mirror of
https://github.com/hajimehoshi/ebiten.git
synced 2024-11-10 13:07:26 +01:00
1cf4f30541
This reverts commit fb641d88cd.
Reason: When restoring the image where ReplacePixels is called,
dummyImage might not be restored since there is no record of
relationships between this image and dummyImage. Now pixels is not
nil when reverting by chance, but this would cause problems in the
future.
573 lines
14 KiB
Go
573 lines
14 KiB
Go
// Copyright 2017 The Ebiten Authors
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package restorable_test
|
|
|
|
import (
|
|
"errors"
|
|
"image"
|
|
"image/color"
|
|
"os"
|
|
"testing"
|
|
|
|
"github.com/hajimehoshi/ebiten"
|
|
"github.com/hajimehoshi/ebiten/internal/affine"
|
|
"github.com/hajimehoshi/ebiten/internal/graphics"
|
|
"github.com/hajimehoshi/ebiten/internal/opengl"
|
|
. "github.com/hajimehoshi/ebiten/internal/restorable"
|
|
"github.com/hajimehoshi/ebiten/internal/testflock"
|
|
)
|
|
|
|
func TestMain(m *testing.M) {
|
|
testflock.Lock()
|
|
defer testflock.Unlock()
|
|
|
|
EnableRestoringForTesting()
|
|
code := 0
|
|
regularTermination := errors.New("regular termination")
|
|
f := func(screen *ebiten.Image) error {
|
|
code = m.Run()
|
|
return regularTermination
|
|
}
|
|
if err := ebiten.Run(f, 320, 240, 1, "Test"); err != nil && err != regularTermination {
|
|
panic(err)
|
|
}
|
|
os.Exit(code)
|
|
}
|
|
|
|
func byteSliceToColor(b []byte, index int) color.RGBA {
|
|
i := index * 4
|
|
return color.RGBA{b[i], b[i+1], b[i+2], b[i+3]}
|
|
}
|
|
|
|
func abs(x int) int {
|
|
if x < 0 {
|
|
return -x
|
|
}
|
|
return x
|
|
}
|
|
|
|
// sameColors compares c1 and c2 and returns a boolean value indicating
|
|
// if the two colors are (almost) same.
|
|
//
|
|
// Pixels read from GPU might include errors (#492), and
|
|
// sameColors considers such errors as delta.
|
|
func sameColors(c1, c2 color.RGBA, delta int) bool {
|
|
return abs(int(c1.R)-int(c2.R)) <= delta &&
|
|
abs(int(c1.G)-int(c2.G)) <= delta &&
|
|
abs(int(c1.B)-int(c2.B)) <= delta &&
|
|
abs(int(c1.A)-int(c2.A)) <= delta
|
|
}
|
|
|
|
func fill(img *Image, r, g, b, a uint8) {
|
|
w, h := img.Size()
|
|
pix := make([]uint8, w*h*4)
|
|
for i := 0; i < w*h; i++ {
|
|
pix[4*i] = r
|
|
pix[4*i+1] = g
|
|
pix[4*i+2] = b
|
|
pix[4*i+3] = a
|
|
}
|
|
img.ReplacePixels(pix, 0, 0, w, h)
|
|
}
|
|
|
|
func TestRestore(t *testing.T) {
|
|
img0 := NewImage(1, 1, false)
|
|
defer img0.Dispose()
|
|
|
|
clr0 := color.RGBA{0x00, 0x00, 0x00, 0xff}
|
|
fill(img0, clr0.R, clr0.G, clr0.B, clr0.A)
|
|
if err := ResolveStaleImages(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if err := Restore(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
want := clr0
|
|
got := byteSliceToColor(img0.BasePixelsForTesting(), 0)
|
|
if !sameColors(got, want, 1) {
|
|
t.Errorf("got %v, want %v", got, want)
|
|
}
|
|
}
|
|
|
|
func TestRestoreChain(t *testing.T) {
|
|
const num = 10
|
|
imgs := []*Image{}
|
|
for i := 0; i < num; i++ {
|
|
img := NewImage(1, 1, false)
|
|
fill(img, 0, 0, 0, 0)
|
|
imgs = append(imgs, img)
|
|
}
|
|
defer func() {
|
|
for _, img := range imgs {
|
|
img.Dispose()
|
|
}
|
|
}()
|
|
