA{}
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}
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clr, err := i.sharedImagePart.At(x, y)
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clr, err := i.shareableImagePart.At(x, y)
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if err != nil {
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panic(err)
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}
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@ -283,8 +283,8 @@ func (i *Image) Dispose() error {
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if i.isDisposed() {
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return nil
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}
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i.sharedImagePart.Dispose()
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i.sharedImagePart = nil
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i.shareableImagePart.Dispose()
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i.shareableImagePart = nil
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runtime.SetFinalizer(i, nil)
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return nil
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}
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@ -305,7 +305,7 @@ func (i *Image) ReplacePixels(p []byte) error {
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if i.isDisposed() {
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return nil
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}
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i.sharedImagePart.ReplacePixels(p)
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i.shareableImagePart.ReplacePixels(p)
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return nil
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}
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@ -359,8 +359,8 @@ type DrawImageOptions struct {
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func NewImage(width, height int, filter Filter) (*Image, error) {
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s := newSharedImagePart(width, height)
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i := &Image{
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sharedImagePart: s,
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filter: filter,
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shareableImagePart: s,
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filter: filter,
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}
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i.fill(0, 0, 0, 0)
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runtime.SetFinalizer(i, (*Image).Dispose)
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@ -371,8 +371,8 @@ func NewImage(width, height int, filter Filter) (*Image, error) {
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func newImageWithoutInit(width, height int) *Image {
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s := newSharedImagePart(width, height)
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i := &Image{
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sharedImagePart: s,
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filter: FilterDefault,
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shareableImagePart: s,
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filter: FilterDefault,
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}
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runtime.SetFinalizer(i, (*Image).Dispose)
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return i
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@ -396,8 +396,8 @@ func newImageWithoutInit(width, height int) *Image {
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func newVolatileImage(width, height int, filter Filter) *Image {
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r := restorable.NewImage(width, height, true)
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i := &Image{
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sharedImagePart: &sharedImagePart{
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sharedImage: &sharedImage{
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shareableImagePart: &shareableImagePart{
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shareableImage: &shareableImage{
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restorable: r,
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},
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},
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@ -423,8 +423,8 @@ func NewImageFromImage(source image.Image, filter Filter) (*Image, error) {
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s := newSharedImagePart(width, height)
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i := &Image{
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sharedImagePart: s,
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filter: filter,
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shareableImagePart: s,
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filter: filter,
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}
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runtime.SetFinalizer(i, (*Image).Dispose)
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@ -435,8 +435,8 @@ func NewImageFromImage(source image.Image, filter Filter) (*Image, error) {
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func newImageWithScreenFramebuffer(width, height int) *Image {
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r := restorable.NewScreenFramebufferImage(width, height)
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i := &Image{
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sharedImagePart: &sharedImagePart{
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sharedImage: &sharedImage{
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shareableImagePart: &shareableImagePart{
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shareableImage: &shareableImage{
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restorable: r,
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},
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},
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81
shared.go
81
shared.go
@ -26,102 +26,103 @@ import (
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"github.com/hajimehoshi/ebiten/internal/sync"
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)
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type sharedImage struct {
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type shareableImage struct {
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restorable *restorable.Image
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page *packing.Page
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}
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var (
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theSharedImages = []*sharedImage{}
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// theSharedImages is a set of actually shared images.
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theSharedImages = []*shareableImage{}
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)
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type sharedImagePart struct {
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sharedImage *sharedImage
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type shareableImagePart struct {
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shareableImage *shareableImage
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// If node is nil, the image is not shared.
