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graphicsutil: Add QuadIndices

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This commit is contained in:
Hajime Hoshi 2018-07-21 03:40:37 +09:00
parent 2e7745044d
commit 5249afc06b
6 changed files with 50 additions and 48 deletions
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7
image.go
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@ -126,10 +126,6 @@ func (i *Image) fill(r, g, b, a uint8) {
_ = i.DrawImage(emptyImage, op)
}
var (
quadIndices = []uint16{0, 1, 2, 1, 2, 3}
)
// DrawImage draws the given image on the image i.
//
// DrawImage accepts the options. For details, see the document of DrawImageOptions.
@ -243,7 +239,8 @@ func (i *Image) DrawImage(img *Image, options *DrawImageOptions) error {
a, b, c, d, tx, ty := geom.elements()
vs := img.shareableImage.QuadVertices(sx0, sy0, sx1, sy1, a, b, c, d, tx, ty)
i.shareableImage.DrawImage(img.shareableImage, vs, quadIndices, options.ColorM.impl, mode, filter)
is := graphicsutil.QuadIndices()
i.shareableImage.DrawImage(img.shareableImage, vs, is, options.ColorM.impl, mode, filter)
return nil
}

8
internal/graphicsutil/vertices.go
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@ -111,3 +111,11 @@ func quadVerticesImpl(x, y, u0, v0, u1, v1, a, b, c, d, tx, ty float32) []float3
return vs
}
var (
quadIndices = []uint16{0, 1, 2, 1, 2, 3}
)
func QuadIndices() []uint16 {
return quadIndices
}

7
internal/restorable/image.go
View File

@ -132,10 +132,6 @@ func (i *Image) makeStale() {
// the former image can be restored from the latest state of the latter image.
}
var (
quadIndices = []uint16{0, 1, 2, 1, 2, 3}
)
// ReplacePixels replaces the image pixels with the given pixels slice.
//
// If pixels is nil, ReplacePixels clears the specified reagion.
@ -164,7 +160,8 @@ func (i *Image) ReplacePixels(pixels []byte, x, y, width, height int) {
vs := graphicsutil.QuadVertices(w, h, 0, 0, w, h,
float32(width)/float32(w), 0, 0, float32(height)/float32(h),
float32(x), float32(y))
i.image.DrawImage(dummyImage.image, vs, quadIndices, colorm, opengl.CompositeModeCopy, graphics.FilterNearest)
is := graphicsutil.QuadIndices()
i.image.DrawImage(dummyImage.image, vs, is, colorm, opengl.CompositeModeCopy, graphics.FilterNearest)
}
if x == 0 && y == 0 && width == w && height == h {

