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restorable: Make (*Image).DrawImage accept vertices and indices

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This commit is contained in:
Hajime Hoshi 2018-06-10 22:59:00 +09:00
parent 97a54548df
commit 9745ccee47
4 changed files with 92 additions and 48 deletions
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13
internal/restorable/image.go
View File

@ -148,7 +148,7 @@ func (i *Image) ReplacePixels(pixels []byte, x, y, width, height int) {
geom := (*affine.GeoM)(nil).Scale(float64(width)/float64(w), float64(height)/float64(h))
geom = geom.Translate(float64(x), float64(y))
colorm := (*affine.ColorM)(nil).Scale(0, 0, 0, 0)
vs := quadVertices(w, h, 0, 0, w, h, geom)
vs := QuadVertices(w, h, 0, 0, w, h, geom)
i.image.DrawImage(dummyImage.image, vs, quadIndices, colorm, opengl.CompositeModeCopy, graphics.FilterNearest)
}
@ -186,21 +186,18 @@ func (i *Image) ReplacePixels(pixels []byte, x, y, width, height int) {
}
// DrawImage draws a given image img to the image.
func (i *Image) DrawImage(img *Image, sx0, sy0, sx1, sy1 int, geom *affine.GeoM, colorm *affine.ColorM, mode opengl.CompositeMode, filter graphics.Filter) {
w, h := img.Size()
vs := quadVertices(w, h, sx0, sy0, sx1, sy1, geom)
if vs == nil {
func (i *Image) DrawImage(img *Image, vertices []float32, indices []uint16, colorm *affine.ColorM, mode opengl.CompositeMode, filter graphics.Filter) {
if len(vertices) == 0 {
return
}
theImages.makeStaleIfDependingOn(i)
indices := quadIndices
if img.stale || img.volatile || i.screen || !IsRestoringEnabled() {
i.makeStale()
} else {
i.appendDrawImageHistory(img, vs, indices, colorm, mode, filter)
i.appendDrawImageHistory(img, vertices, indices, colorm, mode, filter)
}
i.image.DrawImage(img.image, vs, indices, colorm, mode, filter)
i.image.DrawImage(img.image, vertices, indices, colorm, mode, filter)
}
// appendDrawImageHistory appends a draw-image history item to the image.

110
internal/restorable/images_test.go
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@ -101,6 +101,10 @@ func TestRestore(t *testing.T) {
}
}
var (
quadIndices = []uint16{0, 1, 2, 1, 2, 3}
)
func TestRestoreChain(t *testing.T) {
const num = 10
imgs := []*Image{}
@ -117,7 +121,9 @@ func TestRestoreChain(t *testing.T) {
clr := color.RGBA{0x00, 0x00, 0x00, 0xff}
fill(imgs[0], clr.R, clr.G, clr.B, clr.A)
for i := 0; i < num-1; i++ {
imgs[i+1].DrawImage(imgs[i], 0, 0, 1, 1, nil, nil, opengl.CompositeModeCopy, graphics.FilterNearest)
w, h := imgs[i].Size()
vs := QuadVertices(w, h, 0, 0, 1, 1, nil)
imgs[i+1].DrawImage(imgs[i], vs, quadIndices, nil, opengl.CompositeModeCopy, graphics.FilterNearest)
}
if err := ResolveStaleImages(); err != nil {
t.Fatal(err)
@ -135,10 +141,14 @@ func TestRestoreChain(t *testing.T) {
}
func TestRestoreChain2(t *testing.T) {
const num = 10
const (
num = 10
w = 1
h = 1
)
imgs := []*Image{}
for i := 0; i < num; i++ {