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node *packing.Node
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}
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func (s *sharedImagePart) ensureNotShared() {
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func (s *shareableImagePart) ensureNotShared() {
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if s.node == nil {
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return
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}
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x, y, w, h := s.region()
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newImg := restorable.NewImage(w, h, false)
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newImg.DrawImage(s.sharedImage.restorable, x, y, w, h, nil, nil, opengl.CompositeModeCopy, graphics.FilterNearest)
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newImg.DrawImage(s.shareableImage.restorable, x, y, w, h, nil, nil, opengl.CompositeModeCopy, graphics.FilterNearest)
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s.Dispose()
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s.sharedImage = &sharedImage{
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s.shareableImage = &shareableImage{
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restorable: newImg,
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}
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}
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func (s *sharedImagePart) region() (x, y, width, height int) {
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func (s *shareableImagePart) region() (x, y, width, height int) {
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if s.node == nil {
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w, h := s.sharedImage.restorable.Size()
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w, h := s.shareableImage.restorable.Size()
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return 0, 0, w, h
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}
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return s.node.Region()
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}
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func (s *sharedImagePart) Size() (width, height int) {
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func (s *shareableImagePart) Size() (width, height int) {
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_, _, w, h := s.region()
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return w, h
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}
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func (s *sharedImagePart) DrawImage(img *sharedImagePart, sx0, sy0, sx1, sy1 int, geom *affine.GeoM, colorm *affine.ColorM, mode opengl.CompositeMode, filter graphics.Filter) {
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func (s *shareableImagePart) DrawImage(img *shareableImagePart, sx0, sy0, sx1, sy1 int, geom *affine.GeoM, colorm *affine.ColorM, mode opengl.CompositeMode, filter graphics.Filter) {
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dx, dy, _, _ := img.region()
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sx0 += dx
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sy0 += dy
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sx1 += dx
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sy1 += dy
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s.sharedImage.restorable.DrawImage(img.sharedImage.restorable, sx0, sy0, sx1, sy1, geom, colorm, mode, filter)
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s.shareableImage.restorable.DrawImage(img.shareableImage.restorable, sx0, sy0, sx1, sy1, geom, colorm, mode, filter)
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}
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func (s *sharedImagePart) ReplacePixels(p []byte) {
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func (s *shareableImagePart) ReplacePixels(p []byte) {
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x, y, w, h := s.region()
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if l := 4 * w * h; len(p) != l {
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panic(fmt.Sprintf("ebiten: len(p) was %d but must be %d", len(p), l))
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}
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s.sharedImage.restorable.ReplacePixels(p, x, y, w, h)
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s.shareableImage.restorable.ReplacePixels(p, x, y, w, h)
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}
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func (s *sharedImagePart) At(x, y int) (color.Color, error) {
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func (s *shareableImagePart) At(x, y int) (color.Color, error) {
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ox, oy, w, h := s.region()
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if x < 0 || y < 0 || x >= w || y >= h {
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return color.RGBA{}, nil
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}
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return s.sharedImage.restorable.At(x+ox, y+oy)
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return s.shareableImage.restorable.At(x+ox, y+oy)
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}
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func (s *sharedImagePart) isDisposed() bool {
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return s.sharedImage == nil
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func (s *shareableImagePart) isDisposed() bool {
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return s.shareableImage == nil
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}
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func (s *sharedImagePart) Dispose() {
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func (s *shareableImagePart) Dispose() {
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if s.isDisposed() {
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return
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}
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defer func() {
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s.sharedImage = nil
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s.shareableImage = nil
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s.node = nil
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}()
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if s.node == nil {
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s.sharedImage.restorable.Dispose()
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s.shareableImage.restorable.Dispose()
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return
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}
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s.sharedImage.page.Free(s.node)
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if !s.sharedImage.page.IsEmpty() {
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s.shareableImage.page.Free(s.node)
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if !s.shareableImage.page.IsEmpty() {
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return
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}
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index := -1
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for i, sh := range theSharedImages {
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if sh == s.sharedImage {
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if sh == s.shareableImage {
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index = i
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break
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}
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@ -132,36 +133,36 @@ func (s *sharedImagePart) Dispose() {
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theSharedImages = append(theSharedImages[:index], theSharedImages[index+1:]...)
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}
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func (s *sharedImagePart) IsInvalidated() (bool, error) {
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return s.sharedImage.restorable.IsInvalidated()
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func (s *shareableImagePart) IsInvalidated() (bool, error) {
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return s.shareableImage.restorable.IsInvalidated()
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}
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var sharedImageLock sync.Mutex
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var shareableImageLock sync.Mutex
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func newSharedImagePart(width, height int) *sharedImagePart {
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func newSharedImagePart(width, height int) *shareableImagePart {
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const maxSize = 2048
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sharedImageLock.Lock()
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defer sharedImageLock.Unlock()
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shareableImageLock.Lock()
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defer shareableImageLock.Unlock()
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if width > maxSize || height > maxSize {
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s := &sharedImage{
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s := &shareableImage{
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restorable: restorable.NewImage(width, height, false),
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}
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return &sharedImagePart{
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sharedImage: s,
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return &shareableImagePart{
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shareableImage: s,
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}
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}
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for _, s := range theSharedImages {
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if n := s.page.Alloc(width, height); n != nil {
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return &sharedImagePart{
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sharedImage: s,
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node: n,
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return &shareableImagePart{
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shareableImage: s,
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node: n,
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}
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}
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}
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s := &sharedImage{
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s := &shareableImage{
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restorable: restorable.NewImage(maxSize, maxSize, false),
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page: packing.NewPage(maxSize),
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}
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@ -171,8 +172,8 @@ func newSharedImagePart(width, height int) *sharedImagePart {
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if n == nil {
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panic("not reached")
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}
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return &sharedImagePart{
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sharedImage: s,
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node: n,
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return &shareableImagePart{
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shareableImage: s,
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node: n,
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}
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}
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