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internal/restorable: add color tests at TestAllowWritePixelsForPartAfterDrawTriangles

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Updates #2346
This commit is contained in:
Hajime Hoshi 2022-09-24 22:09:05 +09:00
parent 1703297f37
commit b2f3d39acf
1 changed files with 31 additions and 1 deletions
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32
internal/restorable/images_test.go
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@ -806,6 +806,12 @@ func TestAllowWritePixelsForPartAfterDrawTriangles(t *testing.T) {
src := restorable.NewImage(w, h, restorable.ImageTypeRegular)
dst := restorable.NewImage(w, h, restorable.ImageTypeRegular)
pix := make([]byte, 4*w*h)
for i := range pix {
pix[i] = 0xff
}
src.WritePixels(pix, 0, 0, w, h)
vs := quadVertices(src, w, h, 0, 0)
is := graphics.QuadIndices()
dr := graphicsdriver.Region{
@ -815,8 +821,32 @@ func TestAllowWritePixelsForPartAfterDrawTriangles(t *testing.T) {
Height: h,
}
dst.DrawTriangles([graphics.ShaderImageCount]*restorable.Image{src}, [graphics.ShaderImageCount - 1][2]float32{}, vs, is, affine.ColorMIdentity{}, graphicsdriver.CompositeModeSourceOver, graphicsdriver.FilterNearest, graphicsdriver.AddressUnsafe, dr, graphicsdriver.Region{}, nil, nil, false)
dst.WritePixels(make([]byte, 4), 0, 0, 1, 1)
dst.WritePixels(make([]byte, 4*2*2), 0, 0, 2, 2)
// WritePixels for a part of image doesn't panic.
if err := restorable.ResolveStaleImages(ui.GraphicsDriverForTesting()); err != nil {
t.Fatal(err)
}
if err := restorable.RestoreIfNeeded(ui.GraphicsDriverForTesting()); err != nil {
t.Fatal(err)
}
result := make([]byte, 4*w*h)
if err := dst.ReadPixels(ui.GraphicsDriverForTesting(), result, 0, 0, w, h); err != nil {
t.Fatal(err)
}
for j := 0; j < h; j++ {
for i := 0; i < w; i++ {
got := color.RGBA{result[4*(j*w+i)], result[4*(j*w+i)+1], result[4*(j*w+i)+2], result[4*(j*w+i)+3]}
var want color.RGBA
if i >= 2 || j >= 2 {
want = color.RGBA{0xff, 0xff, 0xff, 0xff}
}
if got != want {
t.Errorf("color at (%d, %d): got: %v, want: %v", i, j, got, want)
}
}
}
}
func TestExtend(t *testing.T) {