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internal/atlas: refactoring

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This commit is contained in:
Hajime Hoshi 2022-08-02 00:28:16 +09:00
parent 3d034610a9
commit 764ec8c794
4 changed files with 41 additions and 38 deletions
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19
internal/atlas/image.go
View File

@ -572,29 +572,32 @@ func (i *Image) replacePixels(pix []byte, x, y, width, height int) {
i.backend.restorable.ReplacePixels(pixb, x, y, pw, ph)
}
func (img *Image) Pixels(graphicsDriver graphicsdriver.Graphics) ([]byte, error) {
func (img *Image) ReadPixels(graphicsDriver graphicsdriver.Graphics, pixels []byte) error {
backendsM.Lock()
defer backendsM.Unlock()
x := img.paddingSize()
y := img.paddingSize()
bs := make([]byte, 4*img.width*img.height)
if got, want := len(pixels), 4*img.width*img.height; got != want {
return fmt.Errorf("atlas: len(pixels) must be %d but %d", want, got)
}
idx := 0
for j := y; j < y+img.height; j++ {
for i := x; i < x+img.width; i++ {
r, g, b, a, err := img.at(graphicsDriver, i, j)
if err != nil {
return nil, err
return err
}
bs[4*idx] = r
bs[4*idx+1] = g
bs[4*idx+2] = b
bs[4*idx+3] = a
pixels[4*idx] = r
pixels[4*idx+1] = g
pixels[4*idx+2] = b
pixels[4*idx+3] = a
idx++
}
}
return bs, nil
return nil
}
func (i *Image) at(graphicsDriver graphicsdriver.Graphics, x, y int) (byte, byte, byte, byte, error) {

36
internal/atlas/image_test.go
View File

@ -125,8 +125,8 @@ func TestEnsureIsolated(t *testing.T) {
t.Errorf("got: %v, want: %v", got, want)
}
pix, err := img4.Pixels(ui.GraphicsDriverForTesting())
if err != nil {
pix = make([]byte, 4*size*size)
if err := img4.ReadPixels(ui.GraphicsDriverForTesting(), pix); err != nil {
t.Fatal(err)
}
for j := 0; j < size; j++ {
@ -217,8 +217,8 @@ func TestReputOnAtlas(t *testing.T) {
t.Fatal(err)
}
pix, err := img1.Pixels(ui.GraphicsDriverForTesting())
if err != nil {
pix = make([]byte, 4*size*size)
if err := img1.ReadPixels(ui.GraphicsDriverForTesting(), pix); err != nil {
t.Fatal(err)
}
for j := 0; j < size; j++ {
@ -241,8 +241,8 @@ func TestReputOnAtlas(t *testing.T) {
t.Errorf("got: %v, want: %v", got, want)
}
pix, err = img1.Pixels(ui.GraphicsDriverForTesting())
if err != nil {
pix = make([]byte, 4*size*size)
if err := img1.ReadPixels(ui.GraphicsDriverForTesting(), pix); err != nil {
t.Fatal(err)
}
for j := 0; j < size; j++ {
@ -329,8 +329,8 @@ func TestExtend(t *testing.T) {
// Ensure to allocate
img1.ReplacePixels(p1, 0, 0, w1, h1)
pix0, err := img0.Pixels(ui.GraphicsDriverForTesting())
if err != nil {
pix0 := make([]byte, 4*w0*h0)
if err := img0.ReadPixels(ui.GraphicsDriverForTesting(), pix0); err != nil {
t.Fatal(err)
}
for j := 0; j < h0; j++ {
@ -348,8 +348,8 @@ func TestExtend(t *testing.T) {
}
}
pix1, err := img1.Pixels(ui.GraphicsDriverForTesting())
if err != nil {
pix1 := make([]byte, 4*w1*h1)
if err := img1.ReadPixels(ui.GraphicsDriverForTesting(), pix1); err != nil {
t.Fatal(err)
}
for j := 0; j < h1; j++ {
@ -395,8 +395,8 @@ func TestReplacePixelsAfterDrawTriangles(t *testing.T) {
dst.DrawTriangles([graphics.ShaderImageCount]*atlas.Image{src}, vs, is, affine.ColorMIdentity{}, graphicsdriver.CompositeModeCopy, graphicsdriver.FilterNearest, graphicsdriver.AddressUnsafe, dr, graphicsdriver.Region{}, [graphics.ShaderImageCount - 1][2]float32{}, nil, nil, false)
dst.ReplacePixels(pix, 0, 0, w, h)
pix, err := dst.Pixels(ui.GraphicsDriverForTesting())
if err != nil {
pix = make([]byte, 4*w*h)
if err := dst.ReadPixels(ui.GraphicsDriverForTesting(), pix); err != nil {
t.Fatal(err)
}
for j := 0; j < h; j++ {
@ -442,8 +442,8 @@ func TestSmallImages(t *testing.T) {
}
dst.DrawTriangles([graphics.ShaderImageCount]*atlas.Image{src}, vs, is, affine.ColorMIdentity{}, graphicsdriver.CompositeModeSourceOver, graphicsdriver.FilterNearest, graphicsdriver.AddressUnsafe, dr, graphicsdriver.Region{}, [graphics.ShaderImageCount - 1][2]float32{}, nil, nil, false)
pix, err := dst.Pixels(ui.GraphicsDriverForTesting())
if err != nil {
pix = make([]byte, 4*w*h)
if err := dst.ReadPixels(ui.GraphicsDriverForTesting(), pix); err != nil {
t.Fatal(err)
}
for j := 0; j < h; j++ {
@ -490,8 +490,8 @@ func TestLongImages(t *testing.T) {
}
dst.DrawTriangles([graphics.ShaderImageCount]*atlas.Image{src}, vs, is, affine.ColorMIdentity{}, graphicsdriver.CompositeModeSourceOver, graphicsdriver.FilterNearest, graphicsdriver.AddressUnsafe, dr, graphicsdriver.Region{}, [graphics.ShaderImageCount - 1][2]float32{}, nil, nil, false)
pix, err := dst.Pixels(ui.GraphicsDriverForTesting())
if err != nil {
pix = make([]byte, 4*dstW*dstH)
if err := dst.ReadPixels(ui.GraphicsDriverForTesting(), pix); err != nil {
t.Fatal(err)
}
for j := 0; j < h; j++ {
@ -717,8 +717,8 @@ func TestImageReplacePixelsModify(t *testing.T) {
}
// Check the pixels are the original ones.
pix, err := img.Pixels(ui.GraphicsDriverForTesting())
if err != nil {
pix = make([]byte, 4*size*size)
if err := img.ReadPixels(ui.GraphicsDriverForTesting(), pix); err != nil {
t.Fatal(err)
}
for j := 0; j < size; j++ {