56
internal/restorable/images_test.go
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@ -99,10 +99,6 @@ func TestRestore(t *testing.T) {
}
}
var (
quadIndices = []uint16{0, 1, 2, 1, 2, 3}
)
func TestRestoreChain(t *testing.T) {
const num = 10
imgs := []*Image{}
@ -121,7 +117,8 @@ func TestRestoreChain(t *testing.T) {
for i := 0; i < num-1; i++ {
w, h := imgs[i].Size()
vs := graphicsutil.QuadVertices(w, h, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0)
imgs[i+1].DrawImage(imgs[i], vs, quadIndices, nil, opengl.CompositeModeCopy, graphics.FilterNearest)
is := graphicsutil.QuadIndices()
imgs[i+1].DrawImage(imgs[i], vs, is, nil, opengl.CompositeModeCopy, graphics.FilterNearest)
}
ResolveStaleImages()
if err := Restore(); err != nil {
@ -162,10 +159,11 @@ func TestRestoreChain2(t *testing.T) {
fill(imgs[8], clr8.R, clr8.G, clr8.B, clr8.A)
vs := graphicsutil.QuadVertices(w, h, 0, 0, w, h, 1, 0, 0, 1, 0, 0)
imgs[8].DrawImage(imgs[7], vs, quadIndices, nil, opengl.CompositeModeCopy, graphics.FilterNearest)
imgs[9].DrawImage(imgs[8], vs, quadIndices, nil, opengl.CompositeModeCopy, graphics.FilterNearest)
is := graphicsutil.QuadIndices()
imgs[8].DrawImage(imgs[7], vs, is, nil, opengl.CompositeModeCopy, graphics.FilterNearest)
imgs[9].DrawImage(imgs[8], vs, is, nil, opengl.CompositeModeCopy, graphics.FilterNearest)
for i := 0; i < 7; i++ {
imgs[i+1].DrawImage(imgs[i], vs, quadIndices, nil, opengl.CompositeModeCopy, graphics.FilterNearest)
imgs[i+1].DrawImage(imgs[i], vs, is, nil, opengl.CompositeModeCopy, graphics.FilterNearest)
}
ResolveStaleImages()
@ -207,10 +205,11 @@ func TestRestoreOverrideSource(t *testing.T) {
clr1 := color.RGBA{0x00, 0x00, 0x01, 0xff}
fill(img1, clr0.R, clr0.G, clr0.B, clr0.A)
vs := graphicsutil.QuadVertices(w, h, 0, 0, w, h, 1, 0, 0, 1, 0, 0)
img2.DrawImage(img1, vs, quadIndices, nil, opengl.CompositeModeSourceOver, graphics.FilterNearest)
img3.DrawImage(img2, vs, quadIndices, nil, opengl.CompositeModeSourceOver, graphics.FilterNearest)
is := graphicsutil.QuadIndices()
img2.DrawImage(img1, vs, is, nil, opengl.CompositeModeSourceOver, graphics.FilterNearest)
img3.DrawImage(img2, vs, is, nil, opengl.CompositeModeSourceOver, graphics.FilterNearest)
fill(img0, clr1.R, clr1.G, clr1.B, clr1.A)
img1.DrawImage(img0, vs, quadIndices, nil, opengl.CompositeModeSourceOver, graphics.FilterNearest)
img1.DrawImage(img0, vs, is, nil, opengl.CompositeModeSourceOver, graphics.FilterNearest)
ResolveStaleImages()
if err := Restore(); err != nil {
t.Fatal(err)
@ -291,23 +290,24 @@ func TestRestoreComplexGraph(t *testing.T) {
img0.Dispose()
}()
vs := graphicsutil.QuadVertices(w, h, 0, 0, w, h, 1, 0, 0, 1, 0, 0)
img3.DrawImage(img0, vs, quadIndices, nil, opengl.CompositeModeSourceOver, graphics.FilterNearest)
is := graphicsutil.QuadIndices()
img3.DrawImage(img0, vs, is, nil, opengl.CompositeModeSourceOver, graphics.FilterNearest)
vs = graphicsutil.QuadVertices(w, h, 0, 0, w, h, 1, 0, 0, 1, 1, 0)
img3.DrawImage(img1, vs, quadIndices, nil, opengl.CompositeModeSourceOver, graphics.FilterNearest)
img3.DrawImage(img1, vs, is, nil, opengl.CompositeModeSourceOver, graphics.FilterNearest)
vs = graphicsutil.QuadVertices(w, h, 0, 0, w, h, 1, 0, 0, 1, 1, 0)
img4.DrawImage(img1, vs, quadIndices, nil, opengl.CompositeModeSourceOver, graphics.FilterNearest)
img4.DrawImage(img1, vs, is, nil, opengl.CompositeModeSourceOver, graphics.FilterNearest)
vs = graphicsutil.QuadVertices(w, h, 0, 0, w, h, 1, 0, 0, 1, 2, 0)
img4.DrawImage(img2, vs, quadIndices, nil, opengl.CompositeModeSourceOver, graphics.FilterNearest)
