mirror of
https://github.com/hajimehoshi/ebiten.git
synced 2024-09-20 13:22:19 +02:00
b3bdf51905
Now grpahicscommand saves the error and shows the error after a while. This was good to simplify the API but was the cause to hide some issues. This change fixes all the errors to be returned immediately, and buffer this in the ebiten package instead. Fixes #971
885 lines
21 KiB
Go
885 lines
21 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/driver"
|
|
"github.com/hajimehoshi/ebiten/internal/graphics"
|
|
. "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 pixelsToColor(p *Pixels, i, j int) color.RGBA {
|
|
r, g, b, a := p.At(i, j)
|
|
return color.RGBA{r, g, b, a}
|
|
}
|
|
|
|
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 TestRestore(t *testing.T) {
|
|
img0 := NewImage(1, 1, false)
|
|
defer img0.Dispose()
|
|
|
|
clr0 := color.RGBA{0x00, 0x00, 0x00, 0xff}
|
|
img0.ReplacePixels([]byte{clr0.R, clr0.G, clr0.B, clr0.A}, 0, 0, 1, 1)
|
|
if err := ResolveStaleImages(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if err := RestoreIfNeeded(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
want := clr0
|
|
got := pixelsToColor(img0.BasePixelsForTesting(), 0, 0)
|
|
if !sameColors(got, want, 1) {
|
|
t.Errorf("got %v, want %v", got, want)
|
|
}
|
|
}
|
|
|
|
func TestRestoreWithoutDraw(t *testing.T) {
|
|
img0 := NewImage(1024, 1024, false)
|
|
defer img0.Dispose()
|
|
|
|
// If there is no drawing command on img0, img0 is cleared when restored.
|
|
|
|
if err := ResolveStaleImages(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if err := RestoreIfNeeded(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
for j := 0; j < 1024; j++ {
|
|
for i := 0; i < 1024; i++ {
|
|
want := color.RGBA{0x00, 0x00, 0x00, 0x00}
|
|
got := pixelsToColor(img0.BasePixelsForTesting(), i, j)
|
|
if !sameColors(got, want, 0) {
|
|
t.Errorf("got %v, want %v", got, want)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func quadVertices(sw, sh, x, y int) []float32 {
|
|
dx0 := float32(x)
|
|
dy0 := float32(y)
|
|
dx1 := float32(x + sw)
|
|
dy1 := float32(y + sh)
|
|
sx0 := float32(0)
|
|
sy0 := float32(0)
|
|
sx1 := float32(sw)
|
|
sy1 := float32(sh)
|
|
return []float32{
|
|
dx0, dy0, sx0, sy0, sx0, sy0, sx1, sy1, 1, 1, 1, 1,
|
|
dx1, dy0, sx1, sy0, sx0, sy0, sx1, sy1, 1, 1, 1, 1,
|
|
dx0, dy1, sx0, sy1, sx0, sy0, sx1, sy1, 1, 1, 1, 1,
|
|
dx1, dy1, sx1, sy1, sx0, sy0, sx1, sy1, 1, 1, 1, 1,
|
|
}
|
|
}
|
|
|
|
func TestRestoreChain(t *testing.T) {
|
|
const num = 10
|
|
imgs := []*Image{}
|
|
for i := 0; i < num; i++ {
|
|
img := NewImage(1, 1, false)
|
|
imgs = append(imgs, img)
|
|
}
|
|
defer func() {
|
|
for _, img := range imgs {
|
|
img.Dispose()
|
|
}
|
|
}()
|
|
clr := color.RGBA{0x00, 0x00, 0x00, 0xff}
|
|
imgs[0].ReplacePixels([]byte{clr.R, clr.G, clr.B, clr.A}, 0, 0, 1, 1)
|
|
for i := 0; i < num-1; i++ {
|
|
vs := quadVertices(1, 1, 0, 0)
|
|
is := graphics.QuadIndices()
|
|
imgs[i+1].DrawTriangles(imgs[i], vs, is, nil, driver.CompositeModeCopy, driver.FilterNearest, driver.AddressClampToZero)
|
|
}
|
|
if err := ResolveStaleImages(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if err := RestoreIfNeeded(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
want := clr
|
|
for i, img := range imgs {
|
|
got := pixelsToColor(img.BasePixelsForTesting(), 0, 0)
|
|
if !sameColors(got, want, 1) {
|
|
t.Errorf("%d: got %v, want %v", i, got, want)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestRestoreChain2(t *testing.T) {