img := NewImage(1, 1, false)
img := NewImage(w, h, false)
fill(img, 0, 0, 0, 0)
imgs = append(imgs, img)
}
@ -155,10 +165,11 @@ func TestRestoreChain2(t *testing.T) {
clr8 := color.RGBA{0x00, 0x00, 0xff, 0xff}
fill(imgs[8], clr8.R, clr8.G, clr8.B, clr8.A)
imgs[8].DrawImage(imgs[7], 0, 0, 1, 1, nil, nil, opengl.CompositeModeCopy, graphics.FilterNearest)
imgs[9].DrawImage(imgs[8], 0, 0, 1, 1, nil, nil, opengl.CompositeModeCopy, graphics.FilterNearest)
vs := QuadVertices(w, h, 0, 0, w, h, nil)
imgs[8].DrawImage(imgs[7], vs, quadIndices, nil, opengl.CompositeModeCopy, graphics.FilterNearest)
imgs[9].DrawImage(imgs[8], vs, quadIndices, nil, opengl.CompositeModeCopy, graphics.FilterNearest)
for i := 0; i < 7; i++ {
imgs[i+1].DrawImage(imgs[i], 0, 0, 1, 1, nil, nil, opengl.CompositeModeCopy, graphics.FilterNearest)
imgs[i+1].DrawImage(imgs[i], vs, quadIndices, nil, opengl.CompositeModeCopy, graphics.FilterNearest)
}
if err := ResolveStaleImages(); err != nil {
@ -180,13 +191,17 @@ func TestRestoreChain2(t *testing.T) {
}
func TestRestoreOverrideSource(t *testing.T) {
img0 := NewImage(1, 1, false)
const (
w = 1
h = 1
)
img0 := NewImage(w, h, false)
fill(img0, 0, 0, 0, 0)
img1 := NewImage(1, 1, false)
img1 := NewImage(w, h, false)
fill(img1, 0, 0, 0, 0)
img2 := NewImage(1, 1, false)
img2 := NewImage(w, h, false)
fill(img2, 0, 0, 0, 0)
img3 := NewImage(1, 1, false)
img3 := NewImage(w, h, false)
fill(img3, 0, 0, 0, 0)
defer func() {
img3.Dispose()
@ -197,10 +212,11 @@ func TestRestoreOverrideSource(t *testing.T) {
clr0 := color.RGBA{0x00, 0x00, 0x00, 0xff}
clr1 := color.RGBA{0x00, 0x00, 0x01, 0xff}
fill(img1, clr0.R, clr0.G, clr0.B, clr0.A)
img2.DrawImage(img1, 0, 0, 1, 1, nil, nil, opengl.CompositeModeSourceOver, graphics.FilterNearest)
img3.DrawImage(img2, 0, 0, 1, 1, nil, nil, opengl.CompositeModeSourceOver, graphics.FilterNearest)
vs := QuadVertices(w, h, 0, 0, w, h, nil)
img2.DrawImage(img1, vs, quadIndices, nil, opengl.CompositeModeSourceOver, graphics.FilterNearest)
img3.DrawImage(img2, vs, quadIndices, nil, opengl.CompositeModeSourceOver, graphics.FilterNearest)
fill(img0, clr1.R, clr1.G, clr1.B, clr1.A)
img1.DrawImage(img0, 0, 0, 1, 1, nil, nil, opengl.CompositeModeSourceOver, graphics.FilterNearest)
img1.DrawImage(img0, vs, quadIndices, nil, opengl.CompositeModeSourceOver, graphics.FilterNearest)
if err := ResolveStaleImages(); err != nil {
t.Fatal(err)
}
@ -241,6 +257,10 @@ func TestRestoreOverrideSource(t *testing.T) {
}
func TestRestoreComplexGraph(t *testing.T) {
const (
w = 4
h = 1
)
// 0 -> 3
// 1 -> 3
// 1 -> 4
@ -250,7 +270,7 @@ func TestRestoreComplexGraph(t *testing.T) {
// 3 -> 6
// 3 -> 7
// 4 -> 6
base := image.NewRGBA(image.Rect(0, 0, 4, 1))
base := image.NewRGBA(image.Rect(0, 0, w, h))
base.Pix[0] = 0xff
base.Pix[1] = 0xff
base.Pix[2] = 0xff
@ -258,15 +278,15 @@ func TestRestoreComplexGraph(t *testing.T) {
img0 := newImageFromImage(base)
img1 := newImageFromImage(base)
img2 := newImageFromImage(base)