img4.DrawImage(img2, vs, is, nil, opengl.CompositeModeSourceOver, graphics.FilterNearest)
vs = graphicsutil.QuadVertices(w, h, 0, 0, w, h, 1, 0, 0, 1, 0, 0)
img5.DrawImage(img3, vs, quadIndices, nil, opengl.CompositeModeSourceOver, graphics.FilterNearest)
img5.DrawImage(img3, vs, is, nil, opengl.CompositeModeSourceOver, graphics.FilterNearest)
vs = graphicsutil.QuadVertices(w, h, 0, 0, w, h, 1, 0, 0, 1, 0, 0)
img6.DrawImage(img3, vs, quadIndices, nil, opengl.CompositeModeSourceOver, graphics.FilterNearest)
img6.DrawImage(img3, vs, is, nil, opengl.CompositeModeSourceOver, graphics.FilterNearest)
vs = graphicsutil.QuadVertices(w, h, 0, 0, w, h, 1, 0, 0, 1, 1, 0)
img6.DrawImage(img4, vs, quadIndices, nil, opengl.CompositeModeSourceOver, graphics.FilterNearest)
img6.DrawImage(img4, vs, is, nil, opengl.CompositeModeSourceOver, graphics.FilterNearest)
vs = graphicsutil.QuadVertices(w, h, 0, 0, w, h, 1, 0, 0, 1, 0, 0)
img7.DrawImage(img2, vs, quadIndices, nil, opengl.CompositeModeSourceOver, graphics.FilterNearest)
img7.DrawImage(img2, vs, is, nil, opengl.CompositeModeSourceOver, graphics.FilterNearest)
vs = graphicsutil.QuadVertices(w, h, 0, 0, w, h, 1, 0, 0, 1, 2, 0)
img7.DrawImage(img3, vs, quadIndices, nil, opengl.CompositeModeSourceOver, graphics.FilterNearest)
img7.DrawImage(img3, vs, is, nil, opengl.CompositeModeSourceOver, graphics.FilterNearest)
ResolveStaleImages()
if err := Restore(); err != nil {
t.Fatal(err)
@ -398,8 +398,9 @@ func TestRestoreRecursive(t *testing.T) {
img0.Dispose()
}()
vs := graphicsutil.QuadVertices(w, h, 0, 0, w, h, 1, 0, 0, 1, 1, 0)
img1.DrawImage(img0, vs, quadIndices, nil, opengl.CompositeModeSourceOver, graphics.FilterNearest)
img0.DrawImage(img1, vs, quadIndices, nil, opengl.CompositeModeSourceOver, graphics.FilterNearest)
is := graphicsutil.QuadIndices()
img1.DrawImage(img0, vs, is, nil, opengl.CompositeModeSourceOver, graphics.FilterNearest)
img0.DrawImage(img1, vs, is, nil, opengl.CompositeModeSourceOver, graphics.FilterNearest)
ResolveStaleImages()
if err := Restore(); err != nil {
t.Fatal(err)
@ -485,7 +486,8 @@ func TestDrawImageAndReplacePixels(t *testing.T) {
defer img1.Dispose()
vs := graphicsutil.QuadVertices(1, 1, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0)
img1.DrawImage(img0, vs, quadIndices, nil, opengl.CompositeModeCopy, graphics.FilterNearest)
is := graphicsutil.QuadIndices()
img1.DrawImage(img0, vs, is, nil, opengl.CompositeModeCopy, graphics.FilterNearest)
img1.ReplacePixels([]byte{0xff, 0xff, 0xff, 0xff}, 1, 0, 1, 1)
ResolveStaleImages()
@ -516,8 +518,9 @@ func TestDispose(t *testing.T) {
defer img2.Dispose()
vs := graphicsutil.QuadVertices(1, 1, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0)
img1.DrawImage(img2, vs, quadIndices, nil, opengl.CompositeModeCopy, graphics.FilterNearest)
img0.DrawImage(img1, vs, quadIndices, nil, opengl.CompositeModeCopy, graphics.FilterNearest)
is := graphicsutil.QuadIndices()
img1.DrawImage(img2, vs, is, nil, opengl.CompositeModeCopy, graphics.FilterNearest)
img0.DrawImage(img1, vs, is, nil, opengl.CompositeModeCopy, graphics.FilterNearest)
img1.Dispose()
ResolveStaleImages()
@ -543,7 +546,8 @@ func TestDoubleResolve(t *testing.T) {
img1 := newImageFromImage(base)
vs := graphicsutil.QuadVertices(1, 1, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0)
img0.DrawImage(img1, vs, quadIndices, nil, opengl.CompositeModeCopy, graphics.FilterNearest)
is := graphicsutil.QuadIndices()
img0.DrawImage(img1, vs, is, nil, opengl.CompositeModeCopy, graphics.FilterNearest)
img0.ReplacePixels([]uint8{0x00, 0xff, 0x00, 0xff}, 1, 1, 1, 1)
// Now img0 is stale.
ResolveStaleImages()