|
|
const (
|
|
num = 10
|
|
w = 1
|
|
h = 1
|
|
)
|
|
imgs := []*Image{}
|
|
for i := 0; i < num; i++ {
|
|
img := NewImage(w, h, false)
|
|
imgs = append(imgs, img)
|
|
}
|
|
defer func() {
|
|
for _, img := range imgs {
|
|
img.Dispose()
|
|
}
|
|
}()
|
|
|
|
clr0 := color.RGBA{0xff, 0x00, 0x00, 0xff}
|
|
imgs[0].ReplacePixels([]byte{clr0.R, clr0.G, clr0.B, clr0.A}, 0, 0, w, h)
|
|
clr7 := color.RGBA{0x00, 0xff, 0x00, 0xff}
|
|
imgs[7].ReplacePixels([]byte{clr7.R, clr7.G, clr7.B, clr7.A}, 0, 0, w, h)
|
|
clr8 := color.RGBA{0x00, 0x00, 0xff, 0xff}
|
|
imgs[8].ReplacePixels([]byte{clr8.R, clr8.G, clr8.B, clr8.A}, 0, 0, w, h)
|
|
|
|
is := graphics.QuadIndices()
|
|
imgs[8].DrawTriangles(imgs[7], quadVertices(w, h, 0, 0), is, nil, driver.CompositeModeCopy, driver.FilterNearest, driver.AddressClampToZero)
|
|
imgs[9].DrawTriangles(imgs[8], quadVertices(w, h, 0, 0), is, nil, driver.CompositeModeCopy, driver.FilterNearest, driver.AddressClampToZero)
|
|
for i := 0; i < 7; i++ {
|
|
imgs[i+1].DrawTriangles(imgs[i], quadVertices(w, h, 0, 0), is, nil, driver.CompositeModeCopy, driver.FilterNearest, driver.AddressClampToZero)
|
|
}
|
|
|
|
if err := ResolveStaleImages(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if err := RestoreIfNeeded(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
for i, img := range imgs {
|
|
want := clr0
|
|
if i == 8 || i == 9 {
|
|
want = clr7
|
|
}
|
|
got := pixelsToColor(img.BasePixelsForTesting(), 0, 0)
|
|
if !sameColors(got, want, 1) {
|
|
t.Errorf("%d: got %v, want %v", i, got, want)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestRestoreOverrideSource(t *testing.T) {
|
|
const (
|
|
w = 1
|
|
h = 1
|
|
)
|
|
img0 := NewImage(w, h, false)
|
|
img1 := NewImage(w, h, false)
|
|
img2 := NewImage(w, h, false)
|
|
img3 := NewImage(w, h, false)
|
|
defer func() {
|
|
img3.Dispose()
|
|
img2.Dispose()
|
|
img1.Dispose()
|
|
img0.Dispose()
|
|
}()
|
|
clr0 := color.RGBA{0x00, 0x00, 0x00, 0xff}
|
|
clr1 := color.RGBA{0x00, 0x00, 0x01, 0xff}
|
|
img1.ReplacePixels([]byte{clr0.R, clr0.G, clr0.B, clr0.A}, 0, 0, w, h)
|
|
is := graphics.QuadIndices()
|
|
img2.DrawTriangles(img1, quadVertices(w, h, 0, 0), is, nil, driver.CompositeModeSourceOver, driver.FilterNearest, driver.AddressClampToZero)
|
|
img3.DrawTriangles(img2, quadVertices(w, h, 0, 0), is, nil, driver.CompositeModeSourceOver, driver.FilterNearest, driver.AddressClampToZero)
|
|
img0.ReplacePixels([]byte{clr1.R, clr1.G, clr1.B, clr1.A}, 0, 0, w, h)
|
|
img1.DrawTriangles(img0, quadVertices(w, h, 0, 0), is, nil, driver.CompositeModeSourceOver, driver.FilterNearest, driver.AddressClampToZero)
|
|
if err := ResolveStaleImages(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if err := RestoreIfNeeded(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
testCases := []struct {
|
|
name string
|
|
want color.RGBA
|
|
got color.RGBA
|
|
}{
|
|
{
|
|
"0",
|
|
clr1,
|
|
pixelsToColor(img0.BasePixelsForTesting(), 0, 0),
|
|
},
|
|
{
|
|
"1",
|
|
clr1,
|
|
pixelsToColor(img1.BasePixelsForTesting(), 0, 0),
|
|
},
|
|
{
|
|
"2",
|
|
clr0,
|
|
pixelsToColor(img2.BasePixelsForTesting(), 0, 0),
|
|
},
|
|
{
|
|
"3",
|
|
clr0,
|
|
pixelsToColor(img3.BasePixelsForTesting(), 0, 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) {
|
|
const (
|
|
w = 4
|
|
h = 1
|
|
)
|
|
// 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, w, h))
|
|
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(w, h, false)
|
|
img4 := NewImage(w, h, false)
|
|