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)
|
|
}
|
|
if err := ResolveStaleImages(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if err := Restore(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
want := clr
|
|
for i, img := range imgs {
|
|
got := byteSliceToColor(img.BasePixelsForTesting(), 0)
|
|
if !sameColors(got, want, 1) {
|
|
t.Errorf("%d: got %v, want %v", i, got, want)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestRestoreChain2(t *testing.T) {
|
|
const num = 10
|
|
imgs := []*Image{}
|
|
for i := 0; i < num; i++ {
|
|
img := NewImage(1, 1, false)
|
|
fill(img, 0, 0, 0, 0)
|
|
imgs = append(imgs, img)
|
|
}
|
|
defer func() {
|
|
for _, img := range imgs {
|
|
img.Dispose()
|
|
}
|
|
}()
|
|
|
|
clr0 := color.RGBA{0xff, 0x00, 0x00, 0xff}
|
|
fill(imgs[0], clr0.R, clr0.G, clr0.B, clr0.A)
|
|
clr7 := color.RGBA{0x00, 0xff, 0x00, 0xff}
|
|
fill(imgs[7], clr7.R, clr7.G, clr7.B, clr7.A)
|
|
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)
|
|
for i := 0; i < 7; i++ {
|
|
imgs[i+1].DrawImage(imgs[i], 0, 0, 1, 1, nil, nil, opengl.CompositeModeCopy, graphics.FilterNearest)
|
|
}
|
|
|
|
if err := ResolveStaleImages(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if err := Restore(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
for i, img := range imgs {
|
|
want := clr0
|
|
if i == 8 || i == 9 {
|
|
want = clr7
|
|
}
|
|
got := byteSliceToColor(img.BasePixelsForTesting(), 0)
|
|
if !sameColors(got, want, 1) {
|
|
t.Errorf("%d: got %v, want %v", i, got, want)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestRestoreOverrideSource(t *testing.T) {
|
|
img0 := NewImage(1, 1, false)
|
|
fill(img0, 0, 0, 0, 0)
|
|
img1 := NewImage(1, 1, false)
|
|
fill(img1, 0, 0, 0, 0)
|
|
img2 := NewImage(1, 1, false)
|
|
fill(img2, 0, 0, 0, 0)
|
|
img3 := NewImage(1, 1, false)
|
|
fill(img3, 0, 0, 0, 0)
|
|
defer func() {
|
|
img3.Dispose()
|
|
img2.Dispose()
|
|
img1.Dispose()
|
|
img0.Dispose()
|
|
}()
|
|
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)
|
|
fill(img0, clr1.R, clr1.G, clr1.B, clr1.A)
|
|
img1.DrawImage(img0, 0, 0, 1, 1, nil, nil, opengl.CompositeModeSourceOver, graphics.FilterNearest)
|
|
if err := ResolveStaleImages(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if err := Restore(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
testCases := []struct {
|
|
name string
|
|
want color.RGBA
|
|
got color.RGBA
|
|
}{
|
|
{
|
|
"0",
|
|
clr1,
|
|
byteSliceToColor(img0.BasePixelsForTesting(), 0),
|
|
},
|
|
{
|
|
"1",
|
|
clr1,
|
|
byteSliceToColor(img1.BasePixelsForTesting(), 0),
|
|
},
|
|
{
|
|
"2",
|
|
clr0,
|
|
byteSliceToColor(img2.BasePixelsForTesting(), 0),
|
|
},
|
|
{
|
|
"3",
|
|
clr0,
|
|
byteSliceToColor(img3.BasePixelsForTesting(), 0),
|
|
},
|
|
}
|
|
for _, c := range testCases {
|
|
if !sameColors(c.got, c.want, 1) {
|
|
t.Errorf("%s: got %v, want %v", c.name, c.got, c.want)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestRestoreComplexGraph(t *testing.T) {
|
|
// 0 -> 3
|
|
// 1 -> 3
|
|
// 1 -> 4
|
|
// 2 -> 4
|
|
// 2 -> 7
|
|
// 3 -> 5
|
|
// 3 -> 6
|
|
// 3 -> 7
|
|
// 4 -> 6
|
|
base := image.NewRGBA(image.Rect(0, 0, 4, 1))
|
|
base.Pix[0] = 0xff
|
|