10
internal/shareable/shareable.go
View File

@ -29,10 +29,6 @@ import (
"github.com/hajimehoshi/ebiten/internal/restorable"
)
var (
quadIndices = []uint16{0, 1, 2, 1, 2, 3}
)
type backend struct {
restorable *restorable.Image
@ -68,7 +64,8 @@ func (b *backend) TryAlloc(width, height int) (*packing.Node, bool) {
oldImg := b.restorable
w, h := oldImg.Size()
vs := graphicsutil.QuadVertices(w, h, 0, 0, w, h, 1, 0, 0, 1, 0, 0)
newImg.DrawImage(oldImg, vs, quadIndices, nil, opengl.CompositeModeCopy, graphics.FilterNearest)
is := graphicsutil.QuadIndices()
newImg.DrawImage(oldImg, vs, is, nil, opengl.CompositeModeCopy, graphics.FilterNearest)
oldImg.Dispose()
b.restorable = newImg
@ -115,7 +112,8 @@ func (i *Image) ensureNotShared() {
newImg := restorable.NewImage(w, h, false)
vw, vh := i.backend.restorable.Size()
vs := graphicsutil.QuadVertices(vw, vh, x, y, x+w, y+h, 1, 0, 0, 1, 0, 0)
newImg.DrawImage(i.backend.restorable, vs, quadIndices, nil, opengl.CompositeModeCopy, graphics.FilterNearest)
is := graphicsutil.QuadIndices()
newImg.DrawImage(i.backend.restorable, vs, is, nil, opengl.CompositeModeCopy, graphics.FilterNearest)
i.dispose(false)
i.backend = &backend{

10
internal/shareable/shareable_test.go
View File

@ -22,6 +22,7 @@ import (
"github.com/hajimehoshi/ebiten"
"github.com/hajimehoshi/ebiten/internal/graphics"
"github.com/hajimehoshi/ebiten/internal/graphicsutil"
"github.com/hajimehoshi/ebiten/internal/opengl"
. "github.com/hajimehoshi/ebiten/internal/shareable"
"github.com/hajimehoshi/ebiten/internal/testflock"
@ -45,10 +46,6 @@ func TestMain(m *testing.M) {
const bigSize = 2049
var (
quadIndices = []uint16{0, 1, 2, 1, 2, 3}
)
func TestEnsureNotShared(t *testing.T) {
// Create img1 and img2 with this size so that the next images are allocated
// with non-upper-left location.
@ -89,7 +86,8 @@ func TestEnsureNotShared(t *testing.T) {
)
// img4.ensureNotShared() should be called.
vs := img3.QuadVertices(0, 0, size/2, size/2, 1, 0, 0, 1, size/4, size/4)
img4.DrawImage(img3, vs, quadIndices, nil, opengl.CompositeModeCopy, graphics.FilterNearest)
is := graphicsutil.QuadIndices()
img4.DrawImage(img3, vs, is, nil, opengl.CompositeModeCopy, graphics.FilterNearest)
for j := 0; j < size; j++ {
for i := 0; i < size; i++ {
@ -107,5 +105,5 @@ func TestEnsureNotShared(t *testing.T) {
// Check further drawing doesn't cause panic.
// This bug was fixed by 03dcd948.
img4.DrawImage(img3, vs, quadIndices, nil, opengl.CompositeModeCopy, graphics.FilterNearest)
img4.DrawImage(img3, vs, is, nil, opengl.CompositeModeCopy, graphics.FilterNearest)
}