img5 := NewImage(w, h, false)
|
|
img6 := NewImage(w, h, false)
|
|
img7 := NewImage(w, h, false)
|
|
defer func() {
|
|
img7.Dispose()
|
|
img6.Dispose()
|
|
img5.Dispose()
|
|
img4.Dispose()
|
|
img3.Dispose()
|
|
img2.Dispose()
|
|
img1.Dispose()
|
|
img0.Dispose()
|
|
}()
|
|
vs := quadVertices(w, h, 0, 0)
|
|
is := graphics.QuadIndices()
|
|
img3.DrawTriangles(img0, vs, is, nil, driver.CompositeModeSourceOver, driver.FilterNearest, driver.AddressClampToZero)
|
|
vs = quadVertices(w, h, 1, 0)
|
|
img3.DrawTriangles(img1, vs, is, nil, driver.CompositeModeSourceOver, driver.FilterNearest, driver.AddressClampToZero)
|
|
vs = quadVertices(w, h, 1, 0)
|
|
img4.DrawTriangles(img1, vs, is, nil, driver.CompositeModeSourceOver, driver.FilterNearest, driver.AddressClampToZero)
|
|
vs = quadVertices(w, h, 2, 0)
|
|
img4.DrawTriangles(img2, vs, is, nil, driver.CompositeModeSourceOver, driver.FilterNearest, driver.AddressClampToZero)
|
|
vs = quadVertices(w, h, 0, 0)
|
|
img5.DrawTriangles(img3, vs, is, nil, driver.CompositeModeSourceOver, driver.FilterNearest, driver.AddressClampToZero)
|
|
vs = quadVertices(w, h, 0, 0)
|
|
img6.DrawTriangles(img3, vs, is, nil, driver.CompositeModeSourceOver, driver.FilterNearest, driver.AddressClampToZero)
|
|
vs = quadVertices(w, h, 1, 0)
|
|
img6.DrawTriangles(img4, vs, is, nil, driver.CompositeModeSourceOver, driver.FilterNearest, driver.AddressClampToZero)
|
|
vs = quadVertices(w, h, 0, 0)
|
|
img7.DrawTriangles(img2, vs, is, nil, driver.CompositeModeSourceOver, driver.FilterNearest, driver.AddressClampToZero)
|
|
vs = quadVertices(w, h, 2, 0)
|
|
img7.DrawTriangles(img3, vs, is, nil, driver.CompositeModeSourceOver, driver.FilterNearest, driver.AddressClampToZero)
|
|
if err := ResolveStaleImages(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if err := RestoreIfNeeded(); 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 := pixelsToColor(c.image.BasePixelsForTesting(), i, 0)
|
|
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) {
|
|
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(w, h, false)
|
|
defer func() {
|
|
img1.Dispose()
|
|
img0.Dispose()
|
|
}()
|
|
is := graphics.QuadIndices()
|
|
img1.DrawTriangles(img0, quadVertices(w, h, 1, 0), is, nil, driver.CompositeModeSourceOver, driver.FilterNearest, driver.AddressClampToZero)
|
|
img0.DrawTriangles(img1, quadVertices(w, h, 1, 0), is, nil, driver.CompositeModeSourceOver, driver.FilterNearest, driver.AddressClampToZero)
|
|
if err := ResolveStaleImages(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if err := RestoreIfNeeded(); 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 := pixelsToColor(c.image.BasePixelsForTesting(), i, 0)
|
|
if !sameColors(got, want, 1) {
|
|
t.Errorf("%s[%d]: got %v, want %v", c.name, i, got, want)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestReplacePixels(t *testing.T) {
|
|
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++ {
|
|
r, g, b, a, err := img.At(i, j)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
got := color.RGBA{r, g, b, a}
|
|
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 := RestoreIfNeeded(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
for j := 7; j < 11; j++ {
|
|
for i := 5; i < 9; i++ {
|
|
r, g, b, a, err := img.At(i, j)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
got := color.RGBA{r, g, b, a}
|
|
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 TestDrawTrianglesAndReplacePixels(t *testing.T) {
|
|
base := image.NewRGBA(image.Rect(0, 0, 1, 1))
|