base.Pix[1] = 0xff
|
|
base.Pix[2] = 0xff
|
|
base.Pix[3] = 0xff
|
|
img0 := newImageFromImage(base)
|
|
img1 := newImageFromImage(base)
|
|
img2 := newImageFromImage(base)
|
|
img3 := NewImage(4, 1, false)
|
|
fill(img3, 0, 0, 0, 0)
|
|
img4 := NewImage(4, 1, false)
|
|
fill(img4, 0, 0, 0, 0)
|
|
img5 := NewImage(4, 1, false)
|
|
fill(img5, 0, 0, 0, 0)
|
|
img6 := NewImage(4, 1, false)
|
|
fill(img6, 0, 0, 0, 0)
|
|
img7 := NewImage(4, 1, false)
|
|
fill(img7, 0, 0, 0, 0)
|
|
defer func() {
|
|
img7.Dispose()
|
|
img6.Dispose()
|
|
img5.Dispose()
|
|
img4.Dispose()
|
|
img3.Dispose()
|
|
img2.Dispose()
|
|
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)
|
|
if err := ResolveStaleImages(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if err := Restore(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
testCases := []struct {
|
|
name string
|
|
out string
|
|
image *Image
|
|
}{
|
|
{
|
|
"0",
|
|
"*---",
|
|
img0,
|
|
},
|
|
{
|
|
"1",
|
|
"*---",
|
|
img1,
|
|
},
|
|
{
|
|
"2",
|
|
"*---",
|
|
img2,
|
|
},
|
|
{
|
|
"3",
|
|
"**--",
|
|
img3,
|
|
},
|
|
{
|
|
"4",
|
|
"-**-",
|
|
img4,
|
|
},
|
|
{
|
|
"5",
|
|
"**--",
|
|
img5,
|
|
},
|
|
{
|
|
"6",
|
|
"****",
|
|
img6,
|
|
},
|
|
{
|
|
"7",
|
|
"*-**",
|
|
img7,
|
|
},
|
|
}
|
|
for _, c := range testCases {
|
|
for i := 0; i < 4; i++ {
|
|
want := color.RGBA{}
|
|
if c.out[i] == '*' {
|
|
want = color.RGBA{0xff, 0xff, 0xff, 0xff}
|
|
}
|
|
got := byteSliceToColor(c.image.BasePixelsForTesting(), i)
|
|
if !sameColors(got, want, 1) {
|
|
t.Errorf("%s[%d]: got %v, want %v", c.name, i, got, want)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func newImageFromImage(rgba *image.RGBA) *Image {
|
|
s := rgba.Bounds().Size()
|
|
img := NewImage(s.X, s.Y, false)
|
|
img.ReplacePixels(rgba.Pix, 0, 0, s.X, s.Y)
|
|
return img
|
|
}
|
|
|
|
func TestRestoreRecursive(t *testing.T) {
|
|
base := image.NewRGBA(image.Rect(0, 0, 4, 1))
|
|
base.Pix[0] = 0xff
|
|
base.Pix[1] = 0xff
|
|
base.Pix[2] = 0xff
|
|
base.Pix[3] = 0xff
|
|
|
|
img0 := newImageFromImage(base)
|
|
img1 := NewImage(4, 1, 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)
|
|
if err := ResolveStaleImages(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if err := Restore(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
testCases := []struct {
|
|
name string
|
|
out string
|
|
image *Image
|
|
}{
|
|
{
|
|
"0",
|
|
"*-*-",
|
|
img0,
|
|
},
|
|
{
|
|
"1",
|
|
"-*--",
|
|
img1,
|
|
},
|
|
}
|
|
for _, c := range testCases {
|
|
for i := 0; i < 4; i++ {
|
|
want := color.RGBA{}
|
|
if c.out[i] == '*' {
|
|
want = color.RGBA{0xff, 0xff, 0xff, 0xff}
|
|
}
|
|
got := byteSliceToColor(c.image.BasePixelsForTesting(), i)
|
|
if !sameColors(got, want, 1) {
|
|
t.Errorf("%s[%d]: got %v, want %v", c.name, i, got, want)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestReplacePixels(t *testing.T) {
|
|
const (
|
|
w = 17
|
|
h = 31
|
|
)
|
|
|
|
img := NewImage(17, 31, false)
|
|
defer img.Dispose()
|
|
|
|
pix := make([]byte, 4*4*4)
|
|
for i := range pix {
|
|
pix[i] = 0xff
|
|
}
|
|
img.ReplacePixels(pix, 5, 7, 4, 4)
|
|
// Check the region (5, 7)-(9, 11). Outside state is indeterministic.