img3 := NewImage(4, 1, false)
img3 := NewImage(w, h, false)
fill(img3, 0, 0, 0, 0)
img4 := NewImage(4, 1, false)
img4 := NewImage(w, h, false)
fill(img4, 0, 0, 0, 0)
img5 := NewImage(4, 1, false)
img5 := NewImage(w, h, false)
fill(img5, 0, 0, 0, 0)
img6 := NewImage(4, 1, false)
img6 := NewImage(w, h, false)
fill(img6, 0, 0, 0, 0)
img7 := NewImage(4, 1, false)
img7 := NewImage(w, h, false)
fill(img7, 0, 0, 0, 0)
defer func() {
img7.Dispose()
@ -278,15 +298,24 @@ func TestRestoreComplexGraph(t *testing.T) {
img1.Dispose()
img0.Dispose()
}()
img3.DrawImage(img0, 0, 0, 4, 1, (*affine.GeoM)(nil).Translate(0, 0), nil, opengl.CompositeModeSourceOver, graphics.FilterNearest)
img3.DrawImage(img1, 0, 0, 4, 1, (*affine.GeoM)(nil).Translate(1, 0), nil, opengl.CompositeModeSourceOver, graphics.FilterNearest)
img4.DrawImage(img1, 0, 0, 4, 1, (*affine.GeoM)(nil).Translate(1, 0), nil, opengl.CompositeModeSourceOver, graphics.FilterNearest)
img4.DrawImage(img2, 0, 0, 4, 1, (*affine.GeoM)(nil).Translate(2, 0), nil, opengl.CompositeModeSourceOver, graphics.FilterNearest)
img5.DrawImage(img3, 0, 0, 4, 1, (*affine.GeoM)(nil).Translate(0, 0), nil, opengl.CompositeModeSourceOver, graphics.FilterNearest)
img6.DrawImage(img3, 0, 0, 4, 1, (*affine.GeoM)(nil).Translate(0, 0), nil, opengl.CompositeModeSourceOver, graphics.FilterNearest)
img6.DrawImage(img4, 0, 0, 4, 1, (*affine.GeoM)(nil).Translate(1, 0), nil, opengl.CompositeModeSourceOver, graphics.FilterNearest)
img7.DrawImage(img2, 0, 0, 4, 1, (*affine.GeoM)(nil).Translate(0, 0), nil, opengl.CompositeModeSourceOver, graphics.FilterNearest)
img7.DrawImage(img3, 0, 0, 4, 1, (*affine.GeoM)(nil).Translate(2, 0), nil, opengl.CompositeModeSourceOver, graphics.FilterNearest)
vs := QuadVertices(w, h, 0, 0, w, h, (*affine.GeoM)(nil).Translate(0, 0))
img3.DrawImage(img0, vs, quadIndices, nil, opengl.CompositeModeSourceOver, graphics.FilterNearest)
vs = QuadVertices(w, h, 0, 0, w, h, (*affine.GeoM)(nil).Translate(1, 0))
img3.DrawImage(img1, vs, quadIndices, nil, opengl.CompositeModeSourceOver, graphics.FilterNearest)
vs = QuadVertices(w, h, 0, 0, w, h, (*affine.GeoM)(nil).Translate(1, 0))
img4.DrawImage(img1, vs, quadIndices, nil, opengl.CompositeModeSourceOver, graphics.FilterNearest)
vs = QuadVertices(w, h, 0, 0, w, h, (*affine.GeoM)(nil).Translate(2, 0))
img4.DrawImage(img2, vs, quadIndices, nil, opengl.CompositeModeSourceOver, graphics.FilterNearest)
vs = QuadVertices(w, h, 0, 0, w, h, (*affine.GeoM)(nil).Translate(0, 0))
img5.DrawImage(img3, vs, quadIndices, nil, opengl.CompositeModeSourceOver, graphics.FilterNearest)
vs = QuadVertices(w, h, 0, 0, w, h, (*affine.GeoM)(nil).Translate(0, 0))
img6.DrawImage(img3, vs, quadIndices, nil, opengl.CompositeModeSourceOver, graphics.FilterNearest)
vs = QuadVertices(w, h, 0, 0, w, h, (*affine.GeoM)(nil).Translate(1, 0))
img6.DrawImage(img4, vs, quadIndices, nil, opengl.CompositeModeSourceOver, graphics.FilterNearest)