|
base.Pix[0] = 0xff
|
|
base.Pix[1] = 0
|
|
base.Pix[2] = 0
|
|
base.Pix[3] = 0xff
|
|
img0 := newImageFromImage(base)
|
|
defer img0.Dispose()
|
|
img1 := NewImage(2, 1, false)
|
|
defer img1.Dispose()
|
|
|
|
vs := quadVertices(1, 1, 0, 0)
|
|
is := graphics.QuadIndices()
|
|
img1.DrawTriangles(img0, vs, is, nil, driver.CompositeModeCopy, driver.FilterNearest, driver.AddressClampToZero)
|
|
img1.ReplacePixels([]byte{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}, 0, 0, 2, 1)
|
|
|
|
if err := ResolveStaleImages(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if err := RestoreIfNeeded(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
r, g, b, a, err := img1.At(0, 0)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
got := color.RGBA{r, g, b, a}
|
|
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()
|
|
|
|
is := graphics.QuadIndices()
|
|
img1.DrawTriangles(img2, quadVertices(1, 1, 0, 0), is, nil, driver.CompositeModeCopy, driver.FilterNearest, driver.AddressClampToZero)
|
|
img0.DrawTriangles(img1, quadVertices(1, 1, 0, 0), is, nil, driver.CompositeModeCopy, driver.FilterNearest, driver.AddressClampToZero)
|
|
img1.Dispose()
|
|
|
|
if err := ResolveStaleImages(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if err := RestoreIfNeeded(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
r, g, b, a, err := img0.At(0, 0)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
got := color.RGBA{r, g, b, a}
|
|
want := color.RGBA{0xff, 0xff, 0xff, 0xff}
|
|
if !sameColors(got, want, 1) {
|
|
t.Errorf("got: %v, want: %v", got, want)
|
|
}
|
|
}
|
|
|
|
func TestReplacePixelsPart(t *testing.T) {
|
|
pix := make([]uint8, 4*2*2)
|
|
for i := range pix {
|
|
pix[i] = 0xff
|
|
}
|
|
|
|
img := NewImage(4, 4, false)
|
|
// This doesn't make the image stale. Its base pixels are available.
|
|
img.ReplacePixels(pix, 1, 1, 2, 2)
|
|
|
|
cases := []struct {
|
|
i int
|
|
j int
|
|
want color.RGBA
|
|
}{
|
|
{
|
|
i: 0,
|
|
j: 0,
|
|
want: color.RGBA{0, 0, 0, 0},
|
|
},
|
|
{
|
|
i: 3,
|
|
j: 0,
|
|
want: color.RGBA{0, 0, 0, 0},
|
|
},
|
|
{
|
|
i: 0,
|
|
j: 1,
|
|
want: color.RGBA{0, 0, 0, 0},
|
|
},
|
|
{
|
|
i: 1,
|
|
j: 1,
|
|
want: color.RGBA{0xff, 0xff, 0xff, 0xff},
|
|
},
|
|
{
|
|
i: 3,
|
|
j: 1,
|
|
want: color.RGBA{0, 0, 0, 0},
|
|
},
|
|
{
|
|
i: 0,
|
|
j: 2,
|
|
want: color.RGBA{0, 0, 0, 0},
|
|
},
|
|
{
|
|
i: 2,
|
|
j: 2,
|
|
want: color.RGBA{0xff, 0xff, 0xff, 0xff},
|
|
},
|
|
{
|
|
i: 3,
|
|
j: 2,
|
|
want: color.RGBA{0, 0, 0, 0},
|
|
},
|
|
{
|
|
i: 0,
|
|
j: 3,
|
|
want: color.RGBA{0, 0, 0, 0},
|
|
},
|
|
{
|
|
i: 3,
|
|
j: 3,
|
|
want: color.RGBA{0, 0, 0, 0},
|
|
},
|
|
}
|
|
for _, c := range cases {
|
|
got := pixelsToColor(img.BasePixelsForTesting(), c.i, c.j)
|
|
want := c.want
|
|
if got != want {
|
|
t.Errorf("base pixel (%d, %d): got %v, want %v", c.i, c.j, got, want)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestReplacePixelsOnly(t *testing.T) {
|
|
const w, h = 128, 128
|
|
img0 := NewImage(w, h, false)
|
|
defer img0.Dispose()
|
|
img1 := NewImage(1, 1, false)
|
|
defer img1.Dispose()
|
|
|
|
for i := 0; i < w*h; i += 5 {
|
|
img0.ReplacePixels([]byte{1, 2, 3, 4}, i%w, i/w, 1, 1)
|
|
}
|
|
|
|
vs := quadVertices(1, 1, 0, 0)
|
|
is := graphics.QuadIndices()
|
|
img1.DrawTriangles(img0, vs, is, nil, driver.CompositeModeCopy, driver.FilterNearest, driver.AddressClampToZero)
|
|
img0.ReplacePixels([]byte{5, 6, 7, 8}, 0, 0, 1, 1)
|
|
|
|
// BasePixelsForTesting is available without GPU accessing.