|
|
for j := 7; j < 11; j++ {
|
|
for i := 5; i < 9; i++ {
|
|
got, err := img.At(i, j)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
want := color.RGBA{0xff, 0xff, 0xff, 0xff}
|
|
if got != want {
|
|
t.Errorf("img.At(%d, %d): got: %v, want: %v", i, j, got, want)
|
|
}
|
|
}
|
|
}
|
|
if err := ResolveStaleImages(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if err := Restore(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
for j := 7; j < 11; j++ {
|
|
for i := 5; i < 9; i++ {
|
|
got, err := img.At(i, j)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
want := color.RGBA{0xff, 0xff, 0xff, 0xff}
|
|
if got != want {
|
|
t.Errorf("img.At(%d, %d): got: %v, want: %v", i, j, got, want)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestDrawImageAndReplacePixels(t *testing.T) {
|
|
base := image.NewRGBA(image.Rect(0, 0, 1, 1))
|
|
base.Pix[0] = 0xff
|
|
base.Pix[1] = 0xff
|
|
base.Pix[2] = 0xff
|
|
base.Pix[3] = 0xff
|
|
img0 := newImageFromImage(base)
|
|
defer img0.Dispose()
|
|
img1 := NewImage(2, 1, false)
|
|
defer img1.Dispose()
|
|
img1.DrawImage(img0, 0, 0, 1, 1, nil, nil, opengl.CompositeModeCopy, graphics.FilterNearest)
|
|
img1.ReplacePixels([]byte{0xff, 0xff, 0xff, 0xff}, 1, 0, 1, 1)
|
|
|
|
if err := ResolveStaleImages(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if err := Restore(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
got, err := img1.At(0, 0)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
want := color.RGBA{0xff, 0xff, 0xff, 0xff}
|
|
if !sameColors(got, want, 1) {
|
|
t.Errorf("got: %v, want: %v", got, want)
|
|
}
|
|
}
|
|
|
|
func TestDispose(t *testing.T) {
|
|
base0 := image.NewRGBA(image.Rect(0, 0, 1, 1))
|
|
img0 := newImageFromImage(base0)
|
|
defer img0.Dispose()
|
|
|
|
base1 := image.NewRGBA(image.Rect(0, 0, 1, 1))
|
|
img1 := newImageFromImage(base1)
|
|
|
|
base2 := image.NewRGBA(image.Rect(0, 0, 1, 1))
|
|
base2.Pix[0] = 0xff
|
|
base2.Pix[1] = 0xff
|
|
base2.Pix[2] = 0xff
|
|
base2.Pix[3] = 0xff
|
|
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)
|
|
img1.Dispose()
|
|
|
|
if err := ResolveStaleImages(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if err := Restore(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
got, err := img0.At(0, 0)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
want := color.RGBA{0xff, 0xff, 0xff, 0xff}
|
|
if !sameColors(got, want, 1) {
|
|
t.Errorf("got: %v, want: %v", got, want)
|
|
}
|
|
}
|
|
|
|
func TestDoubleResolve(t *testing.T) {
|
|
base0 := image.NewRGBA(image.Rect(0, 0, 2, 2))
|
|
img0 := newImageFromImage(base0)
|
|
|
|
base := image.NewRGBA(image.Rect(0, 0, 1, 1))
|
|
base.Pix[0] = 0xff
|
|
base.Pix[1] = 0x00
|
|
base.Pix[2] = 0x00
|
|
base.Pix[3] = 0xff
|
|
img1 := newImageFromImage(base)
|
|
|
|
img0.DrawImage(img1, 0, 0, 1, 1, nil, 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 {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
img0.ReplacePixels([]uint8{0x00, 0x00, 0xff, 0xff}, 1, 0, 1, 1)
|
|
if err := ResolveStaleImages(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
if err := Restore(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
wantImg := image.NewRGBA(image.Rect(0, 0, 2, 2))
|
|
wantImg.Set(0, 0, color.RGBA{0xff, 0x00, 0x00, 0xff})
|
|
wantImg.Set(1, 0, color.RGBA{0x00, 0x00, 0xff, 0xff})
|
|
wantImg.Set(1, 1, color.RGBA{0x00, 0xff, 0x00, 0xff})
|
|
for j := 0; j < 2; j++ {
|
|
for i := 0; i < 2; i++ {
|
|
got, err := img0.At(i, j)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
want := wantImg.At(i, j).(color.RGBA)
|
|
if !sameColors(got, want, 1) {
|
|
t.Errorf("got: %v, want: %v", got, want)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// TODO: How about volatile/screen images?
|