8
internal/atlas/shader_test.go
View File

@ -48,8 +48,8 @@ func TestShaderFillTwice(t *testing.T) {
s1 := atlas.NewShader(etesting.ShaderProgramFill(0x80, 0x80, 0x80, 0xff))
dst.DrawTriangles([graphics.ShaderImageCount]*atlas.Image{}, vs, is, affine.ColorMIdentity{}, graphicsdriver.CompositeModeCopy, graphicsdriver.FilterNearest, graphicsdriver.AddressUnsafe, dr, graphicsdriver.Region{}, [graphics.ShaderImageCount - 1][2]float32{}, s1, nil, false)
pix, err := dst.Pixels(g)
if err != nil {
pix := make([]byte, 4*w*h)
if err := dst.ReadPixels(g, pix); err != nil {
t.Error(err)
}
if got, want := (color.RGBA{pix[0], pix[1], pix[2], pix[3]}), (color.RGBA{0x80, 0x80, 0x80, 0xff}); got != want {
@ -80,8 +80,8 @@ func TestImageDrawTwice(t *testing.T) {
vs = quadVertices(w, h, 0, 0, 1)
dst.DrawTriangles([graphics.ShaderImageCount]*atlas.Image{src1}, vs, is, affine.ColorMIdentity{}, graphicsdriver.CompositeModeCopy, graphicsdriver.FilterNearest, graphicsdriver.AddressUnsafe, dr, graphicsdriver.Region{}, [graphics.ShaderImageCount - 1][2]float32{}, nil, nil, false)
pix, err := dst.Pixels(ui.GraphicsDriverForTesting())
if err != nil {
pix := make([]byte, 4*w*h)
if err := dst.ReadPixels(ui.GraphicsDriverForTesting(), pix); err != nil {
t.Error(err)
}
if got, want := (color.RGBA{pix[0], pix[1], pix[2], pix[3]}), (color.RGBA{0x80, 0x80, 0x80, 0xff}); got != want {

16
internal/buffered/image.go
View File

@ -80,20 +80,20 @@ func (i *Image) MarkDisposed() {
i.img.MarkDisposed()
}
func (img *Image) At(graphicsDriver graphicsdriver.Graphics, x, y int) (r, g, b, a byte, err error) {
func (i *Image) At(graphicsDriver graphicsdriver.Graphics, x, y int) (r, g, b, a byte, err error) {
checkDelayedCommandsFlushed("At")
idx := (y*img.width + x)
if img.pixels != nil {
return img.pixels[4*idx], img.pixels[4*idx+1], img.pixels[4*idx+2], img.pixels[4*idx+3], nil
idx := (y*i.width + x)
if i.pixels != nil {
return i.pixels[4*idx], i.pixels[4*idx+1], i.pixels[4*idx+2], i.pixels[4*idx+3], nil
}
pix, err := img.img.Pixels(graphicsDriver)
if err != nil {
pix := make([]byte, 4*i.width*i.height)
if err := i.img.ReadPixels(graphicsDriver, pix); err != nil {
return 0, 0, 0, 0, err
}
img.pixels = pix
return img.pixels[4*idx], img.pixels[4*idx+1], img.pixels[4*idx+2], img.pixels[4*idx+3], nil
i.pixels = pix
return i.pixels[4*idx], i.pixels[4*idx+1], i.pixels[4*idx+2], i.pixels[4*idx+3], nil
}
func (i *Image) DumpScreenshot(graphicsDriver graphicsdriver.Graphics, name string, blackbg bool) error {