|
|
for j := 0; j < h; j++ {
|
|
for i := 0; i < w; i++ {
|
|
idx := j*w + i
|
|
var want color.RGBA
|
|
switch {
|
|
case idx == 0:
|
|
want = color.RGBA{5, 6, 7, 8}
|
|
case idx%5 == 0:
|
|
want = color.RGBA{1, 2, 3, 4}
|
|
}
|
|
got := pixelsToColor(img0.BasePixelsForTesting(), i, j)
|
|
if !sameColors(got, want, 0) {
|
|
t.Errorf("got %v, want %v", got, want)
|
|
}
|
|
}
|
|
}
|
|
|
|
if err := ResolveStaleImages(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if err := RestoreIfNeeded(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
want := color.RGBA{1, 2, 3, 4}
|
|
got := pixelsToColor(img1.BasePixelsForTesting(), 0, 0)
|
|
if !sameColors(got, want, 0) {
|
|
t.Errorf("got %v, want %v", got, want)
|
|
}
|
|
}
|
|
|
|
// TODO: How about volatile/screen images?
|
|
|
|
// Issue #793
|
|
func TestReadPixelsFromVolatileImage(t *testing.T) {
|
|
const w, h = 16, 16
|
|
dst := NewImage(w, h, true /* volatile */)
|
|
src := NewImage(w, h, false)
|
|
|
|
// First, make sure that dst has pixels
|
|
dst.ReplacePixels(make([]byte, 4*w*h), 0, 0, w, h)
|
|
|
|
// Second, draw src to dst. If the implementation is correct, dst becomes stale.
|
|
pix := make([]byte, 4*w*h)
|
|
for i := range pix {
|
|
pix[i] = 0xff
|
|
}
|
|
src.ReplacePixels(pix, 0, 0, w, h)
|
|
vs := quadVertices(1, 1, 0, 0)
|
|
is := graphics.QuadIndices()
|
|
dst.DrawTriangles(src, vs, is, nil, driver.CompositeModeCopy, driver.FilterNearest, driver.AddressClampToZero)
|
|
|
|
// Read the pixels. If the implementation is correct, dst tries to read its pixels from GPU due to being
|
|
// stale.
|
|
want := byte(0xff)
|
|
got, _, _, _, err := dst.At(0, 0)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if got != want {
|
|
t.Errorf("got: %v, want: %v", got, want)
|
|
}
|
|
}
|
|
|
|
func TestAllowReplacePixelsAfterDrawTriangles(t *testing.T) {
|
|
const w, h = 16, 16
|
|
src := NewImage(w, h, false)
|
|
dst := NewImage(w, h, false)
|
|
|
|
vs := quadVertices(w, h, 0, 0)
|
|
is := graphics.QuadIndices()
|
|
dst.DrawTriangles(src, vs, is, nil, driver.CompositeModeSourceOver, driver.FilterNearest, driver.AddressClampToZero)
|
|
dst.ReplacePixels(make([]byte, 4*w*h), 0, 0, w, h)
|
|
// ReplacePixels for a whole image doesn't panic.