vs = QuadVertices(w, h, 0, 0, w, h, (*affine.GeoM)(nil).Translate(0, 0))
img7.DrawImage(img2, vs, quadIndices, nil, opengl.CompositeModeSourceOver, graphics.FilterNearest)
vs = QuadVertices(w, h, 0, 0, w, h, (*affine.GeoM)(nil).Translate(2, 0))
img7.DrawImage(img3, vs, quadIndices, nil, opengl.CompositeModeSourceOver, graphics.FilterNearest)
if err := ResolveStaleImages(); err != nil {
t.Fatal(err)
}
@ -361,21 +390,26 @@ func newImageFromImage(rgba *image.RGBA) *Image {
}
func TestRestoreRecursive(t *testing.T) {
base := image.NewRGBA(image.Rect(0, 0, 4, 1))
const (
w = 4
h = 1
)
base := image.NewRGBA(image.Rect(0, 0, w, h))
base.Pix[0] = 0xff
base.Pix[1] = 0xff
base.Pix[2] = 0xff
base.Pix[3] = 0xff
img0 := newImageFromImage(base)
img1 := NewImage(4, 1, false)
img1 := NewImage(w, h, false)
fill(img1, 0, 0, 0, 0)
defer func() {
img1.Dispose()
img0.Dispose()
}()
img1.DrawImage(img0, 0, 0, 4, 1, (*affine.GeoM)(nil).Translate(1, 0), nil, opengl.CompositeModeSourceOver, graphics.FilterNearest)
img0.DrawImage(img1, 0, 0, 4, 1, (*affine.GeoM)(nil).Translate(1, 0), nil, opengl.CompositeModeSourceOver, graphics.FilterNearest)
vs := QuadVertices(w, h, 0, 0, w, h, (*affine.GeoM)(nil).Translate(1, 0))
img1.DrawImage(img0, vs, quadIndices, nil, opengl.CompositeModeSourceOver, graphics.FilterNearest)
img0.DrawImage(img1, vs, quadIndices, nil, opengl.CompositeModeSourceOver, graphics.FilterNearest)
if err := ResolveStaleImages(); err != nil {
t.Fatal(err)
}
@ -469,7 +503,9 @@ func TestDrawImageAndReplacePixels(t *testing.T) {
defer img0.Dispose()
img1 := NewImage(2, 1, false)
defer img1.Dispose()
img1.DrawImage(img0, 0, 0, 1, 1, nil, nil, opengl.CompositeModeCopy, graphics.FilterNearest)
vs := QuadVertices(1, 1, 0, 0, 1, 1, nil)
img1.DrawImage(img0, vs, quadIndices, nil, opengl.CompositeModeCopy, graphics.FilterNearest)
img1.ReplacePixels([]byte{0xff, 0xff, 0xff, 0xff}, 1, 0, 1, 1)
if err := ResolveStaleImages(); err != nil {
@ -504,8 +540,9 @@ func TestDispose(t *testing.T) {
img2 := newImageFromImage(base2)
defer img2.Dispose()
img1.DrawImage(img2, 0, 0, 1, 1, nil, nil, opengl.CompositeModeCopy, graphics.FilterNearest)
img0.DrawImage(img1, 0, 0, 1, 1, nil, nil, opengl.CompositeModeCopy, graphics.FilterNearest)
vs := QuadVertices(1, 1, 0, 0, 1, 1, nil)
img1.DrawImage(img2, vs, quadIndices, nil, opengl.CompositeModeCopy, graphics.FilterNearest)
img0.DrawImage(img1, vs, quadIndices, nil, opengl.CompositeModeCopy, graphics.FilterNearest)
img1.Dispose()
if err := ResolveStaleImages(); err != nil {
@ -535,7 +572,8 @@ func TestDoubleResolve(t *testing.T) {
base.Pix[3] = 0xff
img1 := newImageFromImage(base)
img0.DrawImage(img1, 0, 0, 1, 1, nil, nil, opengl.CompositeModeCopy, graphics.FilterNearest)
vs := QuadVertices(1, 1, 0, 0, 1, 1, nil)
img0.DrawImage(img1, vs, quadIndices, nil, opengl.CompositeModeCopy, graphics.FilterNearest)
img0.ReplacePixels([]uint8{0x00, 0xff, 0x00, 0xff}, 1, 1, 1, 1)
// Now img0 is stale.