|
|
}
|
|
|
|
func TestDisallowReplacePixelsForPartAfterDrawTriangles(t *testing.T) {
|
|
defer func() {
|
|
if r := recover(); r == nil {
|
|
t.Errorf("ReplacePixels for a part after DrawTriangles must panic but not")
|
|
}
|
|
}()
|
|
|
|
const w, h = 16, 16
|
|
src := NewImage(w, h, false)
|
|
dst := NewImage(w, h, false)
|
|
|
|
vs := quadVertices(w, h, 0, 0)
|
|
is := graphics.QuadIndices()
|
|
dst.DrawTriangles(src, vs, is, nil, driver.CompositeModeSourceOver, driver.FilterNearest, driver.AddressClampToZero)
|
|
dst.ReplacePixels(make([]byte, 4), 0, 0, 1, 1)
|
|
}
|
|
|
|
func TestExtend(t *testing.T) {
|
|
pixAt := func(i, j int) byte {
|
|
return byte(17*i + 13*j + 0x40)
|
|
}
|
|
|
|
const w, h = 16, 16
|
|
orig := NewImage(w, h, false)
|
|
pix := make([]byte, 4*w*h)
|
|
for j := 0; j < h; j++ {
|
|
for i := 0; i < w; i++ {
|
|
idx := j*w + i
|
|
v := pixAt(i, j)
|
|
pix[4*idx] = v
|
|
pix[4*idx+1] = v
|
|
pix[4*idx+2] = v
|
|
pix[4*idx+3] = v
|
|
}
|
|
}
|
|
|
|
orig.ReplacePixels(pix, 0, 0, w, h)
|
|
extended := orig.Extend(w*2, h*2) // After this, orig is already disposed.
|
|
|
|
for j := 0; j < h*2; j++ {
|
|
for i := 0; i < w*2; i++ {
|
|
got, _, _, _, err := extended.At(i, j)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
want := byte(0)
|
|
if i < w && j < h {
|
|
want = pixAt(i, j)
|
|
}
|
|
if got != want {
|
|
t.Errorf("extended.At(%d, %d): got: %v, want: %v", i, j, got, want)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestClearPixels(t *testing.T) {
|
|
const w, h = 16, 16
|
|
img := NewImage(w, h, false)
|
|
img.ReplacePixels(make([]byte, 4*4*4), 0, 0, 4, 4)
|
|
img.ReplacePixels(make([]byte, 4*4*4), 4, 0, 4, 4)
|
|
img.ClearPixels(0, 0, 4, 4)
|
|
img.ClearPixels(4, 0, 4, 4)
|
|
|
|
// After clearing, the regions will be available again.
|
|
img.ReplacePixels(make([]byte, 4*8*4), 0, 0, 8, 4)
|
|
}
|
|
|
|
func TestFill(t *testing.T) {
|
|
const w, h = 16, 16
|
|
img := NewImage(w, h, false)
|
|
img.Fill(color.RGBA{0xff, 0, 0, 0xff})
|
|
if err := ResolveStaleImages(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if err := RestoreIfNeeded(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
for j := 0; j < h; j++ {
|
|
for i := 0; i < w; i++ {
|
|
r, g, b, a, err := img.At(i, j)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
got := color.RGBA{r, g, b, a}
|
|
want := color.RGBA{0xff, 0, 0, 0xff}
|
|
if got != want {
|
|
t.Errorf("img.At(%d, %d): got: %v, want: %v", i, j, got, want)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestMutateSlices(t *testing.T) {
|
|
const w, h = 16, 16
|
|
dst := NewImage(w, h, false)
|
|
src := NewImage(w, h, false)
|
|
pix := make([]byte, 4*w*h)
|
|
for i := 0; i < w*h; i++ {
|
|
pix[4*i] = byte(i)
|
|
pix[4*i+1] = byte(i)
|
|
pix[4*i+2] = byte(i)
|
|
pix[4*i+3] = 0xff
|
|
}
|
|
src.ReplacePixels(pix, 0, 0, w, h)
|
|
|
|
vs := quadVertices(w, h, 0, 0)
|
|
is := make([]uint16, len(graphics.QuadIndices()))
|
|
copy(is, graphics.QuadIndices())
|
|
dst.DrawTriangles(src, vs, is, nil, driver.CompositeModeSourceOver, driver.FilterNearest, driver.AddressClampToZero)
|
|
for i := range vs {
|
|
vs[i] = 0
|
|
}
|
|
for i := range is {
|
|
is[i] = 0
|
|
}
|
|
if err := ResolveStaleImages(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if err := RestoreIfNeeded(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
for j := 0; j < h; j++ {
|
|
for i := 0; i < w; i++ {
|
|
r, g, b, a, err := src.At(i, j)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
want := color.RGBA{r, g, b, a}
|
|
r, g, b, a, err = dst.At(i, j)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
got := color.RGBA{r, g, b, a}
|
|
if !sameColors(got, want, 1) {
|
|
t.Errorf("(%d, %d): got %v, want %v", i, j, got, want)
|
|
}
|
|
}
|
|
}
|
|
}
|