if err := ResolveStaleImages(); err != nil {

2
internal/restorable/vertices.go
View File

@ -44,7 +44,7 @@ func (v *verticesBackend) sliceForOneQuad() []float32 {
return s
}
func quadVertices(width, height int, sx0, sy0, sx1, sy1 int, geo *affine.GeoM) []float32 {
func QuadVertices(width, height int, sx0, sy0, sx1, sy1 int, geo *affine.GeoM) []float32 {
if sx0 >= sx1 || sy0 >= sy1 {
return nil
}

15
internal/shareable/shareable.go
View File

@ -28,6 +28,10 @@ import (
"github.com/hajimehoshi/ebiten/internal/restorable"
)
var (
quadIndices = []uint16{0, 1, 2, 1, 2, 3}
)
type backend struct {
restorable *restorable.Image
@ -62,7 +66,8 @@ func (b *backend) TryAlloc(width, height int) (*packing.Node, bool) {
newImg := restorable.NewImage(s, s, false)
oldImg := b.restorable
w, h := oldImg.Size()
newImg.DrawImage(oldImg, 0, 0, w, h, nil, nil, opengl.CompositeModeCopy, graphics.FilterNearest)
vs := restorable.QuadVertices(w, h, 0, 0, w, h, nil)
newImg.DrawImage(oldImg, vs, quadIndices, nil, opengl.CompositeModeCopy, graphics.FilterNearest)
oldImg.Dispose()
b.restorable = newImg
@ -104,7 +109,9 @@ func (i *Image) ensureNotShared() {
x, y, w, h := i.region()
newImg := restorable.NewImage(w, h, false)
newImg.DrawImage(i.backend.restorable, x, y, x+w, y+h, nil, nil, opengl.CompositeModeCopy, graphics.FilterNearest)
vw, vh := i.backend.restorable.Size()
vs := restorable.QuadVertices(vw, vh, x, y, x+w, y+h, nil)
newImg.DrawImage(i.backend.restorable, vs, quadIndices, nil, opengl.CompositeModeCopy, graphics.FilterNearest)
i.dispose(false)
i.backend = &backend{
@ -154,7 +161,9 @@ func (i *Image) DrawImage(img *Image, sx0, sy0, sx1, sy1 int, geom *affine.GeoM,
sy0 += dy
sx1 += dx
sy1 += dy
i.backend.restorable.DrawImage(img.backend.restorable, sx0, sy0, sx1, sy1, geom, colorm, mode, filter)
w, h := img.backend.restorable.Size()
vs := restorable.QuadVertices(w, h, sx0, sy0, sx1, sy1, geom)
i.backend.restorable.DrawImage(img.backend.restorable, vs, quadIndices, colorm, mode, filter)
}
func (i *Image) ReplacePixels(p []byte) {